If you picture a cylinder rolled out flat. there would be two circles for top and bottom and then a rectangle for the side. The rectangle would have width equal to height and length equal to circumference.
So then the areas of the pieces are added together to get total surface area.
= 2pi(3x-2)^2 + 2pi(3x-2)(x+3)
and you can simplify this is you want by multiplying through and combining like terms.
= 2pi(12x^2 - 5x -2)
or factor more to simplify the solution.
= 2pi(3x-2)(3x-2+x+3)
= 2pi(3x-2)(4x+1)
Answer:
25.4, 28.6
Step-by-step explanation:
Given parameters
sample size, n = 24
sample mean, X = 27
population standard deviation, s = 3
critical value, Zα/2, where α = 0.01
99% confidence Interval, CI, is given as follows
CI = X ± Zα/2 × (s/√n)
Zα/2 = Z0.01/2 = Z0.005 = 2.576
CI = 27 ± 2.576 × (3/√24)
= (25.42 ,28.57)
Answer:
$12 less each month
Step-by-step explanation:
Find how much less James makes by solving for x in the equation:
12(80 - x) = 816
960 - 12x = 816
-12x = -144
x = 12
So, James makes $12 less each month than Matt does.
23 mph + 2 mph current = 25 mph
3 hours at 25 mph =
75 miles
What is the value of 2,0,1,2,4,1,4,0,3,2 the answers are 0, 2, 3, and, 4
kozerog [31]
Answer:
<u>1 . 9 or 2</u> (Rounds up to 2)
Step-by-step explanation:
I'm guessing you wanted the mean of the numbers.
<em>Step One: Add all the numbers</em>
2 + 0 + 1 + 2 + 4 + 1 + 4 + 0 + 3 + 2 = 19
<em>Step Two: Divide by the amount of numbers there are</em>
19 / 10 = 1 . 9
<u>= 1 . 9</u>
