You buy a surround sound system and speakers for your living room for $795. Each year, the value of the system decreases by 4%. 1a. Write an exponential model for this situation.

1b. Determine the value of the system after 3 years​

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

add -60 to 120 which will result in : 2x+3y=180

then subtract 2x: 3y=-2x+180

lastly, divide by 2: y= -2/3x+60

hope this is the answer you're looking for: )

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step-by-step explanation: