Calculate without using tables Tan 45° + Cos 60°
\(\sqrt{\frac{3}{2}}\) - 1
\(\frac{1}{2}\)
1\(\frac{1}{2}\)
\(\sqrt{\frac{3}{2}}\) + 1
2
Correct answer is C
No explanation has been provided for this answer.
7.21km
13.53km
16.86km
44.57km
67.17km
Correct answer is B
No explanation has been provided for this answer.
What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?
10001\(_{two}\)
10011\(_{two}\)
10111\(_{two}\)
11111\(_{two}\)
111111\(_{two}\)
Correct answer is D
11101\(_{two}\) → 29
+ 10011\(_{two}\) → 19
- 10001\(_{two}\) → 17
11111 = 31
Evaluate 0.0025 × 2.5 × 102 to 2 significant figures.
0.625 × 10-3
0.63 × 10-2
6.25 × 10-3
6.3 × 10-2
6.3 × 10-1
Correct answer is E
No explanation has been provided for this answer.
If x + \(\frac{1}{x}\) = 8, find x2 + \(\frac{1}{x^2}\)
64
62
32
16
4
Correct answer is B
No explanation has been provided for this answer.