3 years ago

John earns $12 in 2/3 of an hour what is the unit rate

1 answer:

8 0

To answer this question we have to divide 2/3 by 12.
To divide fractions multiply by the reciprocal of the second fraction.

2 1 2 1
_ x __ = __ (simplify) = __

3 12 36 18

The correct answer is 1/8

Hope this helped! Please comment or DM me if you have any questions or still need help. :)

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The area of a compact disc is 452 4/7 square centimeters. What is the diameter of a compact disc ? Use 22/7 as an approximation

motikmotik

$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ \cline{1-1} A=452\frac{4}{7} \end{cases}\implies 452\frac{4}{7}=\pi r^2\implies \cfrac{3168}{7}=\pi r^2 \implies \cfrac{3168}{7\pi }=r^2 \\\\\\ \stackrel{\pi =\frac{22}{7}}{\cfrac{3168}{7\cdot \frac{22}{7}}}=r^2\implies \cfrac{3168}{22}=r^2\implies 144=r^2\implies \sqrt{144}=r\implies 12=r \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{diameter=2r}{d=24}~\hfill$

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3 years ago

An Information Services Manager is purchasing a large number of word processing software licenses at a cost of $125 each. the so

dangina [55]

Answer:

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17300=.965(125X)

17927.46=125X

143.41=X

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3 years ago

The perimeter of a rectangle is 50 inches the length of the rectangle is 17 inches He cuts out another rectangle that is the sam

Brums [2.3K]

Step-by-step explanation:

A rectangle: P=2l+2w or P=2(l+w) (same formula written differently)

50=2x17+2w

50=34+2w

2w=50-34

2w=16

w=16÷2=8

Since it says twice as wide then we will multiply w with 2

2xW

2x8=16 which is the width of the 2nd rectangle

Hope this helps :)

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2 years ago

Suppose that $2000 is loaned at a rate of 20%, compounded semiannually. assuming that no payments are made, find the amount owed

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3 years ago

Use the image to determine the value of “X”

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C. X= 18

ex:
4x-7=7x-61
(They equal eachother)
you solve and get 18

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3 years ago