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sergeinik [125]
4 years ago
12

Round 32.31 to the nearest hundred

Mathematics
1 answer:
Zielflug [23.3K]4 years ago
3 0

Answer:

32.3

Step-by-step explanation:

.01 is too small to be rounded to .1 so its 32.3

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A right circular solid cone of base radius 42cm and height 84cm has the same volume as a solid cylinder of height 112cm find the
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Answer:

21 cm

Step-by-step explanation:

Volume of cone is given by 1/3(\pi r^2h)

volume of cylinder is given by \pi r^2h

where r is the radius of base and h is the height

_________________________________

For cone

radius = 42cm

height = 84

volume = 1/3(\pi *42^2*84)  (1)

________________________________

For cone

radius = to find let it be r

height =112

volume = \pi *r^2*112  (2)

_______________________________________

since , volume of both solid are same

thus, equation 1 = equation 2

1/3(\pi *42^2*84) = \pi *r^2*112\\=> r^2 = 1/3((\pi *42^2*84) /  112*\pi \\=> r^2 = 1/3(42*42*84/112) = 441\\=> r = \sqrt{441} \\=> r = 21

Thus, radius of cylinder is 21 cm

6 0
3 years ago
Someone help me with number 7 please!!
andriy [413]
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6 0
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Joel played 12 holes of golf and took 54 strokes. gari played all 18 holes and took 90 strokes
8_murik_8 [283]

Test this as strokes per hole. Remember, in golf, you want less strokes.

54 strokes in 12 holes = 4.5 strokes per hole

90 strokes in 18 holes = 5 strokes per hole.

Joel played better because he took less strokes per hole.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

6 0
4 years ago
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