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Vesna [10]
3 years ago
12

Please help only 9, 10 and 11

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0

Answer:

9) 0.87   10) 1.24   11) 3.40

dalvyx [7]3 years ago
5 0
For number 9 it's 0.87 for 10 it's 1.24 and for 11 it's 3.40 hope this was helpful
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Add. -85.53+(-41.00) <br><br> A. -126.53<br> B. -44.47<br> C. 44.53<br> D. 126.47
Rashid [163]
The correct answer is A
7 0
3 years ago
PLZ HELP ME ANYONE !<br> Does anyone know?
butalik [34]

Answer:

9w^4x^3

Step-by-step explanation:

The greatest common factor of 18 and 27 is 9.

9*2=18

9*3=27

Both numbers share w^4 and x^3, while w^2, v^2, and x^2 will be left over.

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3 years ago
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A teacher is experimenting with a new computer-based instruction and conducts a study to test its effectiveness. In which situat
Mrrafil [7]

Answer:

The teacher gives each student in the class a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a post-test. The teacher wants to see if the difference in scores will show an improvement.

Step-by-step explanation:

In hypothesis testing, there is  a premise or a claim where an analyst want to test or to investigate in an experiment. In this study, different sampling methods are being carried out.

In hypothesis testing, we usually have the null hypothesis and the alternative hypothesis.

The null hypothesis is an established hypothesis which is usually denoted by H_o and it is a currently accepted value or default  for a parameter.

On the other hand the alternative hypothesis or the research hypothesis denoted by H_a came into place to challenge the study to be tested.

In the given question , the teacher wants to see the difference in the outcome of the test scores if there will be an improvement.  The same is true for hypothesis testing, we tends to see the difference in the test statistics result maybe it is significant or not  in order to determine the conclusion on the null hypothesis.

3 0
3 years ago
Which expression has the same value as 8 – (-1)?​
irakobra [83]

Answer: 9

Step-by-step explanation:

Two negatives make a positive. So the expression 8-(-1) is equal to 9, because the two subtraction signs the equation create an addition sign, and the equation becomes 8 + 1.

Therefore, 9 has the same value as 8-(-1).

6 0
3 years ago
Simplify -78 ÷ (-9)<br><br><br><br> (Write answer as a mixed number: whole and fraction remaining.)
juin [17]

Answer:

8 2/3

<em>Y-E-E-T</em>

Step-by-step explanation:

-78 divded by (-9)

-78

-----

-9

there are negatives on both sides. I don't know how to explain that but you can change it to a PLUS.

78/9

divide 3 on both sides

78/3 =26

9/3=3

26/3 now.

so the mixed number would be 8 2/3

3 0
3 years ago
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