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Bogdan [553]
4 years ago
11

What are the measures of Angles a,b, and c? Show your work and explain your answers. Will marks best answer as Brainliest

Mathematics
1 answer:
Soloha48 [4]4 years ago
5 0
Angle a is directly opposite from a 40 degree angle, so a=40. Then we can find b since the sum of the angles of all triangles is 180 and there is a right angle in there along with angle a:
180=90+40+b
b=50

Last, to find c we just notice that it is supplementary with an angle of measure 65, so:
c+65=180
c=115

So our angles are a=40, b=50, c=115.
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PLZ HELP ASAP!! WHAT IS 7- x-3 DIVIDED BY 4 + 2 ( WILL MARK BRAINLIEST)
Alik [6]
Not sure if this is what you mean but this is what I got.

6 0
3 years ago
The coordinate of centroid of a triangle whose vertices are (1,3,-2), (4,5,0), (6,3,9) is = ……………….
Dominik [7]

Answer:

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

Step-by-step explanation:

Given

(x_1,y_1,z_1) = (1,3,-2)

(x_2,y_2,z_2) = (4,5,0)

(x_3,y_3,z_3) = (6,3,9)

Required

Determine the coordinates of the centroid

Represent the coordinates with C.

C is calculated as follows:

C = (\frac{1}{3}(x_1+x_2+x_3),\frac{1}{3}(y_1+y_2+y_3),\frac{1}{3}(z_1+z_2+z_3}))

Substitute values of x and y in the given equation

C = (\frac{1}{3}(1+4+6),\frac{1}{3}(3+5+3),\frac{1}{3}(-2+0+9}))

C = (\frac{1}{3}(11),\frac{1}{3}(11),\frac{1}{3}(7}))

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

<em>The above is the coordinate of the centroid</em>

8 0
3 years ago
What is the solution to the inequality 2x&lt;20
Keith_Richards [23]

The given expression is

2x

We just have to divide by 2

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8 0
1 year ago
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vesna_86 [32]

Answer:

The sum of 5x and 2xis at least 14 as an inequality is: 5x +2x < 14

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Step-by-step explanation:

8 0
3 years ago
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5/22 is that rational number
PIT_PIT [208]
Yes because 5/22 is 4 2/5 and that equals .4
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3 years ago
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