Answer:
x=2, y=1
Step-by-step explanation:
4x+8y=16
4x-8y=0
Add the two equations together:
8x=16
Divide both sides by 8:
x=2
Plug this back into one of the original equations to find y:
4(2)-8y=0
8-8y=0
y=1
Hope this helps!
Answer:
45
Step-by-step explanation:
13 x 4 = 52
13 represents # of cars
4 represents tires per car
52 represents total tires
52 tires - 7 damaged tires = 45 undamaged tires
<h3>
Answer: 3/5</h3>
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Explanation:
The set {1, 2}U{2, 6, 7, 9}U{5, 6, 7} simplifies to {1,2,5,6,7,9} after we combine everything and sort the values. We toss any duplicates.
Let B = {1,2,5,6,7,9}
There are 6 items in set B out of 10 items in set A.
The probability of landing in set B, if you pick something randomly from A, is 6/10 = 3/5
Answer:
3.96
Step-by-step explanation:
3.3÷5=0.66
6×0.66=3.96
