You and a friend are buying boxes of crayons. Each box of crayons has 2 of the same color, so you decide to split the cost between the 2. y represents the cost of your half of crayons. x represents the number of crayon box halves you buy.
Answer:
y=5=x
Step-by-step explanation:
Answer:
y = 3x-13
Step-by-step explanation:
For parallel lines, their slopes/gradients of the line are equal.
Given the parallel line, y = 3x+7 implies the slope say m1 = 3.
Hence, the slope of the new line say m2 should be 3 too.
Now, substitute the point (4,-1) into the general formula y-y1 = m2 (X-X1)
This implies, y - (-1) = 3 (X-4) = 3X-12
y + 1 = 3X - 12. Subtract 1 from both sides gives y = 3x - 13
Therefore, the equation of the new parallel line is y = 3x - 13
6/8 can be simplified to 3/4. Therefore the answer is C. 20 X 3/4
The correct answer to this system is (7, 2).
In order to find the answer, we will use a process called addition. In this, we will add the two equations together in order to get a variable to cancel out. In order to get one to cancel out in this case, we need to multiply the whole second equation by -1. The result will be the system below.
x + 15y = 37
-x + 8y = 9
Now we can add like terms together
x + 15y = 37
-x + 8y = 9
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23y = 46
And using this, we can solve for y.
23y = 46
y = 2
Once we have the answer for one variable, we can use it in either equation to solve for the other.
x + 15y = 37
x + 15(2) = 37
x + 30 = 37
x = 7
Giving us the ordered pair of (2, 7)