The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus
68cm
72cm
80cm
88cm
92cm
Correct answer is A
No explanation has been provided for this answer.
1
2
3
5
8
Correct answer is A
No explanation has been provided for this answer.
The 4th term of a G.P is 3 and its first term is 81. What is its common ratio?
3
\(\frac{2}{3}\)
\(\frac{1}{3}\)
-\(\frac{1}{3}\)
-3
Correct answer is C
No explanation has been provided for this answer.
Express the quotient of 0.422 and 0.004 in standard form
1.055 × 102
10.55 × 101
105 × 100
10.55 × 10-1
1.055 × 10-2
Correct answer is A
= \(\frac{0.422}{0.004}\)
= \(\frac{4.22 \times 10^{-1}}{4 \times 10^{-3}}\)
= \(1.055 \times 10^{-1 - (-3)}\)
= \(1.055 \times 10^2\)
Evaluate ut - \(\frac{1}{2}\)ft2 when t = 5, u = -20 and f = 10
225
72
-75
-125
-225
Correct answer is E
No explanation has been provided for this answer.