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Gwar [14]
3 years ago
11

41. If n(G) = 20, n(H) = 30, n(G ⋂ H) = 5, find n(G ⋃ H) 42. If n(G) = 5, n(H) = 8, n(G ⋂ H) = 4, find n(G ⋃ H)

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0

Answer:

hope it will help

plz mark brainliest✌️✌️

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Point M is the midpoint of segment JK. Find JK when JM=6x-7 and MK=2x+3.
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If M is the midpoint of JK then JM+MK=JK and JM=MK
so
6x-7=2x+3
minus 2x both sides
4x-7=3
add 7 both sides
4x=10
divide both sides by 4
x=\frac{10}{4}
x=\frac{5}{2}

sub back

JM=6x-7
JM=6(\frac{5}{2})-7
JM=\frac{30}{2}-7
JM=15-7
JM=8

JM=MK=8
JM+MK=8+8=16=JK

x=\frac{5}{2} and JM=8=MK and JK=16
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