Mathematics College

write a multiplication statement and a division statement for each question
1. 8 five-dollar bills are worth 40
2. there are 9 thirds in 3 ones

Answers

Answer 1

Answer:

8 x 40 = 320

9 ÷ 3

Step-by-step explanation:

Related Questions

can someone please solve and explain how you got your answer, WILL GIVE BRAINLIEST!!!

Answers

Answer:

A, graph 4, S(0, 9)B, graph 3, R(9, 0)C, graph 1, P(3, 9)D, graph 2, Q(-3, 0)

Step-by-step explanation:

You want to identify the graphs that go with each of these functions, along with a particular point on the curve.

y = x² +3x +9y = (x +3)(x -9)y = (x -3)² +9y = -(x -9)(x +3)

Quadratic features of interest

The equations are written here in standard form, factored form, and vertex form. (The "factored form" is sometimes called "intercept form.") Each of these forms can be analyzed for characteristics relevant to identifying the corresponding graph.

In general, we can readily identify the opening direction, based on the sign of the leading coefficient. Depending on the form, we can also identify zeros, the vertex, and the y-intercept.

Standard form

The line of symmetry (x-coordinate of the vertex) of the equation in the form ax² +bx +c is x = -b/(2a). That is, it will be left of the y-axis when the coefficients 'a' and 'b' have the same sign.

The graph of equation A will be graph 4, the only one with its vertex left of the y-axis. The y-intercept is the constant: point S = (0, 9).

Factored form

Equation B has a positive leading coefficient, so opens upward. The zeros of the factors are -3 and +9, so identify the places where the graph crosses the x-axis. Graph 3 is the only one that opens upward and has x-intercepts. Point R is (9, 0).

Vertex form

The vertex form of a quadratic is ...

y = a(x -h)² +k . . . . . . . vertex (h, k); leading coefficient 'a'

Equation C has its vertex at (h, k) = (3, 9) and opens upward (a>0). Graph 1 is the only one matching those characteristics. Point P is the vertex, so point P is (3, 9).

Leading coefficient

Equation D is the same as equation B, but with a negative leading coefficient. That is, it opens downward and crosses the x-axis in two places, at x = -3 and x = 9. Graph 2 is matches this description. The left zero is point Q, (-3, 0).

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A health study tracked a group of person for five years. At the beginning of the study, 20% were classified as heavy smokers, 30% as light smokers, and 50% as nonsmokers. Results of the study showed that light smokers were twice as likely as nonsmokers to die during the five-year study, but only half as likely as heavy smokers. A randomly selected participant from the study died during the five-year period. Calculate the probability that the participant was a heavy smoker. g

Answers

Answer: 0.421

Step-by-step explanation:

Heavy smoker = 20%

Light smoker = 30%

Non smokers = 50%

We can assume that the probability that a non-smoker is going to die in the next 5 years be y.

Since light smokers were twice as likely as nonsmokers to die during the five-year study, the probability will be:

= 2 × y = 2y

Probability for the Heavy smokers will be:= 2 × 2y = 4y

The expected number of people that will die for each in the next 5 years will be:

Non smoker:

= 50% × y

= 0.5 × y

= 0.5y

Light smoker:

= 30% × 2y

= 0.3 × 2y.

= 0.6y

Heavy smoker:

= 20% × 4y.

= 0.2 × 4y

= 0.8y

Total = 0.5y + 0.6y + 0.8y = 1.9y

The probability that the participant was a heavy smoker will be:

= 0.8y/1.9y

= 0.421

An arborist is preparing the fuel mix for her chainsaw before climbing a tree to remove a dead limb. The two-stroke chainsaw
requires a 5% mix of engine oil to gas-that is, the amount of oil should be 5% of the amount of gas. How much engine oil should
be added to a jerry can that contains 3.8 gallons of gas?

(Type a whole number or a decimal)

Answers

Answer:

To determine the amount of engine oil needed, we need to find 5% of 3.8 gallons:

0.05 x 3.8 = 0.19

So, 0.19 gallons of engine oil should be added to the jerry can.

Annie has 3/2 pounds of cookie dough. If she needs 1/16 of a pound of cookie dough to make one cookie, how many cookies can she make

Answers

Answer:

$\boxed{\sf 24\ cookies}$

Step-by-step explanation:

1 cookie = 1/16 of a pound of cookie

If we want to find how many cookies can be made by 3/2 pounds ( 1.5 pounds) then we need to divide 3/2 pounds by 1/16

=> $\frac{3}{2} / \frac{1}{16}$

=> $\frac{3}{2} * 16$

=> 3*8

=> 24 cookies

Answer:

24 cookies

Step-by-step explanation:

3/2= 1.5 and 1/16= 0.0625

if you divide the amount of dough you have by the amount needed for each cookie you will have 24

1.5/0.0625=24

Which symbol correctly compares these two fractions? 7/8 and 2/3

$Which symbol correctly compares these two fractions? 7/8 and 2/3$

Answers

Answer: >

Step-by-step explanation:

7 eights is greater than the amount of 2 thirds.

The answer to the question is >. Hope this helps!

What is the square root of -16?

Answers

Answer:-8

Step-by-step explanation:

Which of the following functions will represent $500 placed
into a mutual fund yielding 10% per year for 4 years.

• A = 500(.10)^4
• A = 500(1.1)^4
• A = 500(4)(.10)
• A = 500(1.04)^10

Answers

Answer:

the answer is the first one

Step-by-step explanation:

The functions will represent $500 placed into a mutual fund yielding 10% per year for 4 years is A = 500(1.1)^4

what is Compound Interest?

In order to compute compound interest, multiply the principle of the original loan by the annual interest rate multiplied by the number of compound periods minus one. You will then be left with the principal amount of the loan plus compound interest.

given:

P= $500

First, convert R as a percent to r as a decimal

r = R/100

r = 10/100

r = 0.1 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 500.00$(1 + 0.1/1)(1)^4$

A = 500.00$(1.1)^4$

A = $732.05

Hence, the functions will represent $500 placed into a mutual fund yielding 10% per year for 4 years is A = 500(1.1)^4

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differenciate the Function 1/ X3

Answers

Step-by-step explanation:

To differentiate the function f(x) = 1/x^3, we can use the power rule of differentiation. Here's the step-by-step process:

Write the function: f(x) = 1/x^3.

Apply the power rule: For a function of the form f(x) = x^n, the derivative is given by f'(x) = nx^(n-1).

Differentiate the function: In our case, n = -3, so the derivative is:

f'(x) = -3 * x^(-3-1) = -3 * x^(-4) = -3/x^4.

Therefore, the derivative of the function f(x) = 1/x^3 is f'(x) = -3/x^4.

The softball team is getting new
uniforms. They can choose from blue,
red or green shorts, white, black or
purple shirts and yellow or orange socks.
How many combinations are possible?

Answers

There are 18 possible combinations of shirts, shorts and socks

Calculating how many combinations are possible?

From the question, we have the following parameters that can be used in our computation:

Shorts = 3 i.e. blue, red or green

Shirts = 3 i.e. white, black of purple

Socks = 2 i.e. yellow or orange

using the above as a guide, we have the following:

Combination = Shorts * Shirts * Socks

substitute the known values in the above equation, so, we have the following representation

Combination = 3 * 3 * 2

Evaluate

Combination = 18

Hence, there are 18 possible combinations of shirts, shorts and socks

Answers

Answer:

1. $19,282.025

2.$3698

Step-by-step explanation:

In order to calculate this, we can use the following formula:

$\boxed{\bold{FV = PV(1 + \frac{r}{n})^{nt}}}$

Where:

FV = Future Value PV = Present Value r = Annual interest rate n = Number of times interest is compounded per year t = Number of years

In this case, the following values would be used:

FV = ?PV = $3,294 r = 15%=0.15 n = 4t = 12

Plugging these values into the formula, we get:

$FV = 3,294(1 + \frac{0.15}{4})^{4*12}$

= $19,282.025

In order to calculate this, we can use the following formula:

$\boxed{\bold{FV = PVe^{rt}}}$

Where:

FV = Future Value PV = Present Value r = Annual interest rate t = Number of years

In this case, the following values would be used:

FV = ?PV = $2,580r = 3%=0.03t = 12value of e= 2.7183

Plugging these values into the formula, we get:

$FV = 2,580e^{0.03*12}$

= $3,697.99=$3698

surface area of cylinders
2in radius 4in height use 3.14 for pi. need help

Answers

Answer:

Step-by-step explanation:

A = (2)(3.14)(2)(4) + (2)(3.14)(2^2)

A = 75.36 in

What is the distance between 1.5 and -2

Answers

Answer:

-1.5,0,1

Step-by-step explanation:

solve the equation:

Answers

Answer:

x = 2

Step-by-step explanation:

9 + 5x = 3x + 13

move all like terms to one side

5x - 3x = 13 - 9

2x = 4

divide both sides by 2

x = 2

Hope this makes sense!

- profparis

9+5x = 3x+12

5x -3x = 12 -9

2x = 3

x = 3/2

x = 1.5

check :

9 + 5 (1.5) = 9 + 7.5 = 16.5

3 (1.5) +12 = 4.5 +12 = 16.5

Penelope goes out to lunch. The bill, before tax and tip, was $16.05. A sales tax of 3% was added on. Penelope tipped 18% on the amount after the sales tax was added. How much tip did she leave? Round to the nearest cent.

Answers

Answer:

2.98

Step-by-step explanation:

First find 3% of 16.05 which is 0.48.

Then add 0.48 to 16.05 which is 16.53.

Then multiply .18 by 16.53 which gets you 2.98

Hope it helps

Answer:

To find the amount of the sales tax, we need to multiply the bill amount by the tax rate of 3% or 0.03:

Sales tax = 0.03 x $16.05 = $0.48

To find the total amount of the bill after the sales tax was added, we need to add the bill amount to the sales tax:

Total bill = $16.05 + $0.48 = $16.53

To find the amount of the tip, we need to calculate 18% of the total bill after the sales tax was added:

Tip = 0.18 x $16.53 = $2.98

Rounding to the nearest cent, Penelope left a tip of $2.98.

Step-by-step explanation:

the angel of elevation from a ball on a football field to the top of a 30 foot tall goal post 16 degree 42'. How far is the football from the base of the goal post? Round to the nearest tenth of a foot.

Answers

The football is approximately 96.4 feet from the base of the goal post.

What is tangent function?

The tangent function in trigonometry is used to determine the proportion between the lengths of the adjacent and opposite sides in a right triangle. Where theta is the angle of interest, the tangent function is defined as:

tan(theta) = opposing / adjacent.

When the lengths of one side and one acute angle are known, the tangent function is used to solve for the unknown lengths or angles in right triangles. In order to utilise the tangent function, we must first determine the angle of interest, name the triangle's adjacent and opposite sides in relation to that angle, and then calculate the ratio of those sides using the tangent function.

Given, the angle of elevation is 16 degrees 42'.

That is,

Angle of elevation = 16 degrees 42' = 16 + 42/60 = 16.7 degrees

Using tangent function we have:

tan(16.7) = 30/x

x = 30 / tan(16.7)

x = 96.4 feet

Hence, the football is approximately 96.4 feet from the base of the goal post.

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Every time you conduct a hypothesis test, there are four possible outcomes of your decision to reject or not reject the null hypothesis: (1) You don’t reject the null hypothesis when it is true, (2) you reject the null hypothesis when it is true, (3) you don’t reject the null hypothesis when it is false, and (4) you reject the null hypothesis when it is false.
Consider the following analogy: You are an airport security screener. For every passenger who passes through your security checkpoint, you must decide whether to select the passenger for further screening based on your assessment of whether he or she is carrying a weapon. Suppose your null hypothesis is that the passenger has a weapon. As in hypothesis testing, there are four possible outcomes of your decision: (1) You select the passenger for further inspection when the passenger has a weapon, (2) you allow the passenger to board her flight when the passenger has a weapon, (3) you select the passenger for further inspection when the passenger has no weapon, and (4) you allow the passenger to board her flight when the passenger has no weapon.
1. Which of the following outcomes corresponds to a Type I error?A. You allow the passenger to board his flight when the passenger has a weapon.B. You select the passenger for further inspection when the passenger has no weapon.C. You allow the passenger to board his flight when the passenger has no weapon.D. You select the passenger for further inspection when the passenger has a weapon.2. Which of the following outcomes corresponds to a Type II error?A. You allow the passenger to board his flight when the passenger has no weapon.B. You select the passenger for further inspection when the passenger has no weapon.C. You select the passenger for further inspection when the passenger has a weapon.D. You allow the passenger to board his flight when the passenger has a weapon.As a security screener, the worst error you can make is to allow the passenger to board his flight when the passenger has a weapon. The probability that you make this error, in our hypothesis testing analogy, is described by _____.

Answers

Answer:

1. A. You allow the passenger to board his flight when the passenger has a weapon.

2. B. You select the passenger for further inspection when the passenger has no weapon.

Explanation:

1. Remember, a Type I error in simple words means that the assumption "the passenger has a weapon" (null hypothesis) is actually true, but the airport security screener incorrectly concluded it is false. In other words, he assumed the passenger had no weapon and allowed the passenger to board his flight when he actually did have one.

2. While, a Type II error means that the assumption "the passenger has a weapon" (null hypothesis) is actually false, but the airport security screener incorrectly concluded it is true. In other words, he assumed the passenger had a weapon and selected the passenger for further inspection when he actually didn't have one.

2^4c^-10 to a fraction

Answers

The given expression is

$2^4c^{-10}$

We have to solve the power of 2.

$(2\cdot2\cdot2\cdot2)c^{-10}=16c^{-10}$

Then, we use the property for negative exponents.

$a^{-b}=\frac{1}{a^b}$

This means we have to move the power to the denominator.

$\frac{16^{}}{c^{10}}$Therefore, the fraction is$\frac{16}{c^{10}}$

Find the mean of the data set:

87,79,92,71,88,70,91,82,85
Round your answer to the nearest tenth.

Provide your answer below:

Answers

The mean of the data set is 82.77

How to calculate the mean of the data set?

If we want to find the mean, we would have to put it at the back of our minds that the mean is the same as the average. As such, we would have to take the sum of all the values that have been listed in the data set and divide by the total number of the data.

The first step is to arrange the data set orderly from smallest to largest;

70, 71,79, 82,88,85,87,91,92

We have nine values in the data set thus the mean is;

70+71+79+82+88+85+87+91+92/9= 745/9= 82.77

Hence the mean of the data set is 82.77

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You are offered a job that pays $34,000 during the first year, with an annual increase of 5% per year beginning in the second year. That is, beginning in year 2, your salary will be 1.05 times what it was in the previous year. What can you expect to earn in your fourth year on the job?

In your fourth year on the job, you can expect to earn $______
(Round to the nearest dollar)

Answers

In your fourth year on the job, you can expect to earn $41,327.

What is simple interest?

Simple interest is a method of calculating the interest charge. Simple interest can be calculated as the product of principal amount, rate and time period.

Simple Interest = (Principal × Rate × Time) / 100

Compound interest is a method of calculating the interest charge. In other words, it is the addition of interest on interest.

Compound Interest =P(1+r/n)^rt

We are given that;

In this case, P = 34,000, r = 0.05, and n = 4.

Plugging these values into the formula, we get:

A = 34,000(1 + 0.05)^4

A = 34,000(1.05)^4

A = 34,000(1.2155)

A = 41,327

Therefore, by the simple interest the answer will be $41,327.

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I need help this is geometry

Answers

Answer: 6 a: 1=30 2=44, 3=106 4=30

Step-by-step explanation:

well, 3 is the opposite of 106 so they are equal, 2 is the opposite of 44 so they are equal, then you can just take the straight line and subtract the ones around it from 180 to find the 1 or 4, so 180-106, then 74-44=30. then because 1 and 4 are on opposite sides, they are equal. Sorry for not having enough times for all problems, but to help with 6 and 7, just remember that opposites are equal (you can use in 6b and 7a) and the if they make a straight line they make 180 degrees (use in 7b)

Simplify (−3)4 and −34. Show all the work

Answers

Answer:

-12

Step-by-step explanation:

(-3)4

-3*4

-12

Elaborate ur question about - 34

Find the output, y, when the input, x, is -9.
y =

Answers

Answer:

when x=-9, y=1

Step-by-step explanation:

the graph shows when the x is at -9, the y is at 1

a can complete a piece of work in 10 days B can do it in 12 days C can do it in 15 days in how many days will they finish the work if they work together

Answers

YOUR ANSWER IS IN THE ATTACHMENT.

hope it helps you

a can complete a piece of work in 10 days B can do it in 12 days C can do it in 15 days in how many days

Find the midpoint M of the line segment joining the points S=(-2,8) and T=(6,-2)

Answers

Step-by-step explanation:

$ \frac{6 + ( -2)}{2} = 2$

this is for x

$ \frac{ - 2 + 8}{2} = 3$

this is for y

so it will become (2,3)

A new building in the shape of a square pyramid is to be constructed. The slant height will be five times the side length of the base. There will be between 20,000 square feet and 50,000 square feet of construction material used for the outside of the building. What would be the maximum possible side length of the base of the building? Round your answer to the nearest foot.

Please explain how to solve this problem, not just the answer.

Answers

The area of the square pyramid building is the amount of space on it

The maximum base length of the building is 67.42 cm

How to determine the maximum side length?

The given parameters are:

Base = b

Slant height (l) = 5b

The lateral surface area is calculated using:

L = 2bl

So, we have:

L = 2 * b * 5b

Evaluate the product

L = 10b^2

The total surface area is calculated using:

T = L + b^2

So, we have:

T = 10b^2 + b^2

Evaluate the sum

T = 11b^2

The maximum surface area is 50,000 square feet

So, we have:

11b^2 = 50000

Divide both sides by 11

b^2 = 50000/11

Take the square root of both sides

b = 67.42

Hence, the maximum base length of the building is 67.42 cm

Answers

5 + 6 = 11

5 x 6 = 30

a sprinkler that sprays waiter in a circular area

Answers

Can you put more of the question

chau made $270 for 18 hours of work. At the same rate, how many hours would he have to work to make $105

Answers

Answer:

7 hours

Step-by-step explanation:

here,

270/18=105/x

x=(105*18)/270

x=7

Chau made $270 for 18 hours of work. At the same rate, Therefore Chau would have to work 7 hours at the same rate to make $105.

To find out how many hours Chau would have to work to make $105 at the same rate, we can set up a proportion using the given information:

Let x be the number of hours Chau needs to work to make $105.

We know that Chau made $270 for 18 hours of work, so the rate of earnings per hour is:

Rate = Total earnings / Number of hours

Rate = $270 / 18 hours

Rate = $15 per hour

Now, we can set up the proportion:

$15 per hour = $105 / x hours

To find x, we can cross-multiply:

$15 × x = $105

Now, solve for x:

x = $105 / $15

x = 7 hours

So, Chau would have to work 7 hours at the same rate to make $105.

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PLEASE WHAT IS THIS?!!? WHATS THE ANSWER?

Answers

Answer: bottom right

11+m>15 what’s the answer for this problem?

Answers

Answer:

m > 4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

11 + m > 15

Step 2: Solve for m

Subtract 11 on both sides: m > 4

Here we see that any value m greater than 4 would work as a solution to the inequality.

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write a multiplication statement and a division statement for each question 1. 8 five-dollar bills are worth 40 2. there are 9 thirds in 3 ones

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write a multiplication statement and a division statement for each question
1. 8 five-dollar bills are worth 40
2. there are 9 thirds in 3 ones