dshelton004 dshelton004

20-03-2018
Mathematics

contestada

Tell whether the angles are complementary or supplementary. Then find the value of x.

Tell whether the angles are complementary or supplementary Then find the value of x class=

Respuesta :

jimthompson5910 jimthompson5910

20-03-2018

They form a straight angle, so they are supplementary. A straight angle is 180 degrees. The two angles add to 180 degrees.

(3x+25)+(2x) = 180
3x+25+2x = 180
(3x+2x) + 25 = 180
5x+25 = 180
5x+25-25 = 180-25 .... subtract 25 from both sides
5x = 155
5x/5 = 155/5 .... divide both sides by 5
x = 31

Answer Link

Otras preguntas

Which of the following is a proper fraction? 4/5 4/3 3/2 5/4

Children can naturally organize themselves

he speeds (in MPH) of automobiles traveling in a city are given below: 20, 35, 42, 52, 65, 49, 24, 37, 23, 41, 50, 58 The mean speed of the cars is

9. A building 62 feet tall casts a shadow 21 meters long. At what angle is the sun shining on the building? A. 19.80 B. 18.71 C. 70.20 D. 71.29

Hihi , please help if able.

The equation of the line is:

Use Newton''s method to find the second and third approximation of a root of x^3 + x + 3= 0 starting with x1 = -1 as the initial approximation. The second appr

can someone explain and answer this for me??

In a circle, the length of an arc incepted by a central angle is 12mm, and the radius of the circle is 8mm. What is the measure, in radians, of the circle?

write one sentence about education using one subject and one verb