So the answer is, x1=-2, x2=9
x^2-7x=18
x^2-7x-18=0
x^2+2x-9x-18=0
x*(x+2)-9(x+2)=0
(x+2)*(x-9)=o
x+2=0
x-9=0
X=-2
X=9
I hope u understand!
Answer:
B. 0.65
Step-by-step explanation:
Sample proportion is the point estimate of the population proportion which is at the centre of the interval
(0.62+0.68)/2
1.30/2
0.65
No because when you add any 2 sides the answer has to be bigger than the 3rd side
ex: 2+7=9
9 is too small, so the tips of the side that is 2ft would not touch the side that is 7ft
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It helps you know what to multiply and the product when you subtracting and adding fractions.
