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3 years ago

Given the points below, are the two lines parallel, perpendicular, or neither.

Mathematics

1 answer:

Nookie1986 [14]3 years ago

6 0

Answer:

perpendicular

Step-by-step explanation:

First we need to dtemine the slopes of the line

For line 1

L1: (-4, 6) (-3,-1)

m1 = y2-y1/x2-x1

m1= -1-6/-3+4

m1 = -7/1

m1 = -7

For line 2:

L2: (8,9) (15, 10)

m2 = 10-9/15-8

m2 = 1/8

Take their product

m1 * m2 = -7 * 1/7

m1m2 = -1

Since the product of their slopes is -1, hence they are perpendicular

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4 years ago

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4 years ago

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According to the above, it can be inferred that the hypothesis that the difference between one program and another is not significant enough to consider one plan more or less effective than another, because radically differences are not shown in each case.

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2 years ago

HELPPP!!! WILLBEMARKEDBRAINLIEST 30 POINTSS

Mars2501 [29]

Answer:

Step-by-step explanation:

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3 years ago

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Daniel [21]

Answer:

Step-by-step explanation:

Here we are going to use the rule which says that

i) equal arc segments subtends equal angles at the circle

ii) The Angle subtended by any arc segment at center is double to that of the angle subtended by the same arc at its circumference.

For more details please refer to the image attached to this problem.

Let us say that the angle subtended by arc mAB at center O = 6∅

Hence , ∠AOB=6∅

Hence ∠ADB = 3∅ ( Rule ii as discussed above )

Also as length of arc mCD = x , the angle subtended by it on the center will be in the same ratio as it was subtended by arc with length 6x

Hence

∠COD=∅

Hence

∠CAD=∅/2

Hence in ΔATD

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∠ATD = 180° - (3∅+∅/2) ----------(A)

Also

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From (A)

180° - (3∅+∅/2) +∠ATB = 180°

∠ATB = (3∅+∅/2)

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However , in order to find the exact value of∠ATB we need to evaluate ∅, and to find it , we must have some value of x .

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3 years ago