Ans
c=9
Step-by-step explanation:
2 x 9 = 18 +9 = 27
Answer:
Y=2x+0.5
Step-by-step explanation:
The gradient is 2/1=2x
The y-intercept looks to be around 0.5
Answer:
p=−248.125
Step-by-step explanation:
- Subtract 100 on each side of the equation.
- After this, you will have 99.25=0.4p.
- Divide each side of the equation by 0.4 to get p by itself.
- You should get p= -248.125
Answer:
wilma is 22.5 mph
fred is 25.5 mph
Step-by-step explanation:
Time:40 minutes, or 2/3 hours
Speed:
Fred:x+3
Wilma: x
Distance:32 miles
2/3(x+x+3)=32
2/3(2x+3)=32
1 1/3x+2=32
4/3x=30
x=22.5
wilma is 22.5 mph
fred is 22.5+3= 25.5 mph