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Pepsi [2]
3 years ago
7

Help plz :)..............​

Mathematics
2 answers:
Art [367]3 years ago
8 0
Hello! What type of work is that so I can specifically know! :)
skelet666 [1.2K]3 years ago
6 0

Answer:

The value of x and y is -2 and 3

step by step explaination:

7x + 3y = -5 be equation 1st and x + y =5 be equation 2nd and multiply equation 2nd by 3 then subtract it .

then we get,

7x + 3y = -5

3x + 3 y= 3

(-). (-). (-)

_________

4x. = -8

x =. - 8/4

x = -2

substitute the value of x in equation in 1

7x +3y = -5

7* (-2) + 3y = -5

-14 + 3y = -5

3y = 14-5

y =9/3

y=3

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Answer:

The percent of increase in height of the stalks is 20%.

Step-by-step explanation:

The general formula for a percent increase is as follows:  (Original Amount - New Amount/Original Amount) x 100.  The original height of the stalks was 60 inches tall.  The new height of the stalks is 72 inches.  In the numerator of our fraction, we take 72-60 to get 12.  Our denominator is the original amount, or 60.  This gives us an overall fraction of 12/60, which when we divide gives us 0.2.  Once we multiply our decimal by 100, we get an overall percent increase of 20%.

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3 years ago
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allsm [11]
What’s the question tho
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What's the answer to this question -16-4
Finger [1]
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Hope that helped :)
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3 years ago
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