3 years ago

Find the percent change from the first value to the second. 60; 90

Mathematics

2 answers:

lys-0071 [83]3 years ago

5 0

Answer:

50%

Step-by-step explanation:

((90 - 60) /60)*100=50%

Alik [6]3 years ago

3 0

Answer:

30 percent

Step-by-step explanation:

90 - 60 = 30

you just have to subtract...

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2 years ago

If a,b,c,d, and e are non negative such that x^6-289x^4-x^2+289=(x-a)(x+b)(x_c)(x+d)(x^2+ex+1), what is the value of a+b+c+d+e?

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Answer:

Step-by-step explanation:

Hello,

If $X=x^2$ it becomes

$X^3-289X^2-X+289=(X^2-1)(X-289)$

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So,

$x^6-289x^4-x^2+289=(x^2-1)(x^2+1)(x^2-289)=(x-1)(x+1)(x+17)(x-17)(x^2+1)$

a = 1

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c = 17

d = 17

e = 0

Then a + b + c + d + e = 36

Thanks

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