2 years ago

Which choice shows y=3x+2 and y=3x2 correctly paired with their graphs?

Mathematics

1 answer:

Blababa [14]2 years ago

7 0

Answer:

The second one

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Helen [10]

Answer:

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Step-by-step explanation:

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2 years ago

The variable z is directly proportional to x, and inversely proportional to y. When x is 20 and y is 6, z has the value 66.66666

sergejj [24]

Answer:

41.667 to the nearest thousandth.

Step-by-step explanation:

z = kx/y where k is the constant of proportionality.

Inserting the given values:

66.666666666667 = k*20/6

20k = 6*66.666666666667

k = 6*66.666666666667 / 20

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So the equation of variation is z = 20x /y

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3 years ago

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o-na [289]

Answer:

$\large\boxed{5x(6x-x-2)}\\\\\boxed{-5(-6x^2+x+2)}\\\\\boxed{5(2x+1)(3x-2)}$

Step-by-step explanation:

$30x^2-5x-10=5(6x^2-x-2)=5(-1)(-6x^2+x+2)=-5(-6x^2+x+2)\\\\30x^2-5x-10=30x^2+15x-20x-10=15x(2x+1)-10(2x+1)\\\\=(2x+1)(15x-10)=(2x+1)(5)(3x-2)=5(2x-1)(3x-2)$

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3 years ago

What is 87 x 54 - 200 divided by 7

Svet_ta [14]

Answer:

87 x 54 - 200 divided by 7
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answer-32686.7

Step-by-step explanation:

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3 years ago