The correct equation and value of x, the distance of 1 lap around the path at the park is 4.8x + 1.2 = 3.6. Then the correct option is B.
What is the linear system?It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.
Florian ran 1.2 miles and walked 4.8 laps around the path at the park for a total distance of 3.6 miles.
This is because lap will be dependent on the variable, we know that the number of them will be multiplied by the variable x we also know that 1.2 miles are constant. Now the equation will be
4.8x + 1.2 = 3.6
Thus, the correct option is B .
More about the Linear system link is given below.
https://brainly.com/question/20379472
You are given two offers for a monthly wage. Option A is to be paid one cent on the first day of the month, with your wages doubling each day (2 cents on day 2, 4 cents on day 3, 8 cents on day 4, etc.) for the rest of this 30 day month. Option B is to be paid $1 on the first day of the month, with your wages increasing $100 each day ($101 on day 2, $201 on day 3, $301 on day 4, etc.). Which option will give you more money by the end of the month? Make sure to support your answer.
Answer:
Option B.
Step-by-step explanation:
If you begin with one dollar a day there will get you more by the end of the month because on day 2 your on 201 already which is more than you get in that month with one cent.
The first option (A) will give you more money than option (B).
What are the geometrical progression series and arithmetic progression series?A geometric progression is a sequence in which any element after the first is obtained by multiplying the previous element by a constant which is called a common ratio denoted by r.
The difference between every two successive terms in a sequence is the same this is known as an arithmetic progression (AP).
Given that
Case A). Doubling each day
1 + 2+ 4 + 8 + 16 .... it is form a GP series with common ratio (r) 4/2 = 2
Number of terms (n)
Sum = 30( \(2^{30}\) - 1)/(2 - 1) = $2147483464.
Case B). Adding $100 each day
1 + (101 + 201 + 301 ....) it is form a ap series with common difference d = 201 - 101 = 100.
Number of terms = 29
Sum = 1 + 29/2 + [ 2 (101) + 28(100)] = $43530
Hence it is clear that case (A) will give you more money.
For more information about the geometrical progression
brainly.com/question/4853032
#SPJ5
Graph the equation.
y=2|x-2| +3
The graph of the absolute value equation y = 2 | x - 2 | + 3 is attached
How to plot the graphA graph is pictorial representation of dat the dat is represented in Cartesian coordinate as follows
Locating the input in the graphlocating the corresponding output making a point where the two points intersectrepeating step 1 to 3 to complete the valuesJoining the pointsThe given equation is y = 2 | x - 2 | + 3
The input values (x values) are chosen from -2, 0, 2. substituting the x values into the equation gives the y values as follow
for x = - 2
y = 2 |-2 - 2 | + 3
= 2 | -4| + 3
=-8 + 3 OR 8 + 3
= 5 OR 11
for x = 0
y = 2 |0 - 2 | + 3
= 2 | -2| + 3
=- 4 + 3 OR 4 + 3
= -1 OR 7
for x = 2
y = 2 |2 - 2 | + 3
= 2 | 0 | + 3
=- 3
absolute values yield double output values hence the graph is two straight lines
Learn more on absolute value graphs here: https://brainly.com/question/14758059
#SPJ1
Which equation could Sameer use to solve for the value of n if n + 13 = 17?
Answer:
n = 17-13
Step-by-step explanation:
n+13=17
Subtract 13 from each side
n+13-13 = 17-13
n = 17-13
in a marketing research study, one-half of a sample received a coupon in a direct mail; the other half did not. a researcher wants to compare money spent at the store between the two groups. what statistical technique should be used? group of answer choices one-sample t test paired-samples t test independent-samples t test pearson correlation coefficient
The appropriate statistical technique to compare money spent at the store between two groups in a marketing research study is the independent-samples t-test.
The independent-samples t-test is used to compare the means of two independent groups. In this case, the groups are the ones who received the coupon and the ones who did not, and they are independent because the participants were randomly assigned to each group.
The null hypothesis for the independent-samples t-test is that there is no difference between the means of the two groups. The alternative hypothesis is that there is a significant difference between the means of the two groups.
By conducting an independent-samples t-test on the data, the researcher can determine whether the difference in money spent at the store between the two groups is statistically significant or simply due to chance. If the p-value is less than the significance level (usually 0.05), the researcher can reject the null hypothesis and conclude that there is a significant difference between the two groups in terms of the money spent at the store.
Therefore, the independent-samples t-test is an appropriate statistical technique to compare the means of two independent groups and test for significant differences between them.
To learn more about t-test here:
https://brainly.com/question/30030593
#SPJ4
The average daily temperature in a city is 55° in May. The average daily temperature in that same city is −3° in December. Which of the following represents the difference in degrees of these average temperatures? |
a.) 55| − |−3| = 52°
b.) |55| + |−3| = 58°
c.)55|−3| = 52°
d.)
D.) |−55| − |−3| = 58°
The expression that represents the difference in degrees of these average temperatures is given as follows:
b.) |55| + |−3| = 58°
How to obtain the difference between the maximum and the minimum temperature?The difference between the maximum temperature and the minimum temperature is obtained by the subtraction of these two temperatures.
The temperatures in this problem are given as follows:
May: 55º.December: -3º.Then the difference is given as follows:
55 - (-3).
When a positive number subtracts a negative number, the distributive property is applied to the negative number, meaning that it is equivalent to adding the positive number, hence:
55 - (-3) = 55 + 3 = 58º.
This means that option B gives the correct difference.
More can be learned about the difference between two amounts at https://brainly.com/question/17301989
#SPJ1
1-4i/3+2i how do I solve this
To divide a complex a+ib by a complex number c+id we have to multiply the numerator and denominator by the complex conjugate of the denominator of the original fraction; after that we make the operations.
With this in mind in this case we have:
\(\begin{gathered} \frac{1-4i}{3+2i}\cdot\frac{3-2i}{3-2i}=\frac{3-2i-12i+8i^2}{9-6i+6i-4i^2} \\ =\frac{3-14i-8}{9+4} \\ =\frac{-5-14i}{13} \\ =-\frac{5}{13}-\frac{14}{13}i \end{gathered}\)Therefore the result of the division given is:
\(-\frac{5}{13}-\frac{14}{13}i\)alpha centauri appears as a bright object visible in the milky way galaxy. alpha centauri is actually a system of three objects. each object produces light and rotates on its own axis. the system is an average of 4 light-years from earth. based on this information, the three objects that make up the alpha centauri system are all —A asteroids
B comets
C planets
D stars
The three objects that make up the Alpha centauri system, given their description, are all D. stars.
What is the Alpha Centauri system ?Alpha Centauri is a star system that consists of three stars, not planets, asteroids, or comets. The three stars are named Alpha Centauri A, Alpha Centauri B, and Proxima Centauri.
Alpha Centauri A and B are similar to the Sun, while Proxima Centauri is a smaller and cooler red dwarf star. The three stars in the Alpha Centauri system produce light and rotate on their own axis, and the system is located an average of 4 light-years from Earth.
Find out more on the Alpha Centauri system at https://brainly.com/question/1163628
#SPJ1
Determine the intercepts of the line
Answer:
If we look at the graph, we can see that the x-intercept is located at (4, 0) and the y-intercept is located at (0, 2.5)
(a) If sup A < sup B, show that there exists an element b ∈ B that is an upper bound for A.
(b) Give an example to show that this is not always the case if we only assume sup A ≤ sup B.
(a) We have shown that there exists an element b ∈ B that is an upper bound for A.
(b) The statement in part (a) is not always the case if we only assume sup A ≤ sup B.
(a) If sup A < sup B, show that there exists an element b ∈ B that is an upper bound for A.
Proof:
1. By definition, sup A is the least upper bound for set A, and sup B is the least upper bound for set B.
2. Since sup A < sup B, there must be a value between sup A and sup B.
3. Let's call this value x, where sup A < x < sup B.
4. Now, since x < sup B and sup B is the least upper bound of set B, there must be an element b ∈ B such that b > x (otherwise, x would be the least upper bound for B, which contradicts the definition of sup B).
5. Since x > sup A and b > x, it follows that b > sup A.
6. As sup A is an upper bound for A, it implies that b is also an upper bound for A (b > sup A ≥ every element in A).
Thus, we have shown that there exists an element b ∈ B that is an upper bound for A.
(b) Give an example to show that this is not always the case if we only assume sup A ≤ sup B.
Example:
Let A = {1, 2, 3} and B = {3, 4, 5}.
Here, sup A = 3 and sup B = 5. We can see that sup A ≤ sup B, but there is no element b ∈ B that is an upper bound for A, as the smallest element in B (3) is equal to the largest element in A, but not greater than it.
This example shows that the statement in part (a) is not always the case if we only assume sup A ≤ sup B.
Visit here to learn more about upper bound:
brainly.com/question/22965427
#SPJ11
please Factorise 4u²-18u +18
Answer: 2(u-3)(2u-3)
Step-by-step explanation:
4u²-18u +18 take out the greatest common factor, 2, all terms can be divided by 2
2(2u²-9u +9) to factor, multiply the first and the last parts of the quadratic. 2(9)=18 Find 2 numbers that multiply to 18 but add to the middle number.
-6 and -3 both multyiply to +18 but add to -9
Take those 2 numbers, -6 and -3, and replace the middle term with those numbers
2(2u²-6u-3u +9) we have not changed the equation, we have simply replaced the term and broke it up. -9u = -6u-3u
2(2u²-6u-3u+9) now we "group" the first 2 terms and the last 2
2[(2u²-6u)(-3u +9)] this is not your factor you must take out the greatest common factor from each of the groupings
2[2u(u-3)-3(u-3)] if the parentheses are the same, then you've done a good job. the first factoring will be what is in your parentheses, the second will be what ever is left.
2(u-3)(2u-3)
We use this method because there is a coefficient, number in front of the \(u^{2}\)
HELP ME ASAP I NEED HELP
Answer:
distance = 7.07 units
Step-by-step explanation:
x difference = 7
y difference = -1
using the Pythagorean theorem:
7² + -1² = d²
d² = 49 + 1 = 50
d = 7.07
Answer:
7.1
Step-by-step explanation:
distance between the x is 7 and y is 1
And to find the hypotenuse, you use the quadratic formula, 7^2 + 1^2 = c^2
c=50
and take the square root, which is 7.071, rounds to 7.1
which function in the random library will generate a random integer from 0 to the parameter value inclusive?
The function in the random library that generate a random integer from 0 to the parameter value inclusive is random.randint() function
What is a function?Functions are another key idea in programming because they let you put a piece of code that performs a specific purpose inside a specified block and then call that code whenever you need it with a single, brief command rather than repeatedly typing the same code.
What are parts of a function in coding?Code units that are "self contained" and carry out a particular purpose are called functions. Typically, functions "take in," "process," and "return" data and results. Once a function has been developed, it may be utilized countless times.
From the above definition, we get that
The function in the random library will generate a random integer from 0 to the parameter value inclusive is random.randint() function
To learn more about function, click the following link:-
https://brainly.com/question/22340031
#SPJ4
Evaluate the following function: Show all work! h(x)=3x²+2-2x, Find h(-2)
To determine the answer, substitute the given value to the function and simplify.
h(x) = 3x² + 2 - 2x; h(-2)h(-2) = 3(-2)² + 2 - 2(-2)h(-2) = 3(4) + 2 + 4h(-2) = 12 + 2 + 4h(-2) = 14 + 4h(-2) = 18Answer:
18 is the answer.Wxndy~~
Consider the system: ⎩⎨⎧dtdx=2y+x−(x2+2y2)xdtdy=−x+y−(x2+2y2)y (a) Show that the origin is an unstable equilibrium. (b) Show there exists a periodic orbit. HINT: You can use an appropriate Lyapunov functional.
To show that the origin is an unstable equilibrium, we need to find the eigenvalues of the Jacobian matrix evaluated at the origin. The Jacobian matrix is given by:
J = ⎡⎢⎣∂f1/∂x ∂f1/∂y∂f2/∂x ∂f2/∂y⎤⎥⎦
where f1 = 2y + x - (x^2 + 2y^2)x and f2 = -x + y - (x^2 + 2y^2)y. Evaluating the partial derivatives, we get:
J = ⎡⎢⎣-2x(x^2 + 2y^2) -4y(x^2 + 2y^2) -1 + 3x^2 + 2y^2 -1 + x^2 + 6y^2⎤⎥⎦
Evaluating J at the origin, we get:
J(0,0) = ⎡⎢⎣0 0 -1 -1⎤⎥⎦
To find the eigenvalues, we solve the characteristic equation:
det(J - λI) = 0
where I is the identity matrix. Solving, we get:
det(⎡⎢⎣-λ 0 -1 -1⎤⎥⎦) = λ^2 + 2λ = 0
The eigenvalues are λ = 0 and λ = -2. Since one eigenvalue is positive, the origin is an unstable equilibrium.
To show the existence of a periodic orbit, we can use a Lyapunov functional. Let V(x,y) = x^2 + y^2. Taking the time derivative of V, we get:
dV/dt = 2x(dx/dt) + 2y(dy/dt)
Substituting the given system equations, we get:
dV/dt = 2x(2y + x - (x^2 + 2y^2)x) + 2y(-x + y - (x^2 + 2y^2)y)
Simplifying, we get:
dV/dt = -2x^2 - 2y^2
Since dV/dt is negative definite, V(x,y) is a Lyapunov functional and there exists a periodic orbit.
Learn more about Solution here:
https://brainly.com/question/33182981?referrer=searchResults
#SPJ11
wich mathematical expression represent this statement?the sqaure of a number times 31. 7n2. 3n^2 3.2n + 84. n^3/ 2
Let the number be represented by "n"
If a bag contains 12 apples, 4 bananas, and 8 oranges, what is the part-to-whole ratio bananas to all fruit?
Answer:
4:24
Step-by-step explanation:
12 + 4 + 8 = 24 and there are only 4 bananas. So, the answer is 4:24
hope that helps!!
Answer: 1 : 6
Step-by-step explanation: 4 over 24 equals 1/6th or 1:6 .
find the area of the region enclosed by one loop of the curve. r = sin(8θ)
π/32 is the area enclosed by the curve r= sin(8θ)
The given curve is polar curve and hence the area of the polar curve is given by:
Let A be the area of the curve so,
A = \(\int\limits^a_b {\frac{1}{2} r^2 } \, d\theta\)
where a and b is the boundary at which r=0
so after equation r=0
sin(8θ) =0
=> sin(8θ) =0
=> 8θ = 0,π
=> θ = 0, π/8
so a=0 , b= π/8
now
A = \(\int\limits^a_b {\frac{1}{2} r^2 } \, d\theta\) ------(i)
so \(r^2\) = (sin(8θ))^2
=> \(sin^2\) ( 8θ )
ans we know that
cos(2α) = 1 - 2\(sin^2\) α
so \(r^2\) = (1- cos(16θ) )/2
putting the value of r in the equation (i) we get :-
A = \(\int\limits^a_b {\frac{1}{4} *(1-cos(16\alpha ) } \, d\alpha\)
=> 1/4* \(\int\limits^a_b {(1-cos(16\alpha ) } \, d\alpha\)
here a=0 and b=π/8
after putting the value and solving the integral
A = π/32
so A is the area enclosed by r=sin(8θ) is π/32
To know more about polar curve click on below link:
https://brainly.com/question/1094340#
#SPJ4
A researcher wants to know if a new type of exercise improves people’s health. Would this be a one-tailed or a two-tailed test and why?
a) One-tailed because the study is only interested in whether exercise increases health. b) One-tailed because the study only looks at the effects of exercise and does not take other factors into account. c) Two-tailed because they will have to study healthy and unhealthy people. d) Two-tailed because there is no predicted direction of the difference.
Two-tailed because there is no predicted direction of the difference. The correct answer is D.
In hypothesis testing, a one-tailed test is used when the researcher has a specific prediction about the direction of the effect. They expect the results to be either greater than or less than a certain value. However, in this scenario, the researcher simply wants to investigate whether the new type of exercise improves people's health without any specific directional prediction.
A two-tailed test is appropriate when the researcher wants to determine if there is a significant difference between the groups being compared, but without specifying the direction of the difference. In this case, the researcher wants to examine if the new exercise has any effect on health, whether it improves or worsens it. Therefore, a two-tailed test is suitable as it allows for the possibility of observing a significant difference in either direction.
Therefore, considering these factors, the researcher should conduct a two-tailed test to assess the potential impact of the new exercise on people's health. The correct answer is D.
To learn more about Two-tailed from the given link
https://brainly.com/question/30818311
#SPJ4
Q1: Use simple exponential smoothing with a = 0.75 to forecast the water pumps sales for February through May. Assume that the forecast for January was for 25 units. [4 marks) Month January February March April Air-condition sales 28 72 98 126
Therefore, using simple exponential smoothing with a = 0.75, the forecast for water pump sales for February through May are:- February: 26.5 units, March: 37.63 units, April: 72.66 units.
To use simple exponential smoothing with a = 0.75, we first need to calculate the forecast for January:
F1 = 25 (given)
Next, we calculate the forecast for February using the formula:
F2 = a * Y1 + (1 - a) * F1
F2 = 0.75 * 28 + 0.25 * 25
F2 = 26.5 (rounded to one decimal place)
We repeat this process for each month, using the previous month's forecast and the actual sales data for the current month. The results are as follows:
Month Actual Sales Forecast
-------------------------------------
January 28 25
February 72 26.5
March 98 37.63
April 126 72.66
- May: 101.17 units
Hi, I'd be happy to help you with your question. To use simple exponential smoothing with a smoothing constant α = 0.75 to forecast the water pump sales for February through May, given that the forecast for January was 25 units, follow these steps:
Step 1: Start with the given forecast for January, which is 25 units.
Step 2: Calculate the forecast for February using the formula:
Forecast_February = α * (Actual_January) + (1 - α) * Forecast_January
Step 3: Calculate the forecast for March using the formula:
Forecast_March = α * (Actual_February) + (1 - α) * Forecast_February
Step 4: Calculate the forecast for April using the formula:
Forecast_April = α * (Actual_March) + (1 - α) * Forecast_March
Step 5: Calculate the forecast for May using the formula:
Forecast_May = α * (Actual_April) + (1 - α) * Forecast_April
Please note that you have provided sales data for air-conditioning sales, but the question is about water pump sales. If you meant to ask about air-conditioning sales, you can use the given sales data to calculate the forecasts for February through May. If you need help with water pump sales, please provide the correct sales data for January through April, and I will gladly help you with the calculations.
To know more about the function visit :
https://brainly.com/question/11624077
#SPJ11
help me for brainetest
Answer:
1 and 1/6
Step-by-step explanation:
if you simplify 6/6 is equal to 1 and the extra 1/6 is the fraction so the answer is 1 and 1/6
plz give me brainiest
The right answer is 1 1/6
look at the attached picture
hope it helps..
Good luck on your assignment
when a number is added to 18 the answer is the same as 59 mins 20. what is the number?
A customer buys a table on hire purchase. He makes a deposit of $306 and pays 6 monthly instalments of $60 each. The total cost to the customer is
A) $360
B) $366
C) $666
D) $966
Answer:
c = $666
Step-by-step explanation:
he already paid $306 then pays $60 for 6 months which is $360
so $360 + $306 is $666 which is c
Help on 36 and 37 pls, the choices for 37 are 70,77,82, and 90
Answer:
36: G-30
37: Please add the rest of the questions, so I can answer 37.
Step-by-step explanation:
solve the equation 7+2 |2x+1| =15
Answer:
I believe the answer is X=2.5
Step-by-step explanation:
7+2=9
so now we have to find what X would be so we can do the second equation
So we know that the second equation must equal 6 because 9+6=15
So now we experiment with different numbers for X
if we did 2, the new equation would be 2x2+1 which is 5, too low
if we did 3, the new equation would be 2x3+1 which is 7, too high
So we need something in the middle
in the middle of 5 and 7 is 6 which is the number we need
so to get 6 we need something in between 2 and 3, which in 2.5
hope this helped!
How many degrees are in a full circle?
Answer: 360
Step-by-step explanation:
done
how many solutions are there to square root x =9
Answer:
There are 2 solutions to square root x = 9
They are 3, and -3
Step-by-step explanation:
The square root of x=9 has 2 solutions,
The square root means, for a given number, (in our case 9) what number times itself equals the given number,
Or, squaring (i.e multiplying with itself) what number would give the given number,
so, we have to find the solutions to \(\sqrt{9}\)
since we know that,
\((3)(3) = 9\\and,\\(-3)(-3) = 9\)
hence if we square either 3 or -3, we get 9
Hence the solutions are 3, and -3
Complete the table to show the interest earned for different savings principals, interest rates, and time periods
The interest earned increases with higher principal amounts, higher interest rates, and longer time periods.
Principal (P) | Interest Rate (r) | Time Period (t) | Interest Earned (I)
$1,000 | 2% | 1 year | $20
$5,000 | 4% | 2 years | $400
$10,000 | 3.5% | 3 years | $1,050
$2,500 | 1.5% | 6 months | $18.75
$7,000 | 2.25% | 1.5 years | $236.25
To calculate the interest earned (I), we can use the simple interest formula: I = P * r * t.
For the first row, with a principal of $1,000, an interest rate of 2%, and a time period of 1 year, the interest earned is calculated as follows: I = $1,000 * 0.02 * 1 = $20.
For the second row, with a principal of $5,000, an interest rate of 4%, and a time period of 2 years, the interest earned is calculated as follows: I = $5,000 * 0.04 * 2 = $400.
For the third row, with a principal of $10,000, an interest rate of 3.5%, and a time period of 3 years, the interest earned is calculated as follows: I = $10,000 * 0.035 * 3 = $1,050.
For the fourth row, with a principal of $2,500, an interest rate of 1.5%, and a time period of 6 months (0.5 years), the interest earned is calculated as follows: I = $2,500 * 0.015 * 0.5 = $18.75.
For the fifth row, with a principal of $7,000, an interest rate of 2.25%, and a time period of 1.5 years, the interest earned is calculated as follows: I = $7,000 * 0.0225 * 1.5 = $236.25.
These calculations show the interest earned for different savings principals, interest rates, and time periods.
For more such questions on interest
https://brainly.com/question/25720319
#SPJ8
What is the surface area of the solid?
Surface area = (1/2 x 6 x 4) + (1/2 x 6 x 4) + (12 x 7) + (12 x 7) + (4 x 12)
= 12 + 12 + 84 + 84 + 48
= 240 cm²
∴ Answer: B
Hope this helps! :]
P.s. Can you mark me as the Brainliest?
...................................................
Answer:
11.21157846 =x
Step-by-step explanation:
We know log b (a) = c can be written as b^c =a
log 3 (x) = 2.2
3^2.2 = x
11.21157846 =x
Answer:
\(\large \boxed{\sf \bold{A.} \ x=11.21}\)
Step-by-step explanation:
\(\large \sf log_3 (x)=2.2\)
Solve this by converting the logarithmic statement into its equivalent exponential form, using the relationship:
\(\large \sf log_b(y)=x\)
\(\large{\sf y=b^x}\)
Apply the relationship.
\(\large \sf log_3 (x)=2.2\)
\(\large \sf x=3^{2.2}\)
\(\large \sf x=11.21157845...\)
\(\large \sf x \approx 11.21\)
HELLP ASAP
1.The language of numbers and symbols that represent numbers. is called?
a Algebra
b Substitute
c Evaluate
d Variable
2. A letter or symbol that represents a number in a algebraic expression. is called
a Variable
b Expression
c Substitution
d Integer
Answer: both answers are A
Step-by-step explanation:
algebra uses numbers and symbols to represent numbers (the answers to algebraic expressions)
letters used to represent numbers are variables
Answer:
both A :))))))))))))))))))))))