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nikklg [1K]
2 years ago
14

How to solve 3x^2+22x=-35 by factoring

Mathematics
1 answer:
Zepler [3.9K]2 years ago
3 0

Answer:

x = -7/3 or -5

Step-by-step explanation:

3x^2 + 22x = -35

3x^2 + 22x + 35 = 0

(3x + 7) (x + 5) = 0

so for 3x+7:

3x+7 = 0

3x = -7

x = -7/3

So for x + 5:

x + 5 = 0

x = -5

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Answer: 100 adult tickets  must be sold.

Step-by-step explanation:

step 1

let  x represent Adults

AND y represent children

Since the theater seats 250 people we have that

x+y = 250..... equation 1

Also price for Adult ticket = $11

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With total sales at $2,300, we have that

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Step 2

Making y subject in equation 1

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y= 250-x

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x= 100.

To find y

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y=250-100

y=150

Therefore 100 adult tickets and 150 children tickets must be sold to get a total sales of $2,300

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