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Furkat [3]
3 years ago
5

At the movie theatre, child admission is 6.20

Mathematics
1 answer:
GaryK [48]3 years ago
3 0
6.20c+9.60a=1016.60
c+a=136

a=136-c
6.20c+9.60(136-c)=1016.60
6.20c+<span>1305.60- 9.60c=1016.60
</span>-3.40c = 1016.60 - 1305.60
-3.40c=-289
c=289/3.4 = 85

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F(t)=t^2+19t+60<br> What are the zeros of the function and what is the vertex of the parabola?
SVEN [57.7K]

Answer: -4,-15;\ \left(-\dfrac{19}{2},-\dfrac{121}{4}\right)

Step-by-step explanation:

Given

Function is F(t)=t^2+19+60

Zeroes of the function are

t^2+19t+60=0\\\\\Rightarrow t=\dfrac{-19\pm\sqrt{19^2-4\times 1\times 60}}{2\times 1}\\\\\Rightarrow t=\dfrac{-19\pm \sqrt{121}}{2}\\\\\Rightarrow t=\dfrac{-19\pm 11}{2}\\\\\Rightarrow t=-4,-15

Using completing the square method

y=t^2+2\times \dfrac{19}{2}t+\dfrac{19^2}{2^2}-\dfrac{19^2}{2^2}+60\\\\y=\left(t+\dfrac{19}{2}\right)^2+60-\dfrac{361}{4}\\\\y=\left(t+\dfrac{19}{2}\right)^2-\dfrac{121}{4}\\\\y+\dfrac{121}{4}=\left(t+\dfrac{19}{2}\right)^2\\\\\left(y-(-\dfrac{121}{4}\right)=\left(t-(-\dfrac{19}{2})\right)^2\\\\\text{The vertex is }\left(-\dfrac{19}{2},-\dfrac{121}{4}\right)

4 0
3 years ago
If one person recruits five people and each recruited person recruits 5 more, and so on, 15 cycles; how many people would that b
jek_recluse [69]

Answer:

y=5^x

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Step-by-step explanation:

x=# of cycles= 15 cycles

y= #of people recruited = what we're figuring out

Plug in 15 for x in the equation y=5^x

y= 5^15= 30517578125 people

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3 years ago
How many whole weeks are in a year
SOVA2 [1]

Answer:

52 weeks are there in a year

Step-by-step explanation:

365/7

8 0
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So uh- here we are again
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The correct answer is 1/6
5 0
3 years ago
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Use the distributive property to factor out y. 5y-3y+12
ladessa [460]

5y - 3y + 12

Because there is not a common factor between the three terms in it's current state, we must simplify.

2y + 12

Now, we can simplify using the distributive property.

Factor 2.

<h3>2(y + 6) is the factored form of the original expression.</h3>
6 0
3 years ago
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