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Monica [59]
3 years ago
12

A theater can seat 725 people. The number of rows is 4 less than the number of seats in each row. How many rows of seats are the

re?
Mathematics
1 answer:
OverLord2011 [107]3 years ago
5 0
725 is equal to (number of rows)*(number of seats per row)
r = s-4
725 = (s-4)s
s^2-4s-725 = 0
Factoring: (s-29)(s+25) = 0
Thus there are 29 seats per row, and 25 rows. 
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What is 35% of 76.6?​
aleksandrvk [35]

Answer:

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Step-by-step explanation:

Solution for What is 35 percent of 76:

35 percent *76 =

( 35:100)*76 =

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2 years ago
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3 years ago
Determine the measure of the missing angles. Show your work! Be ready to discuss your answer.
soldier1979 [14.2K]

For a.

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90 + 55 + a = 180

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For b.

From the picture above, the two triangle's tip are touching and having to form <em>vertical angles. </em>This means that the angles are congruent to each other.

Now that we have two angles in the second triangle(35 and 120), we can use the same formula:

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3 0
3 years ago
Read 2 more answers
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