mak26 mak26
  • 15-02-2017
  • Mathematics
contestada

please help meeeeee ://

please help meeeeee class=

Respuesta :

Setor9
Setor9 Setor9
  • 15-02-2017
A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
15x+15=180
-15 -15
15x=165
15/15x=165/15
x=11

Angle 1 is
12x+8
12(11)+8
132+8
140
Therefore measure of angle 1 is 140°

Angle 2
3x+7
3(11)+7
33+7
40
Measure of angle 2 is 40°

Answer Link

Otras preguntas

Three is six less than one-third the number p
Which equation could be used to solve for the length of side c, given a = 5, b = 12, and c = 72°?
What effects can child abandonment have on children, later in their lives?
A _______ is a set of characters that uses the same typeface.
Danny goes to a military academy to become a soldier. this is an example of
Diane and Nancy split a bill of 58.40 plus a 15% tip how much did each person pay
Understand how politics is the struggle over "who gets what when and how"
Find a formula for the number of patrons as a function of profit.
Oliver is working on a puzzle of the Eiffel Tower. The tower in the puzzle is 28.5 in. tall. The packaging lists the scale as 1:415. What is the height of the a
What is the slope of line represented by 1/8x + 3y =3