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maria [59]
3 years ago
8

How do you find the amplitude of a sine or cosine wave

Mathematics
1 answer:
avanturin [10]3 years ago
7 0
Let's start with the basic sine function<span>, f(t) = </span>sin<span>(t). This </span>function<span> has an amplitude of 1 because the graph goes one unit up and one unit down from the midline of the graph. This </span>function<span> has a </span>period<span> of 2π because the </span>sine<span> wave repeats every 2π units</span>
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3 years ago
Leona purchased a $1,000 bond having a quoted price of 99.875. She had to pay a 5.5% brokerage fee (of the selling price). What
Ede4ka [16]

Answer:

None of these choices are correct.

Step-by-step explanation:

The quoted value of 99.875, means that this bond is sold at 99.875%  of the face value and not at a price of  $99.875.

Therefore, calculate price;

Price = 0.99875 * 1000

Price = $998.75

Since brokerage fees is 5.5% of the selling price, Leona will pay additional cost to the quoted price making the total cost to be more than $998.75;

Brokerage fees = (0.055*998.75) = $54.93

Total cost = $998.75 +$54.93

= $1053.68

Therefore, none of the choices is correct.

3 0
3 years ago
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schepotkina [342]

Answer:

35 is the 'is' and 40 is the 'of'

Step-by-step explanation:

is/of = %/100

35/40 = x/100

cross-multiply to get:

40x = 3500

x = 3500/40

x = 87.5

4 0
3 years ago
Which point is located at -0.135? <br> A<br> B <br> C or <br> D
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D as you can see on the number line d is 1/3 of the way to -2
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Tom swims a 1/2 kilometers every 1/4 hour. How far will he swim in one hour.​
fgiga [73]

Answer:

2 kilometers

Step-by-step explanation:

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2 years ago
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