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mart [117]
3 years ago
6

Anyone Know the Answer?

Mathematics
1 answer:
White raven [17]3 years ago
3 0
The relationship between the number of rose plants and the number of roses is proportional

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The authors of a paper titled "Age and Violent Content Labels Make Video Games Forbidden Fruits for Youth" carried out an experi
o-na [289]

Answer:

T = 290

Step-by-step explanation:

We can find the sum of all observations multiplying sample size (n) by sample mean (x).

Sum of all observations in the data set is,

T=n_{1} x_{1}+n_{2}x_{2}+n_{3}x_{3}+n_{4}x_{4}\\T=10(5.3)+10(7)+10(8.5)+10(8.2)\\T=53+70+85+82\\T=290

Hope this helps!

7 0
3 years ago
Find the decimal expansion of 1/5
Lesechka [4]

Answer:

0.2

Step-by-step explanation:

\frac{1}{5}  = 0.2 \\

7 0
3 years ago
What is the least common multiple of 10 and 15?
Gala2k [10]

Answer:

30

Step-by-step explanation:

15x2=30

10x3=30

5 0
2 years ago
Read 2 more answers
Select the correct answer.
likoan [24]

Answer:

C

Step-by-step explanation:

First find how many games they need to have 90% by multiplying .9(30)=27

then, 15(.8)=12

Then 27-12=15

7 0
2 years ago
Read 2 more answers
____ is necessary because researchers in the social sciences almost never have enough resources — time or money — to collect inf
Tanya [424]

Answer:

Sampling is necessary because researchers in the social sciences almost never have enough resources — time or money — to collect information about the entire set of subjects of interest to them.

Step-by-step explanation:

Sampling is done because you usually cannot gather data from the entire population. Even in relatively small populations, the data may be needed urgently, and including everyone in the population in your data collection may take too long.

4 0
3 years ago
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