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2 years ago

Which the sampling method reflects the following:

Mathematics

1 answer:

Minchanka [31]2 years ago

4 0

Answer:A. judgment sampling

Step-by-step explanation: Judgement sampling also known as judgemental sampling is a non probability sampling technique that gives the researcher the opportunity to choose his or her sampling based on his or her knowledge of the study subject and the samples.

In judgemental samplings are likely to have some bias based on some important part of the population that may not have been identified and considered during the sampling process.

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Which ordered pair is a solution of the equation?<br> -x- 4y = -10

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2 years ago

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The decline of salmon fisheries along the Columbia River in Oregon has caused great concern among Predaceous Fishes on Out-Migra

sergey [27]

Answer:

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Step-by-step explanation:

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2 years ago

The diameter of a reamed hole is 70.36 mm. What is the radius setting, in mm., used to draw the hole?

Natalija [7]

Answer:

r = 35.18 mm

Step-by-step explanation:

We have,

The diameter of a reamed hole is 70.36 mm.

It is required to find the radius required to draw the hole.

The relation between diameter and radius is given by :

D = 2r

r is radius setting

$r=\dfrac{D}{2}\\\\r=\dfrac{70.36 }{2}\\\\r=35.18\ mm$

So, the radius setting used to draw the hole is 35.18 mm.

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2 years ago

Ratio 5:1 <br> 70 pancakes made how much flor was needed.

Julli [10]

Well if the ratio is 5:1 that's 5 pancakes:1 flour so it would be 14 flour needed

4 0

3 years ago

the ratio of red marbles to yellow marbles placed in a bag is 2:7. More marbles are added to the bag: 3 red and 3 yellow marbles

Anvisha [2.4K]

Answer: False.

Step-by-step explanation:

Initially, the ratio is 2:7

This means that if we have 2 red marbles, we must have 7 yellow ones.

The quotient here is 7/2 = 3.5

Now, if you add 3 marbles of each colour, then we have:

2 + 3 = 5 red marbles

7 + 3 = 10 yellow marbles.

Now the ratio is 5:10

This means that for every 5 red marbles, we have 10 yellow ones.

But now we can divide both numbers by the same positive integer, because they have a common factor equal to 5.

5/5 = 1

10/5 = 2

Then we have:

5:10 = 1:2

So the new ratio is 1:2

Then the ratio changed when we added the new marbles, which means that Maria was wrong.

8 0

2 years ago