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masya89 [10]
3 years ago
7

Please help, I am conpuzzled.

Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0

Answer:

The answer is B

Step-by-step explanation:

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Ari's teacher says he may have his report grade based on either the mean or the median of his last six test scores. 88%, 73%, 97
marta [7]
Both the mean and median
Median 80+88= 168/2= 84%
Mean 504/6= 84%

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4 years ago
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Write the number 31 in tens and ones. 2 tens
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The tens digit of 31 is 3. There are 3 tens in this number and that is equal to 30. Also, the ones digit of this number is equal to 1. The answer to this item are therefore 30 and 1.  Hope This Helps! :)
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The mass of Earth is approximately 5.9 x 1024 kg and the mass of Venus is approximately 4.9 x 1025 kg. What is their total combi
hodyreva [135]
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3 years ago
A test of hypothesis is conducted to determine whether annual income and education level are independent. It is determined that
kramer

Answer: We concluded that annual income and education level are not independent.

Step-by-step explanation:

For the given situation, the null and alternate hypothesis can be formulated as:

H_0: annual income and education level are independent.

H_a: annual income and education level are not independent.

Given,  the value of test statistic is 24.32 and the critical value of test statistics is 13.32.

i.e. the test statistic value is greater than the critical value, thus we have enough evidence to reject the null hypothesis.

Therefore, we reject null hypothesis .

So , we concluded that annual income and education level are not independent.

5 0
4 years ago
Geometry Help!
Elina [12.6K]

Answer:

  • x = 88.76°

Step-by-step explanation:

<u>Use the law of cosines:</u>

  • cos C = (a² + b² - c²)/(2ab)

<u>Apply to the given triangle and solve for x:</u>

  • cos x = (52² + 48² - 70²)/(2*52*48)
  • cos x = 108/4992
  • cos x = 0.02163461538
  • x = arccos 0.02163461538
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4 0
3 years ago
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