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emmainna [20.7K]

2 years ago

7

Diego solved an equation by multiplying both sides of the equation by 6. Then he checked that 6 is the correct solution by subst

ituting it back into the original equation. Which of the following gives the properties of equality that he used and their correct order?

1 answer:

Studentka2010 [4]2 years ago

6 0

C. on e2020 . Good luck!

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The sector of a circle with a 12 inches radius has a central angle measure of 60°.

Rainbow [258]

The formula used to find the area<span> of a circlular </span>sector<span> - a pie-shaped </span>part of a circle<span>. ... </span>π<span>. 4. 2. ·. 86. 360. = 12.01. What the formulae are doing is taking the </span>area<span> of the whole ... So for example, if the</span>central angle<span> was 90°, then </span>the sector<span> would </span>have<span> an </span>area<span> equal to one ... r is the </span>radius<span> of the </span>circle<span>of which </span>the sector<span> is </span>part<span>.</span>

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What is the exact value of tan (StartFraction 5 pi Over 8 EndFraction)

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Answer:

(d) -√((2+√2)/(2-√2))

Step-by-step explanation:

5π/8 is a 2nd-quadrant angle whose reference angle is greater than π/4. This means the tangent is negative with a magnitude greater than 1. The only reasonable choice is ...

$\displaystyle -\sqrt{\frac{2+\sqrt{2}}{2-\sqrt{2}}}$

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<em>Additional comment</em>

This simplifies to -(1+√2). Your calculator can verify the choice for you.

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Twelve boxes of pencils cost $16. Which equation could you use to find the cost per box

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Hello!

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❖ You can use the equation 16 ÷ 12 = 1.33

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