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Ivan
3 years ago
12

Sammy's school drama club performed a play. Student tickets cost $2 each, and adult tickets cost $4.50 each. Altogether, they so

ld 80 tickets and made $275. How many adults bought tickets?
Mathematics
1 answer:
Harman [31]3 years ago
3 0

about 61 adults bought tickets.

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How would you factorise 3y + 12
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2 years ago
Select a setting so that each given point will lie within the viewing window.
NemiM [27]

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6 0
3 years ago
What times what gives me -48 but adds to be -32?
oee [108]

Answer:

a couple of irrational numbers: -16±4√19, approximately {1.436, -33.436}

Step-by-step explanation:

Your question can be cast as the quadratic equation

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The solutions can be found using the quadratic formula:

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_____

<em>Comment on the equation we used</em>

We notice that when p and q are roots, the equation can be written ...

  (x -p)(x -q) = 0 = x² -(p+q)x +pq

You want p+q = -32, pq = -48, so the equation is ...

  x² -(-32)x +(-48) = 0

  x² +32x -48 = 0 . . . . . . with parentheses eliminated

5 0
3 years ago
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