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KIM [24]
2 years ago
11

Help yall this is for if i need summer school or not

Mathematics
1 answer:
Illusion [34]2 years ago
4 0
I want to say 66 also because they are the same but I may be wrong
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What value of "v" makes 12 = 12 + v ÷ 8 a true statement?
Anni [7]

Answer:

v = 0

Step-by-step explanation:

12 = 12 + v / 8

0 = 1/8v

v = 0

8 0
3 years ago
From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is
Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean \overline x = 56

The formula for calculating the standard error can be expressed as:

S.E = \dfrac{\sigma}{\sqrt{n}}

S.E = \dfrac{14}{\sqrt{49}}

S.E = \dfrac{14}{7}

S.E = 2

Therefore, the standard error of the mean = 2

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2 years ago
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AURORKA [14]
A line is 180°, so the supplementary angel makes up the difference between. 180 - 60 = 120°
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2 years ago
The triangles shown here are congruent
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use your brain

Step-by-step explanation:

3 0
3 years ago
What is the midpoint of 10 and 20
erica [24]

Answer:

15

Step-by-step explanation:

Simply subtract the smaller number from the bigger number, and divide by 2. Or add the two numbers together and divide by 2.

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2 years ago
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