exam
Maths Puzzle
Numerical Ability
Triangle ADE ~ triangle ABC
Given: DE = 5, AD = 8, DB = BC
Find: AB
(Hint: Find DB first.)
I need help with the hint. I know that I need to some how set up a proportion
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I have these problems and in need of help . Please explane and help me . Thanks .
For f(x) = 5x - 4, find f (-1).
Perform the indicated operations:
(x2 - 4x + 1) - (-8x2 + 2x - 6) - (x2 + 3x - 5)
n(a)=12
n(BUC)=38
n(c')=9
n(A'UC')=16
AUBUC=U
A'UB'={u,e,a}