Darleen just started teaching elementary school. She earns a gross monthly income of $2200. How much is deducted this month for
1 answer:
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Answer:
5.5 minutes
Step-by-step explanation:
Fill in the given information and solve for t.
75 = -15cos(2πt/15) +65
-10/15 = cos(2πt/15)
t = 15/(2π)arccos(-2/3) ≈ 5.492
The volume reaches 75 dB about 5.5 minutes after the truck arrives.
First set up the equation based on the description.
x + 16 = 3x
Use subtraction to get the "x"s on one side of the equation. You can next subtract <span> x from both sides.
16 = </span>
<span> x
Now you can multiply both sides of the equation by </span>
<span> to solve for x
x = 6</span>
Use subtraction to get the "x"s on one side of the equation. You can next subtract <span>
16 = </span>
Now you can multiply both sides of the equation by </span>
x = 6</span>