Solution :
Volume of ball = Volume of outer ball - Volume of inner ball
Now, density of iron is, d = 7300 kg/m³.
So, mass of iron ball is :
Hence, this is the required solution.
Answer: X=5
Step-by-step explanation: If PQ equals 30 then PM will equal half of PQ. Which means that PM will equal 15, which means x= 5 because 3 times 5 equals fifteen.
Answer:
ok
Step-by-step explanation:
The numbers are x and y
x>y
x=5+2y
x-y=13
so
sub 5+2y for x
5+2y-y=13
5+y=13
y=8
sub back
x-y=13
x-8=13
21=x
the numbres are 21 and 8
Answer:
Ping is incorrect because each term in pattern b is 3 times the corresponding term in pattern a
