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Amiraneli [1.4K]

3 years ago

9

I have nooooooooo idea what this means! Help plzzz

1 answer:

kkurt [141]3 years ago

5 0

Volume of cylinder = (pi)r^2 • h

So with the numbers, it’s:

V = (3.14)12.5^2 • 30

V = (3.14)156.25 • 30

V = 490.625 • 30

V is about 14,718.75

Since I rounded, the answer for your problem is “about 17,671 cubic feet.”

Hope this helped!

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What is the value of x -3(-x)-6=-3x+10

Romashka [77]

-3(-x)-6=-3x+10
-3 -3
(-x)-6=-3x+7
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3 years ago

PLEASE HELP I HAVE 10 MINUTES LEFT

Lena [83]

Answer:

Manufacturers has to produce 63 DVD/Blu-Ray players to achieve a minimum cost of $644

Step-by-step explanation:

The cost equation is given as:

$C=0.04x^2-5x+800$

This is a quadratic equation in general form, which is:

$y=ax^2+bx+c$

Matching, we can say:

a = 0.04

b = -5

c = 800

The minimum occurs at $x=-\frac{b}{2a}$

and the minimum value would be to place that "x" value into the equation.

First, we find the minimum using values of a and b:

$x=-\frac{b}{2a}=-\frac{-5}{2(0.04)}=\frac{5}{0.08}=62.5$

Plugging this into original, we get:

$C=0.04x^2-5x+800\\C=0.04(62.5)^2-5(62.5)+800\\C=643.75$

Rounding off to nearest whole number, we can say:

Manufacturers has to produce 63 DVD/Blu-Ray players to achieve a minimum cost of $644

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3 years ago

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Kay [80]

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2 years ago

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A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of

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2 years ago

Point J has coordinates (–3, 4) in the coordinate plane. Point K has coordinates (3, 4). Both points will be reflected across th

kumpel [21]

The location of the image of points <em>J </em>and <em>K </em>following a reflection across the x-axis are;

J'(-3, -4), and K'(3, -4)

<h3>Which method can be used to find the image of a point following a reflection?</h3>

Coordinates of point are;

J(-3, 4), K(3, 4)

The given transformation is; A reflection across the x-axis

The representation of a reflection across the x-axis is presented as follows;

(x, y) → (x, -y)

The image of <em>J </em>and <em>K </em>following a transformation across the x-axis are therefore;

J(-3, 4) → J'(-3, -4)

K(3, 4) → K'(3, -4)

Learn more about reflection transformation on the coordinate plane here:

brainly.com/question/8242111

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8 0

1 year ago