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nadya68 [22]
3 years ago
5

LOOK AT THE ATTACHMENT, PLS HELPPPPPPP!!

Mathematics
1 answer:
LenKa [72]3 years ago
8 0

Answer:

sorry i don't understand the writing..

Step-by-step explanation:

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Suppose triangle ABC has vertices at A(1, 0), B(10, 0), and C(2, 6). After a 60° counterclockwise rotation about the origin, ver
Artemon [7]
Check the picture attached.

Let OB be the radius of circle with center O.

Let B' be the image of B after the described rotation

OB and OB' are sides of the equilateral triangle OBB'.

The x coordinate of B' is the midpoint of OB, that is 5.

In the right triangle B', point (5, 0) and B:

Distance point (5, 0) to B is 5
|B'B|=|OB|=10

so by the pythagorean theorem:

a= \sqrt{ 10^{2} - 5^{2} } = \sqrt{ 2^{2} *5^{2} - 5^{2} }= \sqrt{5^{2}(4-1)}=5 \sqrt{3} units



Answer: 5 \sqrt{3}

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24, since 54-30 is 24, and 30+24 is 54.
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A college student completed some courses worth 3 credits and some courses worth 4 credits. The student earned a total of 59 cred
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They completed 13, 3 credit classes

Step-by-step explanation:

1. Make 2 formulas. In this case: x+y=18

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What is 1 divided by 1/5
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