3 years ago

Two random samples were taken to determine how often people in a community listen to the local radio station each month.

Mathematics

1 answer:

tangare [24]3 years ago

4 0

I do not get what the Question that you are asking is.

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The angle whose sine is 0.39581 is? how do I find the degree?

emmainna [20.7K]

Use the $\sin^{-1}$ on your calculator. Also make sure the calculator is in degree mode. You should get 23.32°

3 0

3 years ago

Will give brainliest

serious [3.7K]

Answer:

[2(x+10)]°+(3x-30)°=180°[vertically opposite angle]

2x+20+3x-30=180°

5x-10=180°

5x=180-10

5x=170

x=170/5

x=34

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3 years ago

While Flinn was starting the fire, his friends were collecting firewood. Flinn has 5 sticks. If he puts 3 sticks in the fire eve

a_sh-v [17]

7m - 3m + 5 = 45

4m + 5 = 45

45-5 = 40

4m = 40

40/4

m = 10 minutes

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3 years ago

A pitcher throws a 9 kg baseball in a straight line. Its momentum is 2.1 kg-m/s. What is the velocity of the

Zina [86]

Answer:

$0.23\:\mathrm{m/s}$

Step-by-step explanation:

The momentum of an object is given by $p=mv$ , where $m$ is the mass of the object and $v$ is the velocity of the object.

What we're given:

object's mass $m$
object's momentum $p$

Substituting given values, we can solve for $v$ :

$2.1=9v,\\v=\frac{2.1}{9}\approx \boxed{0.23\:\mathrm{m/s}}$

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3 years ago

Nolan rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour?

s2008m [1.1K]

63 miles in 270 minutes will mean that nolan rides his bike at a distance of 63/270 miles in one minute.
there are 60 minutes in an hour. So to find out the distance he covers in 1 hour, 63/270 × 60 will give you 14 miles.
Since the question is asking for the average speed, nolan rides his bike at 14 miles per hour i think.

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3 years ago