Answer:
f= 171/11
Step-by-step explanation:
Multiply both sides by 99
19/11*9=f
Simplify 19/11*9 to 171/11
Switch sides
F= 171/11
Simplest method: elimination.
Subtract the first equation from the second one.
(2a+b=-33)-(a+b=-10) gets you to a=-23.
Now plug that in for a and solve.
-23 +b=-10
b=13
That is false, miss. It IS the radius.
Answer:
C is 27 and d is 16
Step-by-step explanation:
count how many cubes are on the first level and multiple but how many it goes up too