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Crazy boy [7]
2 years ago
7

Find the equation of straight line passing through the centroid of the centroid of ABC

Mathematics
1 answer:
dem82 [27]2 years ago
4 0

Answer:

use the formula of centroid that is

= x1+x2+x3/3

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Please help me with these!
Dvinal [7]

Answer:

Step-by-step explanation:

A1. C = 104°, b = 16, c = 25

Law of Sines: B = arcsin[b·sinC/c} ≅ 38.4°

A = 180-C-B = 37.6°

Law of Sines: a = c·sinA/sinC ≅ 15.7

A2. B = 56°, b = 17, c = 14

Law of Sines: C = arcsin[c·sinB/b] ≅43.1°

A = 180-B-C = 80.9°

Law of Sines: a = b·sinA/sinB ≅ 20.2

B1.  B = 116°, a = 11, c = 15

Law of Cosines: b = √(a² + c² - 2ac·cosB) = 22.2

A = arccos{(b²+c²-a²)/(2bc) ≅26.5°

C = 180-A-B = 37.5°

B2. a=18, b=29, c=30

Law of Cosines: A = arccos{(b²+c²-a²)/(2bc) ≅ 35.5°

Law of Cosines: B = arccos[(a²+c²-b²)/(2ac) = 69.2°

C = 180-A-B = 75.3°

6 0
2 years ago
A pair of shoes costs $25 to make. This means that you need to charge a price of at least ___ just to cover your cost.
enyata [817]
I believe the answer is $50.
4 0
3 years ago
Read 2 more answers
What is the value of x? 1/3x-2/3=-18 ( please help it’s due tomorrow)
Nikolay [14]
X=56 is the answer :)
4 0
3 years ago
Is 15º an acute angle, right angle, obtuse<br> angle, or straight angle?<br> flant role
White raven [17]

Answer:

acute angle

Step-by-step explanation:

right is 90 degrees

obtuse is greater than 90 degrees

acuta is less than 90 degrees

straight is 180 degrees

so acute.

Brainliest appreciated

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2 years ago
Need answer asap *** 50 POINTS
lara31 [8.8K]
I’m pretty sure it’s B if not try D
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