Answer:
a = - 3
Step-by-step explanation:
The equation has common factors x(x + 3) on both sides
For the 2 sides of the equation to be equal, then the factor
(x + a) = (x - 3) and by comparison
a = - 3
Answer:
The answer to your question is below
Step-by-step explanation:
2x² - 8x = - 7
Divide by 2
Complete the trinomial
Simplify
Factor
(x - 2)² = 
Get the square root
Simplification
x - 2 =± 
x₁ = 2 +
x₂ = 2 - 
2 because X=2 i think . is there any more information you could give me.
Answer:
The probability that the 2nd Heads occurred at the 4th toss is 5.99%.
Step-by-step explanation:
Given that there were 4 Heads in the first 7 tosses, to find the probability that the 2nd Heads occurred at the 4th toss the following calculation must be performed:
7 - 4 = 3
4/7 x 3/7 x 3/7 x 4/7 = X
0.571 x 0.428 x 0.428 x 0.571 = X
0.0599 = X
Therefore, the probability that the 2nd Heads occurred at the 4th toss is 5.99%.
Answer is 176
k=16*11
k= 176
