3 years ago

How long would it take to run the 100-yard dash if you could average 10 yards/second?

Mathematics

1 answer:

yuradex [85]3 years ago

4 0

Answer:

10 times

Step-by-step explanation:

10 times each b

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Question 4

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

Given

See attachment for chart

Required

Number of off days

To do this, we simply calculate the expected value of the chart.

This is calculated as:

$E(x) = \sum x * f$

Where

x = days

f = chances

So, we have:

$E(x) = 0* 0.3 + 1 *0.2 + 2 * 0.25 + 3 * 0.2 + 4 * 0.02 + 5 * 0.01 + 6 * 0.01 + 7 * 0.01$

$E(x) = 1.56$

$E(x) \approx 2$

3 0

2 years ago

Find perimeter in cm of the diagram

boyakko [2]

3 sides of square is 3*12=36 cm

perimeter for the full circle is 2 * pi * radius

which is =2 * 22/7 * 12 =75.43 cm

so 360° =75.43 cm

for 150° = 75.43/360 *150 =31.43

all together =36 +31.43 =67.43 cm

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3 years ago

A group of people were given a personality test to determine if they were Type A or Type B. The results are shown in the table b

aalyn [17]

D) there is not enough information

7 0

3 years ago

The sun is dying scientists estimate the sun has only 5 billion years of life time left. We round the human lifetime to 100 year

Gennadij [26K]

Answer:

ABout another 10 billion years

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

A jet travels 530 miles in 5 hours. What is the speed (unit rate) at which the jet traveled? How far can the jet go in 12 hours?

Citrus2011 [14]

Answer:

unit rate is 106 miles per hour and it can go 1272 miles in 12 hours

Step-by-step explanation:

-divide 530 by 5 and you get 106 miles an hour.

-then multiply 106 by 12 to get 1272 miles an hour.

7 0

3 years ago