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Dvinal [7]
3 years ago
10

3. How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0
It will take 20 hours
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Help me on this thanks
g100num [7]
The answer here is C.

Explanation:
24 feet / 10 inches = 28.8
Then take 60 feet and divide 28.8 by it:
2.08 feet
Then convert 2.08 ft to inches: 24.96 inches
8 0
3 years ago
Simplify: 8i^7+6i^5-5i^3-3i^2-7i-9
Dmitry_Shevchenko [17]
<span>Consider the remainder of the division of the power exponent of i by 4.
For a remainder r equal to 0, 1, 2 or 3, we have a power equal to 1, i, -1 or -i respectively, therefore:

</span>8i^7+6i^5-5i^3-3i^2-7i-9 =
8*(-i) + 6*i - 5*(-i) - 3*(-1) - 7i - 9 =
- 8i + 6i + 5i + 3 - 7i - 9 =
3 - 9 - 8i + 6i + 5i- 7i =
=\boxed{- 6 - 4i}

Answer:
\boxed{- 6 - 4i}

<span>

</span>
5 0
3 years ago
Tan(tan^-1(sqrt(3)/2))
nordsb [41]
Sorry i don't know. i tried. Can you try and help me?
3 0
3 years ago
1. 4/5 - 1/6<br> 2. 3/10 - (-1/4)<br> 3. -2/3 + (3/4 + 5/3)
Sauron [17]
1. Answer: 19/30 or 0.63
2. Answer: 11/20 or 0.55
3. Answer: 7/4 or 1 3/4 or 1.75
3 0
2 years ago
Read 2 more answers
If 7 buses can transport 280 persons how many persons can be carried by 12 buses
skelet666 [1.2K]

Step-by-step explanation:

672 I'm pretty sure cus yea oop-

3 0
2 years ago
Read 2 more answers
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