Answer:
With river 12 miles per hour
Against river 9 miles per hour
wv = water velocity vsw = boat velocity in still water
vsw +wv = 12 mph
vsw -wv = 9 mph
2 * vsw = 21 mph
boat velocity in still water = 10.5
Since vsw + wv = 12 then
water velocity = 1.5 mph
Step-by-step explanation:
<span>The only difference in the equation is that you have c + 2b on the left side and 2b + c on the right side. That is a change of order. Change of order in addition is the commutative property.</span>
Answer:
7 + q/2
Step-by-step explanation:
"seven more than half of a number"?
There are two sides to the phrase
1) let the number be "q"
2) Seven (7) more: Adding seven (7 +)
3) Half of a number: dividing the number by '2'
Equation = 7 + q/2
B the answer is B
To create a survey you need a common entity linked to a unique feature
With B…he is able to create a table,draw a graph ,a pie chart and do so