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katrin [286]
3 years ago
13

PLEASE HELP!!! 40 points!!! 1) A school puts on a play. The play costs $1,200.00 in expenses. The students charge $4.00 for tick

ets. There will be 1 performance of the play in an audiotorium that seats 500 people. What is the domain of the function that shows the profit as a function of the number of tickets sold? A)The domain is all real numbers from negative 1,200 to positive 2,000. B) The domain is all integers from negative 1,200 to positive 2,00. C) The domain is all integers from 0 to 500. D) The domain is all real numbers from 0 to 500.
Mathematics
1 answer:
Xelga [282]3 years ago
8 0
Since it costs 1200, we subtract 1200 from the start. In addition, the money totaled is 4*x, where x is the amount of tickets sold. Since there are a minimum of 0 tickets able to be sold and a maximum of 500 tickets since there are 500 seats, the answer is D
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Answer:

B) false D) true E) true

Step-by-step explanation:

Plug in numbers to disprove the first one.

Area formula for triangles says D is true

It's the Pythagorean's Theorem for Heaven's sakes.

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4 years ago
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IgorC [24]

Answer:

At intersection

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Step-by-step explanation:

Equation of circle with center (h,k) and radius r is

(x-h)^{2}+(y-k)^{2}=r^2\\\\With\,\, center\,\,(0,4)\,\, and\,\, r=3\\\\(x-0)^{2}+(y-4)^{2}=3^2\\\\x^2+(y-4)^{2}=9---(1)\\\\Equation\,\,of intersecting\,\,line\\y=0.5x+4---(2)

To find point of intersection:

From (2)

x=\frac{y-4}{0.5}=2(y-4)\\\\x^2=4(y-4)^{2}\\\\Put\,\,in\,\,(1)\\\\4(y-4)^{2}+(y-4)^{2}=9\\\\5(y-4)^{2}=9\\\\y-4=\frac{3}{\sqrt{5}}\\\\y=1.34+4\\\\y=5.34\\\\x=2(5.34-4)\\\\x=2(0.34)\\\\x=2.68

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This point of intersection can be checked in graph attached below

3 0
3 years ago
Find the perimeter of the following shape, rounded to the nearest tenth:
muminat
So will be 5+5 + 2sqrt2 +2sqrt2 = 10 + 3 +3 = 16 rounded 

hope helped 


6 0
4 years ago
Read 2 more answers
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17/20 is completely simplified.

Hope this helps!

Answer: 17/20

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