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xz_007 [3.2K]
3 years ago
9

PLEASE HELP ASAPPPPPPPPPPP WILL MARK BRAINLIEST!!

Mathematics
2 answers:
Luba_88 [7]3 years ago
4 0

Answer: x = 0, 20

Step-by-step explanation:

The equation would be 100p-5p^2=0

Then factor 100 and -5 by 5

worty [1.4K]3 years ago
3 0

Answer:

• If p is the price, I want to set this equation equal to zero and solve for p.

• This is known as the breakeven point. By setting the equation equal to zero, I can find out what price I need to sell my tickets at in order to cover all of my costs.

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(x - 2)^2=49\\ \\ x^2-4x +4 -49=0\\ \\x^2-4x -45 = 0\\ \\\Delta = b^{2}-4ac =  (-4)^{2}-4*1* (-45)= 16+180=196  \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{4-\sqrt{196}}{2}=\frac{4-14}{2}=\frac{-10}{2}=-5 \\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{4+\sqrt{196}}{2}=\frac{4+14}{2}=\frac{18}{2}=9 \\ \\Answer : \ x=-5 \ or \ x= 9
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Ray Of Light [21]
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3 years ago
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Alla [95]

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3 years ago
There are 40 students in a class. Boys makeup 40% of the class. If 25% of the boys wearshirt jacs, how many boys wear shirt jacs
Karo-lina-s [1.5K]

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6

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Find out how many boys makeup the class.

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