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Setler [38]
3 years ago
11

Chelsea has a savings account that pays 6% annual interest, compounded monthly, and she has made no deposits or withdrawals sinc

e opening the account. She receives monthly statements via e-mail, and the statement she just received reported a balance of $800.00. Assuming that she has had the account open for over two months, what was the balance on the previous statement to the nearest cent?
Mathematics
2 answers:
Gelneren [198K]3 years ago
7 0

Answer: $782.02

Step-by-step explanation: Balance, P = $800; Rate, R = 6%; Time, T= 1/12

∴ Interest, I = P*R*T/100

I = 800 X 6 x 1/12/100 = $4

Second  month = $(800 - 4) = $796

I = 796 X 6 X 1/12/100 = $3.98

First month = $(796 - 3.98) = $782.02    

kodGreya [7K]3 years ago
4 0
X+x*6/100 + x*6/100 = x + 2*x*6/100 = 800 so
1.12*x = 800 so
x = 800/1.12 = 714.285 =(round it)= 714.29 $
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To calculate the second option, let's convert milliliters to liters first. There are 1,000 milliliters in 1 liter. With this, we know that there are 2,000 milliliters in 2 liters. Option 2 comes in 500-milliliter cans, which means that you would need 4 of them (2,000/500 = 4). 4 cans multiplied by $0.50 would cost you $2.00. 

Let's check the cost of your answer options.
A. 4 cans - As seen above, this would cost $2.00.
B. 1 bottle - From the question, we know this would cost $2.25.
C. 2 bottles - This would be more soda than you need and would cost $4.50 ($2.25x2)
D. 1 can - This would be .5L and not enough soda for the experiment.
E. 5 cans - This would cost $2.50, but would be an extra 500mL of soda.
F. 2 cans - This would only be 1L of soda and not enough for the experiment.
G. 3 cans - This would be 1.5L of soda and not enough for the experiment either.

For the best price option, you would choose A (four cans of soda). This would give you the amount of soda that you need at the lowest price.
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3 years ago
Please this is urgent I need help please answer me
Verizon [17]

Answer:

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3 years ago
An athlete ran 800 meters in 160 seconds. What was his rate in meters per minute? Enter your answer in the box.
FromTheMoon [43]

The athlete's average speed was 300 meters/minute.

<h3>How to calculate the speed of the athlete?</h3>

To calculate the speed of the athlete we must perform the following operations.

Divide the distance into the total time:

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Transform the value from seconds to minutes, for which we must multiply 5 by 60 because each minute is made up of 60 seconds.

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According to the above, the average speed of the athlete is 300m/min.

Learn more about speed in: brainly.com/question/7359669

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2 years ago
Lexi asked 325 students which fruit they preferred, bananas or pineapples. 200 students said they preferred pineapples. What per
Serjik [45]

Answer:

38.46%

Step-by-step explanation:

Given,

The total number of students = 325

The number of students preferred pineapples = 200

Therefore, The number of students preferred bananas = (325 - 200) = 125

Among 325 students, banana is preferred 125 students

Among 1 student, banana is preferred 125/325 students

Among 100 students, banana is preferred (125*100)/325 students

= 500/13

= 38.46% (2 decimal places)

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3 years ago
Miss larner had a bowl of jolly ranchers sitting on her desk. One day sean decided to grab a handful of the candies and took 1/3
soldier1979 [14.2K]

Answer: 36 candies were in the bowl when the day started

Step-by-step explanation:

Let x represent the number of candies in the bowl initially.

One day sean decided to grab a handful of the candies and took 1/3 of the candies. This means that Sean took x/3 candies. Number of candies left would be x - x/3 = 2x/3.

Since he decided to return 4 of them, the remaining number of candies would be

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Tracy also helped herself and took 1/4 of the candies in the bowl. This means that she took

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The number of candies left would be (2x + 12)/3 - (2x + 12)/12

= 4(2x + 12) - (2x + 12)/12 = (8x + 48 - 2x - 12)/12 = (10x - 36)/12

Since she put down 3, the number remaining would be

(10x - 36)/12 + 3 = (10x - 36 + 36)/12 = 10x/12

Eugene grabbed 1/2 of the candies in the bowl. This means that he took

1/2 × (10x)/12 = (10x)/24

The amount remaining is

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He put those two back. It means that amount left would be

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At the end of the day, there are 17 candies left. This means that

10x/24 + 2 = 17

10x/24 = 17 - 2 = 15

10x = 24×15 = 360

x = 360/10 = 36

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