Answer:
Use a graphing calc or desmos to help guide you.
Step-by-step explanation:
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1 answer:
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Expand the equation:
x^2-8x+15=35
x^2-8x-20=0
Solve using quadratic formula:
x=
x=10 is the final answer
x^2-8x+15=35
x^2-8x-20=0
Solve using quadratic formula:
x=
x=10 is the final answer
Answer:
The required equation :
Step-by-step explanation:
Given : A fitness center currently has 320 members. Monthly memberships fees are $45. The manager of the fitness center has determined that each time the membership increases by $5, approximately 10 members leave and go to a different gym.
To write : A equation that can be used to find the revenue of the fitness center in dollars,y, after x price increases of $5.
Solution :
Revenue is defined by the amount or price during specific period.
Let x be the number of months,
y be the revenue of the fitness center.
The number of members in the fitness center is 320 but after increasing $5 10 members leave.
So, the total member after increment in x months are
Monthly memberships fees are $45.
The manager of the fitness center has determined that each time the membership increases by $5.
The price of monthly membership after increment is
So, The equation which gave the revenue of the fitness center is