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bezimeni [28]
3 years ago
9

given the equation 5y-3x=15 how would you determine another equation which would have: no solution, one solution, and infinitely

many solutions
Mathematics
1 answer:
victus00 [196]3 years ago
3 0
First, I would convert the equation to slope intercept form. 

That would be:  y = (3/5)x + 3  , now it will be easier to create the needed equations.

For no solution, keep the slope the same and change the y-intercept.
You could have: y = (3/5)x + 9

For one solution, all we have to do is change the slope.
You could have: y = (4/5)x + 3

For an infinite number of solutions, just multiply the entire equation by any number. Let's use the number 2.
2y = (6/5)x + 6
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A pile of coins, consisting of nickels, dimes, and quarters, is worth $4.55. There are 4 more dimes than nickels and 3 quarters
frozen [14]
Fun

n=number of nickles
q=number of quarters
d=number of dimes


4 more dmes than nickles, 3 more quarters than dimes
d+4=n
q=3+d

total value is 455 cents
10d+5n+25q=455
divide both sides by 5 to simplify
2d+n+5q=91

now we convert all to one coin
q=3+d and n+4=d
subsitute 3+d for q and n+4 for d

2(n+4)+n+5(3+d)=91
2(n+4)+n+5(3+n+4)=91
2(n+4)+n+5(n+7)=91
2n+8+n+5n+35=91
8n+43=91
minus 43 both sides
8n=48
divide both sides by 8
n=6

sub back
n+4=d
6+4=d
10=d

q=3+d
q=3+10
q=13


6 nickles
10 dimes
13 quarters
5 0
3 years ago
The length of a rectangular picture frame is 4 inches shorter than its width. If the perimeter of the picture frame is 44 inches
Vladimir [108]

Answer:

11

Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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