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qwelly [4]
3 years ago
6

What is the vertex of g(x) = -3x2 + 18x + 2? (3, -25) (-3, -25) O (3, 29) (-3, 29)

Mathematics
2 answers:
koban [17]3 years ago
9 0

Answer:

its C on edg

Step-by-step explanation:

follow mhy ifunny"dankmemehistory"

Amanda [17]3 years ago
4 0

Answer:

(3,29)

Step-by-step explanation:

=-3(x2-6x)+2

=-3(x2-6x+9)+2+27

=-3(x-3)2+29,so the vertex will be (3,29)

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Answer:the plane in still air is 904 km/h

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Step-by-step explanation:

Let x represent the rate or speed of the plane in still air.

Let y represent the rate or speed of the wind.

Flying against the wind, an airplane travels 4000 kilometers in 5 hours. This means that the total speed of the airplane would be (x - y) km/h

Distance = speed × time

Therefore

4000 = 5(x - y)

4000 = 5x - 5y - - - - - - - - -1

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5040 = 4(x + y)

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Multiplying equation 1 by 4 and equation 2 by 5, it becomes

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Subtracting, it becomes

- 4160 = - 40y

y = - 4160/-40

y = 104

Substituting y = 104 into equation 1, it becomes

4000 = 5x - 5 × 104

4000 = 5x - 520

5x = 4000 + 520

5x = 4520

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what is the lenght and width if the perimeter is 38 cm and the area is 88 sq cm. ? please show solution
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Ok

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