Answer:
20
Step-by-step explanation:
so we know x+40=3x because opposite angles are congruent so if you solve it out you get x=20
Answer: It will take the boat 0.11 hour to cross the river
From the original starting point, the boat end up 1.85 miles away from that point.
Step-by-step explanation: Please find the attached file for the solution
The northbound car has traveled a distance of 6.2 miles.
Step-by-step explanation:
Step 1:
The eastbound car has traveled a distance of 5 miles and if a straight line is drawn between the two car's positions it would measure 8 miles.
This forms a triangle which has a hypotenuse measuring 8 miles while one of the other sides measures 5 miles.
Assume the distance traveled by the northbound car is x miles.
Step 2:
According to Pythagoras' theorem,


So the northbound car has traveled a distance of 6.244 miles. Rounding this off, we get 6.2 miles.
Answer:
$96
Step-by-step explanation:
To find interest you do (principal)x(rate)x(time)