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steposvetlana [31]
3 years ago
9

Anyone??? need some help huys:)

Mathematics
1 answer:
atroni [7]3 years ago
4 0

Slope-intercept form:

y = mx + b        "m" is the slope


First i would isolate the "y" in the equation.

2x + y = 4       Subtract 2x on both sides

2x - 2x + y = 4 - 2x

y = 4 - 2x    or     y = -2x + 4

The given line's slope is -2.


For lines to be perpendicular, their slopes have to be the opposite/negative reciprocals (flipped sign and number)

For example:

slope is 2

perpendicular line's slope is -1/2

slope is -2/3

perpendicular line's slope is 3/2


The given line's slope is -2, so the perpendicular line's slope is 1/2.

The 3rd option is your answer

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The length and breadth of a rectangular field are 312m and 186m respectively; correct to the nearest metres. Between what limits
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Answer:

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Step-by-step explanation:

<u>Given the following data;</u>

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To find the perimeter of the rectangle;

Mathematically, the perimeter of a rectangle is given by the formula;

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Let P represent the perimeter of a rectangular field.

900 < P > 1000

Therefore, P \geq 1000 \; meters

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