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2 years ago

Can someone pls help me

Mathematics

1 answer:

makkiz [27]2 years ago

8 0

Answer:

good morning going to have what does a little but let beerus and fly away and the longest in the detailed and strong and little longer a baby to fly away

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At a high school 7 student volunteer for a committtee how many different 5 person committees can be chosen

ki77a [65]

Total number of volunteer students for a committee = 7
Number of committee = 5

Number of ways of selecting the committee from the 7 volunteers = 7C5 = 7!/(5!*2!) = 21 ways.

There are 21 ways in which the 5-committee member can be selected from the 7 volunteers.

5 0

2 years ago

Please help me out.................

user100 [1]

Answer:

y = 15

Step-by-step explanation:

In a parallelogram, opposite lengths are equal.

So it means that the length (5y - 20) is equal to (2y + 25).

Now that there is only one variable in the equation, we can solve for the variable.

5y - 20 = 2y + 25

5y - 2y = 25 + 20

3y = 35

y = 15

5 0

3 years ago

Can someone help me answer questions 10 and 11?

Alexxandr [17]

10. 10
11. -2.8

Hope u enjoyed xD

7 0

3 years ago

Read 2 more answers

If the coefficient of determination is 0.9, the percentage of variation in the dependent variable explained by the variation in

vagabundo [1.1K]

Answer:

90% of the variation in the dependent variable is explained by the independent variable.

Step-by-step explanation:

We are given the following in the question:

coefficient of determination = 0.9

We have to find the percentage of variation in the dependent variable explained by the variation in the independent variable.

Coefficient of Determination:

The coefficient of determination is a measure that explains and predicts the dependent variable.
It explains the variation in the dependent variable caused by the independent variable.
The coefficient of determination, also known as the R squared value and is obtained by squaring the coefficient of correlation.

$\text{Coefficient of Determination} = R^2 = 0.9 = 0.9\times 100\% = 90\%$

Thus, 90% of the variation in the dependent variable is explained by the independent variable.

8 0

2 years ago

Can someone tell me if i did this right lol

baherus [9]

Answer:

Your calculation is correct, but I'd answer 33.0 in.

Step-by-step explanation:

You are correct. Good job.

6 0

2 years ago

Read 2 more answers