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Rom4ik [11]
4 years ago
12

Is 4,7 a solution of x-y=7

Mathematics
2 answers:
Minchanka [31]4 years ago
7 0

Answer:

(4,7) is NOT a solution of x-y=7

Step-by-step explanation:

(4,7) is NOT a solution of x-y=7

4 - 7 = - 3

If (4,7) is a solution then the function should be x - y = -3

omeli [17]4 years ago
6 0

Answer:

No.

Step-by-step explanation:

Because 4 - 7 = -3.

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Donald sells 760 marbles every day. He sells each marble for 1.5 dollars.
dangina [55]
Well, let's see. First we would need to find how much money he earns each DAY. To find THAT, we would need to multiply 760 times 1.5, which would be $1,140. Now, in order to find out how many DAYS it will take to make $3,420, you would divide 3,420 divided by 1,140, which will be 3. So it will take 3 days to earn $3,420.
I hope I helped! =D
4 0
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$12.00 for 48 cans Find the unit rate.
Taya2010 [7]

Answer:

0.25¢

Step-by-step explanation:

12.00÷48=0.25 or

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5 0
3 years ago
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What decimal is being represented by the decimal grid?
denis-greek [22]

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232

Step-by-step explanation:

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3 0
2 years ago
Can someone answer this? I got 180 cubic inches but it wasn't right. Please help.
cricket20 [7]
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6 0
3 years ago
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Write an equation of the line passing through the point (3, -1) and parallel to the line y=2/3x - 5. Show work
alex41 [277]

Answer:

The answer is: y = 2/3x - 3

Step-by-step explanation:

Given point: (3, -1)

Given equation: y = 2/3x - 5, which is in the form y = mx + b where m is the slope and b is the y intercept.

Parallel lines have the same slope. Use the point slope form of the equation with the point (3, -1) and substitute:

y - y1 = m(x - x1)

y - (-1) = 2/3(x - 3)

y + 1 = 2/3x - 6/3

y + 1 = 2/3x - 2

y = 2/3x - 3

Proof:

f(3) = 2/3(3) - 3

= 6/3 - 3

= 2 - 3

= -1, giving the point (3, -1)

Hope this helps! Have an Awesome Day!!  :-)

6 0
3 years ago
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