Answer:
5. 2[4 + n]
6. 7 + 314n
7. 3 + n = ⁿ⁄8
Step-by-step explanation:
5.Twice the sum means you need to double the sum. That is why that 2 is on the outside of the sum.
6. 314 OF a number means "the product of" a number. Then, you continue with your SUM by putting a "+" after 314n.
7. I could not make use of your sentence here, so I went with the above answer based on how the sentence might be structured.
I am joyous to assist you anytime.
Answer:X=9 i believe.
Step-by-step explanation:
add 2 and 7
The hcf is also known as the GCF (Greatest Common Factor)
The HCF or GCF can sometimes be one because one of the numbers might be prime.
Prime numbers are the numbers that can be divided by only one and themselves.
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