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Pavel [41]
3 years ago
8

Mary spent $100 for $150 worth of merchandise. What percentage did she save?

Mathematics
2 answers:
Reil [10]3 years ago
8 0

The percentage she saved was 33.33%

ankoles [38]3 years ago
5 0

66.6% because 100 is 2/3rds of 150

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A plane descends 1000 ft while flying<br> 2.7 mi. What is the angle of descent?
Murrr4er [49]

Answer:

4.02°

Step-by-step explanation:

The angle of descent can be obtained using trigonometry ;

Since we have a right angled triangle ;

Let's use the relation:

Sin θ = opposite / hypotenus

Hypotenus = 2.7 miles

1 mile = 5280 feets

2.7 miles = (2.7 * 5280) = 14256 feets

Sin θ = 1000 / 14256

Sin θ = 0.0701459

θ = sin^-1(0.0701459)

θ = 4.0223674

3 0
3 years ago
It will take Mr. warner 15 1/2 hours to install a fence. Each day he works 1 1/3 hours on the fence. After he finished working o
zmey [24]
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the answer is 9 days.

12hours * 1day/1⅓ hours
^^ignore that if it doesn't make sense, but basically the hours will cancel and you'd be left with days as your only unit to show why you would divide 12 by 1⅓


hope this helped!
8 0
2 years ago
In a large school district, for every one male teacher, there are three female teachers. Four teachers are selected at random to
serg [7]

Answer:

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6 0
2 years ago
What was the population of south Australia closest to in 2003?
Brrunno [24]
It would be 1531600

How I did it
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6 0
3 years ago
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