Answer:
8
Step-by-step explanation:
4 ÷ 1/2
~Turn the 4 into a fraction
4/1 ÷ 1/2
~Copy Dopt Flip
4/1 * 2/1
~Multiply
8/1
~Simplify
8
Best of Luck!
Answer:
9,000 m
Step-by-step explanation:
1 km = 1,000 m
3 * 3 = 9 km
9 * 1,000 = 9,000 m
-5x + 12 = 32 Subtract 12 from both sides
-5x = 20 Divide both sides by -5
x = -4
Answer: -15x+6
Step-by-step explanation:
c(x) = 3x - 6
d(x) = -5x + 4
(cod)(x)=
c(d(x))=
c(-5x+4)=
3(-5x+4)-6=
-15x+12-6=-15x+6
Answer:
The 95% confidence interval is ( 27.126 , 34.674)
Step-by-step explanation:
Given
The t critical value at 0.05 level = 2.023 for the df = 39
Confidence interval = 95%
Mean

Substituting the given values we get -

Hence, the 95% confidence interval is
( 27.126 , 34.674)