Step-by-step explanation:
-5x + 4y = 2
+ (9x - 4y = 6)
=> 4x = 8, x = 2.
Therefore -5(2) + 4y = 2, 4y = 12, y = 3.
The solution pair is (2,3).
Answer:
3,973 ( I really don't know for sure , just letting you know but I tried )
Step-by-step explanation:
9(-7) * 9(-7) + 4 = 3,973
Answer:
29.6
Step-by-step explanation:
Answer: The club membership increased by 20%
Step-by-step explanation:
A clubs Membership increased from 25 to 30 members. This means that the number of people by which the club's membership increased is
30 - 25 = 5
To determine the percentage of increase, it would be
Increase in membership/initial number of members × 100
It becomes
5/25 × 100 = 0.2 × 100 = 20%
Percentage increase is 20%