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DochEvi [55]
3 years ago
15

PLEASE HELP!!!

Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0

Answer:

D. The solution is (8, 2).

Step-by-step explanation:

x -  2y = 4

5x -3y = 34       Multiply the first equation by 5:

5x - 10y = 20    Subtract:

0 + 7y = 14

y = 2.

Substitute for y in the first equation:

x - 2*2 = 4

x = 4+4 = 8.

Nutka1998 [239]3 years ago
5 0

Answer: D

Step-by-step explanation:

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Please help wehn we are done we get jeporady and its graded too i cave an F pls help
fgiga [73]

Answer:

look it up

Step-by-step explanation:

go on your phone

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7 0
3 years ago
Solve my question please, I’ll mark u as brainlest if the answer is correct and if you solved my question!!!
ikadub [295]

Answer:

x = price of balcony tickets = $7

y = price of orchestra tickets = $21

Step-by-step explanation:

Let

x = price of balcony tickets

y = price of orchestra tickets

y = 3x (1)

148y + 76x = 3,640 (2)

Substitute y = 3x into (2)

148y + 76x = 3,640 (2)

148(3x) + 76x = 3,640

444x + 76x = 3,640

520x = 3,640

x = 3,640/520

x = 7

Substitute x = 7 into (1)

y = 3x (1)

y = 3(7)

y = 21

x = price of balcony tickets = $7

y = price of orchestra tickets = $21

3 0
3 years ago
What is the solution to the system of equations?<br> O (-4,1)<br> O (-2, 1)<br> O (1.4)<br> O (1,-2)
Tcecarenko [31]

Answer:

<em></em>(1,-2)<em></em>

<em></em>

Step-by-step explanation:

Given

The attached graph

Required

Determine the solution

The solution here is the intersection points of the two lines. From the attachment, both lines meet

x = 1

y = -2

<em>Hence, the solution is: </em>(1,-2)<em></em>

3 0
3 years ago
Laurie and Maya sold at most $50 worth of get-well and friendship cards. The friendship cards, x, were sold for $2 each and the
Arada [10]

Answer:

th answer i think is thirty

Step-by-step explanation:

30 + 10 = 40 and it said at most $50

tell me if i'm wrong

3 0
3 years ago
Read 2 more answers
Evaluate this expression : 5x^3 - 7/4x^2. x=2
Mkey [24]
5(2)^3-7/ 4(2)^2 =  5(8) - 7 / 4(4) = 40-7/ 16 = 33/16

1. Substitute 2 in to the places where x are.
2.solve the square root first then multiply whats outside the square root with the numbers. (2)^3 = 8 and (2)^2 = 4, now multply 5 x 8 = 40 and multiply 4 x 4= 16
3. subtract 7 from 40 to get 33.
4. Check if it can be further simplified, this cant so the answer is 33/16



5 0
3 years ago
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