3 years ago

Find the relationship between the number of movie tickets sold and number of available seats

Mathematics

1 answer:

densk [106]3 years ago

8 0

The relationship is negative 4

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Stephen can deliver 14 newspapers in 20 minutes. How many HOURS will it take him to deliver 131 newspaper

LiRa [457]

Answer:

approx. 3 hours

Step-by-step explanation:

14 newspapers in 20 minutes means he can deliver 42 newspapers an hour.

60/42 = 1.4285 newspapers per minute

131 x 1.4285 = 187.1335 minutes = 3.1188 hours

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3 years ago

Seattle, wa and san francisco, ca lie on the same longitudinal line. san francisco is at 38° latitude and seattle is at 47° lati

Varvara68 [4.7K]

Step 1.

Calculate measure of angle α:

$47^o-38^o=9^o$

Step 2.

Calculate what fraction of the angle 360° is the angle α:

$\dfrac{9^o}{360^o}=\dfrac{1}{40}$

Step 3.

Calculate the circumference of the Earth (circle):

$C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi$

Step 4.

The length of arc is equal 1/40 of the circumference:

$\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi$

$\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi$

<h3>Answer: A) 628 miles</h3>

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3 years ago

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The two solids are similar and the ratio between the lengths of their edges is 2:9 what is the ratio of their surface areas

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I THINK the ratio is 4:81 but i don’t know lol

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3 years ago

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Solve A = 77/2 for r.

shtirl [24]

Answer:

77/2 is 38.5 if that is what u were asking

Step-by-step explanation:

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4 years ago

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