the answer to this question is 12 and 60
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Answer: you can approximate any variable in math by looking at the variables in the equation and working the problem through ur head or in paper
Step-by-step explanation:
Answer:
Confidence interval: (1760,1956)
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 81
Sample mean =
Population standard deviation =
Confidence Level = 95%
Significance level = 5% = 0.05
Confidence interval:
Putting the values, we get,
Answer:
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In this question, you're solving for x.
Solve for x:
2(4 - 8x) + 5(2x - 3) = 20 - 5x
Use the distributive property:
8 - 16x + 5(2x - 3) = 20 - 5x
8 - 16x + 10x - 15 = 20 - 5x
Combine like terms:
8 - 16x + 10x - 15 = 20 - 5x
8 - 6x - 15= 20 - 5x
-6x - 7 = 20 - 5x
Add 5x to both sides
-x - 7 = 20
Add 7 to both sides
-x = 27
Divide both sides by -1
x = -27
Answer:
x = -27
