Answer: a11 = 3, a12 = 7, a21 = 1, a22 = -4
<u>Explanation:</u>
3x + 7y = 20
x - 4y = 9
A =
<u>column 1 </u> <u>column 2</u>
row 1: (a11) 3 (a12) 7
row 2: (a21) 1 (a22) -4
What is the answer to 8 - 3 14/15.show work
1 answer:
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Answer:
37.7 m
Step-by-step explanation:
Use this formula:
A=2πrh+2π
It MUST be a right triangle for this formula to work, please comment if it is not a RIGHT triangle
a and b being the lengths of the legs of the triangle (the 2 sides that are not the hypotenuse) and c being the hypotenuse's length.
a and b being the lengths of the legs of the triangle (the 2 sides that are not the hypotenuse) and c being the hypotenuse's length.