marieamberr marieamberr
  • 09-04-2018
  • Mathematics
contestada

What is the value of x?



x =

What is the value of x x class=

Respuesta :

calculista
calculista calculista
  • 09-04-2018
    we know that

The Intersecting secant theorem established 
EC*ED=EB*EA
so
(x+4)*(x+5)=(x+1)*(x+12)--------> x²+5x+4x+20=x²+12x+x+12
x²+5x+4x+20=x²+12x+x+12-------> 9x+20=13x+12-----> 4x=8-----> x=2

the answer is x=2
Answer Link

Otras preguntas

At a retail store they needed to do surveys of 32 stores which equals 40% of all their stores.How many stores does the owner have in total?
PLEASE HELP ME I WILL MARK BRAINLIEST!​
How do you solve part c
Two buses 'A' and 'B' are moving in the same direction with the velocities 30m/s and 40m/s respectively. Find the relative velocity of the bus 'A' with respect
Find the measure of x
1. The product of two consecutive numbers is 42. What are the numbers?
Why does Ce2(SO3)3 have a lower solubility than KCl?
Find the slope of the line that passes through the points (-12,10) and (-18,14).
plz help me plz fill in the blanks plz​
How would you display a set of data graphically?