1 answer:
Answer:
x^3 + 1/x^3 = 488
Step-by-step explanation:
- x^2 + 1/x^2 = 62
- x^2 + 1/x^2 + 2 = 64
- ( adding 2 in both sides )
- (x + 1/x ) ^2 = 64
- x + 1/x = 8
now,
- ( x+ 1/x ) ^ 3 = 512
- x^3 + 1/x^3 + 3 × x × 1/x ( x + 1/x )
- x^3 + 1/x^3 + 3 ( 8 )
- ( since x + 1/x = 8 )
- x^3 + 1/x^3 + 24 = 512
- x^3 + 1/x^3 = 488
hence, we got x^3 + 1/x^3 = 488
You might be interested in
Answer:
13x + 12
Step-by-step explanation:
The area of the walkway & garden - the area of the garden = the area of the walkway
.75 75% 3/4 is the correct answer
Insert a picture so I can help you out :)
Answer:
The answer to the first question is 32 but I don't know the slope of the line, sorry
4.7 = g / 3.2.....multiply both sides by 3.2....eliminating the 3.2 on the right
3.2 * 4.7 = g
15.04 = g <==
