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Art [367]
4 years ago
12

Jhonny has read 115 pages of a 305-page book. He reads 10 pages each day. How many days will it take to finish?

Mathematics
1 answer:
WINSTONCH [101]4 years ago
7 0

Answer:

It will take 19 days until johnny finishes reading the book.

Step-by-step explanation:

305=115+10x

190=10x

x=19

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A gift box in the shape of a rectangular prism has 20-inch length, 14-inch width, and 10-inch height. How much paper will you ne
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Step-by-step explanation:

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I think it’s 48 but are those the only answer choices???
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What time is 2 1/2 hours before 1 a.m.
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an investment is expected to pay 5 per year compounded continuously. If you want the value of the investment to be $700,000 afte
andre [41]
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8 0
4 years ago
Solve the simultaneous equation :<br><br> 4x+2y=17<br> 3x+2y=14
enot [183]

Answer:

(x, y) = (3, 5/2)

Step-by-step explanation:

4x+2y=17\\3x+2y=14

I'll solve by elimination here. If you invert the second equation and add it to the first, 2y and -2y would cancel out.

4x+2y=17\\-(3x+2y=14)

Now just add those from top to bottom.

\rightarrow (4x-3x)+(2y-2y)=17-14\\\rightarrow x=3

Nothing else needs to be done for that part. Now, you can pick either equation and use the known value of x to solve for y.

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(x, y) = (3, 5/2)

6 0
3 years ago
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