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cluponka [151]
3 years ago
9

Tickets to a school play cost $3 for students and $8 for adults. On opening night, $1,000 was collected and 150 tickets sold. Us

e substitution to solve a system of equations to find how many of each kind of ticket were sold?
Mathematics
1 answer:
Masteriza [31]3 years ago
6 0

Answer:

s+a=150

3s+8a=1000

a=-s+150

3s-8s+1200=1000

-5s=-200

s=40

a=110

40 student and 110 adult tickets were sold

Step-by-step explanation:

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Mario ran 24 miles in 3 hours. what was his average speed in miles per hour
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Answer:

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Step-by-step explanation:

24/3 = 8

Check:

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How do i solve 12×+9=10×1​
s2008m [1.1K]

Answer:

Step-by-step explanation:

Unfortunately, your " 12×+9=10×1 " can be interpreted in more than one way.  The symbol " × " should be used ONLY to indicate multiplication.  Thus, " 12× " reads as ' 12x.'  Then we have:  12x + 9 = 10.  Unsure of what you meant by " 10×1​".  So I will treat your "10×1​" as simply '10.'

Then we have 12x + 9 = 10, which reduces to 12x = 1 if we subtract 9 from both sides.

12x = 1 yields  x = 1/12.

If this is not the result you expected, please go back to the original problem and share it as accurately as you can.

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3 years ago
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goldenfox [79]
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Order from least to greatest:<br> -0.33, 0.25,-1/2,-0.17
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2x(squared) + 23x-19=0
Helen [10]
Use quadratic formula

for ax^2+bx+c=0
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