Answer:
D. 80 mph
Step-by-step explanation:
d- distance
- d/50= 0.6d/40+0.4d/x
- 1/50= 0.3/20+0.4/x
- 0.4/x= 0.02- 0.015
- x= 0.4/0.005
- x= 80 mph
Answer: 56
Step-by-step explanation: I got this answer by taking each rectangles legth and width and multiplying those, then I added all of the final answers together to get 56
Answer:
x² + xy - 6y²
Step-by-step explanation:
FOIL
(x+3y)(x-2y)
F= x²
O= -2xy
I= 3xy
L= -6y²
Add these together = x² + xy - 6y²
Answer:2.625 also 2 5/8
Step-by-step explanation:
