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3 years ago

A right isosceles triangle has an angle with measure of 45°. If x represents the measure of the

Mathematics

2 answers:

Tems11 [23]3 years ago

6 0

180
-45
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135° I think that's it

s2008m [1.1K]3 years ago

3 0

Depends on which angle is x because the 2 smaller corner angles equals 45 degrees each which the third equals 90 degrees so it depends on which angle is x

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Can you help me i dont know thw anwser

Margaret [11]

$\text{Let the side of square 1, square 2 and square 3 be x, y and z respectively.}\\\\\text{Given that,}\\\\\text{Perimeter of square 1,~~ p =100 units.}\\\\\text{So}~ x=\dfrac p 4 = \dfrac{100}4 =25~\text{units.}\\\\\\\text{Area of square 2, a = 225 units}^2\\\\\text{So}~y = \sqrt{a} = \sqrt {225} = 15~ \text{units.}\\\\\text{Use Pythagorean theorem to find z}^2\\\\x^2 =y^2 +z^2 \\\\\implies 25^2 = 15^2 +z^2\\\\\implies z^2 = 625 - 225 = 400\\\\\\$

$\text{Hence the area of square 3 is 400 units}^2.$

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3 years ago

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Sloan [31]

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Which ordered pair is the solution to the system of equations? {x+3y=-12, y= 1/3x-6?

Julli [10]

For this, I'll be using the substitution method. Since y = 1/3x - 6, replace the y variable in the first equation with 1/3x - 6 and solve for x:

$x+3(\frac{1}{3}x-6)=-12\\ x+x-18=-12\\ 2x-18=-12\\ 2x=6\\ x=3$

Now that we have the value of x, plug it into either equation to solve for y:

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<h3><u>In short, the solution to this equation is (3,-5).</u></h3>

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3 years ago

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ElenaW [278]

Answer:

y = 1/2x - 2

Step-by-step explanation:

use formula y = mx + c

m = gradient

c = y intercept

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2 years ago

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