What is the surface area? 5 mm 5 mm 5 mm square millimeter

Mathematics

1 answer:

Zina [86]3 years ago

6 0

15mm squared. Simply add the sums of all faces on shape.

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Write 256 as a product of prime factors

Kipish [7]

256 -> 4 -> 2 & 2
-> 64 -> 8 & 8
8 -> 4 & 2
4 -> 2 & 2
8 -> 4 & 2
4 -> 2 & 2
(I hope this format makes sense) So you are left with 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 or $2^{8}$ . I hope this helps!

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3 years ago

Solve.<br><br><br><br> –29.7 + (–11.6) =

kodGreya [7K]

-29.7 + (-11.6) =

First, simplify your brackets. / Your problem should look like: $-29.7 - 11.6$
Second, subtract. / Your problem should look like: $-41.3$

Answer: -41.3

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3 years ago

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Given the following system, what variable will eliminate?

vivado [14]

I think the answer is Neither x nor y will eliminate because, by looking at the two equations we can add them and y will be elminated and we will have x-value but we can substitute the x value into one of the equation and obtain y value again.Hope this will help.Sorry If I was wrong .

7 0

3 years ago

Dante is solving the system of equations below.

max2010maxim [7]

Answer: The answer is the first matrix. Image attached.

Step-by-step explanation: Given that Dante is solving the system of equations:

$r+s-t=-4,\\2r-3s+t=1,\\3r-2s+2t=3.$

In solving the above system of equations, Dante writes the row echelon form of the matrix. We are to select the correct row echelon of the matrix that he wrote.

We know that a matrix is said to be in row echelon form if the leading entry in each nonzero row is a 1 and each column containing a leading 1 has zeros everywhere else.

In the given options, these conditions are satisfied by the first option only. And also, if we write the solution from this matrix, we will have

r = -1, s = 0 and t = 3.

If we substitute these values in the given system, it will get satisfied.

Thus, the first matrix, attached herewith, is the correct matrix.