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MA_775_DIABLO [31]
2 years ago
7

PLESE HELP ME RN PLEASE

Mathematics
1 answer:
Alisiya [41]2 years ago
4 0

Answer:

16+3x=22.75

22.75-16=6.75

6.75÷3=2.25=x

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a student found the slope of a line that passes through the point (-3,-10) and (5,-7) to be 3/8 what mistake did he make
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The student didn't make any mistake. The slope of the line between those points is 3/8.

3 0
3 years ago
{2x + y = -1}<br> {3x- 5y + -21}
NARA [144]

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your question is not complete or should I say not correct ☺️

8 0
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Use the model to solve for x.
morpeh [17]

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Step-by-step explanation:

4 0
2 years ago
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Doris is investigating if height has any effect on red blood cell count. What is the explanatory variable?
sammy [17]

Answer:

a) The number of people that are being studied.

Step-by-step explanation:

1) The (missing) options are:

a) The number of people that are being studied.

b) red blood cell count

c) height

d) none of the above

2) Explanatory variables are synonymical terms for independent variables.

In short when those variables are really not affected by other ones they are also called Explanatory Variables.

It is useful to make a distinction between response variable, and explanatory ones. The first one is affected somehow and it is the response Doris wants to find out.

3) Certainly, the sample or population of this research is absolutely free of prior influence over the final results.  Since theoretically, the same research can be done over different samples and find other responses.

Then it's "a"

5 0
3 years ago
In which of the following situations would the use of sampling be most appropriate?Multiple Choice
pishuonlain [190]

Answer:

The use of sampling would be best in the following situation:

a. The need for precise information is less important.

Step-by-step explanation:

Sampling:

It is such a process of analysis in which we divide a large proportion of data into smaller proportions called samples to determine the characteristics of that data.

  • The option a is correct as in sampling, we take a smaller proportion from a large pool of data so when the precise information is less important, it is a good way to use sampling.
  • The option b is not correct as the number of items comprising the population is always large.
  • The option c is not correct as the likelihood of selecting a representative is relatively not small rather it is large.
  • The option d is incorrect as the use of sampling is not appropriate in all of these situations.

5 0
3 years ago
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