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kotykmax [81]
3 years ago
12

A rolling pin has a diameter of 5 inches. If Lin rolled across the table and it made 35 rotations how far did it travel?

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0

Answer:

2.22 rotations

Step-by-step explanation:

First, have to multiply the diameter by Pi. 5 * π = 15.7

15.7 is the circumference because the formula for circumference is d * π = c (diameter=d, circumference=c)

Next, 35/15.7 is 2.22.

You divide the 35 by 15.7 because if 15.7 inches is one rotation, then you want to see how many rotations fit into 35.

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Find the value of x
-Dominant- [34]

Answer:

Step-by-step explanation:

we know that the sum of these two angles=180 degrees

5x/2 +125=180

5x/2=180-125=55

5x/2=55

5x=55*2

5x=110

x=110/5=22

x=22

4 0
3 years ago
Is 7/9 greater than or less than 0.6
LekaFEV [45]
7/9 is greater because if you divide the fraction you will get 0.77777777...
(Which will go on forever)

compare:  
        (< or >)  
0.7      ?      0.6

Well, by looking at both of them, you can easily tell that 0.7 is greater and 0.7=7/9, therefore, 7/9 is greater 

6 0
3 years ago
4) Dan had 199 dollars to spend on 7 books. After
IRINA_888 [86]

Answer:

The answer is that each book costs 26 dollars

Step-by-step explanation:

First we subtract 199 dollar from 7 =182

Then we divide 182 dollars to the seven book in order to find a unit =182/7=26

To prove this answer multiply 26 dollars than 7 books and see if the outcome is 182.Then subtract 199 from 182 and see if you got 17.

3 0
3 years ago
PLEASE HELP ASAP WILL MARK THE BRAINLEST
statuscvo [17]

Answer:

similar triangles

Step-by-step explanation:

First of all, what are similar shapes? Well, two shapes are similar if you can turn one into the other by moving, rotating, flipping, or scaling. That means you can make one shape bigger or smaller. In this case, we know that triangles ABC and DEF are mathematically similar. The area of triangles ABC is , so we need to know the area of triangle DEF.

From math, let's call  the scaling factor, so we know that for any similar figures, the ratio of the areas of any are in proportion to . In other words, if  is the area of triangle ABC, and  is the area of triangle DEF, then we can write the following relationship:

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3 years ago
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Delicious77 [7]

Answer:

75+75×15/100=75+11.25=86.25$

7 0
3 years ago
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