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Brums [2.3K]
3 years ago
9

3x + 5y = -19 5x - 2y = 16 solve for x and y

Mathematics
1 answer:
beks73 [17]3 years ago
7 0

Step-by-step explanation:

2(3x + 5y = -19)

6x + 10y = -38

5 (5x -2y = 16)

25x - 10y = 80

19x = 42

but idk from there the rest doesn't work Soo if u can find the prob and tell me I'll fix it.

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The difference of r and 18 is equal to five
swat32

Answer: 23

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23-5=18

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3 years ago
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What is the answer to -t+9-4t=59?
kkurt [141]

Answer:

-10

Step-by-step explanation:

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3 0
3 years ago
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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as ed
natka813 [3]
Production cost = one time cost + variable costs

Let the number of published books for equal production costs be n.

Using the first method:
production cost = 18,853 + 19.75n
Using the second method:
production cost = 64,853 + 8.25n

Now, we need the two production costs to be equal:
18,853 + 19.75n = 64,853 + 8.25n

Solve for n as follows:
18,853 + 19.75n = 64,853 + 8.25n
19.75n - 8.25n = 64,853 - 18,853
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6 0
3 years ago
A decreased by 50 and then increased by 50
Mandarinka [93]
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8 0
3 years ago
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Let p = x2 + 6.<br> Which equation is equivalent to (22 + 6)2 – 21 = 4x2 + 24 in terms of p?
Alona [7]

Answer:

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If you factor out the equation, you get that 35=4p(if you factor it out)

Therefore,\frac{35}{4} =p

4 0
3 years ago
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