the function c(x) 3x-4 determines how many cupcakes need to be purchased for a birthday party, where x is the number of kids at
the party. the party planner uses d(c(x)) to find the amount of money to bing for the cupcakes purchase. the function d(x)=2x+5. solve for how much money to bring when there are 7 kids at the party.
1 answer:
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Answer:
SA= 28 in^2
V= 14 in^3
Step-by-step explanation:
circumference= 2πr
9.4 = 2πr
r = 1.496
surface area of a ball =
=
=28 in^2
volume of a ball=
=
=14 in^3