2 years ago

Factor the gratest common factor: -5k^2+20k-30

Mathematics

1 answer:

kumpel [21]2 years ago

6 0

Answer:

±5

Step-by-step explanation:

-5k²+20k-30

if u look at the equation ±5 are the greatest common factors so we ±5(±k²±4k±6)

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mel-nik [20]

Answer:

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Step-by-step explanation:

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2 years ago

What is the sum of the roots of the quadratic equation x²+6x-14=0?

aivan3 [116]

Answer:

<h3>Sum of Roots =<u> (-8)</u><u> </u><u> </u></h3><h3>Product of Roots = <u> </u><u> </u><u>(-84)</u><u> </u><u> </u></h3>

Step-by-step explanation:

${x}^{2} + 6x - 14 = 0$

Roots :- 6 and -14

Sum of the roots :

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Product of the roots :

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3 years ago

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The perimeter of a rectangle is 84 Centimeters. the length is twice the width. find the length and width

KatRina [158]

Length= 28
Width= 14

Work:

2(2x)+2(x)=84
4x+2x=84
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3 years ago

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Akimi4 [234]

1. x <= 31
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For number 2, x is less than 28 because the number of students (represented by x) in each class will always be less than 28.

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