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Umnica [9.8K]
3 years ago
6

Which is the graph of 3x + 5y = -15

Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer: (Attached picture)


Step-by-step explanation:

Isolate y to form your equation, which is y = mx + b

3x + 5y = -15

3x + 5y -3x = -15 - 3x

5y = -15 - 3x

5y/5 = -15/5 - 3x/5

y = -3 - 3x/5

Rearrange: -3/5x -3 = y

Now graph: -3 is the y intersection and -3/5 is the slope.


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A repair bill for a car is $648.45. The parts cost $265.95. The labor cost is $85 per hour. Write and solve an equation to find
zysi [14]

Answer:

( t - p ) /  85x =  h

( t - 265.95 ) /  85x  = h

648.45 - 265.95 / 85x = 3.32h

h = 3.32

Therefore ( t - p ) /  85x =  3.32

Step-by-step explanation:

648.45 - 265.95

282.50 /85

= 3.32 hrs

Finding equation to find hours can be shown as

( t - p ) /  85x =  3.32

How we found equation to find total

Parts = 19 x 14 - 5/100 = 266- 0.05

648.45 - 265.95 = 282.5

282.5/85 = 3.323  near to 3,233529

Labour = 85x  = 17 (5 + x)

Equation = 17(5+ x) + 14(19) - 5/100 = 648.45 where x = 85

Equation = ( 85x x 3  1/3) + 265 - 19/20 = t

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2 years ago
Which ordered pair is a solution to this equation? y = 2x + 1 A. (0, 1) B. (1, 4) C. (2, 6) D. (3, 6)
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Answer:

The answer is A

If x = 0 then y = 1

Step-by-step explanation:

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