Answer
Step-by-step explanation:
Replace all occurrences of
+
−
with a single
−
. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because
1
⋅
−
1
=
−
1
−
20
−
2
m
Answer:
i belive it is the 3rd on
Step-by-step explanation:
sorry if wrong
The lowest common multiple of 2 and 7 is 14, so 14 days will pass before he does both chores again.
22 total tokens
15/22 is the probability you won’t draw a red
Answer:
The function f has an inverse because it is one-to-one.
Step-by-step explanation:
The condition for a function to have an inverse is that every x coordinate maps to a single y - coordinate. As illustrated by the diagram attached in the second picture, every x value maps to one y value therefore satisfying the condition making the function have an inverse.