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Firdavs [7]
3 years ago
15

On a coordinate plane, Point C is at (-3,5) and Point D is at (4,9). What is the distance from point C to point D?

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

5\sqrt[\\]{3} \\ or about 8.66

Step-by-step explanation:

To find the distance of any line, you have to use distance formula.

\sqrt{(y-y_{1} )^{2} + (x-x_{1} )^{2}

So, we insert our points:

\sqrt{(5-9 )^{2} + (-3-4 )^{2}

Then you solve, and should end up with \sqrt{75}. Either you can simplify it for an exact number, or you can round. It depends on what the directions ask for.

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3 0
2 years ago
Mr. and Mrs. Nelson are going to build a new home. They need to have working drawings of their house plans created by a design f
matrenka [14]

Answer:

Options 2), 4), and 5) are correct

Step-by-step explanation:

<u>Rock the House Digital Designs</u>

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<u>Elegant Home Architects</u>

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===========================

<u>Answer options:</u>

1)The expression 50h represents the total charge for Rock the House Digital Designs.

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2)The expression 75h represents the total charge for Elegance Home Architects.

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3)The expression 500 + 75h + 50h represents the total amount the Nelsons will spend working drawings of their new house plans.

  • Incorrect. They will choose one of the options.

4)If the Nelsons hire the design firm for 15 hours, then Elegance Home Architects will be cheaper.

  • Correct. It will cost 15*75 = $1125. Alternative costs 500 + 50*15 = $1250

5)If the Nelsons hire the design firm for 25 hours, then Rock the House Digital Designs will be cheaper.

  • Correct. It will cost 500+25*50 = $1750. Alternative cost is 25*75 = $1875
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3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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