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3 years ago

In 3 1/8 hours Aldo reads 7 1/2 chapters. What is the unit rate in chapters per hour ?

Mathematics

1 answer:

geniusboy [140]3 years ago

8 0

Use a calculator

Just look up how to find unit rates and it should be easy

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What is the area of yhe following circle?either an exact answer in terms of or use 3.14 for and enter your ansert as a decimal

Harman [31]

Answer and Step-by-step explanation:

If the radius is 5, then we can plug 5 into the area of a circle equation.

A = $\pi r^{2}$

A = $\pi (5)^{2}$

A = 25 $\pi$

The area of a circle with radius 5 is 25 $\pi$ .

#teamtrees #PAW (Plant And Water)

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2 years ago

What is the value of n in the numerical sentence?

Harlamova29_29 [7]

Answer: n = -2

Step-by-step explanation:

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3 years ago

Calculate the mean of the data set below. (Round to the nearest hundredth.)

ruslelena [56]

If it is the question I just completed it should be A. 76.4

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2 years ago

Vanessa has $60 to spend on rides at the state fair. Each ride cost $4

Maru [420]

She can ride 15 rides because 60/4=15

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2 years ago

Simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers.

Nimfa-mama [501]

<h2>Answer:</h2>

x>0 and working with real numbers

$10x^2\sqrt{2}$

x<0 and working with imaginary/complex numbers

$10\sqrt{2}\sqrt{x^4}$

Leave it like the following for both systems(Real/Complex) numbers

$10\sqrt{2}\sqrt{x^4}$

<h2>Step-by-step explanation:</h2>

$\sqrt{200x^4}$

First simplify $\sqrt{200}$

$\sqrt{200}$

Find a perfect square and a non perfect square, which when you multiply the two squares it gives you $\sqrt{200}$

$\sqrt{100} * \sqrt{2} = \sqrt{200}$

$\sqrt{100} \ \sqrt{2}}$

$10 \sqrt{2}$

Now get the square root of $\sqrt{x^4}$ if we are working with real numbers and x > 0

$\sqrt{x^4} = x^2$

If x not > 0 then just leave as $\sqrt{x^4}$

Now combine it all

$10x^2\sqrt{2}$

$10\sqrt{2}\sqrt{x^4}$

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2 years ago