Seudónimo Seudónimo
  • 15-08-2017
  • Mathematics
contestada

NEED HELP PLEASE don't know how to solve

NEED HELP PLEASE dont know how to solve class=

Respuesta :

Banabanana
Banabanana Banabanana
  • 15-08-2017
The angle formed by the intersection of tangent and secant outside the circle equals half the difference of the intercepted arcs.

[tex] \frac{10x+20-80}{2}=2x+15 \\ 10x-60=2(2x+15) \\ 10x-60= 4x+30 \\ 10x-4x=30+60 \\ 6x=90 \\ x=90/6 \\ x=15[/tex]
Answer Link

Otras preguntas

Four random genetic matches then formed the following diploid offspring. Using the text box or pen tools, label the alleles on each offspring.
How are the crust and the inner core ALIKE? A) They are both solid B) They both have the same temperature C) They are both under the same pressure D) They ar
-3х - y + 4 = 28 2х - 3y+ 2 = 2 3х - 2y + 2 = 2 Solve each system by elimination
Use words to write this expression d/10
convection cells gizmos
Solve for y 129 = y + 43
The length of a rectangular room is 5 m more than the width. The area of the room is 150 m². Find the length and the width of the room.
solve for x: 7x + 8 = 3x - 4
It cost $4 to buy a hamburger (x) and $2 for a pack of french fries (y) at McDonald’s. What combinations of hamburgers and french fries can be purchased with $2
What would be the first threat if the mining company were to start mining in the national park?