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Nadusha1986 [10]
3 years ago
7

Find an equivalent ratio for the ratio 90 : 18

Mathematics
1 answer:
Helga [31]3 years ago
7 0
The only equivalent ratio is the last one, 10:2

90/9=10
18/9=2
10:2

Hope this helps!
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See question in image and show workings​<br><br>Note : 1 nautical mile = 1.86km
ycow [4]

Answer:

a)

AB is on the latitude 30°N.

<u>Find AB:</u>

  • AB = 2*3.142*6400*cos 30°*(32+35)/360 = 6482.15 km

BC is along longitude 35°W

<u>Find BC:</u>

  • BC = 2*3.142*6400*(30 + 20)/360 = 5585.77 km

<u>Total distance traveled:</u>

  • 6482.15 + 5585.77 = 12067.92 km

<u>Convert the distance to nautical miles:</u>

12067.92/1.86 = 6488.13 nautical miles

b)

<u>Find the average speed:</u>

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<u>Note</u>. <em>This is unrealistically high speed for a ship, this must be a plane or the time given wrong.</em>

3 0
2 years ago
What is the value of the natural logarithm when x =0.6 is rounded to the nearest hundredth
Bezzdna [24]
We are tasked to determine the natural logarithm when x = 0.6. 
x = 0.6, applying natural logarithm on both sides, we have it:
ln x = ln 0.6 using a scientific calculator, enter ln 0.6 and then this would give an answer of -0.5108256238
As per instruction, we are required to round the answer to the nearest hundredth such as the final answer is -0.51.

The answer is the letter "B".
3 0
3 years ago
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There are 16 ounces in 1 pound, Juan is mailing a package that weighs 96 ounces. He wants
Mazyrski [523]

Answer:

96oz = 6 pounds

Step-by-step explanation:

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5 0
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Solnce55 [7]

Answer:

\boxed{-\frac{43}{16}}

.

Step-by-step explanation:

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= -\frac{3}{16}  - \frac{5}{2}

= \frac{-3 - 5(8)}{16}

= \frac{-3 - 40}{16}

= -\frac{43}{16}

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3 years ago
Order the following numbers from least to greatest.
TEA [102]

Answer:

-5.2, -4.75, -9/2

Step-by-step explanation:

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