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3 years ago

8

Points X( -6, -4), Y( -2, -8), Z( 2,-4) are the vertices of a right triangle. What is the area of XYZ? Round to the nearest tent

h.

1 answer:

Svet_ta [14]3 years ago

5 0

Answer:

16

Step-by-step explanation:

distance between point x and z is 8 units

distance between point z and y is 4 units

8 * 4 = 32

formula for area of a triangle (l * w)/2

plugin: (8 * 4)/2 = 16

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Position vectors u and v have terminal points of (-6, 3) and (4, -2), respectively. Find the resulting terminal point of 2v - u.

evablogger [386]

Answer:

(14 , -7)

Step-by-step explanation:

terminal points: A (-6,3) B (4,-2)

u = x₁ + i y₁ u = -6 + i3

v =x₂ + iy₂ = 4 - i2 2v = 8 - i4

2v - u = (8 - i4) - (-6 + i3) = 14 -i7

Resulting terminal point: (14 , -7)

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3 years ago

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If f(x)= x^2 and g(x) = 4f (x)-1 then which of the following is the value of g (-3)

Sati [7]

Answer:

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Step-by-step explanation:

Given

f(x)= x^2-2 and g(x) = 4f (x)-1

g(x) = 4(x^2-2) - 1

g(x) = 4x²-8-1

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g(-3 = 4(9) - 9

g(-3) = 36-9

g(-3) = 27

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago