Which equation will solve the following word problem? Four roommates share the cost of an apartment: rent, electricity, and gas. Rent costs $1200/month and gas costs $50/month. Each roommate pays $345/month. How much is the electric bill per month? ($1200 + $50)/4 = E + $345

($1200 + $50 + $345)/4 = E

($1200 + $50 + E)/4 = $345

($345)4 + E = $1200 + $50

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

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step-by-step explanation:

answer: your correct answer is b. d.

step-by-step explanation:

55 because 55 + 55 = 110 good luck babe