Answer:
138 meters
Step-by-step explanation:
step 1
Find the radius of the circular city plaza
The area is equal to
we have
substitute
solve for r
step 2
we know that
To find out how long is the row of bricks, determine the circumference of the circular city plaza
The circumference is equal to
we have
substitute
Answer: Number 1
Step-by-step explanation:
Answer: 110 1/3
Step-by-step explanation: I just used a calculator so I don't have a step by step explanation
Think of it like this: imagine a frog on some lily pads and if it hops left it gets smaller(negative) and if it hops right it gets bigger(positive) ,(but think of it like numbers) so -14-5 think about the -14 being way down at the left and then you add on the (-5) since the number you are adding is negative it is getting smaller (going farther away from the zero, not closer) so when you add a negative to a negative number you get smaller instead of bigger. Hope that helps
45 min is 3/4 of an hour, 3/4 0f 40 km/h=30 km
75km/h x 2hr=150km
=180km
Total time:3hr
180kh/3hr=60km/h
sorry if im wrong
