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stira [4]
3 years ago
10

Nikki saved 15% on a $100 purchase. How much did she pay

Mathematics
1 answer:
Gwar [14]3 years ago
3 0
NIKKI PAID A WHOPPING 85

SAVING 15
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Find the value of each variable
mylen [45]

Answer:

20. 4n+5+8n-5=180(linear pair)

12n=180

n=15

21. 9x-6=8.5x+2(can be seen from image)

9x-8.5x=2+6

0.5x=8

x=8/0.5

x=80/5

x=16

22. 4z+3z+6=90°(Complementary)

7z+6=90°

7z=84°

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3 years ago
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A teacher is organizing a field trip.each bus can seat up to 46 people.is it better to estimate a greater or lesser number than
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Grantor more people might show up

Step-by-step explanation:

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You are in charge of purchases at the student-run used-book supply program at your college, and you must decide how many introdu
mariarad [96]

Answer:

  • Calculus texts: 600
  • History texts: 0
  • Marketing texts: 0

Step-by-step explanation:

Each Calculus text returns $10/2 = $5 per unit of shelf space. For History and Marketing texts, the respective numbers are $4/1 = $4 per unit, and $8/4 = $2 per unit. Using 1200 units of shelf space for 600 Calculus texts returns ...

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Any other use of units of shelf space will reduce profit.

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3 years ago
For test Please Help!!!
jonny [76]

Answer:

x=24.621

Step-by-step explanation:

tan(72)=x/8

tan(72)×8=x

x=24.621

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3 years ago
Is this the correct answer?
alexgriva [62]

Answer:

Step-by-step explanation:

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