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mart [117]
2 years ago
7

Plzzzzzzzzhellpppppppmeeee please! We will be besties if ur2 help me!

Mathematics
1 answer:
lisov135 [29]2 years ago
8 0

Answer:

d. y=-1; x=7

Step-by-step explanation:

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a triangle witih side lengths of 12,16,20

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Kim buys a coffee for 0.85 and a roll for 1.70 he give 5 dollares how much does he get back
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$2.45

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if she paid with a 5 and needs change you do

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2 years ago
What are the x-intercepts of y=2x^2+6x-20?
NISA [10]

Answer:

the x-intercepts are -5 and 2

Step-by-step explanation:

y=2x^2+6x-20

x-intercept is when y is set equal to zero

So, y = 0

0 = 2x^2+6x-20

2x^3+6x-20 = 0\\Taking \ 2 \ common\\2(x^2+3x-10) = 0\\Dividing \ both \ sides \ by \ 2\\x^2+3x-10 = 0\\Using \ mid\ term \ break \ formula\\x^2+5x-2x-10 = 0\\x(x+5)-2(x+5)=0\\Taking \ (x+5) \ common\\(x+5)(x-2) = 0

Either,

x+5 = 0    <u><em> OR </em></u>    x-2 = 0

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7 0
2 years ago
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