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77julia77 [94]
3 years ago
11

The table shows the amount of money in your savings account over a period of 6

Mathematics
2 answers:
MatroZZZ [7]3 years ago
7 0

Answer: N=800/5

N=160

He needs to save $160 every week to get $800 in 5 weeks

hope this helps.

Maurinko [17]3 years ago
4 0

Answer:

55 * N + 100 = 700

Step-by-step explanation:

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Which of the following is an advantage of using systematic random sampling?
bekas [8.4K]

This is a question that asks about the advantages of a systematic random sampling. Thus, we first take a look at the types of sampling, and then we see the advantage of systematic random sampling.

Samples may be classified as:

Convenient: Sample drawn from a conveniently available pool.

Random: Basically, put all the options into a hat and drawn some of them.

Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.

Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.

Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.

Systematic:

One of the bigger advantages is that the systematic sampling eliminate clusters, which means that the last option is wrong.

Inadvertently missing patterns is a problem in systematic sampling, and not an advantage, thus the third option is also wrong.

It also does not reduce sampling variability, thus the first option is wrong.

From this, it can be concluded that the correct option is:

Systematic random sampling does not require a finite population size.

For another example of systematic random sampling, you can check brainly.com/question/21100042

8 0
2 years ago
What is the sum of the areas of circle C and circle D?
Morgarella [4.7K]
Assuming that the center of each circle is at point C and D, then both have a radius of 7cm. We know that the formula for solving area of the circle is A=pi*r².
Then we solve area of once circle multiplied by two to get the total area of the given circles. The solution is shown below:
C1 area=3.1416*7²
C1 area=153.9384 cm²
Summation of the area of circle C and D is shown below:
Sum area=2*153.9384
Sum area=307.8768cm²

The answer is 98pi.
4 0
3 years ago
Read 2 more answers
What is the surface area of the prism?
Karo-lina-s [1.5K]
The answer would be:

C. 144in2

hope that helped
4 0
3 years ago
$21 is what percent of $28
saveliy_v [14]

Answer:

75%

Step-by-step explanation:


4 0
2 years ago
Find the 32nd term of the arithmetic sequence 32, 29, 26, 23, ...
Zinaida [17]

Answer:

-55

-61

064

63

Step-by-step explanation:

3 0
2 years ago
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