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natka813 [3]
3 years ago
15

AB formed by (0-2) and (0,7) CD formed by (3,-5) and (6,-5)

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

Answer:

AB is undefined, CD is y = -5

Step-by-step explanation:

Find both of the line's slopes. You can use the formula for slope to calculate this answer because you know two points on the line for both lines (Look below). If you plug in the points for AB, you would have ( -2 - 7)/0, which would be undefined, because anything divided by 0 is undefined. Since the slope for AB is undefined, it is undefined. Next, we have CD. If you plug in the points for CD, you would get (-5 - (-5))/(6 - 3), which would be 0/3, which is 0. This means that the slope is 0. Next, we have to plug in the points for CD into the formula for equation of the line (Look Below), which would be y - (-5) = 0 * (x - 6), which simplifies to y + 5 = 0, which is y = -5.

<em>Formula for Slope:</em>

\frac{y1 - y2}{x1 - x2}

Usable with 2 points of the line given ((x1, y1) and (x2, y2))

<em>Formula for Equation of the Line:</em>

y - y1 = slope * (x - x1)

Usable with the slope and a point given ((x1, y1))

Answer: AB is undefined (AB is not a relationship, slope is undefined (Vertical Line)) and CD is y = -5 (Horizontal Line)

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The side length of the square concrete slab if the area is increased by 25% is 5feet

The formula for calculating the area of a square is expressed as:

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Given the area of the square concrete slab = 20 square feet

20 = L²

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If the area is increased  by 25%, new area will be:

An = 20 + (0.25*20)

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Get the new length

An = Ln²

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Ln = √25

Ln = 5feet

Hence the side length of the square concrete slab if the area is increased by 25% is 5feet

Learn more here: brainly.com/question/11300671

7 0
3 years ago
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4 0
3 years ago
5+3×=6+2×what's this ​
Nutka1998 [239]

First combine like terms ( x's go with x's), so subtract 2x to both sides and you get:

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Hope this helped!

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