3 years ago

Please help me this is for a grade

Mathematics

1 answer:

IgorC [24]3 years ago

4 0

Answer:

Step-by-step explanation:

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The factor tree below provides the factors of 18. What is the prime factorization of 18?

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The prime factorization of 18 is
2 × 3²

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klio [65]

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Step-by-step explanation:

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4 years ago

if y varies directly as x, and y=72 when x=8 an equation that relates x and y is? and if y varies directly as x, and y=98 when x

balu736 [363]

Answer:

a) $y=9x$

b) $y=7x$

Step-by-step explanation:

In both parts of the problem y varies directly as x. So, they have the following form:

$y=kx$

Where k is the constant of proportionality.

Therefore, you must find k and then write the equations.

a) Solve for k:

$k=\frac{72}{8}\\k=9$

Then, the equation is:

$y=9x$

b) Solve for k:

$k=\frac{98}{14}\\k=7$

Then, the equation is:

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3 years ago

Clara's goal is to practice the piano 6 hours this week. If she already practiced 3 1/6 hours. How much more hours does she need

Serggg [28]

6 = 36/6
3 1/6 = 19/6
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