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Misha Larkins [42]
3 years ago
8

A test was marked out of 80. Aboy scored

Mathematics
1 answer:
GREYUIT [131]3 years ago
6 0

Answer:

B

Step-by-step explanation:

To solve this you do 80/100=.8

You than do .8×60= 48

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Write a quadratic function h whose zeros are 5 and -7
marin [14]

Quadratic function whose zeros are 5 and -7 is x^2+2x-35=0

Step-by-step explanation:

Write a quadratic function h whose zeros are 5 and -7

If 5 and -7 are zeros of quadratic function then:

x=5 and x=-7

or x-5 = 0 and x+7=0

So, Finding quadratic equation:

(x-5)(x+7)=0\\x(x+7)-5(x+7)=0\\x^2+7x-5x-35=0\\x^2+2x-35=0

So, quadratic function whose zeros are 5 and -7 is x^2+2x-35=0

Keywords: Quadratic Function

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