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kobusy [5.1K]
3 years ago
11

The top of a soup can has an area of 12.56 cm2. What is the radius of the can?

Mathematics
1 answer:
Wittaler [7]3 years ago
6 0
Try to divide the diameter by two
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Round the number 2,787 to the nearest hundred​
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Answer:

2,800

Step-by-step explanation:

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How much is a pie? thanks.
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Which of the following best describes the English expression five more than the quantity of a number minus six?
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5 + x - 6 hopes this helps
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A farmer plans to enclose two adjacent rectangular pens against a barn wall (see figure).
Licemer1 [7]

Answer: Let's assume that the pig pens need to be fenced in the way shown in the diagram above.

Then, the perimeter is given by

4

x

+

3

y

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160

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x

=

160

−

3

y

x

=

40

−

3

4

y

The area of a rectangle is given by

A

=

L

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W

, however here we have two rectangles put together, so the total area will be given by

A

=

2

×

L

×

W

.

A

=

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(

40

−

3

4

y

)

y

A

=

80

y

−

3

2

y

2

Now, let's differentiate this function, with respect to y, to find any critical points on the graph.

A

'

(

y

)

=

80

−

3

y

Setting to 0:

0

=

80

−

3

y

−

80

=

−

3

y

80

3

=

y

x

=

40

−

3

4

×

80

3

x

=

40

−

20

x

=

20

Hence, the dimensions that will give the maximum area are

20

by

26

2

3

feet.

A graphical check of the initial function shows that the vertex is at

(

26

2

3

,

1066

2

3

)

, which represents one of the dimensions that will give the maximum area and the maximum area, respectively.

Hopefully this helps!

Step-by-step explanation: hope this helps

3 0
3 years ago
Step by step solution to the polynomial equation (ײ - x + 5)(x - 3)​
denis23 [38]

Answer:

There is no equals sign in that expression so it is not actually an equation and has no solution.

If you are looking to expand the two polynomials, then you get:

(x² - x + 5)(x - 3)

= x(x² - x + 5) - 3(x² - x + 5)

= x³ - x² + 5x - 3x² + 3x - 15

= x³ - 4x² + 8x - 15

7 0
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