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Reptile [31]
2 years ago
7

Luis wants to buy a skateboard that usually sells for $79.78. All merchandise is discounted by 12%. What is the total cost of th

e skateboard if Luis has to pay a state sales tax of 7.75%. Round your intermediate calculations and answer to the nearest cent.
This is a seventh-grade math question. Please answer correctly, if you do not the whole question is wrong and I don't want that
Mathematics
1 answer:
inysia [295]2 years ago
4 0

Answer:

$75.65

Step-by-step explanation:

$79.78 is discounted 12%. 12% of 79.78 is 9.57

79.78 - 9.57 = 70.21

Tax of 7.75% = 0.0775 x 70.21 = 5.44

70.21 + 5.44 = 75.65

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Number of ways = 6!
Number of ways = 6 x 5 x 4 x 3 x 2 x 1
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Can you help me fill in the blanks?
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10 pints = 5 quarts

4   pints = 2 quarts

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The Bold numbers are the ones you need to fill in.

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3 years ago
A right circular cylinder has a height of 22 1/4 ft and a diameter 2 2/5 times its height. What is the volume of the cylinder? E
Triss [41]

Answer:

The volume of cylinder is:

49806.06 ft^3

Step-by-step explanation:

We are given a right circular cylinder with:

Height(h)=22\frac{1}{4}ft=\dfrac{89}{4}ft

and a diameter is 2\frac{2}{5} times it's height.

i.e. \dfrac{12}{5} times it height.

i.e. the diameter is given as:

\dfrac{12}{5}\times \dfrac{89}{4}=\dfrac{267}{5}ft.

We know that the radius of cylinder is half the diameter.

Hence, radius(r) of cylinder is:

\dfrac{1}{2}\times \dfrac{267}{5}\\\\=\dfrac{267}{10}

The volume(V) of cylinder is given by:

V=\pi r^2h

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Hence, the volume of cylinder is:

49806.06 ft^3

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