You cannot add row 2 to column 3 because they have different dimensions. You can do any of the other operations, but the only one that makes any sort of sense is ...
Multiply row 2 by -1 and add it to row 3
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It makes no sense to multiply a row by zero. That makes the entire row zero and makes the matrix useless for finding any sort of solution.
You can switch columns, but that doesn't get you any closer to a solution here.
If I were trying to find a solution, I might
switch rows 1 and 2
multiply the new row 1 by -3 and add it to the new row 2
multiply the new row 1 by 2 and add it to row 3
This sequence of operations will make the first column [1 0 0], reducing the problem to 2×2 from 3×3.
Answer:
27/35.
I can break it down for you to understand if u want.
Step-by-step explanation:
Answer:
62 degrees, or A, is the answer
Step-by-step explanation:
combine expressions : 3x - 42 = 180
Then : 3x = 222
x = 74
74 - 12 = 62
Hello!
The height is twice the diameter
The diameter is twice the radius
diameter = 3 * 2 = 6
Height = 6 * 2 = 12
The height is 12
The equation for the volume of a cone is

V is volume
r is radius
h is height
Put in the values we know

Simplify the equation

Multiply

The answer is

Hope this helps!