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Alinara [238K]
2 years ago
15

PLEASE HELP!!!

Mathematics
2 answers:
Bad White [126]2 years ago
6 0
B I think :) good luck!
nikdorinn [45]2 years ago
4 0

Answer:

b

Step-by-step explanation:

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3 years ago
The circle C has centre A(2,1) and passes through the point B(10,7). Find and equation for C
Semmy [17]
The equation of a circle:
(x-h)^2+(y-k)^2=r^2
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A(2,1) - \hbox{the centre} \\
h=2 \\ k=1 \\ \\
(x-2)^2+(y-1)^2=r^2 \\ \\
\hbox{passes through B(10,7)} \\
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3 years ago
The school that Imani goes to is selling tickets to the annual dance competition. On the first day of the ticket sales the schoo
Tatiana [17]

Answer:

The adult and the child ticket are both 8 dollars

Step-by-step explanation:

x =adult ticket price

y = child ticket price

I will assume you forget to put that they sold 2 child tickets on the second day

7x+5y=96 and 3x+2y= 40

I will use elimination.  Multiply the first equation by 2 and the second equation by -5 to eliminate y

2(7x+5y)=96*2

14x + 10y = 192

The second equation

-5(3x+2y)= 40*-5

-15x -10y = -200

Add the equations together

14x + 10y = 192

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------------------------

-x = -8

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x = 8

Now we need to find y

3x+2y= 40

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Subtract 24 from each side

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2y = 16

Divide by 2

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The adult and the child ticket are both 8 dollars


8 0
3 years ago
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