Answer:
C.
<em><u>hope this helps :)</u></em>
<span>217.46 is the answer hoped I helped</span>
Answer:
a
b
c
Step-by-step explanation:
From the question we are told that
The mean of X is
The standard deviation of X is
The mean of Y is
The standard deviation of Y is
Considering question a
Generally the mean of Z = 2 + 10X. is mathematically represented
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Considering question b
Generally the mean of Z = 10X - 2.. is mathematically represented
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Considering question c
Generally the mean of -3X - 2Y is mathematically represented
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70%
A percentage is the same thing as a fraction with a denominator of 100. To make our current denominator change to 100, we must multiply it by 10. So, we must do the same thing to the numerator. 7 times 10 is 70, and 10 times 10 is 100. This means 7/10 equals 70/100, which is 70%.
Answer: 73
Step-by-step explanation:
Both sides are exactly the same