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Leokris [45]
3 years ago
10

10m2m2m3 m1m8mFind The Perimeter​

Mathematics
1 answer:
alina1380 [7]3 years ago
8 0

Answer:

26m

Step-by-step explanation:

To find the perimeter of a figure, you have to add up all the sides. 10 + 2 + 2 + 3 + 1 + 8= 26, therefore the perimeter of the figure is 26 m.

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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.
barxatty [35]

Answer:

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Explanation:

we have been given with the quadratic equation x^2-8x-9

we compare the given quadratic equation with general quadratic equation

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from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant D=b^{2}-4ac

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Now, to find the value of x

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Now, substituting the values we will get

x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1

And rewritting the given equation by  shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

x^2+bx=c

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kompoz [17]
This is system of Equations. 
<span>2x + 3y =10
x + y = 3 
</span>
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