You are looking at right angles in the problem. Right angles are 90 degrees.
So set up the problem to solve for X using:
90=4x+12
90-12=4x
78=4x
39/2 or 19.5 = x
Equation 1 : x + y + z = 3.25
equation 2 : 12x + 2y + z = 9.50
equation 3 : 2x + 4y + 5z = ??
u would multiply equation 1 by -12.....take that result and add it to equation 2....this eliminates x.
u would multiply equation 3 by -6...take that result and add it to equation 2....this eliminates x
The factored expression of the polynomial expression given as: x^2 - 3x - 18 is (x + 3)(x - 6)
<h3>How to match the
polynomial?</h3>
The polynomial expression is given as:
x^2 - 3x - 18
Express -3x as 3x - 6x
So, we have:
x^2 + 3x - 6x - 18
Factorize the polynomial expression
x(x + 3) - 6(x + 3)
Factor out x + 3
(x + 3)(x - 6)
Hence, the factored expression of the polynomial expression given as: x^2 - 3x - 18 is (x + 3)(x - 6)
Read more about expressions at:
brainly.com/question/723406
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So add all the numbers together (20 + 22 + 28 + 35 + 47 + 90) and you'll get 242. Then you take the number and divide it by the numbers in your set (you have 6 numbers so you'll divide by 6) 242/6. The answer would be 40.3333333 (repeating decimal). I hope this helps!
Answer:
K(-4 , 8)
Step-by-step explanation:
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