Answer:
9
Step-by-step explanation:
w+13-
=16
w ·
-
+13=16
+13=16
=3
w=9
Answer:
C) r3 < r2 < r1
Step-by-step explanation:
Answer:
Solution:
the boat's speed in still water: x
The speed with current: (x+3)
The speed against current: (x-3)
The equation is
3(x+3) = 4(x-3)
x = 21 mph
The distance = 3*(21+3)= 72 miles
I choose (A)
Step-by-step explanation:
Calculate the number of hours between 4 PM and 10 AM:
4 PM to 4 AM is 12 hours.
4 AM to 10 AM is 6 hours
Total hours is 12 + 6 = 18 hours.
18 hours x 70 km/hr = 1,260 km total.
5.B
6.D
7.A
8.B
9.A
10.C hsvs whehsg