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RSB [31]
3 years ago
15

How many 18 inch square tiles are needed to pave the floor of a patio that measures 18 ft by 15 ft?

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
6 0
Hehchencnsnsnxndnxnbdh djxndn
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A 100-point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response
Alex17521 [72]

Answer: 3x+8y=100

x+y=20

x=12

y=8

Step-by-step explanation: x would represent the number of multiple choice questions and y would represent the number of short response questions. the multiple choice questions were 3 points meaning that you need to find x. the short answer response questions were 8 points meaning you need to find y. altogether you need to get 100 points. for the second equation you have 20 questions that need to be both multiple choice and short response. therefore the second equation would be x+y=20. if you solved this, the answer would be that x equals 12 and y equals 8. hope this helped! :))

3 0
3 years ago
In finance the notion of expected value is used to analyze investments for which the investor has an estimate of the chances ass
blagie [28]

Answer:

Step-by-step explanation:

The expected return is given as

Expected Return = SUM (Return i x Probability i). i=1,2,3.....

First investment

Probability of 0.7, it returns 60cents per dollars

Second investment

Probably of 0.3, it loses 20cents per dollar.

Expected return=(0.7×60)-(0.3×20)

Excepted return= 42-6

Excepted return=36cents

To dollars, 1cents is 0.01dollars

Then, 36cents = 0.36dollars

Expected return=$0.36

7 0
2 years ago
7,095 : 62 =<br> Help me I need it
zlopas [31]

Answer:

Your answer to this would be 114.44

It was 114.435, but I round it.

4 0
3 years ago
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A class planted 130 seeds. 52 seeds grew into plants. What percent of the seeds grew into plants?
Alexus [3.1K]

Answer:

40%

Step-by-step explanation:

52/130 =.4

.4 x 100=40

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3 years ago
At a border inspection station, vehicles arrive at the rate of 10 per hour in a Poisson distribution. For simplicity in this pro
7nadin3 [17]

Answer:

no❤️Step-by-step explanation:

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