Algebra
What is/are the roots of the equation below?
x2+4x+4
-2
c2=a2+b2-2ab*cos(C) is also known as what?
Cosine Rule
Find gcd(12345654321,12345654322)
1
A train departs every 15 minutes starting at 8:00 AM. What time will the 10th train depart?
10:15 AM
Given 2 Events, A and B, P(A) = 0.3, P(A U B) = 0.7 and P(B') = 0.6. Calculate P (A n B).
0.3
If David has twice as many 5¢ as Tom, and Tom has 15 more 5¢ than John, what is the value in dollars of David’s 5¢ if John has 6 "5¢'s"?
210 cents = $2.10
The sum of two numbers is 45. The larger number is 3 more than twice the smaller number. Find the numbers.
14 & 31
Find the remainder the last 2 digits of 32024
81