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Mekhanik [1.2K]
3 years ago
13

If you collect samples by dividing the population into subpopulations (often based on demographics) and then randomly sampling w

ithin each subpopulation, you are doing __________. stratified sampling cluster sampling simple random sampling convenience sampling
Mathematics
1 answer:
ivann1987 [24]3 years ago
4 0
SAMPLIFICATION ITS A FANCY WORD FOR SAMPLE MEHEHHEHEHE

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Find the volume of each figure. PLZZZ I NEED HELP ASAP!!!!!! :/
ella [17]
8) v=1/3 x 6^2 x 11
= 132cm^3

10) 80ft^3

11) 72km^3

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6 0
3 years ago
The steps to convert to a decimal are shown below:
iragen [17]

Answer:

The actual answer is 9.25

Step-by-step explanation:

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8 0
2 years ago
If a+b=9 and ab=18,find the value of a and b.
Blizzard [7]

Answer:

Given:

a + b = 9

=> a = 9 - b

Given:

a x b = 18

=> (9 - b) x b = 18

=> 9b - b^2 = 18

=> b^2 - 9b + 18 = 0

=> (b - 3)(b - 6) = 0

=> b = 3 => a = 6

=> b = 6 => a = 3

Hope this helps

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3 0
3 years ago
Renata and her family go through an average of more than 15 cans of sparkling water each day. They buy cases of 24 cans at $3.50
DENIUS [597]

Answer:

The inequality required to express the above condition is   x     ≥    18.75

Step-by-step explanation:

Renata and her family go through an average of more than 15 cans of sparkling water each day.

The number of cases of 24 cans of sparkling water.

We can take the number of cases to be x.

Each case is said to cost $3.50.

An inequality for the number of cases that Renata's family go through in 24 days can be written as

       x ≥ \frac{15 \times 30}{24}           ⇒     x    ≥   \frac{450}{24}         ⇒   x ≥     18.75

Therefore the inequality required to express the above condition is

x     ≥    18.75

3 0
3 years ago
What to do do I subtract the corridnates or add them
trapecia [35]
The easiest way to do it is graph it and count.
4 0
3 years ago
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