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Nezavi [6.7K]
3 years ago
14

How to find the missing variable?

Mathematics
1 answer:
forsale [732]3 years ago
8 0
50 + 3x = 7x + 12
This is because of the exterior angle theorem.
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A movie theater charges $10 for adult tickets and $7 for child tickets. On a particular day, they made $1446 in ticket sales. Th
luda_lava [24]
X = adults
Y = child

X+y=168
X=168-y

$10x + $7y = $1446

10(168-y) + 7y = 1446
1680 - 10y + 7y = 1446
-3 y = -234
Y = 78

X = 168-78
X = 90

$10*90 + $7*78 =
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6 0
2 years ago
Select all the true statements
Dennis_Churaev [7]

Answer:

option no (C) is correct

Step-by-step explanation:

4 0
3 years ago
A student's cost for last semester at her community college was $2400. She spent $480 of that on books. What percent of
kakasveta [241]

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20%

Step-by-step explanation:

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2 years ago
Please help! <br><br> If f (x) = 1/9 x-2 what is f^-1(x)
saw5 [17]

Answer:

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Step-by-step explanation:

You have to inverse the equation meaning do everything the opposite so for example, add the 2 to the other side of the equation

4 0
3 years ago
Help me please ASAP
Oliga [24]

Answer:

30

Step-by-step explanation:

if im reading the qestuion right

so she had 80 bucks she spend 20 on a ticked so she has 60 left so if im reading it right she spent all of her money so 60 divde by 2 is 30.  

hoped this helped!

3 0
3 years ago
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