3 years ago

To increase an amount by 11% multiple by

Mathematics

1 answer:

Stels [109]3 years ago

5 0

To increase an amount by11% you need ro Multiple by 1.11

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CONDITIONAL PROBABILITY ASSISTANCE

Mars2501 [29]

Consider such events:

A - selected student is freshmen

B - selected student is girl

$A\cap B$ - selected student is freshman is girl

$A|B$ - choosen girl is freshmen.

Use formula $Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)}$ .

From the table you can see that girls that are freshmen are 4 from all 30 people, then $Pr(A\cap B)=\dfrac{4}{30}$ . There are 18 girls, then $Pr(B)=\dfrac{18}{30}$ . Substitute into the formula:

$Pr(A|B)=\dfrac{\frac{4}{30} }{\frac{18}{30} }=\dfrac{4}{18} =\dfrac{2}{9}$ .

Answer: $Pr(A|B)=\dfrac{2}{9}$ .

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3 years ago

7200 divided by y = 90

Andreas93 [3]

It would be Y=80
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3 years ago

Scott runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?

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Answer:

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Step-by-step explanation:

7 / 80 = 0.0875 (How many miles per min)

0.0875 * 64 = 5.6 miles

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Dan has some marbles

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A. Frank has 24 marbles. I found this because Dan has 15 and total is 63 so subtract 63-15= 48. 48 divided by 2 people, which are Ellie ans Dan is 24. Dan has 24 marbles.

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