(c/5+c)-20 You divide the total cost by five to get the tip. You add that to the cost, and the tip and cost added together is the total cost. Subract that from a $20.00 bill and you have the answer! Hope this helps!
Answer:
Step-by-step explanation:
alright lets get started.
Please refer the diagram I have attached.
the runner traveled, six kilometers east.
Next, they turn to north and suppose they run x kilometers.
The starting and the ending points distance is 10 kilometers.
There will be a right triangle formed, we can find the value of x by using Pythagorean theorem.



Subtracting 36 from both sides


So, the runners travel 8 kilometers to the north. : answer
Hope it will help. :)
M is a midpoint of BC so:

Length of MA:

Length of NB:
I’m pretty sure that your answer is the last one
Answer:
x=10
the triangle is equilateral
Step-by-step explanation:
3x+30=5x+10=2x+20
x+30=3x+10=20
x=3x-20=-20
-2x=-20=-20
x=10=10
x=10