kalizeller kalizeller
  • 07-03-2018
  • Mathematics
contestada

Please help !!! Need fast

Please help Need fast class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 07-03-2018
4x+30=90
4x = 60
  x = 15

answer is B. 15
Answer Link
Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 07-03-2018
Since b and d are perpendicular the angles they form are 90 degree angles.  Also given that a and b are parallel the angles between a and d are the same as those with b and d.

SO we can say that 4x + 30 = 90
4x = 60
x = 15
Answer Link

Otras preguntas

How does deposition change Earth's surface?
True or false??1. volcanoes can carve landforms, such as lakes and valleys, in a matter of hours.2. The Hawaiian Islands were formed by volcanoes located at a p
how do you solve 3x-2 divided by 8=x/4-1 ?the answer is x= -6but how do you solve it?
A train is accelerating at a rate of 2 km/hr/s.  If its initial velocity is 20 km/hr, what is its velocity after 30 seconds?
how do you solve x^2+11x+18=0 with either quadratic formula. factoring. or squarerooting
(x³+6)(x⁴-9)= _____  (type terms in descending order) please help!!!!!
please help!!!  solve using principles of zero products. 6r(7r-6)(6r-1)=0
A car's velocity increases from rest to 14 m/s, E, in 3.5 sec. What is its acceleration
Simplify the expression:z2-z(z+3)+3z
how much material was used in the manufacture of 24000 celluloid dice,if each dice has an edge 1/4 inches?