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Allisa [31]
2 years ago
11

NEED HELP ON THIS PLEASE! Oregon Trail: Percents.

Mathematics
1 answer:
harina [27]2 years ago
5 0

1845-1846

118->148

148-118 = 30 = change

percent

30/118 ≈ 25.4%

1846-1847

148->139

148-139 = 9 = change

percent

9/148 ≈ 6%

1847-1848

139->151

151-139 = 12 = change

percent

12/139 ≈ 8.6%


Hope this helped :)

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Carol is standing 8 feet from a lamppost. The angle of elevation from her eyes to the top of the lamppost is 20o, and the angle
kupik [55]

Answer:

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

Step-by-step explanation:

The illustration form a triangle that can be demarcated into 2 right angle triangle. One triangle representing depression triangle and the other elevation triangle.

Depression triangle

The opposite side of the triangle formed is the length of the pole from the base to the horizontal line of sight. Therefore,

using tangential ratio

tan 35° = opposite/adjacent

tan 35° = a/8

cross multiply

a = 8 tan 35°

a = 8 × 0.70020753821

a = 5.60166030568

a = 5.602 ft

Elevation triangle

The opposite side of this right angle triangle represent the length from the horizontal line of sight to the top of the lamppost.

tan 20° = opposite/adjacent

tan 20° = b/8

cross multiply

b = 8 tan 20°

b = 8 × 0.36397023426

b = 2.91176187413

b = 2.912 ft

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

8 0
3 years ago
Is 7/10 more than 1/2
Bingel [31]
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5 0
3 years ago
a car recently sold for $32,345. if there is a 6% sales tax on automobile sales, how much tax will be added to the price of the
geniusboy [140]
6% of $32,345 is $1,940.70, your decimal point is off by 1 place :)
7 0
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Samuel has a collection of toy cars. His favorites are the 27
BlackZzzverrR [31]
Hey! If 27 cars make up 60%, divide that by 6 to get 10% of the answer which is 4.5. Multiply 4.5 by 10 to get 100% which is 45 cars for 100%.


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Roberto will roll a number cube and flip a coin. The faces of the number cube are labeled 1 through 6. The coin can land on head
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There is a 1/4 chance of these events occurring together.

6 0
2 years ago
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