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3 years ago

Hey could anyone help?

Mathematics

2 answers:

kirza4 [7]3 years ago

6 0

Answer:

The answer is 18

Step-by-step explanation:

Sav [38]3 years ago

4 0

Answer:

Step-by-step explanation:

The ~ indicates that ∠ABC is similar<em> </em>to ∠QRS. In other words, their proportions are the same, even if their size is different.

So AB has the same proportions as QR. 4 can be multiplied by 2.25 to get to 9. So multiply 8 by 2.25 to get n.

8 * 2.25 = 18 so n = 18

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If y varies directly as the square of x and y = 12 when x = 2 find the value of x when y = 108

dolphi86 [110]

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3 years ago

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Nataly_w [17]

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3 years ago

Read 2 more answers

Imagine an experiment with 20 groups, and within each group, there are 50 participants. How many degrees of freedom are there fo

Yuliya22 [10]

Answer: There are 980 degrees of freedom for the within subjects factor.

Step-by-step explanation:

Since we have given that

Number of groups = 20

Number of participants in each group = 50

So, number of participants in 20 groups is given by

$20\times 50\\\\=1000$

As we know that

Degrees of freedom for the within subjects factor would be

$v=n-k\\\\v=1000-20\\\\v=980$

Hence, there are 980 degrees of freedom for the within subjects factor.

6 0

3 years ago