y=180-109=71
In a triangle, the sum of angles is 180.
So, x=180-71-44=65
x=65
Two dice are rolled and their sum is a recorded.find each probability
1 answer:
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Answer:
Step-by-step explanation:
Let denotes number of pencils, markers, erasers respectively.
For Andrea:
For Justin:
For Virginia:
On subtracting equations (i) and (ii), we get
Put in equation (i)
Put in equation (iii)
Multiply equation (iv) by 5 and equation (v) by 6 and then subtract both the equations.
Put in equation
Put in equation (i)