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olga_2 [115]
3 years ago
12

I need HELLLPPPPP. A student bought concert tickets online. The total cost, c, in dollars, of t tickets can be

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0

Answer:

The answer is 9.

Step-by-step explanation: Things to know: c is total cost and t tickets. 800 is the total cost so plug it in to c. You want to get t (tickets) alone.

original: c(t)=87.50t+12.50

Now with the 800: 800=87.50t+12.50

Subtract 12.50 to both sides: 787.5=87.50t

Divide 87.50 to both sides: 9=t

Hopefully this helped. :]

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Which of these expressions is not equivalent to the others?
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Normally You would need to simplify all of them, to see what their values are like.

Already from the start, however, we can see that 9n + 3 + 2 and 9n + 11 isnt the same value. Based on this, we should only need to simplify one of the other, to get either 9n + 5 or 9n + 11.

Lets pick the upper one.

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To make sure, we can solve the next one:
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3 years ago
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2 years ago
The roof of one building is 400 feet below the roof of another building. A person standing on the lower roof sees another person
m_a_m_a [10]

The distance between the two buildings is 844.23 feet apart, we go this answer by simply applying the SOH CAH TOA method

<h3>Trigonometry</h3>

Given Data

  • Height of Building A (Opp) = 400 feet
  • Angle of Elevation θ = 35°
  • Distance between the buildings Adj = ??

Applying the SOH CAH TOA Approach we have

Tan  θ = Opp/Adj

Substituting our given data we have

Tan 35 = 400/x

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make x subject of the formula we have

x = 400/0.4738

x = 844.23 feet

learn more about trigonometry here:

brainly.com/question/24349828

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