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kkurt [141]
3 years ago
8

Which pair shows equivalent expressions?

Mathematics
2 answers:
Igoryamba3 years ago
5 0
Im pretty sure its a and c but if it cant be both of them then u or ur teacher probably wrote one of them wrong
umka21 [38]3 years ago
5 0

Answer:

its answer is A...as u see inA 10 can be divided by 2 and the answer comes 5 it is equivalent.

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-5-(-2) please help<br>A -30 <br>B30 <br>C-1<br>D1​
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

-3

7 0
3 years ago
Read 2 more answers
B
Alenkinab [10]

Answers:  

hypotenuse = 20 feet

longer leg = 16 feet

======================================================

Explanation:

c = x = length of the hypotenuse

a = x-4 = length of one of the legs

b = 12 = length of the other leg

Use the pythagorean theorem

a^2 + b^2 = c^2

12^2 + (x-4)^2 = (x)^2

144 + x^2 - 8x + 16 = x^2

144 - 8x + 16 = 0 .... the x^2 terms cancel

160-8x = 0

160 = 8x

8x = 160

x = 160/8

x = 20 is the hypotenuse

x-4 = 20-4 = 16 is the longer leg

--------

Check:

12^2+16^2 = 144+256 = 400

20^2 = 400

Since 12^2+16^2 = 20^2 is true, this means we have a right triangle with legs of 12 and 16, while the hypotenuse is 20. The answer is confirmed.

6 0
2 years ago
will ran 4 miles on his first day of training the next day he ran 1/3 that distance how far did he run the second day
tekilochka [14]
He ran 4/3 of a mile the second day
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3 years ago
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Which number line represents all of the values of x for the equation x2 = 49?
Contact [7]
Hello,

x²=49
==>(x+7)(x-7)=0
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3 years ago
How do systems of equations make problems easier to comprehend?
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Http://www.sosmath.com/soe/SE/SE.html
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