MATHEMATICS MIDDLE SCHOOL

A youth chorus has 30 members. There are 14 boys in the chorus. What is the ratio of boys to girls in simplest form?

A.7/15


B.8/15


C.7/8


D.8/7

Answers

Answer 1
Answer: so boys to girls=

14 boys
30-14=girls=16

boys to girls=14:16
treat it as a fraction
14/16
simplify
divide 2
7/8
that's simplest form
7/8 or C is the answer
Answer 2
Answer:

Answer:

your answer would be c. 7/8

Step-by-step explanation:

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Rewrite 6/4 as a percent

Answers

Now move the decimal point two places to the right to change it to percent and you will get 150%

all you have to do is divide it with decimals then move the decimals into the back and make it a percent 
6/4 = 1.5 x 100 = 150%

A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds. What is the rate of change of the weight of the elephant? A) 400 pounds per year B) 429 pounds per year C) 457 pounds per year D) 466 pounds per year

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I believe A is correct, but im not completely sure.

Describe two ways to write equivalent algebraic expression

Answers

Algebraic expressions are strings of numbers, variables and mathematical operations. Equivalent expressions are those that look different but turn out to be the same. For example: 4 * ( x + 5 ) = 4 x + 20. Or x^2 - 1 = ( x + 1 ) * ( x - 1 ).

What is the answer to 80x34

Answers

What is 80 × 34 = ?

80 × 34 = 2720

So, 80 × 34 = 2,720.

Hope I helped ya!! 
♥ The X is meaning to times this equation.
♥ Time/Multiply.
♥ You can see this as • x or * when doing multiplication.
♥ Therefore if we solve:
♥ 80*34 we get 
♥ 2720

I need this question to be answered right away!!!!!

Answers


The surface area doesn't depend on the unit you use to describe it,
but the number in the description does.

Definition:                                  1 cm  =  10 mm

Square each side:                 (1 cm)²  =  (10 mm)²

                                        (1)² · (cm)²  =  (10)² · (mm)²

                                                1 cm²  =  100 mm²

So if the area is 100 cm² but you want to describe it in mm² instead,
the number will become bigger.

Choice-C says this.

Eddie has saved up $45 to purchase a new camera from the local store. The sales tax in his county is 7% of the sticker price. Write an equation and solve it to determine the value of the highest priced camera Eddie can purchase with his $45, including the sales tax. Round your answer to the nearest penny.x − 0.07x = 45; $48.39
0.7x = 45; x = $64.29
7x = 45; x = $6.43
x + 0.07x = 45; x = $42.06

Answers

Let the price (before tax) be x. The tax is 7% of x, so it is 0.07x. The price plus the tax add up to $45. x + 0.07x = 45
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