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zalisa [80]
3 years ago
14

A square is 3 centimeters by 3 centimeters. What are the dimensions of a similar square with sides that are three times that siz

e?
Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Answer:9 cm by 9cm

Step-by-step explanation: 3*3=9

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3. A man needed money for college. He borrowed $6,000 at 14% simple interest per year. If he paid $420 interest, what was the du
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Answer: half year

Step-by-step explanation:

The formula to find the simple interest is given by :-

I=Prt, , where P is the principal amount , r is the rate of interest and t is the time in year.

Given : I=420 ; r=14%=0.14 and P =$6000

Then, we have the following equation :-

420=6000\times0.14 \times t\\\\\Rightarrow\ t=\dfrac{420}{6000\times0.14}=0.5

It means the duration of the loan is half year .

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3 years ago
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Answer:

y =  \frac{ - 13 -  \sqrt{489} }{10}

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3 years ago
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What is the real part of 6 plus 3i
igomit [66]

Answer:

63

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4 0
3 years ago
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Solve each system of linear equations by substitution x+y=3 -x+y=5​
SSSSS [86.1K]

Answer:

x = -1, y = 4

Step-by-step explanation:

x + y = 3

-x + y = 5

This means that y = 3 - x

We can substitute this value into the equation

-x + y = 5

-x + 3 - x = 5

3 - 2x = 5

Subtract 3 from both sides

-2x = 2

Divide both sides by -2

x = -1

Plugging this number into the equation, we have:

-1 + y = 3

Add 1 to both sides

y = 4

8 0
3 years ago
What does n= if<br> -6= n/-14 -5
zalisa [80]

Answer:

n=14

Step-by-step explanation:

-6=(n/-14)-5

-6+5 = n/-14

-1= n/-14

cross multiplication and striking of negative sign from both side.

n=14

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3 years ago
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