3 years ago

Evaluate when x = 2 and y = 5: 2 + (12 - 5x): 2g

1 answer:

8 0

Just substitute x = 2 and y = 5 into the equation wherever you see x and y.

2 + (12 - 5x) · 2y

2 + (12 - 5(2)) · 2(5)

2 + (2) · 10

4 · 10

40, is the answer which should be the first box.

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gregori [183]

Answer:

02 High Schools would be selected from the stratum with a percent-free-lunch value of 40 less than or equals x.

Step-by-step explanation:

As the sample size needed is 25 and total schools are 100 so this indicate 1 school in each 4 schools is to be selected. This is given as

$n=\frac{n_{total}}{n_{sample}}\\n=\frac{100}{25}\\n=4$

Now as the schools with percent free lunch are 8 so now

$n=\frac{n_{total}}{n_{sample}}\\n=\frac{8}{2}\\n=2$

So only 2 schools will be selected in this regard.

7 0

3 years ago

Klio2033 [76]

200, because the more samples you have the more correct you will be.

5 0

3 years ago

suter [353]

EM is 20 my friend aloha

5 0

3 years ago

Alex73 [517]

It is 1 and one half.

5 0

3 years ago

Ilia_Sergeevich [38]

What? What's your question?

3 0

3 years ago