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vova2212 [387]
3 years ago
5

Help please??????????

Mathematics
2 answers:
Fofino [41]3 years ago
8 0

Answer:

35000

Step-by-step explanation:

Rashid [163]3 years ago
8 0

Answer:

15,000

Step-by-step explanation:

Because in the next ten years, 3 percent per year is 30 in ten years, 30 percent of 50,000 is 15,000.

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The telephone company offers two billing plans for local calls. Plan 1 charges ​$ per month for unlimited calls and Plan 2 charg
vazorg [7]
Mark brainliest pls :)

a.
38<14+0.05x
24<0.05x
x>480
b. When the number of calls per month is greater than 480, then Plan 1 is more economical. Example: If the number of calls is greater than 480 say 500, then charges in plan 2 will be $39, but Plan 1 is more economical and charges will be $38.
5 0
1 year ago
The total cost (in dollars) for a company to manufacture and sell x items per week is C = 40 x + 640 , whereas the revenue broug
ikadub [295]

Answer:

The company must sell 60 or 70 items to obtain a weekly profit of 200.

Step-by-step explanation:

The profit is the difference between the revenue and the cost of a given task, therefore:

\text{profit} = R - C\\\text{profit} = 66*x - 0.2*x^2 - (40*x + 640)\\\text{profit} = 66*x - 0.2*x^2 - 40*x - 640\\\text{profit} = - 0.2*x^2 + 26*x - 640

To have a profit of 200, we need to sell:

-0.2*x^2 + 26*x - 640 = 200\\-0.2*x^2 + 26*x -840 = 0\text{ } *\frac{-1}{0.2}\\x^2 -130 + -4200 = 0\\x_{1,2} = \frac{-(-130) \pm \sqrt{(-130)^2 - 4*1*(-4200)}}{2*1}\\x_{1,2} = \frac{130 \pm \sqrt{16900 + 16800}}{2}\\x_{1,2} = \frac{130 \pm \sqrt{100}}{2}\\x_{1,2} = \frac{130 \pm 10}{2}\\x_{1} = \frac{130 + 10}{2} = \frac{140}{2} = 70\\ x_{2} = \frac{130 - 10}{2} = \frac{120}{2}  = 60

The company must sell 60 or 70 items to obtain a weekly profit of 200.

3 0
3 years ago
A daily newspaper has a circulation of 6 617 000 copies per day if 1 days papers were distributed evenly amongst 13 cities how m
anygoal [31]

Answer:

apparently, 47461 copis. thats wrong calculations..

Step-by-step explanation:

7 0
3 years ago
Why do we call a decimal a decimal
olga2289 [7]
Well we call that a decimal which looks like this:   .
A decimal point is to separate or decrease a number by a certain value.
Hope this helped!   :)
6 0
3 years ago
If f(x)=3x-1 and g(x)=x+2,find (f-g)(x)
oksian1 [2.3K]

Answer:

\large\boxed{(f-g)(x)=2x-3}

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)\\\\f(x)=3x-1,\ g(x)=x+2\\\\\text{substitute:}\\\\(f-g)(x)=(3x-1)-(x+2)\\\\=3x-1-x-2\qquad\text{combine like terms}\\\\=(3x-x)+(-1-2)\\\\=2x-3

7 0
3 years ago
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