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3 years ago

Game Stop is selling a video game for 15% off $35 . What is the sale price ?

Mathematics

2 answers:

Murrr4er [49]3 years ago

4 0

Answer: $29.75

Explanation: 1-0.15 = 0.85,
35(0.85) = 29.75

stira [4]3 years ago

3 0

Answer:

29.75

Step-by-step explanation:

5% of 35 is 1.75 so 1.75 times 3 equals 5.25, 35 - 5.25 = 29.75

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3 years ago

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2 years ago

B) The number of volume of a cylinder is half of its number of the total surface area.

faust18 [17]

Answer:

$V=179.6cm^3$

Step-by-step explanation:

the volume of a cylinder is given by:

$V=\pi r^2h$

where r is the radius and h is the height.

and the surface area:

$SA=2\pi r^2+2\pi rh$

the first term is the area of the circles and the second term is the area of the body.

since "The number of volume of a cylinder is half of its number of the total surface area." we will have that:

$V=\frac{1}{2}SA$

substitutig the equivalent expressions on each side:

$\pi r^2 h = \frac{1}{2} (2\pi r^2+2\pi r h)$

and we simplify and solve for the height (since is the value we don't know of the cylinder):

$\pi r^2 h = \pi r^2+\pi r h\\\pi r^2h-\pi rh=\pi r^2\\h(\pi r^2-\pi r)=\pi r^2\\h=\pi r^2/(\pi r^2-\pi r)$

we substitute the value of the radius $r=7cm$ , and we get:

$h=\pi (7cm)^2/(\pi (7cm)^2-\pi (7cm))\\h=153.938/(153.938-21.991)\\h=153.938/131.947\\h=1.1666cm$

thus the volume is:

$V=\pi r^2h$

$V=\pi (7cm)^2(1.1666cm)\\V=179.6cm^3$

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2 years ago

Read 2 more answers

I am thinking of a number.... When I take HALF of my number subtract by 6 I get 5. What is my number?

Crank

answer- 1

step by step explanation-

6-1 =5

two Ka half one

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2 years ago

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san4es73 [151]

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2 years ago