3 years ago

Help pleaseeeeeeeeeeeeeeeeeeeeeee

Mathematics

2 answers:

Alika [10]3 years ago

4 0

Answer:

The answer is 3 mark as brainliest

Step-by-step explanation:

3 *3-4*4+2*5

9-16+10

9-6=

Mila [183]3 years ago

3 0

Answer:

Hey there!

3a-4b+2c

3(3)-4(4)+2(5)

9-16+10

Your answer would be 3.

Hope this helps :)

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Step-by-step explanation:

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for 20 battery..it would cost 30

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3 years ago

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2 years ago

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lubasha [3.4K]

<h2>Answer:</h2>

$\boxed{(5(-\sqrt{2}+\sqrt{6}),5(\sqrt{2}+\sqrt{6}))}$

<h2>Step-by-step explanation:</h2>

The origin of the coordinate system is the center of the circle. So we have an angle that measures $5\pi/12=75^{\circ}$ . so the x-coordinate and y-coordinate can be found, by using trigonometry as follows:

$x=20cos(5\pi/12)=5\sqrt{6}-5\sqrt{2} \\ \\ Arranging:\\ \\x=5(-\sqrt{2}+\sqrt{6}) \\ \\y=20sin(5\pi/12)=5\sqrt(6)+5\sqrt{2} \\ \\ Arranging:\\ \\y=5(\sqrt{2}+\sqrt{6})$