exam
Maths Puzzle
Numerical Ability
A 5 digit number is written down at random.The probability that the number is divisible by 5 and no two consecutive digits are identical is?
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exam Other Question
How many positive real numbers are there in:
f(x) = x^4 - 4x^3 + 6x^2 - 4x + 1
a. 1 or 0
b. 2 or 0
c. 4 or 2
d. 2 or 0
Find the vertex, focus, and directrix of the graph of the equation:
-20(x+2)= (y+3)^2
please, please help! thankyou so much! <3