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Margarita [4]
2 years ago
12

A stadium has 55000 seats in total. Seats in section A sell for $30, $24 in section B, and $18 in section C. The total number of

seats in section A equals the total number of seats in sections B and C. The stadium takes in $1,409,400 on a sold out night. How many seats does each section hold?
Mathematics
1 answer:
faust18 [17]2 years ago
3 0

Answer: Section A- 27500

Section B- 13750

Section C- 13750

Step-by-step explanation: the actual money doesn’t matter, it gives us how many seats and tells us that 50% are section A and 25% is B and another 25% is C.

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Write <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%28x%2B1%29%5E2%28x-5%29%7D%7Bx%28x%2B2%29%28x-5%29%5E3%7D%20" id="TexForm
Marizza181 [45]

\bf \cfrac{x(x+1)^2(x-5)}{x(x+2)(x-5)^3}\implies \cfrac{(x+1)^2}{(x+2)(x-5)^2}


all we can really cancel is one of the (x-5) and the "x", is all.

5 0
3 years ago
9/20
NISA [10]

For this case we must find the solution of the following quadratic equation:

x ^ 2 + 5x + 7 = 0

Where:

a = 1\\b = 5\\c = 7

Then, the solution is given by:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

Substituting the values:

x = \frac {-5 \pm \sqrt {5 ^ 2-4 (1) (7)}} {2 (1)}\\x = \frac {-5 \pm \sqrt {25-28}} {2}\\x = \frac {-5 \pm \sqrt {-3}} {2}

By definition we have:i ^ 2 = -1

x = \frac {-5 \pm \sqrt {3i ^ 2}} {2}\\x = \frac {-5 \pm i \sqrt {3}} {2}

Thus, we have two complex roots.

Answer:

The equation has no real roots.

4 0
3 years ago
Find sum or difference.<br><br>-1/2 + 1/3
Free_Kalibri [48]
2/5 is the answer unless your multiplying
6 0
2 years ago
Does anybody know how to solve for “C”?.
Jobisdone [24]

Answer:

c = (b+3a)/2

Step-by-step explanation:

<u>Solve for c:</u>

  • 1/ac = 2/ab - 3/bc

<u>Multiply both sides by abc:</u>

  • abc/ac = 2abc/ab - 3abc/bc
  • b = 2c - 3a
  • b + 3a = 2c
  • 2c = b + 3a
  • c = (b + 3a)/2
8 0
3 years ago
Can you please help me
Mandarinka [93]

Answer:  Attached.

Step-by-step explanation:

Either solve the equations directly, or graph them and look for the point of intersection.  

8 0
2 years ago
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