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3 years ago

13

Just a follow up to my previous question "There is a 20% off sale going on at your local electronic store. The price of an mp3 p

layer is 35.96$. What is the new price?" The answer is 44.95$. So how would you complete the question?

1 answer:

Vikki [24]3 years ago

4 0

The new price of the mp3 player is $44.95.

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I needs hheeellllppppp

Step2247 [10]

Answer:

It's C.7

Step-by-step explanation:

Use the foil method

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3 years ago

The figure shows a cylinder of diameter 12cm and height = 15cm. A hole in the shape of cone is bored into one of its end. If the

Lisa [10]

Answer:

$\bold{495\pi} \approx \bold{1555.088 cm^3}$

Step-by-step explanation:

There was no figure but the question is clear

Volume of a cylinder is given by the formula $\bold{\pi r^2h}\\$

where r is radius of base of cylinder, h is the height

Volume of a cone is given by $\bold{\frac{1}{3} \pi r^2 h}$

where r is the radius of base of cone, h is the height

The radius of the cylinder = $\frac{1}{2}$ (diameter) = $\frac{1}{2}$ (12) = 6cm

Height of cylinder = 15cm

Volume of cylinder $V_{cyl} = \pi (6)^2 15 = \pi (36)15 = \bold{540\pi}$

Radius of cone = $\frac{1}{2}$ (radius of cylinder) = $\frac{1}{2}$ (6) = 3 cm

Height of cone same as height of cylinder = 15cm

Volume of cone, $V_{cone} = \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (3)^2 15 = \frac{1}{3}(9)15\pi = \bold{45\pi}\\$

Difference is the volume of the remaining solid

$V_{cyl} - V_{cone} = 540\pi - 45\pi = \bold{495\pi} \approx \bold{1555.088 cm^3}$

5 0

1 year ago

2(2t+4)=3/4(24−8t) please help

Tcecarenko [31]

Step-by-step explanation:

the process is shown above hope you understand.

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3 years ago

Susan's pizzeria made 7 pepperoni and 20 pizzas without pepperoni. What is the ratio of numbers of pizzas with pepperoni to the

Lunna [17]

Answer:

7/27 pizza's were pepperoni and 20/27 pizzas did not have pepperoni

Step-by-step explanation:

3 0

3 years ago

Me dicen la sifra 5p-14=8p+19

Alex

5p-14=8p+19
8p-5p = -3p
-3p-14=18
14+18 = 33
33/-3=-11

7 0

3 years ago