Answer:
Step-by-step explanation:
D.dilation changes the size is your answer. Hope this helps!
Answer:
54.80 MPa to 55.92 MPa
Step-by-step explanation:
Sample mean fracture strength (x) = 55.36 MPa
Sample standard deviation (s) = 3.99 MPa
Sample size (n) = 196.
The upper and lower bounds for a 95% confidence interval are given by:

The upper and lower bounds of the confidence interval are;

The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa
Answer:
Step-by-step explanation:
-2 x 14 = -28
b is the answer
Answer:
27
Step-by-step explanation:
5y-2z
1.plug in
5(8)-2(9)
2.solve
5(8)=45
3.solve
2(9)=18
4.subtract
45-18=27
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answered by aurinda
hope it helps:)
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