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Juliette [100K]
3 years ago
10

PLZ HELP WILL MARK BRAINLIEST :)

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
6 0

1 = B 2 = C I hope it helps

mart [117]3 years ago
6 0

1)

y = 4x - 6 ;this line has slope m = 4

x + 4y = 8

4y = -x + 8

 y = -1/4 x + 2 ;This line has slope m = -1/4

Perpendicular lines, slope is opposite and reciprocals. In this case, slope of line two is opposite and reciprocal of line one. So both lines are perpendicular

Answer

B. They are perpendicular

2)

3y = -x + 4

 y = -1/3 x + 4/3 this line has slope m = -1/3

2x+6y = -12

6y = -2x - 12

 y = -1/3 x - 2, this line has slope m = -1/3

Both lines have same slope as -1/3 so they are parallel.

Answer:

A. They are parallel

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In the figure CD is the perpendicular bisector of AB . If the length of AC is 2x and the length of BC is 3x - 5 . The value of x
Dennis_Churaev [7]

Answer

Find out the value of x .

To proof

SAS congurence property

In this property two sides and one angle of the two triangles are equal.

in the Δ ADC and ΔBDC

(1) CD = CD (common side of both the triangle)

(2) ∠CDA = ∠ CDB = 90 °

( ∠CDA +∠ CDB = 180 ° (Linear pair)

as given in the diagram

∠CDA  = 90°

∠ CDB = 180 ° - 90°

∠ CDB = 90°)

(3) AD = DB (as shown in the diagram)

Δ ADC ≅ ΔBDC

by using the SAS congurence property .

AC = BC

(Corresponding sides of the congurent triangle)

As given

the length of AC is 2x and the length of BC is 3x - 5 .

2x = 3x - 5

3x -2x =5

x = 5

The value of x is 5 .

Hence proved


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Which systems of equations intersect at point A in this graph?
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550000000000000000 • 0.00000000044
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