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Daniel [21]
3 years ago
13

Jim ran 12 1/2 miles in 2 1/2 hours. How many hours for 1 mile?

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

1/5 hours i.e 0.2 hours (which is 12 mins)

Step-by-step explanation:

First note that 12 1/2 = 12.5, and 2 1/2 = 2.5.

To work out how many hours it takes hime to drive one mile, we divide the number of hours (2.5) by the number of miles (12.5),

i.e 2.5 ÷ 12.5

which equals 1/5 = 0.2 hours (= 12 mins).

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a rectangle has a width of 4 cm and a length of 8cm is scaled by a factor of 6.what are the side lengths of the scaled copy
vichka [17]

Answer:

\huge\boxed{\text{Width: } 24 \ \ \ \text{Length: } 32}

Step-by-step explanation:

When we scale an object by a scale factor, the side lengths become the scale factor times bigger than the previous sides. Therefore, with a scale factor of 6, the side lengths would be multiplied by 6.

4 \cdot 6 = 24\\\\4 \cdot 8 = 32

Hope this helped!

6 0
3 years ago
Read 2 more answers
Suppose you have three consecutive integers.The greatest of the three integers is twice as great as the sum of the first two.Wha
vredina [299]

Answer:

0, 1, 2

Step-by-step explanation:

So, since there are three consecutive integers, you have the equations

x, x+1, x+2 where x is the smallest number.

The greatest of the three integers= x+2

Finish setting up your equation;

2(x+x+1)=x+2

Combine like terms;

2(2x+1)=x+2

Distribute;

4x+2=x+2

3x=0

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x+1=1

x+2=2

Hope this helps:) Have a good day!

8 0
3 years ago
How can i do this please help me
Aleksandr-060686 [28]

The tangent of an angle is the ratio of the opposite side to the adjacent side.

... tan(45°) = (height above eye level)/(20 m)

... height above eye level = (20 m)·tan(45°) = (20 m)·1 = 20 m

_____

Eye level is 1.7 m above ground, so the height of the flagpole above ground is

... height of pole = height above eye level + height of eye level

... height of pole = 20 m + 1.7 m = 21.7 m

7 0
3 years ago
In ΔABC, which trigonometric ratio equals 32?
Nezavi [6.7K]
The given answer should be "3/2", its because "32" is not possible in anyway.. 

tan C = sin C / cos C

Where sin C = 3 / 3.61

And

cos C = 2 / 3.61

Now

tan C = (3 / 3.61) / (2 / 3.61) = (3 / 3.61) x (3.61 / 2) = 3 / 2

<span>Thus tan C is the correct choice.   </span>

6 0
3 years ago
1. Each side of a square barn is 9 meters long.
oksian1 [2.3K]

Answer:

The area and the perimeter of the square barn which has each side 9 meters long is 81 m² and 36 m.

Step-by-step explanation:

7 0
2 years ago
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