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Vinil7 [7]
3 years ago
10

Which of the following choices

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

Denote AH as height of triangle ABC, with H lies on BC.

Applying sine theorem:

AH/AC = sin 60

=> AH = AC x sin 60 = 47 x sqrt(3)/2 = 40.7

=> Area of triangle ABC is calculated by:

A = AH x BC x (1/2) = 40.7 x 30 x (1/2) = 610.5 = ~611

=> Option C is correct.

Hope this helps!

:)

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Answer:

Part 1) y=1.5x+5  

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Part 6) The graph in the attached figure

Step-by-step explanation:

Part 1) we have

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y-y1=m(x-x1)

substitute

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y-y1=m(x-x1)

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Part 4) we have

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we know that

The equation of the line into slope intercept form is equal to

y=mx+b

substitute the values

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Part 5) we have that

The slope of the line 4 is equal to -2

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the slope of the line perpendicular to the line 4 is equal to

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therefore

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m=0.5

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y-y1=m(x-x1)

substitute

y+2=0.5(x+2)

y=0.5x+1-2

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Part 6)

using a graphing tool

see the attached figure

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