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LiRa [457]
3 years ago
6

The equation of a line is −6x−2y=−18. What is the x-intercept of the line?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
4 0

Answer:

(3,0)

Step-by-step explanation:

to find the x-intercept, you have to plug in 0 for y to solve for x. this would be -6x-2(0)=-18. this simplifies to -6x=-18. we can divide by -6 on both sides. this results in x=3. this is the value of the x-coordinate, so the answer is (3,0) since the x-intercept is where the line crosses/touches the x-axis.

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Step-by-step explanation:

Step 1; Assume that J collected $x, Keller collected $y and Izzy collected $z. All three combined collected $125.95, so

x + y + z = 125.95, take this as equation 1.

From the given data, the following equations can be formed.

y = 42.50 + x or x = y - 42.50 take this as equation 2 and

y = 15 + z, take this as equation 3.

Step 2; Now we must determine x and y in terms of z, so that equation 1 can be solved (the equations can be in terms of any term x, y or z.)

Rearranging equation 2 and 3,

we get 15 + z so  x = y - 42.50, y = x = 15 + z - 42.50, take this as equation 4,

If we substitute equations 4, 2 in 1, we get

(15 + z - 42.50) + (15 + z) + z = 125.95,

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Substitute z = 47.833 in equation 3.

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Substitute y = 62.4833 in equation 2,

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Rounding of the values of x,y, and z to nearest hundredth we get

x = $19.98, y = $62.48 and z = $47.48.

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Step-by-step explanation:

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