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Andrei [34K]
3 years ago
10

I'd really appreciate it if someone could help me with this question? I don't know why, but I'm sorta struggling with it.

Mathematics
2 answers:
MrRa [10]3 years ago
8 0
                          5x        -6
-3x^3 + 2x^2                                      (Note how I changed the signs.)
------------------------------------ 
-3x^3  + 2x^2 + 5x - 6          (this is the "difference" that you wanted.

aivan3 [116]3 years ago
3 0
-3x^3+2x^2+5x-6<span><span>

</span></span>
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The revenue, in dollars, of a company that manufactures televisions can be modeled by the polynomial 3x²+180x . The cost, in dol
tresset_1 [31]

We use the profit concept, and doing this, it is found that if 150 televisions are sold, the profit is $50,700.

-------------------------------------------

Profit is given by revenue subtracted by cost.

In this question:

  • Revenue: R(x) = 3x^2 + 180x
  • Cost: C(x) = 3x^2 - 160x + 300

Thus, the profit of selling x televisions is:

P(x) = R(x) - C(x)

P(x) = 3x^2 + 180x - (3x^2 - 160x + 300)

P(x) = 3x^2 + 180x - 3x^2 + 160x - 300

P(x) = 340x - 300

-------------------------------------------

For 150 televisions, we have P(150), so:

P(150) = 340(150) - 300 = 50700

If 150 televisions are sold, the profit is $50,700.

A similar question is given at brainly.com/question/14469903

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3 years ago
If B is the midpoint of AC, and AC=8x-20, find BC.​
Natali5045456 [20]
2(3x-1)=8x-20
SIMPLY

6x-2=8x-20
SUBTRACT 6x ON BOTH SIDES

-2=2x-20
ADD 20 TO BOTH SIDES

18=2x
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Answer:

Hey there!

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Let me know if this helps :)

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umka21 [38]

Answer:

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Step-by-step explanation:

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