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3 years ago

7

Mr. kelly uses an expression to represent the perimeter of a square. Rewrite the expression to represent the length of a side of

the square. P=8x+20

1 answer:

nikklg [1K]3 years ago

3 0

Answer:

Step-by-step explanation:

P = 8x + 20

4*side = 8x + 20

side = (8x + 20)/4

= 8x/4 + 20/4

side = 2x + 5

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In each part, a and b represent the length of a leg of a right triangle, and c represents the length of its hypotenuse. Find the

Pie

Answer:

c=13 and a=20

Step-by-step explanation:

Here you need to use the Pythagoras theorem :

c²=a² + b²

c = √a² + b²

c = √(12)²+(5)²

c= √144+25

c = √169

c = 13

2) c²=a²+b²

b= √c²-b²

b= √(29)²-(21)²

b = √400

b = 20

In 2 you change your formula just so that it can be easier and just calculate your length straight forward but you can also just do it in the original equation

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3 years ago

WILL MARK BRAINLIEST!!!!PLZ HELP!!!! An expression is shown below: 3pf2 − 21p2f + 6pf − 42p2 Part A: Rewrite the expression by f

Lesechka [4]

Answer:

See below.

Step-by-step explanation:

So, we have:

$3pf^2-21p^2f+6pf-42p^2$

PART A:

Find the GCF. Notice that we have a 3 in every term and a p in every term. Thus, the GCF is 3p:

$3p(f^2-7pf+2f-14p)$

This is the most we can do.

PART B:

Continue from where we left off. Factor the entire expression:

$3p(f^2-7pf+2f-14p)\\3p(f(f-7p)+2(f-7p))\\3p((f+2)(f-7p))$

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3 years ago

Mind giving me help on this?? :0

sergey [27]

Answer:

no

Step-by-step explanation:

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fgiga [73]

A equivelint ratio is when u can multi or divide by both sides

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3 years ago