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algol [13]
3 years ago
5

The distance around a circular pool is 39.25 m. How does the lifeguard have to walk from the edge of the pool to the centre of t

he pool?
Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0

Answer:

d = 6.246 m

Step-by-step explanation:

Given that,

The distance around a circular pool is 39.25 m.

We need to find how does the lifeguard have to walk from the edge of the pool to the centre of the pool. It means we need to find the radius r of the circle.

ATQ,

Circumference = 2πr = 39.25 m

r is radius

r=\dfrac{39.25 }{2\pi}\\\\r=6.246\ m

So, the required distance is 6.246 m.

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The value of U.S exports to China increased from $1480 million in 2011 to $2768 million
aliya0001 [1]

The percentage of increase was 87.027... %

<em><u>Explanation</u></em>

The value of U.S exports to China increased from $1480 million to $2768 million.

Suppose, the percentage of increase is  x\%

So, <u>the amount of increase</u> = x\% of 1480 =1480*\frac{x}{100}=14.8x

Thus, the equation will be......

14.8x= 2768-1480\\ \\ 14.8x=1288\\ \\ x= \frac{1288}{14.8}=87.027....

So, the percentage of increase was 87.027... %

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4 years ago
What is the distance between points S and T?
Anni [7]
The distance between the points is 16
6 0
3 years ago
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kolbaska11 [484]

Answer:

z = 17.5

Step-by-step explanation:

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z = 17.5

4 0
3 years ago
On a cube, what proportion of the surface area is on each face, to the nearest percent?
Nookie1986 [14]
Cubes have 6 equal faces, and the surface area is the sum of all of these faces. Thus, one face would be 1/6 of the cube's surface area, or about 17%.
3 0
4 years ago
Ill give brainliest to who can answer <br> 2/4 x 5/9 = 3.14
Lera25 [3.4K]

Answer:

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Step-by-step explanation:

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