Answer:
HERE IS YOUR ANSWER IN PICTURE.
Answer:

Step-by-step explanation:
Density is defined as mass of an object divided by its volume.
#We calculate the volume of the cylinder:

Given the mass= 15.3kg and volume as above, we calculate density as:

Hence, the solid's density is 
Answer:
(-4, -1/2)
Step-by-step explanation:
The endpoints of AB are (-5,-4) and (-3,3)
To find the midpoints add the endpoints and divide by 2
(-5+-3)/2, (-4+3)/2
-8/2, -1/2
-4, -1/2
Answer:
try 10 km/h as the base speed
Step-by-step explanation:
Set the number as x
x/5=1.21
Multiply by 5 on each side to cancel the 5 in the denominator.
x=6.05
Check your answer:
6.05/5=1.21
1.21=1.21