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Serhud [2]
3 years ago
15

there are 425 people in the auditorium they are sitting in rows of 9 how many rows have 9 people sitting down?​

Mathematics
2 answers:
mars1129 [50]3 years ago
3 0
425/9 = 47.2

round to 47 because they want to know how many people are in rows with ALL 9 people

47 rows have 9 people sitting down
Oksanka [162]3 years ago
3 0

If you do 425÷9 you get 47. To checknyour answer do 47×9 which gives you 423, so there are onlu 47 with nine people sitting.

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Rudik [331]
-5 • (y - 6) ————— 10
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3 years ago
What is the domain and range of relation (4,3)(-2,2)(5,-6)
vazorg [7]
Domain: {-2, 4, 5}
Range {-6, 2, 3}
5 0
3 years ago
Josie sold 790 tickets to a local car show for a total of $4,390.00. A ticket for a Child costs $4.00 and adult ticket costs $7.
Papessa [141]

Let's define the following variables first.

A = number of tickets sold for adults

C = number of tickets sold for children

From the question, we can say that or form the following equations:

1. A + C = 790 tickets

2. $7A + $4C = $4, 390

The first equation can also be written as A = 790 - C. We can use this equation and replace "A" in the second equation.

7(790-C)+4c=4,390

From that, we can solve "C" by solving the equation formed above.

\begin{gathered} \text{Distribute 7 to the terms inside the parenthesis.} \\ 7(790)-7(C)+4C=4,390 \\ 5,530-7C+4C=4,390 \\ \text{Subtract 5,530 on both sides of the equation.} \\ -7C+4C=-1140 \\ -3C=-1140 \\ \text{Divide -3 on both sides.} \\ C=380 \end{gathered}

Therefore, 380 tickets for children were sold.

Since there are 790 tickets in total that are sold and 380 tickets for children were sold, we can say that 410 tickets for adult was sold.

\begin{gathered} A=790-C \\ A=790-380 \\ A=410 \end{gathered}

3 0
1 year ago
What is the sum of interior angles for a nonagon
alexira [117]
Remember your prefixes! They help a lot, because there is a formula for this particular problem. Nonagon refers to a shape with 9 sides. 

The number of triangles a polygon has is represented by the formula: 
(n-2)

Where "n" is the number of sides. If you ever forget what you subtract "n" by think of a triangle. It has 3 sides, so it is only logical that you should only have 1 triangle (subtract by 2). So, what is the sum of the interior angles of a triangle, 180°. So the formula looks like this: 

Sum of Interior Angles = 180°(n-2)
180°(9-2)
180°(7) = 1260° is the sum of interior angles for a nonagon!
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3 years ago
A line segment that joins two verticles of a polygon is a _______?
Pani-rosa [81]
I believe the answer is a diagonal 
8 0
3 years ago
Read 2 more answers
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