-2x+8 = x-1 substitute for one of the y
-8. -8 solve for x
-2x = x -9
+x =. +x
-1x = -9
/-1. =. /-1
x=9
y=-2(9)+8 now solve for y by putting x
y= 18 +8 in the one of the original
y= 26 equations.
(9,26)
Answer:
492.8
Step-by-step explanation:
just add it
Answer:
1,
,
.
Step-by-step explanation:
probability = 
Total number of persons in the party = n
a) Pr ( every person gets their phone back) = Pr (each person picks his phone ) multiplied by number of person
=
× n = 1.
No of first m persons to pick = m
No of last m persons to pick = 1 - m
b) Pr (first m persons to pick each gets their phones back) = 
c) Pr( first m persons get a phone belonging to last m persons) = 
Answer:
-The probability of choosing a meat dish is equal to the probability of choosing a pasta dish or a soup(
)
Step-by-step explanation:
Given that the number of events is 25 and 13 are meat dishes, 8 are pasta dishes, and 4 are soups.
-Probability is defined as the number of successful event divide by the total number of events.
#find probability of each event:


Hence, the FALSE choice is:The probability of choosing a meat dish is equal to the probability of choosing a pasta dish or a soup.