Answer:
T = 290
Step-by-step explanation:
We can find the sum of all observations multiplying sample size (n) by sample mean (x).
Sum of all observations in the data set is,
Hope this helps!
The complete question is :
Question: What is the coefficient in the expression 10x²-7?
The coefficient in the expression is 10
<h3>What is Coefficient?</h3>
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
According to the question,
The expression given is
The variable given is x
We need to find the coefficient in the expression.
In the given expression x is the variable and the number before the x is coefficient which is 10 .
Hence the coefficient in the expression is 10.
Learn more about coefficient here:
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Answer:
43.8 km to the nearest tenth.
Step-by-step explanation:
5 miles is 8 km
so 1 mile = 8/5 km
and 27.4 miles = 27.4 * 8/5
= 43.84 km
Patty because she has the lowest time out of them all. From least to greatest Patty would be the least with her time being shorter than the rest
Answer:
C.5.7
Step-by-step explanation:
plug in the x value then add 4.5 to 1.2 and booyyah