Answer:
radius of the hemisphere = 9 cm approx
Step-by-step explanation:
Volume of hemisphere =
1527.4 =
=
=
= 729
r =
r = 9 cm approx.
Mary drove from her home to the library. After she left the library, she drove to the park. After that, she drove home. The map
1 answer:
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Answer:
B.
Step-by-step explanation:
Here the best method to solve is by substituting the end values of the set in each option , otherwise it will a time consuming problem.
Now substitute x=-4 in all the options
A.
16+8-8=16>0
so out of option A and C option C is correct.
B.
16-8-8=0 which means for the values of x>-4 is less than 0
Now substitute x=2 in all the options
A.
4-4-8=-8<0 . so option A and C both are incorrect.
B.
4+4-8=0 which means for the values of x<2 is less than 0
Therefore the correct option is B