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statuscvo [17]
3 years ago
12

Find the surface area of a cube with side length 6 1/2

Mathematics
2 answers:
DaniilM [7]3 years ago
5 0
To find the surface are youd have to multiply 6 1/2 by 6, because a cube has 6 total sides. so the answer would be 6•6.5 which equals 39
Scrat [10]3 years ago
5 0
The formula of the surface area of the cube is 6s^2. “S” stands for side length, and you square it to get the area of one side of the cube. Multiply that by 6 (6 identical faces on a cube) to get the answer. So 6 x (6.5 x 6.5) equals 253.5 or 253 1/2. Don’t forget units if the problem has included them.
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3 years ago
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Vera_Pavlovna [14]

Answer:

4k^3 + k^2 - 2k + 7

Step-by-step explanation:

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3 0
3 years ago
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3^2 - 2x + 4 and g(x) = 5x^2 + 6x - 8 find f-g(x)
sveta [45]

Answer:

For the given functions f(x) and g(x) (f-g)(x) = -2x^{2}  - 8x +12

Step-by-step explanation:

Here, the given function are:

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Now, simplifying for (f-g)(x)  =  f(x) -  g(x):

f(x) - g(x)  = (3x^{2}  - 2x+ 4) - (5x^{2}  + 6x -8)

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Doing operation on LIKE TERMS,  we get

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Hence, for the given functions f(x) and g(x) (f-g)(x) = -2x^{2}  - 8x +12

4 0
3 years ago
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xxMikexx [17]

Answer:

Step-by-step explanation:

There are two consecutive positive even integers such that the square of the first is 364 more than five times a second. What are the two numbers?

Two consecutive year positive integers are represented by

x and x + 1

First integer = x

Second integer = y

There are two consecutive positive even integers such that the square of the first is 364 more than five times a second.

This is represented mathematically as:

x² = 364 + 5(x + 1)

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4 0
3 years ago
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