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777dan777 [17]
3 years ago
13

Algebra 2 Semester Exam Extra Credit!!!

Mathematics
1 answer:
stealth61 [152]3 years ago
4 0
The message is supposed to say HAPPYNEWYEAR.
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3 years ago
Three times as many children as adults attended a concert on Saturday. An adult ticket cost $7 and a child’s ticket cost $3. The
Ierofanga [76]

For this case we propose a system of equations:

x: Let the variable representing the number of children in the concert

y: Let the variable representing the number of adults at the concert

According to the assistance we have:

x = 3y

According to the cost we have:

3x + 7y = 6000

Substituting the first in the second equation we have:

3 (3y) + 7y = 6000\\9y + 7y = 6000\\16y = 6000\\y = \frac {6000} {16}\\y = 375

Thus, the concert was 375 adults.

On the other hand we have:

x = 3 (375) = 1125

Thus, the concert was 1125 children.

In total they were:

375 + 1125 = 1500 people

ANswer:

The concert was 1500 people

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E, the heart

Step-by-step explanation:

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A, D, E. A monomial is a single algebraic expression.
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A store sells 4 cans of fruit cocktail for $9. How much would it cost you to buy 3 cans of fruit cocktail?
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