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3 years ago

A sprinter can run 319 feet and 11 seconds find the sprinters unit rate of feet per second

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

7 0

The answer is 29 ft per second. Just divide 319 by 11

Naddik [55]3 years ago

4 0

Answer:28 feet per second

Step-by-step explanation:

Given : The distance traveled by sprinter = 319 feet

The time taken by sprinter = 11 seconds

We know that the formula to calculate the unit rate of distance per time is given by :_

$r=\dfrac{\text{Distance}}{\text{Time}}\\\\\Rightarrow\ r=\dfrac{319}{11}\\\\\Rightarrow\ r=29\text{ feet per second}$

Hence, the sprinters unit rate = 28 feet per second

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Which two sets of events are most likely independent?

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Answer:

A and C

Step-by-step explanation:

Two events, A and B, are independent if the fact that A occurs does not affect the probability of B occurring.

Options B and D give events which are most likely to be dependent, because if a driver texts while driving affects the possibility that the driver can get into the accident and if a woman lives in Alaska affects she can have a heavy winter coat.

Options A and C are two sets of most likely independent events, because the girl's singing does not affect on her wish to become a lawyer and a man's hair doesn't depend on where his father lives.

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3 years ago

Circle O has an area of 200m^2. Point A and B lie on the circle. Sector AOB has an area of 50m^2. What is the measure of angle A

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The answer is 45 have a good day

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3 years ago

Please help with solving

Makovka662 [10]

N.O = 4
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Meaning M.N also has to be 4
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2 years ago

According to a survey conducted by the U.S. Department of Health and Human Services, about 50% of U.S. adults age 18 and older a

liraira [26]

Using a confidence interval, we have that:

a) The range is from 48.8% to 51.2%.

b) Between 125,000 and 131,000 adults are registered organ donors.

<h3>What is a confidence interval?</h3>

A confidence interval is given by the <u>estimate plus/minus the margin of error</u>.

For this problem, we have that:

The estimate is of 50%.

The margin of error is of 1.2%.

The bounds of the range are given as follows:

50% - 1.2% = 48.8%.

50% + 1.2% = 51.2%.

Hence the range is from 48.8% to 51.2%.

<h3>What are the total numbers?</h3>

We have to find <u>48.8% and 51.2% of 255,200,373</u>, hence:

0.488 x 255,200,373 = 124,537,782.

0.512 x 255,200,373 = 130,662,591.

Rounded to hundredth thousand, between 125,000 and 131,000 adults are registered organ donors.

More can be learned about confidence intervals at brainly.com/question/25890103

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1 year ago

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german

Answer: b

Step-by-step explanation:

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3 years ago

Read 2 more answers