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First, let's rewrite to make this problem easier.
1^2 - a^2b^2
Then we must multiply the terms with equal exponents with their bases.
1^2-(ab)^2
Using the factor: a^2 - b^2=(a-b)(a+b)
We can factor using that expression.
(1-ab) x (1+ab)
After factoring, this has been our solution.
Solution: (1-ab) x (1+ab)
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- Tutor John
Answer:
d
Step-by-step explanation:
i hope im right but i dont trust myself
Answer:
Step-by-step explanation:
From the question we are told that
Equation of cross section is 
Generally the equation can be rewritten mathematically as
Generally the equation of a parabola with vertical axis is mathematically given by
Therefore comparing equations
The distance from the bulb to the vertex of the cross section is given by
#1 (15)
50%= 1/2
1/2 of 30 is the same as 30÷2=15
#2 (20kg)
25%= 1/4
1/4 of 80 is the same as 80÷4= 20
#3 (30cm)
1/3 of 90 is the same as 90÷3=30
#4 (8m)
2/3 of 12 is the same as 12÷3= x2
12÷3= 4(2)= 8
#5 (70)
10% = 1/10
1/10 of 700 is the same as 700÷10= 70
#6 (280)
40%= 4/10
700÷10=x(4)
70(4)=280
#7 (2700 m)
9/10
3000÷10=x(9)
300(9)= 2700
Answer:
0
Step-by-step explanation:
