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3 years ago

What is 13% of 500 hours

Mathematics

2 answers:

Anastasy [175]3 years ago

5 0

Answer:

Step-by-step explanation:

13% = .13

.13 x 500 = 65

Elena-2011 [213]3 years ago

5 0

Answer:

2.70833333 days

Step-by-step explanation:

hours to days:

<em>500 hours = 500 ÷ 24 = 20.8333 days</em>

<em>%( percent) means 100</em>

13% of (500 hours)

= 13 ÷ 100 × (20.8333 days)

= 2.70833333 days ≈ 2.71 days

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−13−(−12)

posledela

If the question you're asking is -13-(-12), then your answer would be -1. Hope that helped.

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4 years ago

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Find the volume of each ball. use the formula. where v is the volume and r is the radius. record the volume in table A of your s

pochemuha

Answer:

The volume of tennis ball = 38.808 $cm^{3}$ .

Volume of golf ball = 33.523 $cm^{3}$ .

Step-by-step explanation:

Given: The radius of the tennis ball is 2.1cm and the radius of thr golf ball is 2.0cm. the formula is V=4πr(to the 3rd power) /3 .

To find: Volume of tennis ball and golf ball .

Formula used: Volume = $\frac{4 π r^{3} }{3}$ .

pi(π) = $\frac{22}{7}$ .

Explanation : We are given that

Radius of the tennis ball = 2.1 cm

radius of the golf ball =2.0 cm.

We need to find the volume of each ball

So , plugging the given values of radius in above formula

Volume of the tennis = $\frac{4*22(2.1)^{3} }{3*7}$

On simplification we get, volume of tennis ball = 38.808 $cm^{3}$

Volume of the golf ball= $\frac{4*22(2.0)^{3} }{3*7}$

On simplification we get, volume of golf ball = 33.523 $cm^{3}$

Therefore , The volume of tennis ball = 38.808 $cm^{3}$ .

Volume of golf ball = 33.523 $cm^{3}$ .

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3 years ago

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if twenty percent of the students play in the band and the band has forty members, how many students are there?

olchik [2.2K]

The total amount of students are 200

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3 years ago

Anyone knows how to get free coursehero

LenaWriter [7]

Answer:

nope

Step-by-step explanation:

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3 years ago

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"A solid machine part is to be manufactured as shown in the figure. The part is made by cutting a small cone off the top of a la

Savatey [412]

Large cone:

V = 1/3 x pi x r^2 x h

= 1/3 x 3.14 x 9^2 x 15

= 1272.3 cubic inches

Smaller cone:

V = 1/3 x pi x r^2 x h

= 1/3 x 3.14 x 3^2 x 5

= 47.1 cubic inches

1272.3 - 47.1 = 1225.2 cubic inches

1272/3.14 ≈ 390

The answer is 390 × pi.

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3 years ago