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3 years ago

(6.2)(0.48) What does this mean and equal?

Mathematics

1 answer:

Tom [10]3 years ago

4 0

It means you multiply 6.2 x 0.48
which equals = 2.976
( ) mean multiply

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What are the coefficients in the problem: 392 + 4x - 5y + x

vovangra [49]

Answer:

the coefficients are 4 and 5 and 1

Step-by-step explanation:

the 4 and 5 have a variable in front of them. There's a ghost 1 in front of the x, because it's value is 1 times whatever the value of x is

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2 years ago

The quotient of six times a number and 11

zhuklara [117]

This would look like 6x/11. Since the problem doesn’t state the answer then you would simply write the expression.

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3 years ago

In the Ardmore Hotel, 20 percent of the guests (the historical percentage) pay by American Express credit card. (a) What is the

xxMikexx [17]

Answer:

(a) The expected number of guests until the next one pays by American Express credit card is 4.

(b) The probability that the first guest to use an American Express is within the first 10 to checkout is 0.0215.

Step-by-step explanation:

The random variable X can be defined as the number of guests until the next one pays by American Express credit card

The probability that a guest paying by American Express credit card is, p = 0.20.

The random variable X follows a Geometric distribution since it is defined as the number of trials before the first success.

The probability mass function of X is:

$P(X=x)=(1-p)^{x}p;\ x=0,1,2,3...,\ 0$

(a)

The expected value of a Geometric distribution is:

$E(X)=\frac{1-p}{p}$

Compute the expected number of guests until the next one pays by American Express credit card as follows:

$E(X)=\frac{1-p}{p}$

$=\frac{1-0.20}{0.20}$

$=4$

Thus, the expected number of guests until the next one pays by American Express credit card is 4.

(b)

Compute the probability that the first guest to use an American Express is within the first 10 to checkout as follows:

$P(X=10)=(1-0.20)^{10}\times0.20$

$=0.1073741824\times 0.20\\=0.02147483648\\\approx0.0215$

Thus, the probability that the first guest to use an American Express is within the first 10 to checkout is 0.0215.

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3 years ago

Bryan estimates the cost of a vacation to be $730. The actual cost of the vacation is $850. Find the percent error. Round the ne

Ray Of Light [21]

The answer is negative. You subtract 730 from 850

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3 years ago

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ipn [44]

Answer:

Step-by-step explanation:

No. We have 3 angles of triangle ABC congruent to 3 corresponding angles of triangle LMN. That is AAA. To use ASA, you need two angles and an included side. With three angles, you can prove the triangles similar, but not congruent.

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2 years ago