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Alik [6]
3 years ago
9

An equation stating that two ratios and rates are equivalent is a (n)

Mathematics
1 answer:
den301095 [7]3 years ago
7 0
A proportion is an equation that states that two ratios are equal
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The side lengths of a rectangle are described as (2x−3) inches and (5x+7) inches.
anastassius [24]

Answer:

  (a)  10x^2−x−21

Step-by-step explanation:

The area of a rectangle is given by the formula ...

  A = LW . . . . . where L is the length, and W is the width

__

The area of the given rectangle will be ...

  A = (2x -3)(5x +7)

This product is simplified using the distributive property to eliminate parentheses. Then like terms are combined.

  A = 2x(5x +7) -3(5x +7)

  = (2x)(5x) +(2x)(7) -3(5x) -3(7)

  = 10x^2 +14x -15x -21

  A = 10x^2 -x -21

The expression 10x^2 -x -21 represents the area of the rectangle in square inches.

7 0
2 years ago
40 points help me please
Alinara [238K]

Answer:

x=60

Step-by-step explanation:

(1/6)(x+6)=11

Multiply both sides by six:

(6)(1/6)(x+6)=11(6)

x+6=66

Take six from both sides:

x+6-6=66-6

x=60

4 0
2 years ago
Read 2 more answers
1. Penny makes 6 liters of applesauce. She saves 0.64 liter for dinner and puts the rest in jars. If each jar holds 0.67 liter,
inessss [21]

Step-by-step explanation:

so, we fill only 6-0.64 = 5.36 liters into the jars.

therefore,

5.36 / 0.67 = 8

she can fill 8 jars.

5 0
2 years ago
Which of the following is not preserved under a dilation?
Helga [31]
C distance is the only thing that isn't preserved under a dilation

3 0
3 years ago
Agree or desagree ? ..........​
jok3333 [9.3K]

Answer:

Disagree.

If you rotate the octagon 90° it will look the same.

<em>good luck, i hope this helps :)</em>

7 0
3 years ago
Read 2 more answers
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