3 years ago

The ratio of adults to children is 7:3 and 370 people attend .How many are children?

1 answer:

nlexa [21]3 years ago

6 0

Its 2:185 because when you do ratios you divide by 2

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ki77a [65]

Answer:

The variance is $\sigma ^2 =25$

Step-by-step explanation:

From the question we are told that

The sample size is n = 21

The sum of squares is $SS = 500$

Generally the variance is mathematically represented as

$\sigma ^2 = \frac{SS}{n- 1}$

substituting values

$\sigma ^2 = \frac{ 500}{21- 1}$

$\sigma ^2 =25$

4 0

3 years ago

Alenkinab [10]

Y=−3x−2
-3x=y+2 (keep, change, flip)
so....
-3x-2 :) Hope I helped!

5 0

3 years ago

Trava [24]

Answer:

56.779 or 56.782 56.778, etc, because it has to be 8 in the hundreths thousandths less than 5 or 7 in the hundreths thousandths greater than 5

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2 years ago

Arte-miy333 [17]

Answer:

I cant see the entire question

Step-by-step explanation:

4 0

3 years ago

natka813 [3]

Divide 4/2 so you get 2= n over 4 then multiply 2 by 4 and then multiply n over 4 by 4 you’ll get 4*2=n, multiply 4 and 2.

n=8

5 0

3 years ago