3 years ago

Use the Distributive Property to write each expression as an equivalent expression. Then evaluate it.

1 answer:

5 0

Distributive property means that you must multiply the number directly outside the parentheses to all the numbers inside the parentheses

Look at the image below for the work!

Hope this helped!

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What does sin^2 x - cos^2 x equal

Stels [109]

Answer:

-cos(2x)

Step-by-step explanation:

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2 years ago

A sporting goods store manager was selling a ski set for a certain price. The manager offered the markdowns shown on the right,

Vika [28.1K]

Answer:

The original selling price is $520.632

Explanation:

Consider the initial selling price be $x

After marking down 10%,

Final Selling price = Selling price(1-10%)

Selling price = x – 10% of x = x – 0.1x = 0.9x

After marking 30%

Final Selling price = Selling price(1-10%)

Selling price = 0.9x – 0.3*0.9x = 0.9x – 0.27x = 0.63x

According to the question,

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$x = \frac{328}{0.63} = 520.635$

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3 years ago

Find negative square root of 49. (4 points)

diamong [38]

Answer:

I got negative 7 if that helps.

Step-by-step explanation:

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3 years ago

Express the radical using the imaginary unit, iii. Express your answer in simplified form. \pm\sqrt{-34}=\pm± −34 =±plus minus

Yuki888 [10]

Answer:

$\pm \sqrt{-34} = \pm 5.831i$

Step-by-step explanation:

We have to express the given radical using imaginary unit.

$\sqrt{-34}$

We know that, imaginary unit:

$i = \sqrt{-1}$

We may solve the radical as:

$\pm \sqrt{-34}\\=\pm \sqrt{34\times -1}\\=\pm \sqrt{34}\times \sqrt{-1}\\=\pm \sqrt{34}\times i\\=\pm \sqrt{34}i\\\approx \pm 5.831i$

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3 years ago

Read 2 more answers

Cedric has 4 pencils, a blue pen, and a black pen in his desk. If he randomly draws two of them from the desk without replacemen

stealth61 [152]

(2/6) * (1/5)
(1/3) * (1/5)
= 1/15

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3 years ago