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Arada [10]
4 years ago
13

How to add numbers to percentages? For example, 20+300%. I really want to know how to do this but i cant figure out . I really w

ant to cry right now because i cant find anything that can help me! Please some one explain to me well?!!
Mathematics
1 answer:
bearhunter [10]4 years ago
4 0

Answer:

80

Step-by-step explanation:

If your calculator does not have a percent key and you want to add a percentage to a number multiply that number by 1 plus the percentage fraction. For example 25000+9% = 25000 x 1.09 = 27250. To subtract 9 percent multiply the number by 1 minus the percentage fraction. Example: 25000 - 9% = 25000 x 0.91 = 22750.

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Solve the equation below for x. <br> 500 = 25e ^ (2x)
Zigmanuir [339]

Answer:

x = i π n + log(20)/2 for n element Z

Step-by-step explanation:

Solve for x:

500 = 25 e^(2 x)

500 = 25 e^(2 x) is equivalent to 25 e^(2 x) = 500:

25 e^(2 x) = 500

Divide both sides by 25:

e^(2 x) = 20

Take the natural logarithm of both sides:

2 x = 2 i π n + log(20) for n element Z

Divide both sides by 2:

Answer: x = i π n + log(20)/2 for n element Z

7 0
4 years ago
The perimeter of AXYZ is __<br> units
LuckyWell [14K]

Answer:

Area of triangle: 1/2*base*height

Here height= 4

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Question 1
r-ruslan [8.4K]
The perimeter of the a and BC is 14 unitsBecause if you add all of the sides together you get 14 and I need points
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10 cm 10 cm 30 cm. 14.1 cm​
Leokris [45]

answer; you

Step-by-step explanation:

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3 years ago
Whats the rule for the pattern 8,6,9,7,10.....?
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