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:
9 12/23
Step-by-step explanation:
14 - (11 + 5) * 3 + 2
Solve inside the parentheses first (11 + 5).
14 - (16) * 3 + 2
Solve multiplication next (16 * 3).
14 - 48 + 2
Solve from left to right.
-34 + 2 = -32
Your answer is -32.
Answer:
2d
——
cd
Step-by-step explanation:
c - d
Simplify —————
cd
1
Simplify —
d
Equation at the end of step 2 :
1 1 (c - d)
(— + —) - ———————
c d cd
Step 3 :
1
Simplify —
c
Equation at the end of step 3 :
1 1 (c - d)
(— + —) - ———————
c d cd
Answer:
B
Step-by-step explanation:
