Which situation would best be modeled by the direct variation y = kx? The amount of money you make for working x hours at k doll
ars per hour y represents the length of an object in feet, x represents the length in yards, and k = 13 The total charge for k items selling for x dollars a piece, plus $10 for shipping A candle is 12 inches long, and y represents its length after burning k hours at a constant rate of x inches per hour
2 answers:
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Answer:
52
Step-by-step explanation:
(I replaced
with
since we are to find
.)
(By the order of operations, we take care of the exponents before whatever else we have here.)
(By the order of operations, we take care of the multiplication as we see if left to right.)
(By the order of operations, we perform addition/subtraction as we see it left to right.)
(This completes the simplification.)
We could have also put this in our calculator as:
4(4)^2 - 2(4) - 4
This would have returned 52.