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melisa1 [442]
3 years ago
11

What is the surface area of a right cylinder which has a base with radius 9 units and has a height of 12 units?

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
8 0

Answer:

1187.52

Step-by-step explanation:

A=2πrh+2πr2=2·π·9·12+2·π·92≈1187.52202

Evgesh-ka [11]3 years ago
6 0

Answer:

1187.997

Step-by-step explanation:

surface area =2πrh+2πr^2

(2•22/7•9•12)+(2•22/7•9^2)

44/7(108)+44/7(81)

6.285(108)+6.285(81)

678.857+509.14

1187.997

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A recipe for lemonade calls for ½ quarts of lemon juice and ¾ cups of sugar. How much lemon juice is needed for 7.5 cups of suga
Ugo [173]

Answer:

5

Step-by-step explanation:

3/4*10=7.5, so 1/2*10 is the amount of lemon juice you need, which is 5

5 0
3 years ago
Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that there are equals 7 ​trials, eac
NeTakaya

Answer: 0.5

Step-by-step explanation:

Formula for binomial probability :-

P(x)=^nC_xp^x(1-p)^{n-x}, where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.

Given : The number of trails : n=7

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Now, the probability that the number x of correct answers is fewer than 4 will be :-

P(x

Hence, the probability that the number x of correct answers is fewer than 4 = 0.5

4 0
3 years ago
Read 2 more answers
Are they simular and why​
S_A_V [24]

Answer:

YES

Step-by-step explanation:

because there the same shape but the right one is moved to the side a little bit

4 0
3 years ago
Solve If QR = 6x + 1, PR = 14x - 13, and PQ = 5x - 2, find PR
solong [7]

Answer:

P____Q____R

PR= PQ+ QR

(14x-13) = (5x-2)+(6x+1)

14x-13= 11x – 1

14x – 11x = 13–1

3x = 12

x= 12/ 3

x= 4

PR= 14x – 13 = 14 (4) – 13 = 18 – 13= 5

If you want (PQ , QR ) this is the solution

PQ =5x-2=5(4)-2=20-2=18

QR =6x+1=6(4)+1=24+1=25

I hope I helped you^_^

7 0
3 years ago
10,792,400 in word form
Studentka2010 [4]
10,792,400 in word form would be ten million seven hundred ninety-two thousand four hundred. hope this helps! ♥
7 0
3 years ago
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