3 years ago

« In simplified form, V18 is _

Mathematics

1 answer:

zysi [14]3 years ago

6 0

Answer:

3V2

Step-by-step explanation:

V18

V9 times 2 equals 18

V3 to the second power because 3 times 3=9 so we get 3V2

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Resiprocal of (-3/7)^2!

USPshnik [31]

Answer:

$\frac{49}{9}$

Step-by-step explanation:

Given

$(\frac{-3}{7})^{2!}$

Required

Determine the reciprocal

If a number is x, the reciprocal is: 1/x

So, the reciprocal of $(\frac{-3}{7})^{2!}$ is:

$\frac{1}{(\frac{-3}{7})^{2!}}$

$2! = 2*1 =2$

So, we have:

$\frac{1}{(\frac{-3}{7})^{2}}$

$\frac{1}{(\frac{-3^{2}}{7^{2}})}$

Evaluate all exponents

$\frac{1}{(\frac{9}{49})}$

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$\frac{49}{9}$

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3 years ago

Jimmy can run 3.5 miles in 20 minutes. How far can he run in one hour and ten minutes?

Dmitry [639]

Answer:

12.25 miles

Step-by-step explanation:

We can write a proportion to solve. Miles over time in minutes

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--------------- = --------------

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