Answer:
-33/28
Step-by-step explanation:
-12/28 + -21/28
= -33/28
you can't simplify it so its -33/28
Answer:
5hours
Step-by-step explanation:
At constant speed, distance speed= distance/time taken
therefore, time will be obtained by the division of distance traveled by the speed.
in this question the distance is provided but time is not hence time is calculated as follows. time= distance/time taken
=275miles/55miles/hour
= 5hours
Answer:
(4,0)
Step-by-step explanation:
Answer:
4pi + 8 km
Step-by-step explanation:
the circumference of teh circle is d*pi = 8pi. since this is a semicircle the circumference is 4pi. then the perimeter is 4pi + 8
Answer:
The geometric mean of 2 and 8 comes out to equal 4.
Step-by-step explanation: