Compare the investment below to an investment of the same principal at the same rate compounded annually. ​principal: ​$7,000​, annual​ interest: 9​%, interest​ periods:4 ​, number of​ years:12 Question content area bottom Part 1 After 12 ​years, the investment compounded periodically will be worth ​$ enter your response here more than the investment compounded annually.

Answers

Answer 1

\(~~~~~~ \stackrel{\textit{\LARGE Quarterly}}{\textit{Compound Interest Earned Amount}} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$7000\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, thus four} \end{array}\dotfill &4\\ t=years\dotfill &12 \end{cases}\)

\(A = 7000\left(1+\frac{0.09}{4}\right)^{4\cdot 12} \implies A=7000(1.0225)^{48}\implies \boxed{A \approx 20367.48} \\\\[-0.35em] ~\dotfill\)

\(~~~~~~ \stackrel{\textit{\LARGE Annually}}{\textit{Compound Interest Earned Amount}} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$7000\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &12 \end{cases}\)

\(A = 7000\left(1+\frac{0.09}{1}\right)^{1\cdot 12}\implies A=7000(1.09)^{12} \implies \boxed{A \approx 19688.65} \\\\[-0.35em] ~\dotfill\\\\ 20367.48~~ - ~~19688.65 ~~ \approx ~~ \text{\LARGE 678.83}\)


Related Questions

Exercise 7 (1.5 Marks) Let a function f: R² → R³, - X = = (x₁, x₂)→ f(x) = (ln(x² + 3x2 + 1), e4x₁x2+³x², sin3x₁ + cos2x₂) Determine the dimension of df and compute the gradient of the given function. dx

Answers

Dimension of df The Jacobian matrix of a function is the matrix that comprises all of the first-order partial derivatives of the function.

For any function f: Rn → Rm, its Jacobian matrix is the m×n matrix with entries given by:

∂f₁/∂x₁ ∂f₁/∂x₂ · · · ∂f₁/∂x_n∂f₂/∂x₁ ∂f₂/∂x₂ · · · ∂f₂/∂x_n.∂f_m/∂x₁ ∂f_m/∂x₂ · · · ∂f_m/∂x_n.

In this problem,

n=2 and

m=3.

So,df

=  ∂f₁/∂x₁ ∂f₁/∂x₂∂f₂/∂x₁ ∂f₂/∂x₂∂f₃/∂x₁ ∂f₃/∂x₂.

Let's find out all the partial derivatives:

∂f₁/∂x₁ = (2x₁)/(x₁²+x₂²+1)∂f₁/∂x₂

= (2x₂)/(x₁²+x₂²+1)∂f₂/∂x₁

= 4x₂e^(4x₁x₂+³x₂)∂f₂/∂x₂

= 4x₁e^(4x₁x₂+³x₂)+3e^(4x₁x₂+³x₂)∂f₃/∂x₁

= 3cos3x₁∂f₃/∂x₂

= -2sin2x₂

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f(x1, x2) 421 +222 3x² +213 5x11² (√₁+√₂)² 10ln(₁) (x₁+x₂)(x² + x3) min(3r1, 10√2) max{5x1,2r2} MP1(x1, x₂) MP2(X1, X₂) TRS(x1, x₂) Output (2,4)

Answers

The given mathematical expression is evaluated for the input values (2, 4). The result of the expression is calculated using various operations such as addition, multiplication, square root, natural logarithm, minimum, maximum, and function composition.

The expression f(x1, x2) involves several mathematical operations. Let's evaluate each part of the expression step by step:

1. The first term is 421 + 222, which equals 643.

2. The second term is 3x² + 213. Plugging in x1 = 2 and x2 = 4, we get 3(2)² + 213 = 3(4) + 213 = 12 + 213 = 225.

3. The third term is 5x11². Substituting x1 = 2 and x2 = 4, we have 5(2)(11)² = 5(2)(121) = 1210.

4. The fourth term is (√₁+√₂)². Replacing x1 = 2 and x2 = 4, we obtain (√2 + √4)² = (1 + 2)² = 3² = 9.

5. The fifth term is 10ln(₁). Plugging in x1 = 2, we have 10ln(2) = 10 * 0.69314718 ≈ 6.9314718.

6. The sixth term is (x₁+x₂)(x² + x3). Substituting x1 = 2 and x2 = 4, we get (2 + 4)(2² + 4³) = 6(4 + 64) = 6(68) = 408.

7. The seventh term is min(3r1, 10√2). As we don't have the value of r1, we cannot determine the minimum between 3r1 and 10√2.

8. The eighth term is max{5x1,2r2}. Since we don't know the value of r2, we cannot find the maximum between 5x1 and 2r2.

9. Finally, we have MP1(x1, x2), MP2(X1, X2), and TRS(x1, x2), which are not defined or given.

Considering the given expression, the evaluated terms for the input values (2, 4) are as follows:

- 421 + 222 = 643

- 3x² + 213 = 225

- 5x11² = 1210

- (√₁+√₂)² = 9

- 10ln(₁) ≈ 6.9314718

- (x₁+x₂)(x² + x3) = 408

The terms involving min() and max() cannot be calculated without knowing the values of r1 and r2, respectively. Additionally, MP1(x1, x2), MP2(X1, X2), and TRS(x1, x2) are not defined.

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A distribution of probabilities for random outcomes of a bivariate or dichotomous random variable is called a Group of answer choices binomial probability distribution distribution of expected values random variable distribution mathematical expectation

Answers

A distribution of probabilities for random outcomes of bivariate or dichotomous random variables is called (A) binomial probability distribution.

What is a binomial probability distribution?The binomial distribution with parameters n and p in probability theory and statistics is the discrete probability distribution of the number of successes in a succession of n separate experiments, each asking a yes-no question and each with its own Boolean-valued outcome: success or failure.The binomial distribution is widely used to describe the number of successes in a sample of size n selected from a population of size N with replacement. If the sampling is done without replacement, the draws are not independent, and the resulting distribution is hypergeometric rather than binomial. Binomial probability distribution refers to a distribution of probabilities for random outcomes of bivariate or dichotomous random variables.

As the description itself says, binomial probability distribution refers to a distribution of probabilities for random outcomes of bivariate or dichotomous random variables.

Therefore, a distribution of probabilities for random outcomes of bivariate or dichotomous random variables is called (A) binomial probability distribution.

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Complete question:

A distribution of probabilities for random outcomes of bivariate or dichotomous random variables is called a ______.

Group of answer choices

(A) binomial probability distribution

(B) distribution of expected values

(C) random variable distribution

(D) mathematical expectation

Extra Credit:
Simplify the following completely:
3(x2-6x+1)+
3xy-5x+7y+3(x-y)-4(y-x)+82-6xy+ 5y-4x+22y-y2 + 4x² - 17x

Answers

Answer:

     7x² -3xy -y² -37x +27y +85

Step-by-step explanation:

You want to simplify 3(x² -6x +1) +3xy -5x +7y +3(x -y) -4(y -x) +82 -6xy +5y -4x +22y -y² +4x² -17x.

Simplifying an expression

A simplified expression has no parentheses, and like terms combined.

  3(x² -6x +1) +3xy -5x +7y +3(x -y) -4(y -x) +82 -6xy +5y -4x +22y -y² +4x² -17x . . . . . given

  3x² -18x +3 +3xy -5x +7y +3x -3y -4y +4x +82 -6xy +5y -4x +22y -y² +4x² -17x . . . . . eliminate parentheses

  (3 +4)x² +(3 -6)xy +(-1)y² +(-18 -5 +3 +4 -4 -17)x +(7 -3 -4 +5 +22)y +(3 +82) . . . . . group like terms

  7x² -3xy -y² -37x +27y +85

Simplify the following completely is \($$=7 x^2-37 x-y^2+27 y-3 x y+85$$\)

\($3\left(x^2-6 x+1\right)+3 x y-5 x+7 y+3(x-y)-4(y-x)+82-6 x y+5 y-4 x+22 y-y^2+4 x^2- 17x$\)

Group like terms

\(=3\left(x^2-6 x+1\right)+3(x-y)-4(y-x)+4 x^2+3 x y-6 x y-5 x-17 x-4 x-y^2+7 y+5 y+22 y+82$$\)

Add similar elements: \($3 x y-6 x y=-3 x y$\)

\($=3\left(x^2-6 x+1\right)+3(x-y)-4(y-x)+4 x^2-3 x y-5 x-17 x-4 x-y^2+7 y+5 y+22 y+82$\)

Add similar elements: \($-5 x-17 x-4 x=-26 x$\)

\($$=3\left(x^2-6 x+1\right)+3(x-y)-4(y-x)+4 x^2-3 x y-26 x-y^2+7 y+5 y+22 y+82$$\)

Add similar elements: \($7 y+5 y+22 y=34 y$\)

\($$=3\left(x^2-6 x+1\right)+3(x-y)-4(y-x)+4 x^2-3 x y-26 x-y^2+34 y+82$$\)

Add similar elements: \($7 y+5 y+22 y=34 y$\)

\($$=3\left(x^2-6 x+1\right)+3(x-y)-4(y-x)+4 x^2-3 x y-26 x-y^2+34 y+82$$\)

Expand \($3\left(x^2-6 x+1\right): \quad 3 x^2-18 x+3$\)

\($$=3 x^2-18 x+3+3(x-y)-4(y-x)+4 x^2-3 x y-26 x-y^2+34 y+82$$\)

Expand \($3(x-y): \quad 3 x-3 y$\)

\($$=3 x^2-18 x+3+3 x-3 y-4(y-x)+4 x^2-3 x y-26 x-y^2+34 y+82$$\)

Expand \($-4(y-x): \quad-4 y+4 x$\)

\($$=3 x^2-18 x+3+3 x-3 y-4 y+4 x+4 x^2-3 x y-26 x-y^2+34 y+82$$\)

Group like terms

\($$=3 x^2+4 x^2-18 x+3 x+4 x-26 x-y^2-3 y-4 y+34 y-3 x y+3+82$$\)

Add similar elements: \($3 x^2+4 x^2=7 x^2$\)

\($$=7 x^2-18 x+3 x+4 x-26 x-y^2-3 y-4 y+34 y-3 x y+3+82$$\)

Add similar elements: \($-18 x+3 x+4 x-26 x=-37 x$\)

\($$=7 x^2-37 x-y^2-3 y-4 y+34 y-3 x y+3+82$$\)

Add similar elements: \($-3 y-4 y+34 y=27 y$ $=7 x^2-37 x-y^2+27 y-3 x y+3+82$\)

Add the numbers: \($3+82=85$\)

\($$=7 x^2-37 x-y^2+27 y-3 x y+85$$\)

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Simplify the following expression: (−4)(−2)(−3) (1 point)

−24
−11
11
24

Answers

Answer:

\( - 24\)

Step-by-step explanation:

\(( - 4)( - 2)( - 3) \\ ( + 8)( - 3) \\ = - 24\)

I hope I helped you^_^

What is the factored form of this expression?
5p3 – 10p2 + 3p - 6
Write all factors in standard form.

Answers

you can factor by grouping the first two and last two terms together.

(5p^3-10p^2)+(3p-6)
Find GCF
5p^2(p-2)+2(p-2)
Group the terms that are the same together and the different ones together
(5p^2+2) and (p-2) is the answer

The required factorization of the expession 5p³ – 10p² + 3p - 6 is [5p² + 3 ] [p - 6].

An expression 5p3 – 10p2 + 3p - 6 is given, To factorize the expression 5p3 – 10p2 + 3p - 6.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

What is the factors?

factors can be defined by splitting the value into multipliable values.

Here,
= 5p³ – 10p² + 3p - 6
Factorization,
= 5p² [p - 10] + 3 [p - 6]
= [5p² + 3 ] [p - 6]

Thus, the required factorization of the expession 5p³ – 10p² + 3p - 6 is [5p² + 3 ] [p - 6].

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Consider a line process with 3 processing stages. The production requires each unit to go through Stage A through Stage C in sequence. The characteristics of the Stages are given below: Stage A B C Unit processing time(minutes) 1 2 3 Number of machines 1 1 2 Machine availability 90% 100% 100% Process yield at stage 100% 100% 100% Determine the system capacity. Which stage is the bottleneck? What is the utilization of Stage 3.

Answers

The system capacity is 2 units per minute, the bottleneck stage is Stage A, and the utilization of Stage 3 is 100%.

A line process has three processing stages with the characteristics given below:

Stage A B C Unit processing time(minutes) 1 2 3 Number of machines 1 1 2 Machine availability 90% 100% 100% Process yield at stage 100% 100% 100%

To determine the system capacity and the bottleneck stage and utilization of Stage 3:

The system capacity is calculated by the product of the processing capacity of each stage:

1 x 1 x 2 = 2 units per minute

The bottleneck stage is the stage with the lowest capacity and it is Stage A. Therefore, Stage A has the lowest capacity and determines the system capacity.The utilization of Stage 3 can be calculated as the processing time per unit divided by the available time per unit:

Process time per unit = 1 + 2 + 3 = 6 minutes per unit

Available time per unit = 90% x 100% x 100% = 0.9 x 1 x 1 = 0.9 minutes per unit

The utilization of Stage 3 is, therefore, (6/0.9) x 100% = 666.67%.

However, utilization cannot be greater than 100%, so the actual utilization of Stage 3 is 100%.

Hence, the system capacity is 2 units per minute, the bottleneck stage is Stage A, and the utilization of Stage 3 is 100%.

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A hotel has four elevators. One A hotel has four elevators. One of them isa freight elevator. When pressing thebutton, one of the elevators randomlyservices your floor. If you use theelevators seven times, what is theprobability that you use the freightelevator exactly four times?

Answers

SOLUTION

The probability that you use the freight elevator exactly four times is,

\(P=^7C_4(\frac{1}{4})^4(\frac{3}{4})^3\)

Simplify

\(\begin{gathered} P=\frac{7\times6\times5\times4\times3!}{(7-4)!4!}(\frac{1}{4})^4(\frac{3}{4})^3 \\ P=\frac{7\times6\times5\times4\times3!}{3!4!}(\frac{1}{4})^4(\frac{3}{4})^3=35(\frac{1}{4})^4(\frac{3}{4})^3=\frac{945}{16384} \end{gathered}\)

Hence, the answer is

\(\frac{945}{16384}\)

PLEASE HELP ME ITS URGENT MY GRADE NEEDS HELP! THIS IS MULTIPLE CHOICE QUESTION!

Which ordered pairs are solutions to the inequality 2x+3y≥−1?


Select each correct answer.

Responses


(0, −1)

begin ordered pair 5 comma negative 1 end ordered pair


(−2, 1)

begin ordered pair negative 2 comma 1 end ordered pair


(0, 1)

begin ordered pair 0 comma 1 end ordered pair


(−6, 0)

begin ordered pair negative 6 comma 0 end ordered pair


(2, −1)

Answers

Answer:

b, c, d, f

Step-by-step explanation:

Which ordered pairs are solutions to the inequality?

 2x+3y≥−1?

a≥b means that A must be equal to or greater than B.

Let's do this the long, but easy way, by plugging it in!

(x,y)

a. (0,-1) -> -3≥-1 -> false

b. (5,-1)-> 7≥-1 -> true

c. (-2,1) -> -1≥-1 -> true

d. (0,1) -> 3≥-1 -> true

e. (-6,0) -> -12≥-1 - > false

f. (2,-1) -> 1≥-1 -> true

Let me know if it is incorrect!

- a friendly 8th grader :)

You are given the steps for using a compass and straighten to get instruct a line perpendicular to the given line through a point not lying on the given line. Arrange the steps in the proper sequence

Answers

The order of the steps for the construction of a perpendicular line is 1, 2, 4 and 3.

Given,

The steps for using a compass and straighten to get instruct a line perpendicular to the given line through a point not lying on the given line.

We have to arrange the steps in proper sequence:

That is,

1. Place the compass needle on the external point R. Make the compass width greater than the distance from R to the given line.

2. Draw an arc cutting the given line at two points. Mark and label the points of intersection P and Q.

3. Move the compass needle to P and make an arc below the line. Keep the compass width, and move the compass needle to Q. Draw an arc below the line crossing the other arc. Mark and label the point of intersection S.

4. Draw a line from the external point R to the points where the arcs intersect, S. Line RS is perpendicular to line PQ and passes through the external point R

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45/7 is rational or irrational?

Answers

Answer:

It is rational as a rational number is a number written in a p/q form where p and q are integers and q is not equal to 0. Ex:45/7,5/1 and 5=5/1

Find the lateral surface area of the tissue

box.

4 in
7 in.
5 in.

Find the lateral surface area of the tissuebox.4 in7 in.5 in.

Answers

Answer:

should be 48. hope that helps

Write a function rule. Please Help!!!
A new book is being planned. It will have 24 pages of introduction. Then it will have "c" 12-page chapter and 48 more pages at the end. Write a rule that represents the total number of pages "p" in the book as a function of the number of chapters.

Answers

Answer:

p=12c+72  ?

Step-by-step explanation:

i think u just make an equation


Factorise a² + 3a - 28

Answers

Answer:

(a+7)(a-3)

Step-by-step explanation:

Find the factors of 28 that would also add up to 3

28

1 x 28

2 x 14

7 x 4

7-4=3

(a+7)(a-3)

Por C?AnswerExample0 How many ways can 4 candy bars be chosenfrom a store that sells 30 candy bars?С27,4052 How many ways can 13 students line up for lunch?113 How many ways can you make a 3-letterarrangements out of the letters in the wordTRAPEZOID.4 How many ways can you choose 2 books from ashelf of 40 books-5 How many ways can 12 swimmers finish in first,second, and third place?.L11---How many ways can Mrs. Sullivan choose twostudents from 27 to help put away calculators atthe end of class?----1-111

Answers

1) How many ways can 4 candy bars be chosen from a store that sells 30 candy bars?

In this case we can combine 30 types of candy bars in a set of 4 bars.

This can be calculated as a combination of 30 in 4 with no repetition:

\(\begin{gathered} C(n,r)=\frac{n!}{(n-r)!r!} \\ C(30,4)=\frac{30!}{(30-4)!4!}=\frac{30!}{26!4!}=\frac{30\cdot29\cdot28\cdot27}{4\cdot3\cdot2\cdot1}=\frac{657720}{24}=27405 \end{gathered}\)

Answer: 27,405 possible combinations (C).

2) How many ways can 13 students line up for lunch?

In this case we have a permutation of 13 in 13 with no repetition.

We can calculate this as:

\(\begin{gathered} P(n,r)=\frac{n!}{(n-r)!} \\ P(13,13)=\frac{13!}{(13-13)!}=\frac{13!}{1}=6227020800 \end{gathered}\)

Answer: 6,227,020,85)00 possible permutations (P).

3) How many ways can you make a 3-letter arrangements out of the letters in the word TRAPEZOID.

In the word we have 9 letters with no repetition, so we have to calculate a permutation (as order matters) of 9 letters in 3 places.

We can calculate this as:

\(P(9,3)=\frac{9!}{(9-3)!}=\frac{9!}{6!}=9\cdot8\cdot7=504\)

Answer: 504 possible permutations (P).

4) How many ways can you choose 2 books from a shelf of 40 books.

In this case, the order does not matter, so it is a combination of 40 in 2.

This can be calculated as:

\(C(40,2)=\frac{40!}{(40-2)!2!}=\frac{40!}{38!2!}=\frac{40\cdot39}{2\cdot1}=\frac{1560}{2}=780\)

Answer: 780 possible combinations (C)

5) How many ways can 12 swimmers finish in first, second, and third place?

In this case, the order does matter, so we have a permutation of 12 in 3:

\(P(12,3)=\frac{12!}{(12-3)!}=\frac{12!}{9!}=12\cdot11\cdot10=1320\)

Answer: 1320 permutations (P)

6) How many ways can Mrs. Sullivan choose two students from 27 to help put away calculators at the end of class?

The order does not matter between the two students, so it is a combination of 27 in 2:

\(C(40,2)=\frac{27!}{25!2!}=\frac{27\cdot26}{2\cdot1}=351\)

Answer: 351 combinations (C)

(PLEASE HELP!!)
Solve the following system of equations using either Gaussian elimination or a matrix. Write your answer as a point and explain how you would check your work:

2xy + 4z = 33

x + 2y - 3z = -26

-5x - 3y + 5z = 23​

Answers

Using Gaussian elimination, the solution to the given system of equations is given as follows:

x = 5, y = -11, z = 3.

What is a system of equations?

A system of equations is when multiple variables are related, and equations are built to find the values of each variable, according to the relations given in the problem.

For this problem, the equations are given as follows:

2x - y + 4z = 33.x + 2y - 3z = -26.-5x - 3y + 5z = 23.

(I suppose there was a typing mistake on the first equation, as Gaussian elimination can only be applied to solve linear systems).

For Gaussian elimination, the first step is building the matrix of the system, in which:

The first three columns contain the coefficients of x, y and z, respectively.The last column contains the results of the operations.

Hence, the matrix of the system is given as follows:

\(\left[\begin{array}{cccc}2&-1&4&33\\1&2&-3&-26\\-5&-3&5&23\end{array}\right]\)

Then, we need to make the coefficient of x zero in the second and third rows, hence:

R2 -> 2R2 - R1.R3 -> 5R1 + 2R3.

Then the matrix will be given by:

\(\left[\begin{array}{cccc}2&-1&4&33\\0&5&-10&-85\\0&-11&30&211\end{array}\right]\)

Now we need to make the coefficient of y on the third row zero, hence:

R3 -> 11R2 + 5R3.

Then:

\(\left[\begin{array}{cccc}2&-1&4&33\\0&5&-10&-85\\0&0&40&120\end{array}\right]\)

From the third row, we have that:

40z = 120

z = 120/40

z = 3.

From the second row, we have that:

5y - 10z = -85

5y - 30 = -85

5y = -55

y = -11.

From the first row, we have that:

2x - y + 4z = 33

2x + 11 + 12 = 33

2x = 10

x = 5.

Hence the solution of the system is given by:

x = 5, y = -11, z = 3.

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What should you do to both sides of the inequality in order to solve x + (-2) > 3?

Answers

Answer:

x > 5

Step-by-step explanation:

In order to solve you need the variable alone.

x + (-2) > 3

x - 2 > 3

+2. +2

x > 5

Answer:

Add 2 to both sides.

Step-by-step explanation:

gr 12 calculus find the critical points on the given interval and identify the nature of them

gr 12 calculus find the critical points on the given interval and identify the nature of them

Answers

we have the function

\(f\left(x\right)=2^{x}\cos x\)

Find out the critical points

so

Find out the first derivative

\(f^{\prime}(x)=ln2*2^xcosx-2^xsinx\)

Equate the first derivative to zero

\(\begin{gathered} ln2*2^xcosx-2^xsinx=0 \\ ln2=\frac{2^xsinx}{2^xcosx} \\ \\ ln2=tanx \end{gathered}\)

the value of the tangent is positive

that means

the angle x lies on the I quadrant or III quadrant

but remember that the interval is [0, pi]

therefore

The angle x lies on the quadrant

\(\begin{gathered} tanx=ln2 \\ x=0.2\pi\text{ radians} \end{gathered}\)The critical point is x=0.2pi radians

Find out the second derivative

\(f^{\prime}^{\prime}(x)=ln^22*2^xcosx-ln2*2^{x+1}*sinx-2^xcosx\)

Evaluate the second derivative at x=0.2pi radians

The value of the second derivative is negative

so

The concavity is down

that means

The critical point is a local maximum in the given interval

The table shows the distance in feet, y, that a rocket traveled in x seconds.
Choose the function that represents the data.
A.y = x/25
B.y = x^25
C.y = 25x
D.y = 25x^2

Answers

The function that represents the data in the table given is: D. y = 25x².

What is a Function?

A function defines the relationship between the input (x-value) and the output (y-value). In the case given, time travelled is the input while the distance is the output.

Using the function, y = 25x², let's replace x with 2 to see if it would give us a corresponding y-value of 100 as shown in the table of value.

y = 25(2²)

y = 100.

Therefore, the function that represents the data is: D. y = 25x²

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The table shows the distance in feet, y, that a rocket traveled in x seconds.Choose the function that

Answer:

D

Step-by-step explanation:

Set up a double integral that represents the area of the surface given by
z = f(x, y)
that lies above the region R.
f(x, y) = x2 − 3xy − y2
R = {(x, y): 0 ≤ x ≤ 5, 0 ≤ y ≤ x}

Answers

The double integral that represents the area of the surface given by z = f(x, y) that lies above the region R, where f(x, y) = x2 − 3xy − y2 and R = {(x, y): 0 ≤ x ≤ 5, 0 ≤ y ≤ x}, is ∬R [f(x,y)] dA, where dA denotes the area element in the xy-plane.

To find the area of the surface given by z = f(x, y) that lies above the region R, we need to integrate f(x,y) over the region R. The region R is defined as the set of points {(x, y): 0 ≤ x ≤ 5, 0 ≤ y ≤ x}, which is a triangular region in the xy-plane. We can express this region as R = {(x, y): 0 ≤ y ≤ x ≤ 5}. To set up the double integral, we need to express the area element in terms of the variables x and y. Since we are integrating over the xy-plane, the area element is given by dA = dx dy. Therefore, the double integral that represents the area of the surface above R is:

∬R [f(x,y)] dA = ∫\(0^5\)∫\(0^x\) [\(x^2\) − \(3xy\) −\(y^2\)] dy dx

We integrate first with respect to y from 0 to x, and then with respect to x from 0 to 5. The limits of integration are determined by the region R.

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Taylor is decorating for a party. She cuts 5 equal-length streamers from a strip of yellow paper that is 9 feet long. How long is each streamer in fraction form?

Answers

Answer: 1 4/5 feet

Step-by-step explanation:

Length of the strip of yellow paper = 9 feet.

Number of streamers that were cut = 5

Length of each streamer will then be:

= Length of the strip of yellow paper = 9 feet / Number of streamers that were cut

= 9 feet / 5

= 1 4/5 feet

Tell whether this figure has rotational symmetry. If so, give each angle and direction of rotation that produces rotational symmetry.

(when the 90 next to the photo is lined up correctly the shape is in its original form)

Tell whether this figure has rotational symmetry. If so, give each angle and direction of rotation that

Answers

The figure in question has rotational symmetry. with each rotational angle of 60 degrees

What is a rotational symmetry?

Recall that Rotational symmetry, also known as radial symmetry, is a property in geometry where a shape looks the same after some rotation by a partial turn. The degree of rotational symmetry is the number of distinct orientations in which it looks exactly the same for each rotation

The figure looks like a star and when rotated, it gives the same shape.

The figure can be rotated 6 times to give the same shape

The sum of angles of the figure is 360 therefore each angle after rotation = 360/6 = 60 degrees rotational symmetry

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vocabulary finding distances using similar triangles is called ?(indirect measurement or scale drawing)

Answers

The process of finding distances using similar triangles is called "indirect measurement." This technique is commonly used in fields such as engineering, architecture, and surveying.

Indirect measurement involves creating a scale drawing of the object or space in question, using known dimensions and ratios to create a proportional representation. This drawing is then used to create similar triangles, which can be used to calculate distances and other measurements.

For example, if you want to measure the height of a building, you can create a scale drawing of the building and its surroundings, and use trigonometry to calculate the height of the building based on the length of its shadow and the angle of the sun.

Indirect measurement can be a powerful tool for solving complex problems and making accurate measurements in situations where direct measurement is not possible. However, it does require a strong understanding of geometry and mathematical concepts, as well as careful attention to detail and accuracy in creating the scale drawing.

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Could someone answer why my answer for B is incorrect?

Answers

Answer:

please show your answer and the question in order for me to answer this!

Step-by-step explanation:

The inside diameter of a randomly selected piston ring is a random variable with mean value 10 cm and standard deviation 0.07 cm.
(a) If
X
is the sample mean diameter for a random sample of n = 16 rings, where is the sampling distribution of
X
centered and what is the standard deviation of the
X
distribution? (Enter your standard deviation to five decimal places.)
center cm
standard deviation cm
(b) Answer the questions posed in part (a) for a sample size of n = 64 rings. (Enter your standard deviation to five decimal places.)
center cm
standard deviation cm
(c) For which of the two random samples, the one of part (a) or the one of part (b), is
X
more likely to be within 0.01 cm of 10 cm? Explain your reasoning.
X
is more likely to be within 0.01 cm of 10 cm in sample (a) because of the increased variability with a smaller sample size.
X
is more likely to be within 0.01 cm of 10 cm in sample (b) because of the increased variability with a larger sample size.
X
is more likely to be within 0.01 cm of 10 cm in sample (b) because of the decreased variability with a larger sample size.
X
is more likely to be within 0.01 cm of 10 cm in sample (a) because of the decreased variability with a smaller sample size.

Answers

We are given that the inside diameter of a piston ring is a random variable with mean value 10 cm and standard deviation 0.07 cm.

We are asked to find the sampling distribution of the sample mean diameter for two different random samples of n=16 and n=64 piston rings, respectively, and to calculate the standard deviation of each sampling distribution.

The sampling distribution of the sample mean diameter is the distribution of all possible sample means that could be obtained from a given sample size n.

The central limit theorem tells us that for large enough sample sizes (typically n ≥ 30), the sampling distribution of the sample mean is approximately normal, regardless of the shape of the underlying population distribution.

The mean of the sampling distribution of the sample mean is equal to the population mean, and the standard deviation of the sampling distribution is equal to the population standard deviation divided by the square root of the sample size.

For the first random sample of n=16 piston rings, the center of the sampling distribution of the sample mean diameter is still 10 cm, as this is the population mean.

However, the standard deviation of the sampling distribution is equal to the population standard deviation of 0.07 cm divided by the square root of 16, which is 0.0175 cm. Therefore, the standard deviation of the sampling distribution of the sample mean diameter for the first random sample is 0.0175 cm.

For the second random sample of n=64 piston rings, the center of the sampling distribution of the sample mean diameter is still 10 cm, but the standard deviation of the sampling distribution is equal to the population standard deviation of 0.07 cm divided by the square root of 64, which is 0.00875 cm.

Therefore, the standard deviation of the sampling distribution of the sample mean diameter for the second random sample is 0.00875 cm.

Finally, we are asked which of the two random samples is more likely to have a sample mean diameter within 0.01 cm of 10 cm. Since the standard deviation of the sampling distribution of the sample mean decreases as the sample size increases, the second random sample of n=64 piston rings is more likely to have a sample mean diameter within 0.01 cm of 10 cm.

This is because the decreased variability of the sampling distribution means that the sample means are more tightly clustered around the population mean of 10 cm. Therefore, we can conclude that the second random sample is more precise than the first random sample.

In statistics, a random sample is a subset of a larger population that is selected in such a way that each member of the population has an equal chance of being included in the sample.

Random sampling is a crucial tool for drawing conclusions about a population based on a smaller subset of data. In this problem, we will explore the sampling distribution of the sample mean for two different random samples of piston rings.

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Evaluate the functions in the given points.
a. f(x) = x

2 − 6 for f(0), f(−6), f(√6), f(
1
2
)

b. f(x) = x

3 + 2x for f(0), f(−2), f(−1), f(
1
2
)

c. f(x) =
1−2x
3
for f(0), f(−2), f(2), f (
1
2
) , f(m), f(m − 1), f(−m)

d.f(x) = |x| −
1
x
for f(−1), f(2), f(h), f (
1
2
) , f(−h + 2) where h ≠ 0

Answers

Answer:

Hey I'm sorry I didn't get to answer your question it's just that I need the points because I don't have enough to get help with my question. I hope you get the answer that you need for you question. Good Luck :)..............

Step-by-step explanation:

which system of linear inequalities is represented by the graph? y > x – 2 and y < x 1 y < x – 2 and y > x 1 y < x – 2 and y > x 1 y > x – 2 and y < x 1

Answers

The region is shaded to represent the set of points that satisfy the two inequalities.

The system of linear inequalities represented by the graph is:y < x – 2 and y > x - 1.The inequality `y < x – 2` can be rewritten as `x - y > 2`. The inequality `y > x - 1` can be rewritten as `x - y < -1`.

Together, these two inequalities form a region bounded by two dotted lines that includes the area below the line `x - y = 2` and above the line `x - y = -1`.

This region is shaded to represent the set of points that satisfy the two inequalities.

Therefore, the correct option is: y < x – 2 and y > x - 1

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I NEED HELP PLEASEEEE
LOOK AT THE ATTACHMENT
T-T

Answers

Answer:

how you doing

Step-by-step explanation:

Calculate the area of a triangle XYZ with
angle X = 90°, XZ = 15 cm and XY = 12 cm

Answers

The area of the right triangle with side lengths of 15cm and 12cm is 90 cm².

What is the area of the triangle ?

The area of triangle can be determined using the equation;

Area = 1/2 × base × height.

The angle described forms a right-triangle.

Height of the triangle = XZ = 15cmBase of the triangle = XY = 12cmAngle X = 90°Area A = ?

Area = 1/2 × base × height

Area = 1/2 × 12cm × 15cm

Area = 6cm × 15cm

Area = 90 cm²

Therefore, the area of the triangle is 90 cm².

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Sara needs to purchase one notebook and packs of pencils (p) for school. A notebook costs $12.99 and packs of pencils cost $1.19 each. Which equation shows the relationship between the total cost, C, of a notebook and p packs of pencils?

Answers

The total cost of all the items mentioned can be expressed as

12.99 + 1.19 P = C

Given : Sara needs to purchase one notebook

Also it is given that pack of pencils is represented by P

Since a notebook costs = $ 12.99

And pack of pencils cost = $ 1.19

Thus the total cost can simply be represented by adding all the above mentioned items

this means it can be written as

12.99 + 1.19 P = C where C represents the total cost { given }

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