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VARVARA [1.3K]
2 years ago
11

A gym membership is $100 sign-up fee and charges $20 a month thereafter. How much is the membership fee in a month?

Mathematics
1 answer:
trapecia [35]2 years ago
4 0

Answer:

$120

Step-by-step explanation:

y = mx + b

The $100 sign up fee is a set amount, or the b value.

The $20 would be the m value since it the constant change, or the slope.

Thus, the equation would be y=20x + 100

The membership fee for 1 month would be --->

y= 20(1) +100

y= 20 + 100

y= $120

                                     

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OverLord2011 [107]
Let's call the 13¢ stamps a and the 18¢ stamps b: a+b = 42 and therefore a= 42-b (formula 1) 0.13a+0.18b= 6.66 In this formula, substitute the value of a according to formula 1: 0.13(42-b)+0.18b= 6.66 Multiply on the left to get rid of the parenthesis: 5.46-0.13b+0.18b= 6.66 Subtract 5.46 from both sides: -0.13b+0.18b= 1.20 Add on the left: 0.05b= 1.20 Divide both sides by 0.05 b= 24 You have 24 18¢ stamps and: 42-24= 18 13¢ stamps Check: (24 x 0.18) + (18 x 0.13)= 6.66 Correct.
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3 years ago
You have P = 472 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the r
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The width would be 236 and the lengths would be 118

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Hope this helps!
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2 years ago
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Step-by-step explanation:

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7 0
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Read 2 more answers
Please guys help me out with this question.
Kazeer [188]

The values that make the denominator zero are not in the domain.

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