A box contains 30 radio chips of which 10 are defective. If 7 chips are picked at random out of the box randomly, what is the pr
2 answers:
You might be interested in
Answer:
Option A is correct
Step-by-step explanation:
Hope it is helpful....
Answer:
y = -12
Step-by-step explanation:
You first calculate the x coordinate using the equation x = , which in this case is
.
Then plug that x value into the equation to get the y coordinate:
4(-1)²+8(-1)-8 = -12
Angle QRT is an exterior angle to the triangle. The rule is that the exterior angle of a triangle is equal to the sum of its remote interior angles. Those remote interior angles are angle RTS and angle TSR. So our equation is 
. We can remove the parenthesis and simplify by combining like terms to get 9x = 5x + 9 + x and 9x = 6x + 9 and 3x = 9. That means that x = 3.