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3 years ago

Simplify the following expression: -3(x+6)+8x 3x-25 5x-22 -11+3x 5x-18

Mathematics

2 answers:

german3 years ago

5 0

Answer:

5x+18

Step-by-step explanation:

Alina [70]3 years ago

3 0

Answer:

5x -18

<h2>I hope this helped! </h2><h3>have a nice day! :)</h3>

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Really stuck with this equation someone please solve this with working asap much appreciated

kirza4 [7]

Length = 400.35 cm

Area = 100087.5 cm^2

Step-by-step explanation:

Given

Width = w = 250 cm

Diagonal length = d = 472 cm

<u>1. Diagram:</u>

The diagram is attached as a picture.

<u>2. Length of sheet of metal:</u>

The given scenario makes a right triangle where diagonal is the hypotenuse and width is the base so we can use Pythagoras theorem to find the length

So,

$H^2 = B^2+P^2\\d^2 = w^2+l^2\\l^2 = d^2 - w^2\\l^2 = (472)^2 - (250)^2\\l^2 = 222784 -62500\\l^2 = 160284\\\sqrt{l^2} = \sqrt{160284}\\l = 400.35\ cm$

The area of a rectangle is given by:

$Area = length * width\\Area = l * w\\= 400.35 * 250\\= 100087.5\ cm^2$

Hence,

Length = 400.35 cm

Area = 100087.5 cm^2

Keywords: Area, Rectangle

Learn more about area of rectangle at:

#LearnwithBrainly

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3 years ago

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KIM [24]

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I need help solving for x i have no clue what to do <br><br> arcsin(7x-pi)=1/10

Umnica [9.8K]

I will assume this is in radians as pi is in the equation...

sin(arcsin(7x-p)=sin(1/10)

7x-p=sin(1/10)

x=(sin(1/10)+p)/7

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Step-by-step explanation: hope it helps

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