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3 years ago

If a race car averages 155 miles per hour for 4 hours, how far does the car travel?

Mathematics

2 answers:

Mkey [24]3 years ago

5 0

Answer:

620 miles

Step-by-step explanation:

All you would have to do is multiply 155 times 4 which would give you 620.

nekit [7.7K]3 years ago

4 0

Answer:

620 miles

Step-by-step explanation:

All you would have to do is multiply 155 times 4 which would give you 620 miles.

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You buy 30 of your favorite songs from a Web site that charges $0.98 for each song. What is the cost of 30 songs? Use mental m

zubka84 [21]

If you are going to use mental math, round $0.98 up to $1.

Rounded, the cost of the 30 songs is $30.

However, since you rounded at the beginning, you need to subtract 2 cents for every song you purchased from the total of $30.

Multiply 30 by $0.02 to get $0.60. Subtract $0.60 from $30.

Your answer should be $29.40.

6 0

3 years ago

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Michelle plans on raising $80 for her softball team. To raise the money, she is selling team shirts for $10 each.

8_murik_8 [283]

Given:

Michelle plans on raising $80.

Selling price of each shirt = $10

So far she has raised $20.

To find:

The number of more shirts she needs to sell.

Solution:

Let x be the number of more shirts she needs to sell.

Selling price of one shirt = $10

Selling price of x shirt = $10x

Total raising amount = $(10x + 20)

Michelle plans on raising $80. So,

$10x+20=80$

Subtract both sides by 20.

$10x=80-20$

$10x=60$

Divide both sides by 10.

$x=\dfrac{60}{10}$

$x=6$

So, the required equation is $10x+20=80$

Therefore, the correct option is A.

6 0

3 years ago

The surface area of a cube is 24 cm squared. What would the surface are of the prism be if each dimension were quadrupled?

kenny6666 [7]

CubeSA=6 squares
SA=6s^2
SA=24
24=6s^2
divide 6
4=s^2
2=s

quadrupled means times 4
2*4=8
8=new side
sub back
SA=6(8^2)
SA=6(64)
new SA=384 cm^2

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3 years ago

A summer camp is organizing a hike and needs to buy granola bars for the campers.

Lesechka [4]

Answer:

They bought 7 small boxes and 10 large boxes

Step-by-step explanation:

Look at picture

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3 years ago

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I need to understand the solution

vovangra [49]

Answer:

7/15 is your answer

Step-by-step explanation:

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3 years ago