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Shtirlitz [24]
3 years ago
10

A roof in the shape of a half-cylinder covers the a local soccer field so kids can play soccer

Mathematics
1 answer:
leonid [27]3 years ago
7 0

Answer:

6,280 ft³

Step-by-step explanation:

To find lateral surface area, use the formula L = 2\pirh, then plug in the values:

L = 2(3.14)(25)(80)

L = 12,560 ft³

Since its a half cylinder, we have to divide this by 2:

12,560/2 = 6,280

So, the lateral area of the roof is 6,280 ft³

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Pls help asap
VMariaS [17]

Answer: Addition

Step-by-step explanation: You can represent that as 10^5*10^-5

If you add the exponent values, you get 10^0 which is equal to 1. If you multiply them, you get 10^-25 which is wrong.

3 0
2 years ago
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Find the equation of a line having slope -8 and y intercept -3
Andre45 [30]

Answer:

y = -8x -3

Step-by-step explanation:

To find the y intercept of a basic y = mx +  b equation you simply find the constant (In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number). To find the slope of a basic y = mx + b equation find the value of m. The value of m will be the slope.

5 0
3 years ago
John has 50 missing assignments in his history and science class. He only has 15 days to turn everything in. How many assignment
Nadusha1986 [10]

Answer:

3.3333 (repeating)

Step-by-step explanation:

He has 50 missing assignments and 15 days to do them.

So you do 50 missing assignments divided by 15 days, to see how many assignments a day he would have to do.

50 / 15 = 3.33 (repeating)

3 0
3 years ago
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The ratio of men to women working for a company is 5 to  8 . If there are 364 employees total, how many men work for the company
uysha [10]
5 'parts' of the total company staff are men, and 8 'parts' are women.
That's 13 'parts' all together, comprising 364 people.
So each 'part' is 364/13 = 28 people.

Men = 5 'parts' = 5 x 28 = <u>140 men</u>

Women = 8 'parts' = 8 x 28 = <u>224 women</u>

<em><u>Check:</u></em>

140/224 = 70/112 = 35/56 =<em> </em><em>5/8</em>

140 + 224 = <em>364</em>

yay !
3 0
3 years ago
A television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If
Alinara [238K]

Answer:

Test statistic  z= 1.708

Step-by-step explanation:

given that a  television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If this is to happen, it will have to move one of its most viewed shows to another slot.

Sample size n = 827

Sample proportion p = \frac{438}{827} \\=0.5297

H_0: p =0.5\\H_a: p >0.5

(right tailed test)

This is because they would be interested if more than half viewers are ready for the change

Test statistic = Z = p difference/std error

p difference = 0.0297

Std error =\sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.5*0.5}{827} } \\=0.0174

Z =1.708

p valu e= 0.9562

Since p >0.05 we fail to reject H0

Test statistic  z= 1.708

8 0
3 years ago
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