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Korvikt [17]
3 years ago
9

Kalvin tosses a paper cup once a day for a year to determine his breakfast cereal. 85% of the time the cup will land on its side

, and 15% of the time the cup will land on its end.
How many times do you expect the cup to land on its side?



How many times do you expect the cup to land on its end?
please explain your work
Mathematics
1 answer:
Vlad [161]3 years ago
3 0

Answer:

the cup will land on its side 310 times and it'll land on the end 55 times

Step-by-step explanation:

To determine the amount of times it lands on the side, take the days in a year, 365, and multiply that by .85, which gets you 310. To get the amount of times it lands on its end, just subtract 310 from 365.

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Solve the following quadratic equation by completing the square ✓3x^2 + 10x + 7✓3 = 0​
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5 0
3 years ago
24% students in a clan were absent in a day .If 38 students were present ,what is the total strength in the clan
Lemur [1.5K]

Answer:

50 students

Step-by-step explanation:

24% students in a clan were absent in a day .

Hence, the Percentage of students present is calculated as:.

= 100 % - 24 %

= 76%

From the question, we know that:

If 38 students were present ,what is the total strength in the clan

The total strength of the clan = Total number of students. This is calculated as:

76% × x = 38 students.

76/100 × x = 38

76x /100 = 38

Cross Multiply

76x = 38 × 100

x = 3800/76

x = 50 students

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(10 POINTS AND BRAINLIEST)
bekas [8.4K]

Answer:

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Step-by-step explanation:

okay we know kathy spent 15.60 in total at the post office

so we know 15.60 will be after the equal sign.

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Me i go thru each one and solve for x

lucky for me i just need to solve one

because equation A solves it correctly.

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15.60-11.40

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