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denis-greek [22]
3 years ago
14

13. Which equation has no solution? (1 point)A. 5v + 3 = 5v – 5 B. 2x – 4 = 2x + 7 – x C. 2y + 5 – y = 2y – 3(y – 6) D. 7z + 9 =

–7z – 6
Mathematics
1 answer:
sergeinik [125]3 years ago
8 0
D is the answer because you cancel out the 7z's and you are left with 9=-6
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Fraction to 2/3 write beach
grigory [225]

Less than: 3/8, 1/2

The same: 8/12

Greater than: 4/5, 6/6, 9/10

(I think this is what the question was? you typed it in a very jumbled fashion)

6 0
3 years ago
Leroy baked 63 cookies with 9 scoops of flour. How many scoops of flour does Leroy need in order to bake 70 cookies? Solve using
Marysya12 [62]

Answer:

  • 10.

Step-by-step explanation:

  • 63 cookies = 9 scoops of flour.

<u>If we go up once with another scoop of flour,</u>

<u>you should get this:</u>

  • 70 cookies = 10 scoops of flour.
6 0
2 years ago
How do i answer this question and where do i put the line
balandron [24]

Answer:

4'4

Step-by-step explanation:

8 0
3 years ago
816,148 rounded to the nearest thousands
EleoNora [17]
In 816,148 6 is in the thousandth. 148 is closer to zero than 1000. it rounds down. so rounding to the closest thousandth gets 816,000.
4 0
3 years ago
It has been decided that 100 people need to be surveyed to decide the publics opinion on a school building project. A student su
Morgarella [4.7K]

Answer:

The proposed way of sampling is a biased way to perform the survey.

Step-by-step explanation:

Convenience sampling is a kind of non-probability sampling method that comprises of the sample being taken from that portion of the population that is near to hand.  In this type of sampling method, all items doesn’t have an equivalent chance of being selected, which doesn’t comprises of random collection of items.

Convenience sampling is where we take in items which are easy to reach.

Convenience sampling consists of selection bias, i.e.e the bias involved in the sample due to inappropriate selection procedures.

For example, randomly selecting 4 people sitting near him to guesstimate the mean age of the class is a convenience sampling example. or gathering information on customer satisfaction by interviewing 6 randomly selected customers from a local store is an illustration of convenience sampling.

In this case, the sample suggested by the students consists of surveying the first 100 people who enter the school, about the public opinion on a school building project.

This is an example of convenience sample.

So, there is a selection bias present in the sample.

Thus, the proposed way of sampling is a biased way to perform the survey.

4 0
3 years ago
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