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kolezko [41]
3 years ago
9

Give two sets of potential side lengths for a triangle. For example, you could give the side lengths 3, 4, and 5. One set of sid

e lengths should be able to be used to form a right triangle and the other set of side lengths should not be able to be used to form a right triangle. Do not state which set of side lengths forms a right triangle and which doesn’t.
Mathematics
1 answer:
Norma-Jean [14]3 years ago
5 0
4,5,6
7, 17, 33

You can use the pythagorean theorem to determine whether or not a trianlgle is a right triangle. The formula for pythagorean theorem is:

a^2 + b^2 = c^2
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4x−y=10 Choose the solutions to the equation
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Answer:

Step-by-step explanation:

Answers: (3,2) ; (5,10) ; (1,-6)

Hope this helps :)

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Mr. Taylor raised all his students’ scores on a recent test by five
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Question 17
RoseWind [281]

Answer:

Perpendicular

Step-by-step explanation:

Remember that:

  • Two lines are parallel if their slopes are the same.
  • Two lines are perpendicular is their slopes are negative reciprocals.
  • And two lines are neither (a.k.a intersecting) if they are neither parallel nor perpendicular.

So, let's find the slope of QR and ST.

QR)

We can use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Let Q(-6, 11) be (x₁, y₁) and R(2, -1) be (x₂, y₂). Substitute:

m=\frac{-1-11}{2-(-6)}

Subtract:

m=-12/8=-3/2

So, the slope of QR is -3/2.

ST)

Let S(-4, 8) be (x₁, y₁) and T(-1, 10) be (x₂, y₂). Substitute:

m=\frac{10-8}{-1-(-4)}

Subtract:

m=2/3

So, the slope of ST is 2/3.

The negative reciprocal of -3/2 is 2/3.

And the negative reciprocal of 2/3 is -3/2.

So, the slopes are indeed negative reciprocals of each other.

So, QR and ST are perpendicular.

7 0
3 years ago
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The sides of a triangle are in the ratio, 4:5:7 and its perimeter is 64cm. find its area , correct to 2 decimal places
KATRIN_1 [288]

Answer:

Step-by-step explanation:

First find all the sides of the triangle:

Total parts: 4+5+7 =  16

cm per part = 64/16 = 32/8  =4cm

therefore, all measures: 16cm, 20cm, 28cm.

5 0
4 years ago
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Anika [276]

Answer:

x = -2-y

Step-by-step explanation:

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3 years ago
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