4 years ago

What’s the distributive property of x(x+3)?

Mathematics

1 answer:

Alik [6]4 years ago

8 0

Answer:

X^2+3x

Step-by-step explanation:

X times x equals x^2

X times 3 equals 3x

separated by an addition sign so x^2+3x is the answer

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In ∆XYZ, m∠X = 152, y = 15, and z = 19. Find side x and the measure of angle Y to the nearest tenth

solong [7]

The measure of the side $x$ is approximately 33 and the measure of angle $Y$ is approximately 12.321°.

<h3>How to find a missing angle in a triangle by law of sine and law of cosine</h3>

In this problem we must apply the law of cosine and the law of sine to determine the angle Y:

<h3>Law of cosine</h3>

$x = \sqrt{y^{2}+z^{2}-2\cdot y\cdot z\cdot \cos X}$

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$Y = \sin^{-1}\left(\frac{y}{x}\cdot \sin X \right)$

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$Y \approx 12.321^{\circ}$

The measure of the side $x$ is approximately 33 and the measure of angle $Y$ is approximately 12.321°. $\blacksquare$

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What is the distance of 1.5 to -2 on a number line and how can you show it

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