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GaryK [48]
3 years ago
11

Can you please tell me the answer

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

Answer:D 45

Step-by-step explanation:I haven't done this in a long time but from my knowledge it is 45 because the triangle has to add up to 180 and you do 45+45 which will get you 90 leaving you with 2x and x would 45 as well and you would do 2 x 45= 90 and that is how you solve 2x.

But the answer to the question is 45 or D

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Answer:

Step-by-step explanation:

let : x The length and y the width you have this system :

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put the value for x in (1):  (y+10)y =60

the quadratic equation is : y² +10y - 60 = 0

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Δ =10² - 4(1)(-60) = 324 =18²

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Thus,<ABC would be
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