It represents that because multiplication is like adding continually so it represent 8+8+8+8 which is 8 x 4
Answer:
21-7x
Step-by-step explanation: gather like terms
25-4=21 -9x+2x=-7x
Answer:
-16x+3y
Step-by-step explanation:
(-6x)+(-10x)=-16x ,. (9y)+(-6y)=3y ,. so the answer is -16x+3y
A car travels 440km in 15.4 hours -> In 1 hour, the car travel 1/(15.4) the distance.
So in an hour, the car travel : 440 x 1/(15.4) = 28.5714285714... (round to 29)
So, the average speed of the car is approximately 29 km/h
Answer:
the measure of x is the same as the one opposite of it so answer is 115