MATHEMATICS MIDDLE SCHOOL

What would be the answer? 24

Answers

Answer 1

Answer:

Answer:

John has 24 crayons.

Step-by-step explanation:

36-12= 24

Answer 2

Answer: u wud add 36 and 12, because it’s saying that john has 12 MORE than Hunter, who has 36. hope this helps :)

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What does it mean for a figure to be 3-D

Answers

We are able to see the "entire" figure and not just one side or a "flat" side.

It's 3 dimensional. It means that it isn't flat. Like if you look at a person, they are thre dimensional. But if you look at a picture or a 2d movie, it's flat.

What is 4/9 times 2/3

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The answer to 4/9 times 2/3 is 8/27 because when multiplying fractions you multiply the numerators (top numbers ) and denominators ( bottom numbers ) to get your answer then you simplify but in this case you don't have to.

You would find a common denominator whoch is 9. 2/3 is now 6/9. Your new problem is 4/9 times 6/9 equals 24/81

What is 0.49 divided by 2? show your work.

Answers

.245 hope this helps!! :)

Matt is raking leaves for his neighbors. It takes him 7/8 hour to rake one lawn. How long will it take Matt to rake the leaves for 6 neighbors?

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$6*(7)/(8)=(6*7)/(8)=(42)/(8)=5(1)/(4)$
5 hours and 15 minutes (5 hours and a quarter)

It will take him 5 hours and 15 minutes to rake the leaves for 6 neighbors. Hope I could help! :D

The probability that a child will learn to swim before age 6 is 0.312. If you take a group of 12 children, what is the probability that 1 or fewer of the children will learn to swim before age 6? (Round your answer to 3 decimal places if necessary.)

Answers

Answer:

The probability of 1 or less children from that group to learn how to swim before 6 years of age is 0.072

Step-by-step explanation:

In this case we need to compute the probability of none of these 12 children learns to swim before 6 years of age. This is given by:

p(0) = (1 - 0.312)^(12) = 0.688^(12) = 0.01124

We now need to calculate the probability that one child learns to swim before 6 years of age.

p(1) = 12*0.312*(1 - 0.312)^(11) = 3.744*(0.688)^(11)

p(1) = 3.744*0.01634

p(1) = 0.0612

The probability of 1 or less children from that group to learn how to swim before 6 years of age is:

p = p(0) + p(1) = 0.01124 + 0.0612 = 0.07244

55% of what number is 77?

Answers

Set up an equation
Let the number be x.
55% of x = 77
"of" means multiply, so
55% * x = 77
55% is the same as 0.55 (% means divide by 100).
0.55x = 77
x = 140