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3 years ago

List the sides and angles of △ABC in order from smallest to largest.

Mathematics

2 answers:

Rudik [331]3 years ago

8 0

Answer:

See below

Step-by-step explanation:

Find angle A by subtracting the others from 180

180 - 81 - 17 = 82

Put in order from least to greatest

Angles: B, C, A

Then the opposite sides will follow the same pattern, so they are

Sides: AC, AB, BC

Veseljchak [2.6K]3 years ago

5 0

Answer:

Step-by-step explanation:

So we'll do angles , all angles of a triangle add up to 180 degrees, so 81+17=98 and 180-98=82 so the angles in order from least to greatest are B A C

Then we have the length CA is the shortest then the AB then BC

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Artemon [7]

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3 years ago

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irga5000 [103]

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faust18 [17]

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4 years ago

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x? x = StartFraction negative 3 plus-or-

Brrunno [24]

Answer: FIRST OPTION

Step-by-step explanation:

<h3> The missing picture is attached.</h3>

By definition, given a Quadratic equation in the form:

$ax^2+bx+c=0$

Where "a", "b" and "c" are numerical coefficients and "x" is the unknown variable, you caN use the Quadratic Formula to solve it.

The Quadratic Formula is the following:

$x=\frac{-b \±\sqrt{b^2-4ac} }{2a}$

In this case, the exercise gives you this Quadratic equation:

$5x^2 + 3x - 4 = 0$

You can identify that the numerical coefficients are:

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Therefore, you can substitute values into the Quadratic formula shown above:

$x=\frac{-b \±\sqrt{b^2-4ac} }{2a}\\\\x=\frac{-3 \±\sqrt{(3)^2-4(5)(-4)} }{2(5)}$

You can identify that the equation that shows the Quadratic formula used correctly to solve the Quadratic equation given in the exercise for "x", is the one shown in the First option.

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Answer:

Step-by-step explanation:

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