First you subtract (1/4) from each side to get C by itself, then you convert (4/4) into 1. Then you divide both sides by (-4) to get C to equal 1. So your final answer is C=-1/4
Answer:
ive never worked with cones but my best guess would be the third and fourth
Step-by-step explanation:
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</span>Start by combining like terms on both sides
-6+3=-3
Now we have:

To isolate g we need to subtract 12 from both sides -18-12= -30
Now we have

Divide both sides by -3 to isolate g, now we have:

When we divide an inequality by a negative we flip the sign so:

becomes:

Final answer:
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Sphere surface area is A=4pi*r^2. So r is sqrt(A/4pi)
r=4cm. So d=8cm