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saveliy_v [14]
3 years ago
5

Simple Interest and Compound Interest.Guys I need help with this question.

Mathematics
1 answer:
kotegsom [21]3 years ago
5 0

Answer:

Simple interest at 2.1%

Step-by-step explanation:

If you had $200 to start

Simple would be $200 x 2.1% = $4.2

$4.2x3 years = $12.60

Total money after 3 years $212.60

Compound would be $200 x 2.7% = $5.40 1st year

$205.40 x 1.4% = $2.8756 (2.88 rounded)  2nd year

$208.28 x 1.4% = $2.9159 (2.92 rounded) 3rd year

3 years total = $211.20

$212.60 greater then $211.20

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Find the dimensions of the rectangle with area 289 square inches that has minimum perimeter, and then find the minimum perimeter
nalin [4]
 <span>To minimize the perimeter you should always have a square. 
sqrt(289) = 17 
The dimensions should be 17 X 17 

To see , try starting at length 1, and gradually increase the length. 
The height decreases at a faster rate than the length increases, up until you reach a square. 

Or if you want to use algebra, Say the width is 17-x 
Then the length is 289/(17-x) 

Now, this is bigger than 17+x, as shown here: 
289/(17-x) > 17+x 
289 > 289 - x^2 
which is true. 
so the perimeter would be bigger than 2 * (17- x + 17 + x) = 2 * (2 * 17) = 4 * 17 

Again, the dimensions should be a square. 17 X 17.</span>
4 0
3 years ago
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Answer:

2

Step-by-step explanation:

8 0
3 years ago
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14 points please guys
miv72 [106K]
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Step By Step
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3 0
3 years ago
3x-2=2(x-5)<br><br>find the value of x ​
kipiarov [429]

Now we have to,

find the required value of x.

Let's begin,

→ 3x-2 = 2(x-5)

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Find the value of x in each case:
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