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Marizza181 [45]
2 years ago
5

Is that the right answer

Mathematics
1 answer:
Natalka [10]2 years ago
4 0

Answer:

I believe so!

Step-by-step explanation: makes since to me!!

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Guy ran at 13 km/hr. what was guys speed in MPH?
Assoli18 [71]

The guy ran at a speed of 8.07783 MPH

Here's how I got my answer:

1 km/hr. = 0.621371

So, if you do 0.621371 * 13 you will get your answer: 8.07783 MPH

7 0
3 years ago
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If f(x) = 6x +9, find f(0.5)
artcher [175]
The answer would be twelve 12 because 6x.5 is 3 and 3+9 is equal to 12
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2 years ago
Find the errors and correct the following mathematical sentences.​
matrenka [14]

Answer:

This is your answer

4 0
3 years ago
A random sample of 12 men age 60-65 has a mean blood pressure of 142. 3 mmHg and a standard deviation of 20.8 mmHg. Construct a
Over [174]

Answer:

The 99% confidence interval = (126.93,157.67)

Step-by-step explanation:

The formula for Confidence Interval =

Mean ± z × Standard deviation /√n

Mean = 142. 3 mmHg

Standard deviation = 20.8 mmHg.

n = 12

Z score for 99% confidence interval = 2.56

Confidence Interval =

142.3 ± 2.56 × 20.8/√12

142.3 ± 2.56 × 6.0044427996

142.3 ± 15.371373567

Confidence Interval

= 142.3 - 15.371373567

= 126.92862643

≈ 126.93

142.3 + 15.371373567

= 157.67137357

≈ 157.67

Therefore, the 99% confidence interval = (126.93,157.67)

3 0
2 years ago
Sam leases a car for 24 months. The car will cost him $7,000 if he decides to buy it at the end of the lease. What term describe
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25t + 45m is the traval of the car
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