4 years ago

Write a cosine function for the graph

Mathematics

1 answer:

Whitepunk [10]4 years ago

5 0

the answer is c,

$y = 2 \cos(4x)$

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How long does it take $450 to double at simple interest rate of 14%

umka2103 [35]

A = P(1+rt)
A (Future) = 450(2) = 900
P (Principal) = 450
R (Rate) = 14% = .14
T (Time) = Unknown

Create the equation:
900=450(1+.14t)

Distribute the 450:
900=450 + 450(.14t)

Multiply the 450(.14t)
900=450 + 63t

Subtract the 450:
450 = 63t

Divide by 63:
t=7.142857

Answer:
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