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Alex_Xolod [135]
2 years ago
13

Decrease £2155.45 by 18.5%

Mathematics
1 answer:
Anastasy [175]2 years ago
4 0

Answer:

Decrease number by 2,155.44% of its value.

Percentage decrease = 2,155.44% × 18.5

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The table shows the record monthly high and low temperatures for a city in Alaska.
Neko [114]
A. The range is equal to the highest value minus the lowest value. Since the table given in part A is already in terms of range, then there is no need for a solution. The range of temperature for each month is as it is.

B. For this question, find the largest value which would represent the all-time high. That would be on February at 95°F. The lowest value would also represent the all-time low. That would be on July at 50°F.

C. The range of part B is just the difference of the all-time high and all-time low temperatures.
Range = 95°F - 50°F = 45°F




3 0
2 years ago
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iris has 120 songs on her playlist each week she downloads 4 new songs. write an expression to show the total number of songs on
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Answer:

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3 years ago
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.

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1 year ago
A ship is 2.8 degrees off course. If the ship is traveling at 14 mph, how far off course will it be after 2 hours?
Ostrovityanka [42]
I am pretty sure it’s 1.37 miles
6 0
3 years ago
Okay so I need to know what 1 + 1 =?
Kobotan [32]

i know but yes i need to know it

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