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AURORKA [14]
3 years ago
14

How many metres are there in ½ of ⅕ km​

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Step-by-step explanation:

1/5=1/5×1000=200

1/2 of 200

1/2×200=100

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For questions 3 – 5, an airplane is heading south at an airspeed of 540 km/hr, but there is a wind blowing from the northeast at
GuDViN [60]

First, let's calculate the horizontal and vertical components of the wind speed (W) and the airplane speed (A), knowing that south is a bearing of 270° and northeast is a bearing of 45°:

\begin{gathered} W_x=W\cos45°\\ \\ W_x=50\cdot0.707\\ \\ W_x=35.35\\ \\ \\ \\ W_y=W\sin45°\\ \\ W_y=50\cdot0.707\\ \\ W_y=35.35 \end{gathered}\begin{gathered} A_x=A\cos270°\\ \\ A_x=540\cdot0\\ \\ A_x=0\\ \\ \\ \\ A_y=A\sin270°\\ \\ A_y=540\cdot(-1)\\ \\ A_y=-540 \end{gathered}

Now, let's add the components of the same direction:

\begin{gathered} V_x=W_x+A_x=35.35+0=35.35\\ \\ V_y=W_y+A_y=35.35-540=-504.65 \end{gathered}

To find the resultant bearing (theta), we can use the formula below:

\begin{gathered} \theta=\tan^{-1}(\frac{V_y}{V_x})\\ \\ \theta=\tan^{-1}(\frac{-504.65}{35.35})\\ \\ \theta=-86° \end{gathered}

The angle -86° is equivalent to -86 + 360 = 274°.

Therefore the correct option is b.

8 0
1 year ago
A number consists of two digit whose sum is five
Nataly [62]

Answer:

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Step-by-step explanation:

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3 years ago
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Jet001 [13]

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Step-by-step explanation:

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5 0
3 years ago
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What is 9/12 in simplest form
sergiy2304 [10]
3/4…
To simplify a fraction, you have to find a similar factor between the numerator and denominator. In this case, it would be 4.
You would divide both numbers by this common factor and create a new fraction.
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3 years ago
-10+8x=70 Anyone have the answer for these <br><br><br><br> 142+x x+62
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Answer:

Step-by-step explanation:

U need to think

7 0
3 years ago
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