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4 years ago

If Hilary reads at this same rate for 20 minutes, how many words will she have read

1 answer:

4 0

It depends on how many words she can read a minute. If I'm thinking right this question is unanswerable until you figure that out.

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Larry wants to enlarge a cube with edges of 3cm so that it's volume will be 8 times larger. How long must each edge of the enlar

Monica [59]

The answer is 6 inches, 3*3*3 equals 27, the current volume of the cube, 27*8 equals 216, the new volume, 6*6*6 equals 216, so the side lengths equal 6 inches.

6 0

3 years ago

Mary Beth would like to buy a more fuel-efficient vehicle instead of driving her mom's gas-guzzler. Assuming she can find a car

ozzi

Answer:

2x as much

Step-by-step explanation:

First write as an equation:

3000/16*3.75

Then that equals:

0.5

So that means her mom's car would be half as efficent as the new one

8 0

3 years ago

Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next test so that her average (mean

Lyrx [107]

Answer:

She needs a grade of 71 on her next text.

Step-by-step explanation:

Mean of a data-set:

The mean of a data-set is the sum of all values in the data-set divided by the number of values.

Tammy has scored 82, 78, and 93 on her previous three tests.

Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.

There are 4 tests.

What score does she need on her next test so that her average (mean) is 81?

We have to find x when the mean is 81. So

$\frac{82 + 78 + 93 + x}{4} = 81$

$253 + x = 324$

$x = 324 - 253$

$x = 71$

She needs a grade of 71 on her next text.

5 0

3 years ago

The line a bus arrives at the bus stop every 25 minutes and the line B bus arrives every 15 minutes. Both are at the bus stop ri

Tpy6a [65]

They will be there for 40 minutes because 25+15 is 40

6 0

4 years ago

How many centimeters are there in 12 yards?

aliya0001 [1]

Answer:

Answer is 1097.28 cm

Step-by-step explanation:

prove me wrong

4 0

1 year ago

Read 2 more answers