3 years ago

How can you determine the same price if you are given the regular price and a percent of markdown

1 answer:

4 0

You can determine the actual markdown by changing the percentage to a decimal then multiplying it by the price to find your mark down.

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9.173 what is the value of 9?

omeli [17]

Answer:

the value of 9 is ones

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3 years ago

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Gorge was able to solve 36 math problems in 15 muinutes. Urban was able to solve 42 math problems in 20 muinutes. Who was able t

MrRissso [65]

Answer:

Urban, 2.1 mins

Step-by-step explanation:

36 ÷ 3 = 2 (Gorge's)

42 ÷ 2 = 2.1 (Urban)

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3 years ago

The diameter of a circle is 9 inches. What is the radius?

Deffense [45]

R=1/2*d
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3 years ago

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Sixty-eight percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adu

Pavlova-9 [17]

Answer:

Mean = 3.4

Variance = 1.088

Standard deviation = 1.0431

Step-by-step explanation:

$P=0.68\\ \\N=5$

The mean of a binomial distribution with parameters N (the number of trials) and p (the probability of success for each trial) is $m=N\cdot p$

Thus,

$m=5\cdot 0.68=3.4$

The variance of the binomial distribution is $s^2=Np(1-p)$ , where $s^2$ is the variance of the binomial distribution, so

$s^2=5\cdot 0.68\cdot (1-0.68)=3.4\cdot 0.32=1.088$

The standard deviation $s$ is the square root of the variance $s^2,$ so

$s=\sqrt{1.088}\approx 1.0431$

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3 years ago

A math test has a total of 25 problems. Some problems are worth 2 points and some are worth 4 points. They add up to 60 points.

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Answer:

25.

Step-by-step explanation:

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3 years ago