(First equation:Multiply 6•7=42. 42+5=47)=(second equation:7 to the 2nd power is 49. 49-2=47 )
Firstly, find the radius with the formula diameter (d) : 2
8 : 2 = 4 cm
The Vilume formula is r²hπ = 4²*12*π = 16*12*π = 192π cm³
Your exercise says to use "3" as a value for π
Then V is 192*3 = 576 cm³
Answer:
a.
Step-by-step explanation:
Not defined
May be iylt help you
Answer:
The critical value can be founded in the normal standard distribution table using the value of 
and we got 
. Replacing the info given we got:
Step-by-step explanation:
For this case we have the following info given:
represent the population deviation
represent the sample mean
represent the sample size
And we want to find the margin of error for a confidence level of 95%. So then the significance level would be 
and . The margin of error is given by:
The critical value can be founded in the normal standard distribution table using the value of and we got . Replacing the info given we got:
In this problem there are 5 terms.
First term - (a2)
Second term - (ab)
Third term - (8b)
Forth term - (b2)
Fifth term - (-1)
