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aalyn [17]
3 years ago
9

Julie has a data set for which the mean is 41. Each value of the data set is multiplied by 7. What is the mean for the new data

set?
Mathematics
1 answer:
Anna007 [38]3 years ago
3 0
Seven times 41 = 287
Therefore, the mean is 287
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Is 1.99 a rational number?
ss7ja [257]
Yes, an irrational number cannot be counted, for example, pi is an irrational number.
8 0
3 years ago
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10×(6×5) +9^3 ×8<br><img src="https://tex.z-dn.net/?f=10%20%5Ctimes%20%286%20%5Ctimes%205%29%20%2B%20%20%7B9%7D%5E%7B3%7D%20%20%
Minchanka [31]

Answer: 6132

Step-by-step explanation:

10x(6x5)+9^3 x8

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Hope this helps!

3 0
3 years ago
Investigate the range of each parent function below over the interval o ranges from least to greatest.<br> Identity function, re
Y_Kistochka [10]

Answer:

Here we have the domain:

D = 0 < x < 1

And we want to find the range in that domain for:

1) y = f(x) = x

First, if the function is only increasing in the domain (like in this case) the minimum value in the range will match with the minimum in the domain (and the same for the maximums)

f(0) = 0 is the minimum in the range.

f(1) = 1 is the maximum in the range.

The range is:

0 < y < 1.

2) y = f(x) = 1/x.

In this case the function is strictly decreasing in the domain, then the minimum in the domain coincides with the maximum in the range, and the maximum in the domain coincides with the minimum in the range.

f(0) = 1/0 ---> ∞

f(1) = 1/1

Then the range is:

1 < x.

Notice that we do not have an upper bound.

3) y = f(x) = x^2

This function is strictly increasing, then:

f(0) = 0^2 = 0

f(1) = 1^2 = 1

the range is:

0 < y < 1

4) y = f(x) = x^3

This function is strictly increasing in the interval, then:

f(0) = 0^3 = 0

f(1) = 1^3 = 1

the range is:

0 < y < 1.

5) y = f(x) = √x

This function is well defined in the positive reals, and is strictly increasing in our domain, then:

f(0) = √0 = 0

f(1) = √1 =1

The range is:

0 < y < 1

4 0
3 years ago
I just need to know if these are parallel please,,,
Nataly_w [17]
These are parallel !
4 0
3 years ago
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elliot drove 202.8 miles and used 6.5 gallons of gasoline.How many miles did he travel per gallon of gasoline?
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I think the answer is 31.2 miles per gallon
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