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Dmitry_Shevchenko [17]
3 years ago
5

The total surface area of a cube is 294cm^2.Work out the volume of the cube.​

Mathematics
2 answers:
djverab [1.8K]3 years ago
4 0

Answer:

343 cm ^3

Step-by-step explanation:

A cube has 6 squares of equal sizes. 294/6 = 49

The area of one square is 49

Since the area is the length squared, the square root of 49 is 7.

Volume of a cube is area times height. 49 x 7 = 343 cm^3

nadezda [96]3 years ago
3 0

Answer:

343 cm ^ 3

l hope it helps you

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(f+g)(x) = 8x+2

(f-g)(x) = 4x-6

Step-by-step explanation:

Given

f(x) =6x-2\\g(x)=2x+4

we have to find

<u>a. (f+g)(x)</u>

(f+g)(x)=f(x)+g(x)\\=(6x-2)+(2x+4)\\=6x-2+2x+4\\=6x+2x-2+4\\=8x+2

<u>b. (f-g)(x)</u>

(f-g)(x)=f(x)-g(x)\\=(6x-2)-(2x+4)\\=6x-2-2x-4\\=6x-2x-2-4\\=4x-6

Hence,

(f+g)(x) = 8x+2

(f-g)(x) = 4x-6

Keywords: Functions, Operations on Functions

Learn more about functions at:

  • brainly.com/question/4021035
  • brainly.com/question/4034547

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7 0
3 years ago
An isoceles triangle measures 30°. which other angles could be on that isoceles triangle​
hoa [83]

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Step-by-step explanation:

7 0
4 years ago
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The measures of the angles of a quadrilateral are in the
bearhunter [10]

Answer:

140

Step-by-step explanation:

Consider a square for just a second. It has 4 angles each of 90 degrees. The total number of degrees in a square is 4 * 90 = 360.

It should be at least an appeal to your intuition to say that a quadrilateral has a total of 360 degrees.

Therefore the ratio you have been given must have 4 angles that add to 360.

2x + 3x + 6x + 7x = 360

18x =360

x = 20

So the 4 angles are

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The largest angle is 140

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3 years ago
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slega [8]

Answer:

y = 1.5x

Step-by-step explanation:

We are to find the equation of the straight line

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m = 1.5

Since the line pass through the origin, the y intercept is 0

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The answer would be, it was reduced by 35%
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