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HACTEHA [7]
3 years ago
7

Isaac has 21 green marbles and 7 blue .He wants to place them in identical groups without any marbles left over.What is the grea

test number of groups Isaac can make
Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

7 groups

Step-by-step explanation:

Each group would have 1 blue marble and 3 green marbles

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Answer:

y= −2x/3 + 400

Step-by-step explanation:

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Convert 6 4/5 to an improper fraction
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6+(4/5)

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How can tell before you divide 387 by 4, that the first digit of the quotient in in the tens place?
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3 years ago
According to the National Institute of Allergy and Infectious Diseases, approximately 7% of U.S. children 4 years of age or youn
Yuliya22 [10]

Answer:

0.337 = 33.7% probability that one of the eight children has a food allergy.

Step-by-step explanation:

For each children, there are only two possible outcomes. Either they have a food allergy, or they do not. The probability of a child having food allergy is independent of any other child. This means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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And p is the probability of X happening.

7% of U.S. children 4 years of age or younger have a food allergy.

This means that p = 0.07

A day care program has capacity for 8 children in that age range.

This means that n = 8

What is the probability that one of the eight children has a food allergy?

This is P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{8,1}.(0.07)^{1}.(0.93)^{7} = 0.337

0.337 = 33.7% probability that one of the eight children has a food allergy.

6 0
3 years ago
Help fast please geometry
frozen [14]

Answer:

3√6

Explanation:

explanation is in the image above

HOPE THIS HELPS PLEASE MARK ME BRAINIEST

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2 years ago
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