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aleksandr82 [10.1K]
3 years ago
5

Find the circumcenter of a triangle ABC with vertices at A(2, 2), B(0, -4), and C(7, -1). What is the circumcenter? 20 POINTS IL

L MARK BRAINLIEST
Mathematics
1 answer:
kotykmax [81]3 years ago
7 0

just add up the lengths of the three sides

length of AB =

\sqrt{ {2}^{2} +  {6}^{2}  }

length of BC

\sqrt{ {7}^{2} + {3}^{2}   }

length of CA

\sqrt{ {5 }^{2}  +  {1}^{2} }

(yeah, it's with pythagoras)

let's sum everything up

length AB+BC+CA = 21.011

the units would just be considered as "length units" I guess

hope it helps. have a nice day.

feel free to ask questions.

and maybe, if I'm feeling really nice and a lil bored, i leave greeting answers under yours to enable posters to give gives brainliests. if theres no 2and answer at least

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SIZIF [17.4K]
0.10d + 0.25q = 3.55
q = d + 3

0.10d + 0.25(d + 3) = 3.55
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q = d + 3
q = 8 + 3
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3 years ago
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a record store is having a sale during which all items will be sold at 25% less then marked prices. How much will a CD marked $1
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Answer:

$12

Step-by-step explanation:

If you're taking off 25% of the regular cost, "taking off" means subtracting.  So if we subtract 25% OF 16, the word "of" means to multiply here.  So our expression then becomes:

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4 years ago
I’m confused on this one
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It's reflection; it's not translation

so answer is the last one.

d. No; it is one reflection after another with respect to the two parallel lines.

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Find the perimeter. Simplify your answer.
labwork [276]

Answer:

26s +24

Step-by-step explanation:

The perimeter is the total length of all its sides.

Perimeter

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= 10s +3s +10s +3s +3 +9 +3 +9

= 26s + 24

7 0
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