Simplify [1 ÷ (x + 1)] - [2 ÷ (x - 1)] + [3 ÷ (x2 - 1)]
- 3x ÷ (x2 - 1)
- x ÷ (x2 -1)
x ÷ (x2 - 1)
(x + 1) ÷ (x2 - 1)
(x + 4) ÷ (x2 - 1)
Correct answer is B
No explanation has been provided for this answer.
Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x?
x > 3
x ≥ 3
x ≤ 3
x < 3
x ≤ -3
Correct answer is B
No explanation has been provided for this answer.
What must be added to 3x2 - 5x to make it a perfect square?
\(\frac{36}{25}\)
\(\frac{25}{36}\)
-\(\frac{25}{36}\)
-\(\frac{5}{6}\)
-\(\frac{6}{5}\)
Correct answer is B
No explanation has been provided for this answer.
2.5
3.14
4.83
6.52
7
Correct answer is B
To calculate the circumference of a circle, use the formula C = πd, where "C" is the circumference, "d" is the diameter, and π is 3.14
N4800.00
N400
N1800.00
N1500.00
N960.00
Correct answer is C
No explanation has been provided for this answer.