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2 years ago

14

Ms. Ritchie has 42 sheets of paper for an art project. Each student needs 5 sheets. How many students can get paper? How many sh

eets are left over

2 answers:

Grace [21]2 years ago

7 0

40/5= 8 So eight students would get the correct amount of paper. With 2 sheets left over.

Serggg [28]2 years ago

4 0

Answer:

8.4

Step-by-step explanation:

42÷5

then just multiply your answer to 5 to see if it is right

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Answer and Step-by-step explanation:

<em>116 b.</em>

$2^{10} = 1024\\2^8 = 256\\\\1024 + 256 = 1280\\\\\\2^5 = 32\\2^3 = 8\\\\32 - 8 = 24$

1280 × 24 = 30720

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<em>116 c.</em>

$16^3 = 4096\\8^3 = 512\\\\4096 - 512 = 3584\\\\\\4^3 = 64\\2^3 = 8\\\\64 + 8 = 72$

3584 × 72 = 258048

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<em>116 d.</em>

$125^2 = 15625\\25^2 = 625\\\\15625 + 625 = 16250\\\\\\5^2 = 25\\\\25 - 1 = 24$

16250 × 24 = 390000

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2 years ago

The true probability of a baby being a girl is 0.475. What is the probability that at least one is a boy?

alex41 [277]

Answer:

The probability that at least one is a boy is 0.525

Step-by-step explanation:

P(Baby being a girl) = 0.475

Now, if A is any arbitrary event . Then:

as we know P(A)+ P(not A) = 1

⇒ P(A not happening) = 1 - P(A event happening)

Also, P( baby not being a girl) = P(baby being a boy)

So, P(baby being a boy) = 1 - P( baby being a girl)

= 1 - 0.475 = 0.525

Hence, the probability that at least one is a boy is 0.525

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QUESTION 9.1 POINT

Rainbow [258]

Answer:

120 different color combinations are possible.

Step-by-step explanation:

The order in which the color are chosen is not important(blue, green and red is the same outcome as red, blue, green), which means that the combinations formula is used to solve this question.

Combinations formula:

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

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

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