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3 years ago

14

Do you want to buy a pair of skates that originally cost $135. The sales tax is 5.5% and it will be applied to the sale price. W

hat is the total cost?

1 answer:

slavikrds [6]3 years ago

8 0

Answer:

5.5 plus 135 is 19.0

Step-by-step explanation:

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Ed decided to build a storage box. At first, he was planning to build a cubical box with edges of length n inches. To increase t

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Answer:

The new volume is 3n^2+2n inches greater.

Step-by-step explanation:

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Original volume = n^3

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New Volume = (n+1)(n+2)(n)= n^3+3n^2+2n

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2 years ago

Read 2 more answers

My Notes The displacement from equilibrium of an oscillating weight suspended by a spring is given by y(t) = 1 4 cos(5t) where y

ikadub [295]

Answer:

y(0) = 0.25 feet

$y(\frac{1}{4}) = 0.0789 \text{ feet}$

$y(\frac{1}{2}) =-0.2003 \text{ feet}$

Step-by-step explanation:

We are given the following information in the question:

The displacement from equilibrium of an oscillating weight suspended by a spring =

$y(t) = \displaystyle\frac{1}{4} \cos(5t)$

where y is the displacement in feet and t is the time in seconds.

Here, cos is in radians.

1) t = 0

$y(0) = \displaystyle\frac{1}{4} \cos(5(0)) = \frac{1}{4} \cos(0) = \frac{1}{4}(1) = \frac{1}{4}$

y(0) = 0.25 feet

2) t = $\frac{1}{4}$

$y(\displaystyle\frac{1}{4}) = \displaystyle\frac{1}{4} \cos(5(\frac{1}{4})) = \frac{1}{4} \cos(1.25) = \frac{1}{4}(0.31532236) =0.07883059$

$y(\frac{1}{4}) = 0.0789 \text{ feet}$

3) t = $\frac{1}{2}$

$y(\displaystyle\frac{1}{2}) = \displaystyle\frac{1}{4} \cos(5(\frac{1}{2})) = \frac{1}{4} \cos(2.5) = \frac{1}{4}(-0.80114362) = -0.200285905$

$y(\frac{1}{2}) =-0.2003 \text{ feet}$

The negative sign indicates the opposite direction of displacement.

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3 years ago

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A basket ball player made 23 out of 50 free throws in the last game. What percent of the free throws did he make?

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