Answer:
I = 
Step-by-step explanation:
Given
E = 9RI ( isolate I by dividing both sides by 9R )
= I
Answer:
70°
Step-by-step explanation:
A right angle is 90°. 90°-20°=70°
Answer:
If Discriminant,
Then it has Two Real Solutions.
Step-by-step explanation:
To Find:
If discriminant (b^2 -4ac>0) how many real solutions
Solution:
Consider a Quadratic Equation in General Form as

then,
is called as Discriminant.
So,
If Discriminant,
Then it has Two Real Solutions.
If Discriminant,
Then it has Two Imaginary Solutions.
If Discriminant,
Then it has Two Equal and Real Solutions.
Answer:
the best estimate for each boc cost is $15
Step-by-step explanation:
divide 305 to 21 it is near 15
Answer:i cant see the situation
Step-by-step explanation: