The eleventh term of an AP, is 25 and its first term is -...
The eleventh term of an AP, is 25 and its first term is -3. Find its common difference.
19/10
21/5
23/11
21/2
24/5
Correct answer is E
a + 10d = 25
-3 + 10d = 25
d = 28/10 = 24/5
The probability that kebba, Ebou and Omar will hit a target are 23, 34 and...
Find the value of α2 + β2 if α + β = 2 and the distance between points (1, &al...
If the mean of 3, 5, 8, k, 14 and 17 is 11, what is the value of k ...
Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9 ...
Approximate 0.9875 to 1 decimal place. ...
Express 719 as a percentage, correct to one decimal place...
In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ...
If y = 2x3 + 6x2 + 6x + 1, Find dydx...
A trader bought 100 oranges at 5 for N40.00 and 20 for N120.00. Find the profit or loss percent ...