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Usimov [2.4K]
2 years ago
12

Kevin ran 5 miles in 42 minutes. How many miles per hour did Kevin run? Round to the nearest tenth.

Mathematics
2 answers:
strojnjashka [21]2 years ago
4 0
Kevin ran 8 miles rounded to the nearest tenth
frutty [35]2 years ago
3 0

he ran a mile in 8.4 minutes. Step-by-step explanation:

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Each of the 110 students in a statistics class selects a different random sample of 35 quiz scores from a population of 5000 sco
djverab [1.8K]

Answer:

C

Step-by-step explanation:

In this question, we are asked to select which of the options best answer the question.

We proceed as follows;

Using the information given,

Each of the 110 students in a statistics class selects a random sample of 35 Quiz scores

from a population of 5000 scores. They are not given the population mean and standard deviation.

Now, using these data, each student then construct a 90% confidence interval for µ which is the average Quiz score in the population of 5000 students.

By definition, the population mean values will definitely be within the limits of this

confidence interval.

Thus, the correct answer is, Option (c)

4 0
2 years ago
Four more than the square root of a number
Monica [59]

Answer:

sqrt(4 + (3 x) ) = 7

4 + 3 x = 49

3 x = 45

x = 15

5 0
3 years ago
Isabella invested $1300 in an account that pays 4.5% compounded annually. Assuming no deposits or withdrawals are made , find ho
kobusy [5.1K]

Answer:

FV= $2,407.53

Step-by-step explanation:

Giving the following information:

Present Value (PV)= 1,300

Interest rate (i)= 4.5% = 0.045

Number of periods (n)= 14 years

<u>To calculate the future value (FV) of the initial investment after 14 years, we need to use the following formula:</u>

FV= PV*(1 + i)^n

FV= 1,300*(1.045^14)

FV= $2,407.53

6 0
2 years ago
A line has the same slope as the line 3x+9y=5 and passes though the point (-1,2).what is the equation of the line?
MrRissso [65]

Answer:

y = -1/3x + 5/3

Step-by-step explanation:

First solve the equation. Simply put it is y = -1/3x + 5/9.

So, we have our slope which is -1/3. Now just plug it in.

y - y1 = m(x - x1)

y - 2 = -1/3(x - (-1))

Distribute.

y - 2 = -1/3x - 1/3

Add 2 to both sides

you get y=-1/3x + 5/3

6 0
3 years ago
Can you help me please??
VLD [36.1K]
B.6 would be the right answer because thats the ratebin which it drops
6 0
3 years ago
Read 2 more answers
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