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zysi [14]
3 years ago
13

What is the mean of the data set

Mathematics
1 answer:
jeyben [28]3 years ago
7 0

To find mean all you have to do is add all the numbers up and divide ny how many numbers there are.  If you add them all together is equals 1295. now divide that number by the amount of numbers there are which is 10, and divide 1295 by 10.  You get 129.5

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Some people use a rule to see how many hours a child should sleep at night. Subtract the child's age in years from 30, then divi
m_a_m_a [10]
It would be 8 hours. 30-14=16. 16/2=8.
6 0
2 years ago
What is the value of f(−1) when f(x)=2x+2
mart [117]

Answer:

<h2>f( - 1) = 0</h2>

Step-by-step explanation:

f(x)=2x+2

To find f(−1) , substitute the values of x that's - 1 into f(x). That is for every x in f(x) replace it with - 1

That's

f( - 1) = 2( - 1) + 2 \\  =  - 2 + 2

We have the final answer as

f( - 1) = 0

Hope this helps you

7 0
3 years ago
Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times
Komok [63]

Answer:

150

Step-by-step explanation:

Rolling a 2, 3, or 4 should happen approx 60% of the time

250 x 60%= 150

3 0
3 years ago
Read 2 more answers
HURRY!!! I WILL GIVE BRAINLIEST FOR CORRECT ANSWER
Sergeeva-Olga [200]

Answer:

A function is a relation in which each element of the domain, or x-value, is mapped to one element of the range, or y-value.

The question we are asked is if cost is a function of the activity type.  This means that cost would be the range and activity type would be the domain.

If this is a function, then each activity type would have only one cost.  However, on different days of the week each activity type has different prices; this means there is more than one cost for each activity type, and it is not a function.

8 0
3 years ago
When performing tests involving two or more populations it is important to specify which population is population 1 and which is
iris [78.8K]
Answer:



a. True







Explain:

3 0
2 years ago
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