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Marrrta [24]
3 years ago
13

How can you solve an equation with the variable on both sides?

Mathematics
1 answer:
diamong [38]3 years ago
7 0
You should move the variable to the same side!

best by addition/substraction:

for example:

2x+5=3x

I will "move" the 3x:

2x+5-3x=0

now  you can add up the variables: -x+5=0 (x=5)

essentially you can move it to the other side, changing the sign: + to -, - to +
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Sung Lee invests $4,000 at age 18. He hopes the investment will be worth $16,000 when he turns 25. If the interest compounds con
irinina [24]

Answer:

The growth rate he needs to achieve his goal is approximatelly 19.8%

Step-by-step explanation:

Since the sum will be compounded continuously we have to use the appropriate formula given below:

M = C*e^(r*t)

Where "M" is the final amount, C is the initial amount, r is the interest rate and t is the time elapsed. Since Sung Lee will invest that sum at 18 years old and he wants to recieve the return at 25, then the time elapsed is given by 25 -18 = 7 years. We can now apply the data to the formula:

16000 = 4000*e^(r*7)

4000*e^(7*r) = 16000

e^(7*r) = 16000/4000 = 4

ln[e^(7*r)] = ln(4)

7*r = ln(4)

r = ln(4)/7 = 0.198

The rate of interest is given by (r)*100%, so we have (0.198)*100% = 19.8%.

4 0
3 years ago
A hotel staff would like to create a circular flower bed for the hotel’s entrance. The flower bed will be enclosed by a border.
kiruha [24]

In order to solve this equation, first we must find the area of the entire circle and then we must find the area that the people like to plant with flowers. So the angle formed between 2 rock paths is 180 degrees. I am hoping that this answer has satisfied your query about this specific question.

7 0
3 years ago
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Of the 423 students entering as freshmen at a small liberal arts school, 1 out of 3 will be participating in
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Answer:

About 141 students would attend.

Step-by-step explanation:

423/3=141

4 0
1 year ago
Klein stated before 7:10 meg inlinewhich shows this distance written as a decimal
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Since decimals have places in 10 100 and 1000 you need a denominator with those number but since you already have a 10 you take the 7 and add a 0. in front so the answer is 0.7


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3 years ago
If a complete graph represents the road network in a country, it would be advantageous for that country in the even that an infe
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