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Murljashka [212]
4 years ago
7

PLEASE HELP!!

Mathematics
1 answer:
Montano1993 [528]4 years ago
7 0
Your method is right so u already know how to do it
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Simplify:<br> 5/4x-8y-1/4x+7y+3<br> A)x-y+3<br> B)3/2x+y+3<br> C)3/2x-y+3<br> D)x+y+3
Dovator [93]
<span>A)x-y+3 is your answer 

Proof:

(5 x)/4 - 8 y - x/4 + 7 y + 3
Put each term in (5 x)/4 - 8 y - x/4 + 7 y + 3 over the common denominator 4: (5 x)/4 - 8 y - x/4 + 7 y + 3 = (5 x)/4 - (32 y)/4 - (x)/4 + (28 y)/4 + 12/4:
(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4
(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4 = (5 x - 32 y - x + 28 y + 12)/4:
(5 x - 32 y - x + 28 y + 12)/4
Grouping like terms, 5 x - 32 y - x + 28 y + 12 = (28 y - 32 y) + (5 x - x) + 12:
((28 y - 32 y) + (5 x - x) + 12)/4
28 y - 32 y = -4 y:
(-4 y + (5 x - x) + 12)/4
5 x - x = 4 x:
(-4 y + 4 x + 12)/4
Factor 4 out of -4 y + 4 x + 12:
(4 (-y + x + 3))/4
(4 (-y + x + 3))/4 = 4/4×(3 + x - y) = 3 + x - y:
Answer:  3 + x - y
</span>
6 0
3 years ago
A theater technician charges a $200 flat fee and 5% of all profits from ticket sales per show. If the technician made $400 on a
RoseWind [281]

Answer:

$10

Step-by-step explanation:

$200 for the flat fee, then $400 X .05=$10

$10 is the amount made off of ticket sales.

7 0
3 years ago
Read 2 more answers
Simplify (reduce) 8/30 it is a fraction
defon
4/15 is it's lowest terms. 2 is the lowest number that goes into both 8 and 30. It goes into 8 four times, and 30 15 times.
~Silver
3 0
3 years ago
Which of the following is an angle shown in the drawing?
MAVERICK [17]

Answer:

HDE

Is there more than one answer choice?

Step-by-step explanation:

MRK ME BRAINLIEST PLZZZZZZZZZZZZZZZ

3 0
3 years ago
Find the solution of the system of equations shown on the graph.​
Svetllana [295]

Answer:

square

Step-by-step explanation:

unit ;)

3 0
2 years ago
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