Melinda has a photo that is 8 inches by 11 inches. She wants to enlarge its length to 44 inches. What should the width be?
2 answers:
Answer:
The other side should be
32 inches
Step-by-step explanation:
This problem bothers on shapes
This one in particular is a rectangular shape
From the problem statement
The photo Frame is in portrait orientation
N/B please see the attached file for your reference
Now she want to enlarge the length
I.e the longer side from 11 to 44 inches
Now from 11 to 44 inches she multiplied the original length by 4
There the other side of original width 8 must be multiplied by 4 also
8*4= 32 inches
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Answer:
68% of the incomes lie between $36,400 and $38,000.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $37,200
Standard Deviation, σ = $800
We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.
Empirical rule:
- Almost all the data lies within three standard deviation of mean for a normally distributed data.
- About 68% of data lies within one standard deviation of mean.
- About 95% of data lies within two standard deviation of mean.
- About 99.7% of data lies within three standard deviation of mean.
Thus, 68% of data lies within one standard deviation.
Thus, 68% of the incomes lie between $36,400 and $38,000.