3 years ago

Please answer ill give brainliest for best answer!!

1 answer:

4 0

47 the image says both triangles are similar so all you have to do is take the two angles add them than subtract it by the total of a triangle 180 and you get your answer 47

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Solve x2 – 10x + 25 = 35 for x.

Galina-37 [17]

$x^2-10x+25=35\\\\x^2-2\cdot5\cdot x + 5^2=35\ \ \ |\text{use:}\ (a-b)^2=a^2-2ab+b^2\\\\(x-5)^2=35\to x-5=\pm\sqrt{35}\ \ \ |+5\\\\\boxed{x=5-\sqrt{35}\ \vee\ x=5+\sqrt{35}}$

$\text{other method}\\\\x^2-10x+25=35\\\\x^2-5x-5x+25=35\\\\x(x-5)-5(x-5)=35\\\\(x-5)(x-5)=35\\\\(x-5)^2=35\\.....$

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4 years ago

Need answers plz help

stiv31 [10]

You can use the factors of the volumes 24, 27 and 48:
For example:
8 by 3 by 1 is a total volume of 24
or if you know that 4 times 2 is 8:
4 by 2 by 2
and so on

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4 years ago

I) 43x + 31y = 98<br> 31x + 43y = 50

Neko [114]

There are no solutions to the given system of equations.

Hope this helps.

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3 years ago

1)12-5x-4kx=y, solve for x

sveticcg [70]

12-x(5-4k)=y
12-y=x(5-4k)
12-y/(5-4k)=x

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