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photoshop1234 [79]
4 years ago
15

Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of $10 from each

of the subscribers to her website. Last month, the website had 100 subscribers. This month, 30 new members joined the website, and 10 members cancelled their subscription.
How much money will Kiersten’s online business earn this month?
Mathematics
1 answer:
just olya [345]4 years ago
3 0
So what you do is add 30 to 100 and then take away 10 leaving you with 120. You then multiply by 10 giving you 1,200 dollars a month. Wish I was making that much money a month :)
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ohaa [14]

Answer:

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8 0
3 years ago
What is the range of the function below in set builder notation? y=|x-3|
Kisachek [45]

Answer:  \{y | \ y \in \mathbb{R}, \ y \ge 0\}

This translates to "y is any real number such that it is 0 or larger".

The reasoning is that the result of any absolute value function is either 0 or positive. In other words, we'll never get a negative result of an absolute value function. This is due to how absolute value represents distance. Negative distance does not make sense.

So if y = |x-3| then y = 0 is the smallest output possible. We could have any positive output we want.

In terms of a graph (see below), the V shape is at the lowest point (3,0). The y coordinate is all we care about in terms of finding the range. So we see the lowest y value is y = 0.

4 0
3 years ago
(Use the Distributive Property to find an equivalent expression)<br> 2(3x-7y) = ?
IRINA_888 [86]

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I hope this helps

6 0
3 years ago
Write a polynomial that represents the area of the shaded region
marusya05 [52]
<h3>Answer: x^2-3x+36</h3>

=========================================

Explanation:

The larger rectangle has area of (x+1)(x+1) = x^2+2x+1 through the use of the FOIL rule or distribution

If you use distribution, then it might help to let y = x+1 so we'd have y(x+1) lead to xy+1y which becomes x(x+1)+1(x+1). From there it might be easier to see how to get x^2+2x+1 after everything distributes again and simplifies.

The smaller rectangle has area 5x-35 which is found by distributing 5(x-7)

To get the shaded area, we subtract the two rectangle areas found above

shaded area = (larger area) - (smaller area)

shaded area = (x^2+2x+1) - (5x - 35)

shaded area = x^2+2x+1 - 5x + 35

shaded area = x^2-3x+36

6 0
3 years ago
9dx10=240 pls hurry
vaieri [72.5K]

Answer:

2.6 or \frac{8}{3}

Step-by-step explanation:

9d×10=240

÷10        ÷10

9d =24

÷9      ÷9

2.6 or \frac{8}{3}

8 0
2 years ago
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