well the intercepts are (8,0) and (-4,0) its a lot of math so you need to find it i would show you but i have a quiz
im not sure tho soo
Answer:
44.8
Step-by-step explanation:
cos α = adjacent leg/hypotenuse
cos 48° = 30/x
x = 30/(cos 48°) = 44.8
Answer:
A. 7
Step-by-step explanation:
you bring down the 1 and multiply it by -2 then -2 goes to add with 2, which makes it 0. Then 0 x -2 is 0. 0 then goes to add with -3, then -3 comes down. -2 x -3 is 6. 6+1 is 7.
Answer:
Down below. was solved using an equation.
Step-by-step explanation:

She would need 8 hours of babysiting
Answer:
a) (76.21,83.79)
b) (77.32,82.68)
c) Interval decreases
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 60
Sample mean = 80
Sample standard Deviation, s = 15
a) 95% Confidence interval:

Putting the values, we get,


b) Sample size, n = 120
95% Confidence interval:

c) As observed increasing the sample size, the confidence interval become smaller.