3 years ago

108800=12x+5y solve for x and y

Mathematics

2 answers:

MariettaO [177]3 years ago

5 0

Hi!
As you got 108800 you should get it but by x and y.
So can you explain it better so that I can help you!

oksian1 [2.3K]3 years ago

5 0

I don't think you wrote the problem out correctly... But this is what I got for X and Y.

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2 years ago

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3 years ago

An online shopping club has 10,000 members when it charges $7 per month for membership. For each $1 monthly

Sonja [21]

Answer:

The function that can be used in the online shopping club about its monthly revenue is:

$R = -400x^{2} +7200x+70000$

Step-by-step explanation:

First, we're gonna take into account the different values we have in the exercise:

10,000 members
$7 per month for membership
Loses of 400 members by each $1 monthly increase

How the variable $x$ represents the price increase, we can do the formula below:

$(10000 - 400x) * (7+x)$

In this formula, we represent in the first part that by each 1 in the variable $x$ , the total of members will be reduced in 400, in the second part, we mention that at the same time, the membership fee will be increased in the same value of $x$ . Now we must simplify this function: