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3 years ago

Solve the literal equation for y. 8x-3=5+4y

2 answers:

7 0

To solve the equation for y, we have to isolate y on one side by itself.

8x - 3 = 5 + 4y

Subtract both sides by 5

8x - 3 - 5 = 4y
8x - 8 = 4y

Divide both sides by 4

2x - 2 = y

BartSMP [9]3 years ago

4 0

Since you have to find the value for y, you have to separate 4y from the rest of the equation. It goes from 8x-3=5+4y to 8x-3-5=4y.
Solution: 8x-3-5=4y
8x-8=4y
8x/4 - 8/4 = 4y/4
4x-2=y
Answer: 4x-2=y

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3 years ago

The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airp

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Answer:

Confidence Interval in 95% confidence level for the quality rating is (6.06,7.46)

Step-by-step explanation:

Confidence Interval can be calculated using the formula M±ME where

M is the mean of the sample
ME is the margin of error in a given confidence level

Using the sample obtained from 50 business travelers we get

Mean of the sample is 6.76
standard deviation of the sample is 2.526

Margin of error (ME) around the mean using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic in 95% confidence level (1.96)

s is the standard deviation of the sample (2.526)

N is the sample size (50)

Using the numbers in the formula we get:

ME= $\frac{1.96*2.526}{\sqrt{50} }$ ≈ 0.70

Then the confidence interval becomes 6.76±0.70

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3 years ago

If a recipe calls for 4 1/2 cups of flour for 48 cookies, how much flour would be needed for 24 coockies?

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Answer:

2 1/4

Step-by-step explanation:

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3 years ago

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Answer:

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