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Oksanka [162]
2 years ago
13

HI everyone, this questions last part is hard, I promise to give BRAINLIEST to the first correct answer, and I always keep up my

promise.
Thanks!

Mathematics
1 answer:
sertanlavr [38]2 years ago
8 0

\huge\underline{Answer ☘}

a) students that travel to school by car = 14

students that do not travel to school by car = 11

total number of students = 14 + 11 = 25

percentage of students that do not travel by car =

\frac{11}{\cancel{25}}  \times \cancel{100} \\  \\  =  > 11 \times 4 \\  =  > 44\% \\

<h2>—————————————</h2>

b) 3 since we've 4 such cars in which 2 students travel , which gives us 8 students. then we've 1 car in which 3 students travel . adding them up , we get 8 + 3 = 11 students.

we've to find the number of cars that carry just 1 student.

this can be found by ,

14 - 11 = 3 cars

<h2>—————————————</h2>

c)

mean \:  =  \:  \frac{sum \: of \: observations}{total \: number \: of \: observations}  \\  \\ mean \:  =  \frac{8}{6}  =>  \frac{4}{3}  \\ \\   =  > 1.33

hope helpful ~

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5 0
4 years ago
What simple interest rate is needed for $1000 to grow to $1071.25 in 9 months?
BlackZzzverrR [31]

Answer:

9.5%

Step-by-step explanation:

Use the formula I = Prt

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9 months is a fraction of a year. There are 12 months in a year, so our fraction is 9/12. You can reduce this fraction by dividing by 3. The fraction reduced is 3/4. You can also use the decimal which is .75.

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Plug the numbers in to the formula. We are solving for r.

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3 0
2 years ago
Read 2 more answers
2. Find the theoretical probability of not rolling a 4.
mezya [45]

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8 0
3 years ago
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