Answer:
8x + 4y
here's your solution
=> (10x + 3y) - (2x - 4y)
=>. now multiple - to (2x - 4y)
=> hence we get -2x + 4y
=> now put this in above
=> 10x +3y -2x + 4y
=> solve for common terms
=> 8x + 7y
hope it helps
Answer:
The dolphin will jump 18 times in 2hours.
Step-by-step explanation:
Find the jumps per hour: 54/6 = 9
^This means that the dolphin jumps 9 times in an hour.
9*2 (hours) = 18
The dolphin will jump 18 times in two hours.
Answer:
12
Step-by-step explanation: 12:3=4, 4 x 2= 8
Answer:
5/9.
Step-by-step explanation:
The slope is the difference in y-values divided by corresponding difference in x-values.
So here:
Slope = (7-2)/(10-1)
= 5/9.
Answer:
c
Step-by-step explanation: