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Mekhanik [1.2K]
4 years ago
12

A book sold 39,200 copies in its first month of release. Suppose this represents 8.7% of the number of copies sold to date. How

many copies have been sold to date?
Round your answer to the nearest whole number.

Mathematics
1 answer:
daser333 [38]4 years ago
6 0

Answer: 450574.7126 which rounds up to 450575

Step-by-step explanation: Do cross multiplication

100        X  

----- x  ---------

8.7     39200

100 x 39200 = 3920000/ 8.7 = 450574.7

TO CHECK ANSWER

450574.7216 x 8.7% ( convert to decimal .087) = 39200

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vaieri [72.5K]

Answer:

x=-5\quad \mathrm{or}\quad \:x=5

C is your answer

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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Please, if you are given a graph or graphs, share them along with all instructions for the problem at hand.  Thank you.

8 0
4 years ago
What are the solutions of the equation -x^2+8x+5=0
defon

First you get a graphing calculator & enter the equation into y = then hit graph . then hit graph & y= to get the table find where y is 0 and those will be you answers

(-0.583, 0) (8.583, 0)

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3 years ago
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kvv77 [185]
Hello There =)

Commutative property is used. The commutative property <span>states that two numbers can be multiplied in either order.</span>


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