To solve for x, you need to isolate/get the variable "x" by itself in the equation:
-4.5 = 1.5 - x Subtract 1.5 on both sides
-4.5 - 1.5 = 1.5 - 1.5 - x
-6 = -x Divide -1 on both sides to get "x" by itself
[two negative signs cancel each other out and become positive]
6 = x Your answer is D
You could have also done (without having to do division):
-4.5 = 1.5 - x Add x on both sides to make x positive
-4.5 + x = 1.5 - x + x
-4.5 + x = 1.5 Add 4.5 on both sides
-4.5 + 4.5 + x = 1.5 + 4.5
x = 6
Answer:
i am very sure of the first and second but I have two of the options for the third.
I hope this helps!
Answer:
462ways
Step-by-step explanation:
This Is a combination problem, we we are expected to determine the number of possible ways of selecting the numbers of staffs for a business trip
C(n, r) were n= 11
r=5
C(n, r) = n!/(n-r)! r!
C(n, r) = 11!/(11-5)! 5!
C(n, r) = 11!/(6)! 5!
C(n, r) = 11*10*9*8*7*6!/(6)! 5*4*3*2*1
C(n, r) = 11*10*9*8*7/5*4*3*2*1
C(n, r) = 55440/120
C(n, r) = 462
The number of possible ways is 462
