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3 years ago

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4 points 12. Michael has been assigned to read 75 pages from his library book this week. He has read 40 of these pages so far. W

hat percent of the reading assignment has Michael completed? O 35% 46 2/3% O 51% 53 1/3%

1 answer:

Pachacha [2.7K]3 years ago

6 0

Answer: 53 1/3%

hope this helps! :)

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Simplify each expression as much as possible, and rationalize denominators when applicable. √18x/(3√x^5)=?

Anni [7]

Answer:

(√2)/x²

Step-by-step explanation:

$\dfrac{\sqrt{18x}}{3\sqrt{x^5}}=\sqrt{\dfrac{18x}{9x^5}}=\sqrt{\dfrac{2}{x^4}}=\dfrac{\sqrt{2}}{x^2}$

_____

Or, maybe you mean ...

$\dfrac{\sqrt{18}x}{3\sqrt{x^5}}=\sqrt{\dfrac{18x^2}{9x^5}}=\sqrt{\dfrac{2x}{x^4}}=\dfrac{\sqrt{2x}}{x^2}$

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3 years ago

Mr. Jackson lengthened the fence along the back of his yard. Before he added 130 feet, the fence was 300 feet long. He divided t

hram777 [196]

Answer:

The answer is A, 86 sections.

Step-by-step explanation:

Step one : Add the 130 feet on to the 300 feet to find the new length of the fence.

130 + 300 = 430

Step two : find how many 5 foot sections he has now, divide 430 by 5.

430/5 = 86

Mr. Jackson can divide the new fence into 86 5-foot sections.

The answer is A, 86 sections.

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3 years ago

Suppose you have entered 79-mile biathlon that consists of a run and a bicycle race. During your run, your average velocity is

kirza4 [7]

Answer:

The distance of the run is 10 miles

The distance of the bicycle race is 69 miles

Step-by-step explanation:

Let:

r = the distance for the run
79 - r = the distance for the bicycle race
t = the time of the run
5 - t = the time of the bicycle race

The run: r = 5t

The bicycle race: 79 - r = 23(5 - t)

Simplify the bicycle race:

79 - r = 115 - 23t
-r = 36 - 23t
r = 23t - 36

Now we have two equations set up for r

r = 5t
r = 23t - 36

We know that r = r, so 5t must equal 23t - 36

5t = 23t - 36
5t + 36 = 23t
36 = 18t
t = 2

Now we know that the run took 2 hours.

Plug it back into the equation for the run to find the distance for the run

r = 5t
r = 5(2)
r = 10

The run is 10 miles

To solve for the bicycle race, we simply subtract 10 from 79, because we know that the two distances combined are 79.

79 - 10 = 69

The bicycle race is 69 miles.

-Chetan K

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3 years ago

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An MP3 player costs $70 and song downloads cost $0.95 each. Write an expression that represents the cost of the MP3 player and x

babunello [35]

Let x represent the number of song downloads and let y represent the total cost

y=0.95x+70

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The pair of points is on the graph of an inverse variation. Find the missing value.

Minchanka [31]

Step-by-step explanation:

here is the answer babe. Feel free to ask for more help

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