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Ronch [10]
3 years ago
8

There are 12 girls and 8 boys in Ms. Sander’s class. Each day, she randomly asks one student to take attendance. In 180 school d

ays, which is the best prediction for the number of times that the student will be a girl?
Mathematics
1 answer:
Assoli18 [71]3 years ago
3 0
If there are 30 students then each student would probably get called up 6 times. I did this by dividing 180 by 30 that got me so each student will go up at least 6 times if there are 30 students
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Is k=3 a reduction or enlargement (dilation)
Verizon [17]

Answer:

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Step-by-step explanation:

8 0
3 years ago
If a canoe travels with a speed of A mph for 3 hours, and then with a speed of B mph for the rest of the journey, how long does
Mandarinka [93]

Answer:

t = (C - 3*A)/B + 3

Step-by-step explanation:

Given in the question that,

the speed with which canoe travelled for first 3 hours = A

the speed with which he travelled for any and all time thereafter = B

As we do not know the values of A, B, or C, so the answer will be an expression for C in terms of A and B.

<h3>Formula to use</h3>

distance = speed x time

C = A*3 + B*(t-3)

Rearranging and solving for t

C - (A*3) = B*(t-3)

C - (A*3) = Bt - B3

C - (A*3) + B3 = Bt

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or

t = (C - 3*A)/B + 3

4 0
2 years ago
How much is 1/11 of 55
shepuryov [24]

Answer:5

Step-by-step explanation:

you just divide 55 by 11

8 0
3 years ago
Read 2 more answers
Julian is 10 years younger than Thomas. The sum of their age is 40. What is Thomas age
Karolina [17]

So first we subtract 10 from 40 and get 30. We divide this by the number of people (2) to get Julian's age: 15. We add 10 to this to get Thomas age = 25. 25 + 15 = 40

Thomas is 25 years old.

3 0
3 years ago
At a local baseball game there are 3 hot dog vendors. collectively the vendors sold 1,700 hot dogs. if vendor a sold 456, vendor
vazorg [7]
456×100÷1700≈26.8
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So the answer is C)27%, 36%, 37%.

Hope this helped!
8 0
3 years ago
Read 2 more answers
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