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Mariulka [41]
3 years ago
8

A stadium has 53,000 seats. Seats sell for ?$42 in Section? A, ?$36 in Section? B, and ?$30 in Section C. The number of seats in

Section A equals the total number of seats in Sections B and C. Suppose the stadium takes in ?$1,995,000 from each? sold-out event. How many seats does each section? hold?
Mathematics
1 answer:
Vlada [557]3 years ago
3 0
Section A holds 27,000 seats, Section B holds 14,200 seats, and Section C holds 12,800 seats
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(1) Ax + By = C (2) Dx + Ey = F Jim is trying to solve the system of equations. He begins by multiplying equation (1) by D and e
attashe74 [19]

Answer:

No, Angela is not correct.

As the method Jim was performing will also lead to the solution.

Step-by-step explanation:

We are given first equation as:

                  Ax + By = C

Second equation is:

                   Dx + Ey = F

Jim solved the equation as:

He begins by multiplying equation (1) by D and equation (2) by A.

and so by subtracting both the equations he will obtain a value of y.

and then put the y-value in any of the given two equations to obtain the value of x.

Angela Method:

you should have multiplied equation (1) by E and equation (2) by B.

and when she will subtract both the equations she will get the value of x first and then when she will put the value of x in any of the given equation she will obtain the value of y.

But both will get a value for x and y.

Hence, the method Jim was performing was also correct.

8 0
3 years ago
Read 2 more answers
Find the equation of the line that passes through (-2,3) and (4,-1).
horsena [70]
Genera\ equation\ for\ line\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-2,3),\ (4,-1)\ into\ equation\\\\ \left \{ {{3=-2a+b}\ \ \ \  \atop {-1=4a+b\ |*-1}} \right.\\\\ \left \{ {{3=-2a+b}\ \ \ \  \atop {1=-4a-b\}} \right.\\+----\\\\Addition\ method\\\\4=-6a\ \ |:-6\\\\a=-\frac{4}{6}=-\frac{2}{3}\\\\b=3+2a=3+2* (-\frac{2}{3})=3-\frac{4}{3}=1\frac{2}{3}\\\\y=-\frac{2}{3}x+1\frac{2}{3}
8 0
3 years ago
누구든지 나를 도울 수 있을까요?
yKpoI14uk [10]

Answer:

The expanded form of 1.2*10^9 is 1400000000

I'm not very sure what you mean but I have found two solutions.

Solution No.1:

1400000000 - 7000 = 1399993000

Solution No.2:

Let's say the variable is "x"

7000 * x = 1400000000

x = 200000

Hope this helped! :)

4 0
3 years ago
What is 45 divisible by
nordsb [41]
The answer to that is 5,6,and 1
5 0
3 years ago
Read 2 more answers
Find the area of the trapezoid with bases 8 cm and 4 cm and a height of 1/4 cm. (Simplify your answer)
Simora [160]

Answer:

1 1/2 or 1.5

Step-by-step explanation:

trapezoid area formula: a = (a+b/2) x h

bases: 8 + 4 = 12

12/2=6

6 x 1/4 = 1.5 or 1 1/2

4 0
3 years ago
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