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4 years ago

An equilateral triangle with perimeter of 18

Mathematics

2 answers:

k0ka [10]4 years ago

6 0

If you want to know what the sides would be, it would be 6 bc 6 + 6 + 6 = 18 or 6(3) = 18.

Anuta_ua [19.1K]4 years ago

3 0

Since it is equilateral that means all sides are the same so divide 18 by 3.
each side is going to be 6 (inches, centi,etc)

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Answer:

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Step-by-step explanation:

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Which of the following is equivalent to the inequality shown below?

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$4x + 0.9 \geq 0.1$ is equivalent to the inequality $40x+9 \geq 1$

Step-by-step explanation:

Given inequality : $4x + 0.9 \geq 0.1$

We are supposed to find Which of the following is equivalent to the inequality

$4x + 0.9 \geq 0.1$

$\Rightarrow 4x+\frac{9}{10} \geq \frac{1}{10}$

Multiply both sides by 10

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$4x + 0.9 \geq 0.1$ is equivalent to the inequality $40x+9 \geq 1$

So, Option B is true

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4 years ago

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3 years ago

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What are the solutions of the quadratic equation4x*2 − 8x − 12 = 0 ?A) x = −1 and x = −3B) x = −1 and x = 3C) x = 1 and x = −3D)

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The solutions for the given quadratic equation are x = -1 and x = 3. So, option B is correct.

<h3>What are the solutions to an equation?</h3>

The solutions to an equation are the one that satisfies the equation and makes it true.
There are different methods to solve an equation and find its solutions.
These solutions are also called zeros or roots of the equation.

<h3>Calculation:</h3>

The given equation is 4x² - 8x - 12 = 0

Since it is a quadratic equation, it has 2 roots or solutions.

On factorizing the given equation,

4x² - 8x - 12 = 0

⇒ 4x² - 12x + 4x -12 = 0

⇒ 4x(x - 3) + 4(x - 3) = 0

⇒ (4x + 4)(x - 3) = 0

According to the zero-product rule,

4x + 4 = 0 or x - 3 = 0

So, x = -4/4 = -1 or x = 3

Therefore, the solutions of the given equation are -1 and 3.

So, option B) x = -1 and x = 3 is correct.

Learn more about solving an equation here:

brainly.com/question/25678139

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