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Ivahew [28]
2 years ago
15

The diameter of a hula hoop is 24 inches. How many full rotations will the hula hoop make if it travels 528 inches?

Mathematics
1 answer:
Alinara [238K]2 years ago
7 0

Answer:

11 rotation

Step-by-step explanation:

half rotation= 24 inches

Full rotation = 48 inches

If it travels 528 inches

528 \div 48

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agasfer [191]

Answer:

102

Step-by-step explanation:

8 0
2 years ago
An altitude is drawn from the vertex of an isosceles triangle, forming a right angle
Hatshy [7]

Answer:56.8 inches

Step-by-step explanation:

For perimeter we must find the lengths of the 2 diagonal sides of the triangle which are the same because it is isosceles.

the triangle is cut directly in half so both halves of the base are 17/2

17/2 = 8.5

solve through pythagoren theorum

altitude^2 + (half of base)^2 = (diagonal length)^2

18^2 + (8.5)^2 = (diagonal length)^2

324 + 72.25 = (diagonal length)^2

396.3 = (diagonal length)^2

\sqrt{396.3} = diagonal length

diagonal length = 19.9

diagonal length + diagonal length + base = perimeter

19.9 + 19.9 + 17 = perimeter

56.8 inches = perimeter

6 0
2 years ago
today ryan burned 1002.9 calories while exercising, yesterday, he burned 399 calories. how many more calories did ryan today tha
iVinArrow [24]
He burned 603.9 more calores today than yesterday
8 0
2 years ago
Kelly is making greeting cards, which she will sell by the box at an arts fair. She paid $20 for
soldier1979 [14.2K]

Answer:

the materials to make the cards:)

Step-by-step explanation:

4 0
3 years ago
Suppose the mean height for adult males in the U.S. is about 70 inches and the standard deviation is about 3 inches. Assume men’
nlexa [21]

Question options :

a. They should be between 64 and 76 inches tall.

b. They should be close to the height that is 95% of the mean. That is, 66.5 inches, plus or minus 2 standard deviations.

c. They should be at or below the 95th percentile, which is 74.92 inches.

d. None of the above.

Answer: a. They should be between 64 and 76 inches tall.

Step-by-step explanation:

Given the following :

Assume men's height follow a normal curve ; and :

Mean height = 70 inches

Standard deviation= 3 inches

According to the empirical rule ;

Assuming a normal distribution with x being random variables ;

About 68% of x-values lie between -1 to 1 standard deviation of the mean. With about 95% of the x values lying between - 2 and +2 standard deviation of mean. With 99.7% falling between - 3 to 3 standard deviations from the mean.

Using the empirical rule :

95% will fall between + or - 2 standard deviation of the mean.

Lower limit = - 2(3) = - 6

Upper limit = 2(3) = 6

(-6+mean) and (+6+ mean)

(-6 + 70) and (6+70)

64 and 76

8 0
3 years ago
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