3 years ago

I need help please.

Mathematics

1 answer:

IgorC [24]3 years ago

8 0

The answer a I believe so.

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Which of the following symbols could correctly finish the statement? select all that apply.

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Part B) the answer is >

Step-by-step explanation:

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What is the answer to this question and how would I solve it for when I have another question like it

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An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be >3

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Answer: $\bold{\dfrac{5}{12}}$

<u>Step-by-step explanation:</u>

greater than 3 means the sum is either 4, 5, or 6.

There are 15 permutations that meet the criteria:

(1, 3), (1, 4), (1, 5), (1,6)

(2, 2), (2, 3), (2, 4), (2, 5), (2,6)

(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3,6)

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(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5,6)

(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6,6)

There are 6²= 36 total permutations for 2 dice.

$Probability=\dfrac{\#\ of\ permutations> 3}{total\ \#\ of\ permutations}\\\\.\qquad \qquad =\dfrac{15}{36}\\\\.\qquad \qquad =\dfrac{5}{12}\\\\$

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Elijah gets paid $15.50 per hour in addition to a weekly salary of $50. This week he wants to earn more than $400. How many hour

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m=total salary
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put 400 in for m
400=15.50h+50
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400=15.50h+50
-50. -50
350=15.50h
Divide 350 by 15.50to get your final answer
you get a long decimal so I rounded it.
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Start with five stones

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