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AleksandrR [38]

3 years ago

14

Jenelle is hanging photos on a wall that is 8 7/8 feet long. She wants to hang a canvas in the middle of the wall that is 11 1/4

inches long. How far from each side will the canvas be once it is centered on the wall?

1 answer:

Tanzania [10]3 years ago

7 0

Answer:

13.625

Step-by-step explanation:

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you can read an average of 40 pages per night. if you have already read 120 pages, how many more nights will it take to read a 5

gtnhenbr [62]

Answer:

10.8

Step-by-step explanation:

first, you subtract 552 and 120 to find the remaining of pages there is left.

552-120=432

now, since we know how much is left, all we have to do is divide it with 40.

432÷40=10.8

so, it will take 10.8 days to finish reading the book.

*edit

4 0

3 years ago

In an endurance race, Rachel ran

Reil [10]

Answer:

$31\frac{1}{5}\ miles$

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

so

The distance is equal to multiply the speed by the time

we have

$speed=9\frac{3}{5}\ \frac{miles}{hour}$

$time=3\frac{1}{4}\ hours$

$distance=(9\frac{3}{5})(3\frac{1}{4})$

Convert mixed number to an improper fraction

$9\frac{3}{5}=9+\frac{3}{5}=\frac{9*5+3}{5}=\frac{48}{5}$

$3\frac{1}{4}=3+\frac{1}{4}=\frac{3*4+1}{4}=\frac{13}{4}$

substitute

$distance=(\frac{48}{5})(\frac{13}{4})=\frac{624}{20}=31,2\ miles$

Convert to mixed number

$31.2\ mi=31+0.2=31+\frac{1}{5}=31\frac{1}{5}\ miles$

3 0

3 years ago

Find two numbers whose difference is 176 and whose product is a minimum.

Zanzabum

Let the two required numbers be x and y, then x - y = 176, thus y = x - 176.

Let the product of the two numbers be represented by

$P = xy x(x - 176) = x^2 - 176x$

For the product to be minimum, $\frac{dP}{dx} =0$

$\frac{dP}{dx} =2x - 176=0 \\ \\ \Rightarrow2x=176 \\ \\ \Rightarrow x=88$

Thus, y = 88 - 176 = -88

Therefore, the two numbers are 88 and -88.

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4 years ago

What happens to a line when it is rotated ?

SSSSS [86.1K]

It becomes verticle unless its already verticle then it become horizontal

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I need some help. what is 3a-5b

Gelneren [198K]

-2ab I'm not positive but I think

5 0

3 years ago