Answer:

Step-by-step explanation:
To convert from degrees to radians you multiply by 
Answer:
See below.
Step-by-step explanation:
A difference of squares is a quadratic written in the form
. This form occurs naturally when distributing binomials.

The difference of squares formula is

Example:


Answer:
2x²-42x-9
Step-by-step explanation:
5x²-30x-3x²-12x-9
2x²-42x-9
First, we need to isolate the variable x.
To isolate x, we simply need to multiply both sides by 9, which would result in x = 9
<span>the proccess of choosing is independent so probability of choosing from machin1 is:300/1000 =0.3
choosing from machin2 is:707/1010=0.7
the total result is 0.3*0.7=0.21 ;</span>