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sergij07 [2.7K]
2 years ago
6

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Mathematics
1 answer:
Maurinko [17]2 years ago
7 0
Answer
82°
Explanation
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Two angles are said to be congruent if
dem82 [27]
Congruent means Same Side, Same Shape.
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3 years ago
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Use the distance formula, show that the points (4,0), (2,1), and (-1,-5) form the vertices of a right triangle
mario62 [17]

Step-by-step explanation:

The distance formula between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the coordinates of the points.

A(4,\ 0),\ B(2,\ 1),\ C(-1,\ -5)\\\\AB=\sqrt{(2-4)^2+(1-0)^2}=\sqrt{(-2)^2+1^2}=\sqrt{4+1}=\sqrt5\\\\AC=\sqrt{(-1-4)^2+(-5-0)^2}=\sqrt{(-5)^2+(-5)^2}=\sqrt{25+25}=\sqrt{50}\\\\BC=\sqrt{(-1-2)^2+(-5-1)^2}=\sqrt{(-3)^2+(-6)^2}=\sqrt{9+36}=\sqrt{45}

If a ≤ b < c are the sides of the right triangle, then

a² + b² = c²

\sqrt5

used (\sqrt{a})^2=a for a ≥ 0.

AB^2+BC^2=AC^2 therefore ΔABC is a right triangle.

6 0
3 years ago
Solve for b. ab+c=d. 1.b=a+c/d 2.b=a/(c-d) 3.b=(d-c)/a
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Step-by-step explanation:

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2 years ago
What is the slope intercept of -4 and y-intercept -1
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Answer:

Points are given corresponding to (-8,0) and (0,-11), and you want line's equation in the form y=mx+b. Understand, you already have b=-11. If you too understand ...

Step-by-step explanation:

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51 participants went on the 7th grade field trip to the national history museum.2/3 of them rode on a large bus.The rest went in
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51 ÷ 3 = 17
17 were in the van
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34 were in the bus
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