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4 years ago

12

The day after the national holiday,decorations were marked down 40%.before the holiday,a partrotic banner cost 5.75.How much did

the banner cost after the holiday

1 answer:

blondinia [14]4 years ago

4 0

You have to do 5.75 x 40 which is

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Simplify the expression shown. You must show your work to receive credit.

ZanzabumX [31]

ANSWER

$12 \sqrt{5}$

EXPLANATION

The given expression is

$\sqrt{2} \times \sqrt{72} \times \sqrt{5}$

The middle radical contains a perfect square.

$\sqrt{2} \times \sqrt{36 \times 2} \times \sqrt{5}$

$\sqrt{2} \times \sqrt{36} \times \sqrt{2} \times \sqrt{5}$

$6\sqrt{2} \times \sqrt{2} \times \sqrt{5}$

Note that:

$\sqrt{a} \times \sqrt{a} = a$

$6\times 2 \sqrt{5} = 12 \sqrt{5}$

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3 years ago

ANTONII [103]

Answer:

It would be 15,00 overpriced

Step-by-step explanation:

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3 years ago

What is the mean for this list of numbers? 19, 22, 24, 45

STALIN [3.7K]

Answer:

27.5

Step-by-step explanation:

To find the mean you basically just add all of the numbers then divide by how many there are.

So, for this problem, 19+22+24+45=110

110/4=27.5

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3 years ago

Solve 3x + 8 = 2x + 21

iren [92.7K]

<h2>Answer:</h2>

<h3>x = 13 </h3><h2>Step-by-step explanation:</h2>

<h3>3x+8=2x+21</h3><h3>solve for x3x8-2x+21</h3><h3>x8=21</h3><h3>x=21-8=13</h3><h3>solution is x=13/</h3>

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3 years ago

Read 2 more answers

Order the following numbers from least to greatest.

TEA [102]

Answer:

-5.2, -4.75, -9/2

Step-by-step explanation:

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2 years ago