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Reika [66]
3 years ago
5

Greg runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?

Mathematics
2 answers:
Paladinen [302]3 years ago
7 0

Answer:

4.5

 miles

Step-by-step explanation:

Well, he runs

3

miles in

28

minutes. Also, see that

42

=

28

⋅

1.5

.

So, his journey would just be running

1.5

times, with each time running

28

minutes.

So, he runs a total of

1.5

⋅

3

=

4.5

miles

Dafna1 [17]3 years ago
7 0

Answer:

4.5 miles

Step-by-step explanation:

You divide 28/3 then the answer you get multiply it to 42 = 4.5.

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Is there a picture of the answers to go with this ?
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3 years ago
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Jessica has 12 square tiles that she
Stolb23 [73]

Answer:

List the factors of 12

1,12

2,6

3,4

That is the side lengths of the 3 rectangles

All the areas will be 12 because they are the factors 12

factors multiply to be a number

(length + width) x 2 = perimeter

1+12=13x2=26

1 by 12 has a perimeter of 26 and area of 12

2 by 6 has a perimeter of 16 and area of 12

3 by 4 has a perimeter of 14 and area of 12

Hope this helps. If you have any questions you can ask

Step-by-step explanation:

3 0
3 years ago
What is -1/2- (-2/5)=
Stolb23 [73]
= -1/2- (-2/5)
= -1/2 + 2/5
find common denominator (2 goes in 10 five times; 5 goes in 10 twice)
= -(5*1)/10 + (2*2)/10
= -5/10 + 4/10
= -1/10

Hope this helps! :)
5 0
3 years ago
Read 2 more answers
A food company originally sells cereal in boxes with dimensions 25 cm by 14 cm by 10 cm. To make more profit, the company decrea
hjlf

Answer:

1.75 cm

Step-by-step explanation:

We are given that the dimensions of the box as 25 cm by 14 cm by 10 cm.

Now, to increase the profit, the dimensions of the box by 'x' cm.

Thus, the new dimensions are (25-x) cm by (14-x) cm by (10-x) cm.

Further, it is given that the volume of the new box is 2,208 cm^{3}

As, Volume of the box = Length × Breadth × Height

i.e. 2208 = (25-x) × (14-x) × (10-x)

i.e. 2208 = (25-x) \times (140-24x-x^{2})

i.e. 2208=x^{3}-x^{2}-740x+3500

i.e. x^{3}-x^{2}-740x+1292=0

On solving this cubic equations, we get that, the solutions are x = 27.6, x = 1.75 and x = 26.8.

Since, the dimensions 25 cm by 14 cm by 10 cm are reduced by x cm.

Thus, if x = 27.6 or x = 26.8, then (10-x) = -17.6 or -16.8, which cannot be possible. So, x = 1.75 cm.

Hence, the dimensions were decreased by 1.75 cm.

3 0
3 years ago
mary ran 2 miles in about 23 minutes if she continued at the same pace, how long will it take her to run 6.1 miles
Montano1993 [528]

Answer:

It will take her 2 hours 18 mins. and 6  (138.6 mins.) seconds for her to run 6.1 miles

Step-by-step explanation:

5 0
3 years ago
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