escalantesilvia escalantesilvia

03-10-2017
Mathematics

contestada

A and B are supplementary angles. If A = 7x - 18 and B = 8x + 3, find x

Respuesta :

choixongdong choixongdong

03-10-2017

supplementary angles, sum = 180
7x - 18 + 8x + 3 = 180
15x - 15 = 180
15x = 195
x = 13

answer
x = 13

Answer Link

Otras preguntas

Each verb below, one noun does not go with it. Which one? 1/ discover ( the truth, a cure, DNA, gold ) 2/ make ( cars, a discovery, a phone call ) 3/ tell ( hel

which is longer 635 millimeters or 535 centimeters ?

A person sees a ball and kicks it, in part because of actions of the nervous system. Using the parts of the nervous system listed bellow, describe the path of n

find an equation of the tangent line to the circle x^2 +y^2=24 at the point (-2 square root 5, 2).

Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space in his bookcase.

Who is SohCahToa Joe? on Csi geometry:trigonometry I need the answers.

at what point do scientists classify an area's weather as its climate? 1 year ,5 years ,15 years or 30 years

names is often given to the journey of africans who were brought to the americas as slaves?

true or false a trapezoid is a polygon, so all polygons are trapezoid. explain.

in what way is a gene pool representative of a population