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Anika [276]
3 years ago
9

Wirk out the values of 5x-2y when x=-2 and y = -2

Mathematics
1 answer:
elena-s [515]3 years ago
3 0

Step-by-step explanation:

5x - 2y

5(-2) - 2(-2)

-10 + 4

= - 6

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Write the slope-intercept form of the equation of the line through the given point with the given slope.
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The slope-intercept form of the equation of the line through the given point with the given slope is y=-4x+1.

The given coordinate point is (-1, 5) and slope=-4.

<h3>What is the slope intercept form?</h3>

The slope intercept form of a straight line is one of the most common forms used to represent the equation of a line. The slope intercept formula can be used to find the equation of a line when given the slope of the straight line and the y-intercept.

The standard form of the slope intercept form is y=mx+c.

Substitute (x, y)=(-1, 5) and m=-4 in standard form of the slope intercept form, we get

5=-4×(-1)+c

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Substitute m=-4 and c=1 in y=mx+c, we get

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Therefore, the slope-intercept form of the equation of the line through the given point with the given slope is y=-4x+1.

To learn more about the slope intercept form visit:

brainly.com/question/9682526.

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1 year ago
John made a rectangle pen for his dog using 28 feet of fencing. If the width of the pen is 2 feet more than one-half the length,
kati45 [8]
Okay, so you know that the perimeter of the pen is 28 feet. Now we need the separate side lengths.

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So now we can plug in the little equations of length and width into a perimeter formula:
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Distribute the 2's and solve as needed.
2x + x + 4 = 28
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To find the width, just plug in 8 for x in our little equation:
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So, the length is 8 feet and the width is 6 feet.
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