6=.75x
x= 8 hours for the whole race
Answer:
I think it is 37.5°.
Step-by-step explanation:
Answer: d) x+y =40
x=2y -11
Step-by-step explanation:
Answer:
(-6,-5)
Step-by-step explanation:
X+y=-11
solve for x
x=-11-y
substiute x value into 2nd equation
2x-3y=3
2(-11-y)-3y=3
-22-2y-3y=3
-5y=25
y=-5
substitute -5 for y in either equation to find x
x+y=-11
x+-5=-11
x=-6
Answer:
4
Step-by-step explanation:
- 16÷4=4 12÷3=4 meaning is.the lowest common multiple