How many different four-person relay teams can be chosen from eight students

Answers

Answer 1

Answer: slot method

8 optionns n 1st slot
7 options in 2nd slot (since 1 is at 1st slot)
6 options in 3rd slot
5 options in 4th slot

8*7*6*5=1680 ways

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A bag holds 28 blue marbles and 49 red marbles. What is the ratio of red marbles to the total number of marbles in the bag? A) 7 to 11
B) 7 to 4
C) 4 to 7
D) 4 to 11

Answers

the answer to this question is A

Hi there, 28+49=77 total of marbles, 49 red marbles. 49:77, 49:77 simplified is 7:11, 7/11 and 7:11 is the same as 7 to 11. Therefore, the answer is A) 7 to 11

What is the number sequence for 32,26,20

Answers

Minus 6. You have to - 6 each time

You have to minus 6 to get the next answer

The temperature on Mars is -85°F and the temperature in the clouds of Jupiter is-234°F. Which planet is colder?

A. Jupiter

B. Mars

Answers

It’s b because it’s -85 f so the planet is colder

49/7 as a mixed number

Answers

The answer is 1 on its own.Edit: it's 7

The answer is 7 because if you simplify 49/7 it would be 7.
( 49/7 divide numerator and denominator by 7 and you get 7/1)

What’s is the factor expression of 12x-10

Answers

Answer:

2(6x-5)

Step-by-step explanation:

2 is the greatest common factor of both 12 and 10.

Mrs t class is taking a field trip to the zoo the trip will cost $26for each student there are 22 student in class

Answers

572 is the answer, I think.

22x26. Is 572 it will cost

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Erin is training for a marathon and wants to run at least 14 1/2 miles. she has already run 3 7/8 miles and starts to jog at a steady rate of 8 1/2 miles per hour. write an inequality using the time t, in hours, to find the possible amounts of time remaining for her jog.

Which solid figures are best for construction? Explain why

PLEASE HELP ASAP!! MARKING BRAINLIEST :D

What is a rational number equivalent to 3.12 with a line over 12