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Aleks04 [339]
3 years ago
10

Francis missed 3 questions on his science test. Paige missed 1 more than twice as many questions as Francis. How many questions

did Paige miss?
Mathematics
1 answer:
lesya692 [45]3 years ago
8 0
The equation rx3+1 can be used to solve the problem,and your answer ends up being 7.
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Sophia pays a
Katen [24]

Answer:

19.99 + 0.99x ; 21.97

Step-by-step explanation:

19.99 + 0.99x

19.99 + 0.99(2)

19.99 + 1.98

21.97

6 0
3 years ago
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
Find the geometric mean between each pair of numbers..<br> 25 and 16
Diano4ka-milaya [45]

Answer:

20

Step-by-step explanation

√(25)(16)

4 0
3 years ago
A piece of cloth is folded into a square with a side length measuring x inches. When it is unfolded, it has an area of x2 + 27x
Dmitriy789 [7]
Our task here is to find possible factors of <span>x^2 + 27x + 162.
We need to check out possible factors of 162 first.  Examples are:
2(81), 3(54), 6(27), 9(18), and so on.  Notice that 9 and 18 add up to 27, so that the factors (x+9) and (x+18) produce x^2 + 27x + 162 when mult. together.</span>
7 0
3 years ago
Tom taxis charges a fixed rate $4 per ride plus $0.50 per mile Carla cabs does not charge a fixed rate but charges $1.00 per mil
RSB [31]

at 8 miles they are the same amount after that Carlas cab is more money than tims
4 0
2 years ago
Read 2 more answers
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