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2 years ago

Find the total surface area of each of the following cylinders.

Mathematics

1 answer:

zhuklara [117]2 years ago

5 0

Answer:

$272\pi$

Step-by-step explanation:

Area of Circle =

$\pi {r}^{2} \\ r \: = \frac{8}{2} = 4 \\ \pi {4}^{2} = 16\pi$

Circumference =

$\pi d \\ 8\pi$

SA =

$2(16\pi) + 30(8\pi) = 272\pi$

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A roulette wheel has 38 slots total, 36 of which are numbered 1 through 36, and 2 green slots labeled "0" and "00." For any spin

Morgarella [4.7K]

Answer:

Probability (Roulette ball not landing on red) = 10 / 19

Step-by-step explanation:

Given:

Number of total slots = 38

Number of red slots = 18

Number of black slots = 18

Number of green slots = 2

Find:

Probability (Roulette ball not landing on red)

Computation:

Probability (Roulette ball not landing on red) = 1 - Probability (Roulette ball landing on red)

Probability (Roulette ball not landing on red) = 1 - (18 / 38)

Probability (Roulette ball not landing on red) = 20 / 38

Probability (Roulette ball not landing on red) = 10 / 19

7 0

2 years ago

Tisha and her academic team are working to go to state finals. They must have a certain number of points to advance. They have h

kolbaska11 [484]

Answer:

$b=\frac{T-a-c-d}{3}$

b = (T - a - c - d) / 3

Step-by-step explanation:

Let T be the total number of points required to advance.

a, c and d are points scored in the local matches, and b is the number of points scored in the district match. If b is worth 3 times as much as the other matches, the total number of points is given by:

$T=a+c+d+3b$

Isolate b in order to find out how many points they need in the district match:

$T=a+c+d+3b\\3b=T-a-c-d\\b=\frac{T-a-c-d}{3}$

They need to score (T - a - c - d)/3, in the district match in order to win.

4 0

2 years ago

Jacob and Zachary go to the movie theater and purchase refreshments for their friends. Jacob spends a total of $18.25 on two bag

IceJOKER [234]

Answer:

one bag of popcorn costs - 5

Step-by-step explanation:

3 0

2 years ago

Each year a car is worth 8% less than it was the year before. After 3 years, the car is worth $19,311.46. What was the original

vagabundo [1.1K]

Answer:

$24,800

Step-by-step explanation:

If a car is worth 8% less after one year, then it is worth 92% of the original value.

original value = x

after 1 year: 0.92x

after 2 years: 0.92(0.92x)

after 3 years: 0.92(0.92(0.92x))

0.92³x = $19,311.46

x = $19,311.46/0.92³

x = $24,800

3 0

1 year ago

A proportional relationship is represented by the equation 2x = 18y. IF y = kx, where k is the constant of proportionality, find

ddd [48]

2x=18y
divide 2
x=9y
9y=x
divide by 9
y=1/9x

k=1/9

3 0

3 years ago