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Yakvenalex [24]
3 years ago
12

Linear function for f(-11)=5, slope of f= -2/3

Mathematics
1 answer:
wolverine [178]3 years ago
7 0

Answer:

  f(x) = -2/3(x +11) +5

Step-by-step explanation:

The point-slope form of the equation of a line will give you the desired linear function:

  y = m(x -h) +k . . . . . for slope m through point (h, k)

You are give point (x, f(x)) = (-11, 5) = (h, k), and you are given slope m = -2/3. Putting these values into the function form gives ...

  f(x) = -2/3(x +11) +5

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riadik2000 [5.3K]

Answer:c

Step-by-step explanation:

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3 years ago
A blimp is 1500 meters high in the air and measures the angles of depression to two stadiums to the west of the blimp. If those
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Let stadium 1 be the one on the left and stadium 2 the one on the right.

Angle above stadium 1 is 72.9° and the angle above stadium 2 is 34.1° using the angle property of alternate angles(because both the ground and the dotted line are parallel).

For the next part we need to use the trigonometric function of tangent.

As tan x = opposite / adjacent,
Tan 72.9°=1500/ adjacent ( the ground from O to stadium 1)

Therefore the adjacent is 1500/tan 72.9°= 461.46 m( to 5 s.f.)

Same for the next angle,
Tan 34.1°=1500/ adjacent ( the ground from O to stadium 2)

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Solve ( x - 2)( x + 7) =0
lara31 [8.8K]

Answer:

x = 2 or

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Step-by-step explanation:

(x - 2)(x + 7) = 0

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OR

x + 7 = 0

Subtract 7 from both sides

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Therefore

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