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lawyer [7]
3 years ago
6

Hello! Could y’all please explain why this is Decay and not growth?

Mathematics
1 answer:
svetlana [45]3 years ago
3 0

Answer:

This is an Exponential Decay

Step-by-step explanation:

A = 1200(0.85)⁶

The above expression is an Exponential Decay because 0.85 is less than 1

The formula for Exponential Decay

= y = a (1 - r)^t

We equate both equation together

Where

a = 1200

1 - r = 0.85

t = 6

Solving for r

1 - r = 0.85

r = 1 - 0.85

r = 0.15

Converting to Percentage

r = 15% decay rate

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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>

  • Cost = $(500 + 50h)

<u>Elegant Home Architects</u>

  • Cost = $(75h)

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

<u>Answer options:</u>

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

  • Incorrect. Additional $500 charged.

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

  • Correct

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
8 0
4 years ago
Larry says all
MaRussiya [10]

Answer:

larry is incorrect because the number 2 is not a composite number, although numbers 12, 22, 32, 42, 52, 62, 72, 82, and 92 are composite, 2 isn't

6 0
3 years ago
Question was deleted
Nikolay [14]

Answer:

uh okay I'm just stumbling upon questions like this

7 0
3 years ago
Read 2 more answers
Write this ratio in one other way 7/13
Ierofanga [76]

You can write this ratio in two other ways:

7 to 13

7 : 13

5 0
3 years ago
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14.31782106 rounded to the nearest foot
Leviafan [203]
I believe it is 14 ..
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3 years ago
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