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Vesna [10]
3 years ago
5

a teacher wants to know how much she can predict a student reading level in a given school district. the table shows the grade a

nd reading levels of eight student. what percent of variation in the reading level can be explained by changes in the grade level
Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0
The correct answer for this question is this one: "B. 90.7%" The percent of variation in the reading level can be explained by changes in the grade level is <u>90.7%</u>
<span>You have to compute the coefficient of correlation and then use a formula to get the explained variation.
</span>
Hope this helps answer your question. Should you have more questions, do not hesitate to post in brainly.
These are the following choices:
<span>A. 74.7%
B. 90.7%
C. 82.4%
D. 86.6%</span>
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Find the value of x.
andrey2020 [161]

Answer:

sum of an exterior angle is 360

2x+56+85+57+4x=360

6x+198=360

6x=360-198

6x=162

x=162/6

x=27

7 0
2 years ago
Hayden is organizing his assets and liabilities in the table below. If his net worth is $17,550, then how much does he have in h
77julia77 [94]

Answer: His checking account balance is $2,800.

Step-by-step explanation: What Hayden is doing is comparing his assets against his liabilities. This will determine his net worth. His assets ideally are those that increase his net worth such as landed properties, etc while his liabilities in the simplest language are those debts he is paying off either right away, or that he must pay off eventually.

In other words, to determine his net worth, Hayden has to add up all his assets and from the total derived, deduct his liabilities.

Consider the calculations below;

NET WORTH: $17,550

Add ASSETS  

                         Automobile               13600  

                         Retirement Account   6700

                         Checking Account      XX

Less LIABILITIES

                          Student Loan            4800

                          Credit card debt          750

Net Worth                                            <u>17550</u>

The above table can be simplified as follows;

Net worth = Assets - Liabilities

17550 = 20300 + XX - 5550

Collecting like terms, you now have;

17550 -20300 +5550 = XX

2800 = XX

The Checking Account represented by XX is now calculated as $2,800

7 0
3 years ago
The diameter of a circle is 3 meters. what is the radius of the circle?
Alex73 [517]

The radius of a circle is half the length of the diameter so

radius=1.5m

6 0
3 years ago
Read 2 more answers
Marriyam was given $75 for a birthday present. She's going to use that gift, plus the earnings from her summer job, to buy a ska
DanielleElmas [232]

Answer:

250.

Step-by-step explanation:

She Has 75 In Total,

Skateboard Costs = 325 Dollars.

75-325 = 250, So She Needs To Earn 250.

Since 1 Hour = 1 Dollar,

She Needs To Work 250 Hours.

I Apologize For A Wrong Answer Incase.

4 0
3 years ago
Read 2 more answers
Math 64 times40 eaquels 2.56
UkoKoshka [18]

Answer:

Wrong. It equals 2560.

Step-by-step explanation:

<h2><u><em>PLEASE MARK AS BRAINLIEST!!!!!</em></u></h2>
4 0
2 years ago
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