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Temka [501]
3 years ago
6

This soda can is going to be made from aluminum. How many square centimeters of aluminum are needed if the

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0

170.35 cm² are needed to make the can of soda (not in the choices)

Step-by-step explanation:

The surface area of a cylinder = 2πrh + πr², where

  • r is the radius of its base
  • h its height
  • π is about 3.14

∵ The soda can is made from aluminum

∵ The can is shaped a cylinder with radius 3.5 cm

∴ r = 3.5

∵ Its height is 6 cm

∴ h = 6 cm

- The aluminium that needed to make the can is the surface area

   of the can

∵ The surface area of the can = 2πrh + πr²

- Substitute r by 3.5, h by 6 and π by 3.14

∴ The surface area of the can = 2(3.14)(3.5)(6) + (3.14)(3.5)²

∴ The surface area of the can = 131.88 + 38.465

∴ The surface area of the can = 170.345 cm²

- Round it to the hundredths' place

∴ The aluminium are needed = 170.35 cm²

170.35 cm² are needed to make the can of soda

Learn more:

You can learn more about the surface area in brainly.com/question/12041380

#LearnwithBrainly

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SIZIF [17.4K]

Answer:

1) 2b + 6

2) 8w - 12

3) 2b + 6 + 6x + 20

4) 9w^2 + 27 + 8 - 27

5) Sorry.

Step-by-step explanation:

8 0
3 years ago
A straight road crosses two parallel railway tracks. The angle between the road and the
Mumz [18]
<h3>Answer:  95 degrees</h3>

=======================================================

Explanation:

I recommend drawing it out to see what's going on. See the drawing below.

In the diagram, both angles are in the northeast corner of their four-corner configurations. They are both congruent corresponding angles. So that's why the second angle is also 95 degrees.

Side note: we could replace "northeast" with any of the other directions on the compass (such as southwest). All that matters is that they are in the same configuration.

7 0
3 years ago
Write an equation in point slope form of the line that passes through the given point and the given slope m
victus00 [196]

Answer:

The answer is

\huge y - 8 =  4(x + 9) \\

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

From the question we have the final answer as

y - 8 =   4(x + 9)

Hope this helps you

3 0
3 years ago
Use the table to find the slope
Masteriza [31]
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8 0
3 years ago
a local businesses bought a square ploy of land. the sides of the lot measure 32 feet on each side. he decides to split the lot
san4es73 [151]

Answer:

Approximate length of the diagonal fencing needed   is  45.25 cm.

Step-by-step explanation:

Here, each side of the square shaped land = 32 ft

Now, the diagonal fencing is made in side the plot so that the land is divided into two right triangles.

<u>In the triangle:</u>

Base side of the triangle  = 32 cm

Perpendicular length of the triangle = 32 cm

Let us assume the hypotenuse of the triangle = k cm

⇒The length of the diagonal in the square = k cm

by <u>PYTHAGORAS THEOREM</u> in a right angled triangle:

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⇒(32)^2 + (32)^2  =k^2\\or, k^2  = 1024 + 1024 =  2048\\\implies k = \sqrt{2048}  = 45.25

or, k = 45.25 cm

Hence,the approximate length of the diagonal fencing needed  to fence the square land is  45.25 cm.

6 0
3 years ago
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