MATHEMATICS HIGH SCHOOL

Which expression would represent the cost of one CD, if the total cost for three of them is $36?36-3
3(36)
36/3
3+36​

Answers

Answer 1
Answer:

Answer:

C: 36/3

Step-by-step explanation:

36 ÷ 3 = 12

We solve by using the total amount of dollars and dividing by how many CDs there are
Answer 2
Answer:

Answer:C: 36/3

Step-by-step explanation:

36 ÷ 3 = 12

We solve by using the total amount of dollars and dividing by how many CDs there are

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Solve the equation -13v=195 A. -1/15 B. 15 C. 1/15 D. -15

-85 minus -16


HELP!!!!

Answers

-85-16 is equal to -101

I like to treat this as an addition problem to make it sound simple (may only apply to both being negative)

Ask yourself what is 85+16?
101

The question is asking the opposite negative version of it, meaning add a negative to change your answer to -101 as the final answer.

Answer:-69

Step-by-step explanation:-85 - -16 would be changed to -85+16 because there are two minus signs next to eachother.

If x=at^3 and y=bt^2 then find dy/dx

Answers

dy/dx = (dy/dt) / (dx/dt)

dy/dt = 2bt

dx/dt = 3at^2

therefore dy/dx = 2bt/3at^2
              dy/dx = 2b/3at

jenny went to mall with $120 in her wallet. spent $25.65 on a shirt $4.58 on a snack . how much money does she left

Answers

She started off with 120 then spent 25.65 on a shirt then 4.58 on a snack
25.65 and 4.58 are the numbers that you have to add together then subtract from 120.
so 25.65+4.58=30.28
So then you subtract 30.28 from 120 and get 89.72
She has $89.72 left over
Hope I helped :)
$89.77, you subtract both items from her total and that is what she has left in her wallet

Find the angle measure that makes the statement true. Sin 25° = Cos ____ °

Answers

Since the sine and cosine functions are cofunctions, they are complementary. The format for this is that sinx=cos(90-x). This works for secant and cosecant and tangent and cotangent. So, sin25°=cos65°.

What is 2 and 3/4 divide by 5 and 27/9

Answers

it would be 1.65 in decimal form.  convert it to fraction and thats your answer

HELP ASAP!!!!For which values(s) of a and b is it true that 5a·5b = (5a)b. A) all values of a and b B) a = 0, b = 1 C) a = 1 b = 1 D) a = 2 b = 2

Answers

I believe the answer would be A.

Answer:

D) a = 2 b = 2

Step-by-step explanation:

a = 2 b = 2 is correct. Since the left side simplifies to 5a+b and the right side to 5ab, and 2+2 = 2*2.
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