Ava makes bead necklaces. She has a total of 6,048 beads. Each necklace has 24 beads. Her friend Maria says that’s the greatest
number of necklaces she can make with the beads is 162. Maria’s work is shown here.
Explain why Maria’s answer is incorrect and how she can find the correct answer.
Explain why Maria’s answer is incorrect and how she can find the correct answer.
1 answer:
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Answer:
<u>Frequency = 1/period = </u>
Step-by-step explanation:
The frequency of the sinusoidal function = 1/period
Frequency is how many the function repeats itself per unit if time i.e: per "1"
For the given graph :
, Where: B = 2π/period
period = 2π/B , B = 1/4 = 0.25
∴ Period = 2π/0.25 = 8π
∴ Frequency = 1/period =
In terms of its radius , the volume of the balloon is
The diameter is twice the radius, so that in terms of its diameters, the balloon's volume is given by
Differentiate both sides with respect to time :
The diameter increases at a rate of . When the diameter is
, we have
or about 23,562 cc/min (where cc = cubic centimeters)