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pychu [463]
2 years ago
9

Please answer max 10 min, I have a test.

Mathematics
1 answer:
larisa86 [58]2 years ago
7 0

Step-by-step explanation:

floor = 12*10= 120 sq ft

rug = r² = 9 Пr2

120-9π = 91.74 sq ft

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According to the graph, what is the value of the constant in the equation
BaLLatris [955]

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The answer is C: 75

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The constant is found by multiplying your height and width, so thats really all you do.

25x3=75

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Thomas has some leftover paint that he would like to sell. He mixes 4 gallons of blue paint with 6
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3 years ago
In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20
DiKsa [7]

The percentage of winning if 20 winning numbers are randomly selected from numbers 1 to 80 is 12.48%.

Given There are 80 numbers from which 20 numbers are selected randomly in a game of Keno by player and after selection of 20 winning numbers again 20 numbers are selected and player wins if the player has correctly selected 3,4,or 5 of the 20 winning numbers.

Probability is the chance of happening an event among all the events possible.

Probability of winning is calculated as under:

Probability=C(20,3)C(60,17)/C(80,20)

We have taken C(20,3) because player will win if 5 numbers are selected from 20 winning numbers.

We have taken C(60,17) because after selection of 20 numbers 60 numbers will left from 80 and after winning from 3 numbers 17  numbers left and from total 80, 20 numbers are taken.

=C(20,3)C(60,17)/C(80,20)

=(20!/3!17!  * 60!/17!43!)/80!/20!60!

=1140*387221678682300/35353161422121743200

=12.48%

Hence the probability of winning is 12.48%.

Learn more about probability at brainly.com/question/24756209

#SPJ4

5 0
1 year ago
Using the graph below, select all statements that are true. A. f(-3.4) = -4 B. This is the graph of the greatest integer functio
Kaylis [27]
I think its b im not sure
4 0
3 years ago
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