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andrey2020 [161]
3 years ago
11

An express plane is travelling at 50 km/h. How far does it go in 1 day?.​

Mathematics
1 answer:
lubasha [3.4K]3 years ago
4 0

Answer:

1200km/h

Step-by-step explanation:

in one hour it covers 50km

therefore because a day has 24hrs

we multiply

=50x24

=1200km/h

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Answer:

D

Step-by-step explanation:

The equation of a parabola in vertex form is

f(x) = a(x - h)² + k

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To obtain this form using the method of completing the square.

Given

f(x) = 3x² - 24x + 10

We require the coefficient of the x² term to be 1 , thus factor out 3

3(x² - 8x) + 10

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 8x

= 3(x² + 2(- 4)x + 16 - 16) + 10

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3 years ago
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
A farmer has 1800 m of fencing. He needs to create
NeTakaya

Answer:

67,500 m²

Step-by-step explanation:

ASSUMING the fields look like this __________________

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                                                            |                    |                   | W

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Let L be the length of the combined field and W be the width

2L + 3W = 1800

2L = 1800 - 3W

L = 900 - 1.5W

A = LW

A = (900 - 1.5W)W

A = 900W - 1.5W²

Area will be maximized when the derivative equals zero.

dA/dW = 900 - 3W

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L = 450 m

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7 0
2 years ago
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Step-by-step explanation:

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