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3 years ago

Stuck on two. Plz help. Pre-all is hard

Mathematics

1 answer:

algol [13]3 years ago

7 0

Gncgbvcrvbshj hnctvvdf

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Write an equivalent expression to 9y -1/2(4y+20)

Leya [2.2K]

An equivalent expression could just be one that is simplified. So we get 9y - 2y - 10 if we distribute the 1/2, which is 7y - 10.
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Hope this helps!
==jding713==

6 0

4 years ago

Read 2 more answers

What is the sum? 3 y / Y 2 + 7 y + 10 + 2 / y + 2

kap26 [50]

Answer:

5/(y+5)

Step-by-step explanation:

Perhaps you want the sum ...

$\dfrac{3y}{y^2+7y+10}+\dfrac{2}{y+2}\\\\=\dfrac{3y}{(y+2)(y+5)}+\dfrac{2(y+5)}{(y+2)(y+5)}=\dfrac{3y+2(y+5)}{(y+2)(y+5)}\\\\=\dfrac{5y+10}{(y+2)(y+5)}=\dfrac{5(y+2)}{(y+2)(y+5)}=\boxed{\dfrac{5}{y+5}}$

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<em>Comment on rational expressions</em>

When writing ratios in plain text, it is imperative to put parentheses around numerators and denominators. (If the numerator is a product only, then parentheses are optional.)

Your expression might be properly written as ...

3y/(y^2 +7y +10) +2/(y+2)

As you have written it, it simplifies to ...

3(y/y)2 +7y +10 +2/y +2 = 3·2 +7y +2/y +12

= 7y +2/y +18

Please note, too, the exponentiation symbol (^).

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3 years ago

A falcon flying at a height of 150 yards spots a sparrow flying at a height of 50 yards. The location of the sparrow makes an an

lara31 [8.8K]

Answer:the answer is 90 u welcome text me back if wrong armstrongtamarion

Step-by-step explanation:

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3 years ago

Rewrite 19/19 as a whole number

Elis [28]

The answer is 1.

Because if you simplify (divide) 19/19 you get one.

4/4 would also be 1. Any number divided to itself will always be 1.

Whereas 30/15 would be 2 because thirty divided by fifteen is 2

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3 years ago

A rectangular backyard has dimensions represented by the expressions shown. which expression represents the perimeter of the bac

tester [92]

Answer:

Do you have the figure Friend?

If yes please attach it too!

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4 years ago