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natita [175]
3 years ago
13

if the length of a rectangle is 2x+1 and the width is x, what is the perimeter of the rectangle when x=6 centimeters? show the s

teps you used to determine the answer
Mathematics
2 answers:
shepuryov [24]3 years ago
6 0
<h2>Answer :-</h2>

The perimeter of a rectangle is given by

P =2(l+w)

P =2( 2x+1  + x)

Combine like terms

P = 2(3x+1)

Distribute

P = 6x+2

Let x=6

P = 6*6+2

   = 36+2

   = 38 centimeters

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GrogVix [38]3 years ago
3 0

Answer:

38 cm

Step-by-step explanation:

The perimeter of a rectangle is given by

P =2(l+w)

P =2( 2x+1  + x)

Combine like terms

P = 2(3x+1)

Distribute

P = 6x+2

Let x=6

P = 6*6+2

   = 36+2

   = 38 centimeters

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Yuliya22 [10]
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8 0
3 years ago
Determine the present value P you must invest to have the future value A at simple intrest rate r after time t. A=$14,000, r=9.5
Ivan

Answer:

$10,144.93

Step-by-step explanation:

Amount formula; A = (Principal* rate* time) +Principal

A= (P*r*t) +P

A= 14,000

r= 9.5% OR 0.095 as a decimal

t= 4

Plug the numbers into the formula;

14,000 = (P* 0.095 *4 ) +P

14,000 = 0.38P +P

14,000 = 1.38P

Divide both sides by 1.38 to solve for P;

14,000/1.38 = P

P= 10,144.9275

Therefore, the present value (Principal) = $10,144.93

3 0
3 years ago
3x=5x-9 pls help ?!!?!?!?!?!?!?!?!??!!?1/
lbvjy [14]

Answer: x = 4.5

Step-by-step explanation:

1) Reorder the terms:

3x = -9 + 5x

2) Solving

3x = -9 + 5x

3) Solving for variable 'x'.

4) Move all terms containing x to the left, all other terms to the right.

5) Add '-5x' to each side of the equation.

3x + -5x = -9 + 5x + -5x

6) Combine like terms: 3x + -5x = -2x

-2x = -9 + 5x + -5x

7) Combine like terms: 5x + -5x = 0

-2x = -9 + 0

-2x = -9

8) Divide each side by '-2'.

x = 4.5

9) Simplifying

x = 4.5

6 0
3 years ago
Read 2 more answers
14 POINTS!
Katyanochek1 [597]
180 minutes to finish
8 0
3 years ago
Read 2 more answers
One of the problems with our current election system is??
12345 [234]

Answer:

Assuming you mean the US election a problem with our electron is the person who wins the most popular vote doesn't always win.

Why is this a problem?

We vote for who we want as a president as it should work, but then the most elected doesn't always become president. Almost like our votes do not matter and is very discouraging.

Hope this helps!

-Payshence


5 0
3 years ago
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