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egoroff_w [7]
3 years ago
8

What is the solution to the following system of equations? y=4x-8 y=2x

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0
Do you still need help?!?!??
ehidna [41]3 years ago
5 0

Answer:

x=4

Step-by-step explanation:

2x=4x-8

2x-4x=-8

-2x=-8

x=4

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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

8 0
3 years ago
What is 2.26 (26 repeating)as a fraction
irina [24]
Well 2.26 as a fraction is
2 \times \frac{13}{50}
^Whole Fraction^

but as an Improper Fraction I is
\frac{113}{50}
7 0
3 years ago
John is trying to drain a swimming pool. He has two pumps, but he can only use one at a time. He knows that the time a pump take
xeze [42]
What do you mean this sentence?
the time a pump takes to drain the pool varies inversely with the power in watts of the pump,
The meaning would be : if we have a power in watts greater the time to drag the pool will be less because the relation between power and time is inverse.  

40 watts--------------5 hours) 
100 watts------------  x

because the relation between power and time is inverse, we multiply directly.
40 watts(5 hours)=100 watts x
x=(200 watts hours) / 100 watts=2 hours.

Answer: the time would be 2 hours.   (the new pump is faster)
8 0
3 years ago
Plz help...................
a_sh-v [17]
D is not a polynomial

6 0
3 years ago
I need help on doing this
Rudik [331]

Answer:

#5A=6

5B=4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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