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Makovka662 [10]
3 years ago
11

Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 30 more adult tickets than student tick

ets to the fall play. If the class collected $840 from ticket sales, how many adult tickets were sold?
The drama class sold _____ adult tickets.
Mathematics
1 answer:
nignag [31]3 years ago
8 0
The class sold 80 adult tickets.<span />
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What is the volume of the cylinder? Use 3.14 for pie and round to the answer to the nearest hundred.
Schach [20]

Answer:

502.4

Step-by-step explanation:

Volume of a cylinder(formula)=πr2h

So pie is 3.14

3.14×4×4(radius2)×10

This is equal to 502.4

Hope it helped

5 0
3 years ago
Driver's Delight is considering building a new track. They have a circular space
aleksandr82 [10.1K]

Answer:

<h3>The answer is 471 feet</h3>

Step-by-step explanation:

Since the the track is circular

Circumference of a circle = πd

where

d is the diameter

π = 3.14

From the question

diameter = 150 feet

Circumference = 150π

= 150(3.14)

We have the final answer as

<h3>Circumference = 471 feet</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
. The product of 4.7 and 6.5 equals 30.55. What is the product of 4.7 and 4.7 and
7nadin3 [17]
The answer is 3.5 & 355 because the decimal shifts to the left or right, you move the decimal in the answer too.
4 0
3 years ago
Estimate the sum. Round each number to the nearest whole number, then add. 9 1/2 + 7 1/8
borishaifa [10]

Answer:

12 1/8

Step-by-step explanation:

4 0
3 years ago
Alice has two bags of marbles: Bag A contains 8 red and 3 blue marbles, and Bag B contains 5 red and 7 blue marbles. She randoml
Thepotemich [5.8K]

It might help to draw out a probability tree. Check out the diagram below. The first two branches at the top represent bags A and B. The probability of picking either bag is 1/2 assuming each bag is equally likely to be picked.

If we go with bag A, then the probability of getting blue is 3/11 since there are 3 blue out of 8+3 = 11 total. The probability of getting bag A and a blue marble is (1/2)*(3/11) = 3/22 which I've marked in the diagram as well.

If we go with bag B, then the probability of getting blue is 7/12 since there are 7 blue out of 5+7 = 12 total. The probability of getting bag B and blue is (1/2)*(7/12) = 7/24

Add up the results found getting

P(blue) = P(blue & bag A) + P(blue & bag B)

P(blue) = 3/22 + 7/24

P(blue) = 36/264 + 77/264

P(blue) = 113/264

This is shown in the diagram as well.

--------------------------------------------------

Recall that conditional probability in general is defined as follows

P(A given B) = P(A and B)/P(B)

In this problem, we'll have

P(bag B given blue) = P(bag B and blue)/P(blue)

Therefore, we can say...

P(bag B given blue) = P(bag B and blue)/P(blue)

P(bag B given blue) = (7/24)/(113/264)

P(bag B given blue) = (7/24)*(264/113)

P(bag B given blue) = (7*264)/(24*113)

P(bag B given blue) = (7*24*11)/(24*113)

P(bag B given blue) = (7*11)/(113)

P(bag B given blue) = 77/113

In short, the probability of getting bag B, given the marble is blue, is 77/113.

8 0
2 years ago
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