Answer:
1). 24
2). 8
Explanation:
1).
285$ - 45$ = 240$
240$/10 = 24$
Therefore, he pays 24$ a month.
2).
Let x be the number than triple:
3x - 5 = 19
3x = 19 + 5
3x = 24
x = 24/3
x = 8
Answer:
a) sample size is 40
Step-by-step explanation:
(a)
minutes
Margin of error, E is 75 seconds E=75/60= 1.25 minutes.
The level of significance
for 95% level of significance
For 95% confidence interval
from standard deviation table
Sample size required, n

Rounding off, n=40
Sample size =40
Keywords:
95% confidence, sample size, Wall Street Journal
Answer:
8/5
Step-by-step explanation:
Answer:
Continuous
Step-by-step explanation:
The numbers do not follow a pattern In golf in order for them to be Categorical they must follow a pattern in which the numbers follow the same path or course these numbers do not.
If you plug in 4 to each x then add all values together you will have the perimeter.
3(4)-4= 8
4^2 -1=15
2(4)^2-15=17
8+15+17= 40
The perimeter of the triangle is 40 feet