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grin007 [14]
3 years ago
5

When multiplying two fractions, multiply the numerator of one fraction by the ? of the second fraction. this product is placed o

ver the product of the two denominators?
Mathematics
1 answer:
raketka [301]3 years ago
8 0
Multiplication is the easiest operation to perform with fractions among others. You just have to simply multiply the numerators, then multiple the denominators individually. Then, just take the product of the numerator over the product of the denominator. In other word, the complete statement should be:

When multiplying two fractions, multiply the numerator of one fraction by the <u>numerator</u> of the second fraction. T<span>his product is placed over the product of the two denominators.</span>
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adell [148]

Answer:

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Step-by-step explanation:

step-by-step explanation

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5 0
3 years ago
An elevator containing five people can stop at any of seven floors. What is the probability that no two people exit at the same
elena-s [515]

Answer:

Approximately 0.15 (360 / 2401.) (Assume that the choices of the 5 passengers are independent. Also assume that the probability that a passenger chooses a particular floor is the same for all 7 floors.)

Step-by-step explanation:

If there is no requirement that no two passengers exit at the same floor, each of these 5 passenger could choose from any one of the 7 floors. There would be a total of 7 \times 7 \times 7 \times 7 \times 7 = 7^{5} unique ways for these 5\! passengers to exit the elevator.

Assume that no two passengers are allowed to exit at the same floor.

The first passenger could choose from any of the 7 floors.

However, the second passenger would not be able to choose the same floor as the first passenger. Thus, the second passenger would have to choose from only (7 - 1) = 6 floors.

Likewise, the third passenger would have to choose from only (7 - 2) = 5 floors.

Thus, under the requirement that no two passenger could exit at the same floor, there would be only (7 \times 6 \times 5 \times 4 \times 3) unique ways for these two passengers to exit the elevator.

By the assumption that the choices of the passengers are independent and uniform across the 7 floors. Each of these 7^{5} combinations would be equally likely.

Thus, the probability that the chosen combination satisfies the requirements (no two passengers exit at the same floor) would be:

\begin{aligned}\frac{(7 \times 6 \times 5 \times 4 \times 3)}{7^{5}} \approx 0.15\end{aligned}.

5 0
2 years ago
PLEASE HELP ME QUICK!!!20 POINTS!!!!!!!!
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the volume scales by (1/10)^3. so it would be 48.875*10^-3.

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3 years ago
Angles P and Q are supplementary angles. If m
RSB [31]

Supplimentary angles add upto 180 degrees.

Given that angle P is three times angle Q-4 then ;

Let angle P be 3(x-4) = 3x -12

Let angle Q be x

Applying the rule of supplimentary angles;

3x-12+x=1804x-12=1804x=180+124x=192

Divide both sides by 4 to get value of x in degrees

x=\frac{192}{4}=48

x= 48 degrees

Angle Q = 48 degrees

Angle P = 3x-12 = (3*48)-12 = 132 degrees

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11 months ago
Solve and solve work please
nikitadnepr [17]

Answer:

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2 years ago
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