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Maslowich
3 years ago
9

Hi PLEAZE HELP I DON'T KNOW WHAT TO DO (will give brainliest for best answer)

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
7 0

Answer:

360

Step-by-step explanation:

We know, each angle of an equilateral tringle is 60 degrees

For each angle, exterior angle = 180 - 60 = 120 degrees

So, sum of exterior angles = 120 + 120 + 120 = 360 degrees

[If there's any problem with the solution, please inform me]

bazaltina [42]3 years ago
5 0

Answer:

360°

My reason is above

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The bike you have been saving for is discounted 20%. You have $400 saved to purchase it. The retail price of the bike is $450. T
Murrr4er [49]

Answer: You cannot buy it.

Step-by-step explanation:

$450 with a 20% percent discount would be $360

Add in a sales tax of 5.25%, and it amounts to $549 in total.

Since you only have $400, you cannot buy the bike.

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4 years ago
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6 0
3 years ago
Find the value of cosec^2 30 degree - sin^45 - sec^60
Sedbober [7]

<u>For this question, I will be writing 'csc' instead of 'cosec'</u>

<u />\sin 30^{\circ}=\frac{1}{2} \implies \csc 30^{\circ}=2\\\\\sin 45^{\circ}=\frac{1}{\sqrt{2}}\\\\\cos 60^{\circ}=\frac{1}{2} \implies \sec 60^{\circ}=2\\\\\\\therefore \csc^{2} 30^{\circ}-\sin^{2} 45^{\circ}-\sec^{2} 60^{\circ}=2^{2}-\left(\frac{1}{\sqrt{2}} \right)^{2}-2^{2}=\boxed{-\frac{1}{2}}

4 0
2 years ago
A plane flies 1.4 hours at 150 mph on a bearing of 10. It then turns and flies hours at the same speed on a bearing of . How far
Gnesinka [82]

Answer:

The answer is "1035.76 miles"

Explanation:

The aircraft flies at 120 mph for 1.5 hours at a 10^{\circ} bearing, then flies at the very same speed at 100^{\circ} bearings for 8.5 hours.

However an angle of 100-10 = 90^{\circ} between displacements

First shifts= 1.5 \times 120 = 180\  miles.

Second shift = 8.5\times 120 = 1020\ miles.

These two shifts are at 90^{\circ} and therefore the final shift is:

\to \sqrt{180^2+1020^2}=1035.76 \ miles

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What is the distance between each pair of points ( -6, -5) and (2, 0)
Mice21 [21]
The would be to this would -4,-5
3 0
3 years ago
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