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I. x ² + 5 x + 6 = 0 ( x + 3) ( x + 2) = 0 x = -3, -2 II. y²+ 7 y + 12= 0 ( y + 4) ( y + 3) = 0 y = -3, -4 Hence, x ≥ y
The current ages of A and B are in the ratio of 4:7. Six years from now, the ages of B and C will be in the ratio of 2:3. If the average of the present ...
(28 × 5 ÷ 7) × 6 = ?
The following table shows the marks obtained by five students in three subjects:
Calculate the total sum of all numbers between 101 and 149 that are divisible by 5.
if p:q = 3:4 and q:r = 1:2, the find the value of (4p + 3q + r):(2p + 5q - r)
Find the simplified value of the expression:
32 + 12 x 108 ÷ 12 + 4 + 32 ÷ 16 x 3
Two poles are 30 meters and 50 meters high, and the distance between their bases is 20√3 meters. Find the angle of elevation of the top of the taller ...
The value of 4 sin2 30˚ - tan2 60˚ + sec2 45˚ is equal to -
96 × 30 – (400 ÷ 5) × 8 = ?.
A parallelogram has two adjacent angles measuring 110° and 70°. What is the difference of the other two angles?