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julia-pushkina [17]
2 years ago
9

Solve the system of equations using subtraction, 2x - 4y = -4 2x + y = 11​

Mathematics
1 answer:
Ludmilka [50]2 years ago
6 0

Answer:

x=4, y=3; (4,3)

Step-by-step explanation:

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105/8 inch^3

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7/2*5/2*/3/2 = 105/8

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F(x) = x2 + 1 g(x) = 5 – x (f – g)(x) =
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x^2+x-4

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The driveway measuring 280 ft.² is to be paved john has an apprentice working for him and divide the child between the two of th
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3 years ago
 The members of the city cultural center have decided to put on a play once a night for a week. Their auditorium holds 500 peopl
konstantin123 [22]

Answer: In first question, Number of student's ticket(s) = 400

And number of adult's ticket(d) = 100

In second question, The goal of $3050 fell by $710

Step-by-step explanation:

1. Since, Here d represents the number of adult tickets and s represents the number of student tickets.

And, all 500 seats are filled for a​ performance.

Therefore, s + d = 500 ------(1)

Also, the price of one adult's  ticket = $8.50

The price of one student's ticket= $5.50

And, their is a revenue of $3050 by selling the tickets.

Thus, 8.50 d + 5.50 s = 3050 --------(2)

By solving the equation (1) and equation (2),

we get, s = 400, d=100

Thus, Number of student's ticket(s) = 400

And number of adult's ticket(d) = 100

2. According to the question,

s = 2 d  ----- (3)

s + d = 360 -----(4)

By solving equation (3) and (4),

We get, s = 240 and d = 120

thus, the total revenue after selling 360 tickets = 8.50 × 120 + 5.50 × 240 = $2340

But, the goal is $3050 ( according to the question)

Thus the total fall = 3050 - 2340 = $710

6 0
3 years ago
I need the answer so please help it is worth 88 points
yulyashka [42]

Answer:

24

Step-by-step explanation:

If she did all 3of them today then you subtract a day from each one then it would look like this

5+4+15=24

4 0
3 years ago
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