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3 years ago

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Karen earns a base salary of $2,000 a month. Additionally, she earns 20% commission on all of her sales. Which equation models h

er salary, s, for the month after d dollars of merchandise sold?

2 answers:

astra-53 [7]3 years ago

6 0

Answer: Our required equation will be $s=2000+0.2d$

Step-by-step explanation:

Since we have given that

Base salary of Karen = $2000

Rate of commission on all of her sales = 20%

We need to write a equation:

Let the total salary of her be 's'

Let the number of dollars of merchandise sold be 'd'

According to question, it becomes

$s=2000+\frac{20}{100}\times d\\\\s=2000+0.2d$

Hence, our required equation will be $s=2000+0.2d$

maks197457 [2]3 years ago

4 0

Answer:

if on usatestprep it is A

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

What is 17.70 = 7/2m + 13.50 ?

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<u>answer:</u> $m = 1.2$

<u>work:</u>

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4. a) A ping pong ball has a 75% rebound ratio. When you drop it from a height of k feet, it bounces and bounces endlessly. If t

Klio2033 [76]

First part of question:

Find the general term that represents the situation in terms of k.

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$a_{1} = k$

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Our general term would be:

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Second part of question:

If the ball dropped from a height of 235ft, determine the highest height achieved by the ball after six bounces.

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$n$ represents the number of times the ball bounces:

$n = 6$

Plugging this back into our general term of the geometric series:

$a_{n}=k(\frac{3}{4}) ^{n-1}$

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Third part of question:

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$S_{n}=\frac{a_{1}(1-r^{n})}{1-r}$

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$a_{1}= k = 235\ ft$

$r=\frac{3}{4}$

$n = 12$

Therefore:

$S_{n}=\frac{(235)(1-\frac{3}{4} ^{12})}{1-\frac{3}{4} }$

$S_{n}=\frac{(235)(1-\frac{3}{4} ^{12})}{\frac{1}{4} }$

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3 years ago

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pantera1 [17]

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Step-by-step explanation:

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4 years ago

Reading proficiency: An educator wants to construct a 99.5% confidence interval for the proportion of elementary school children

Shkiper50 [21]

Answer:

A sample size of 345 is needed so that the confidence interval will have a margin of error of 0.07

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

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The margin of error of the interval is given by:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

In this problem, we have that:

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99.5% confidence level

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3 years ago