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natulia [17]
3 years ago
5

The length of a rectangle is 4 centimeters less than twice its width. The perimeter of the rectangle is 34 cm. What are the dime

nsions of the rectangle?
length = 7 cm; width = 10 cm


length = 10 cm; width = 7 cm


length = 9 cm; width = 8 cm


length = 14 cm; width = 9 cm
Mathematics
1 answer:
weqwewe [10]3 years ago
7 0
Answer is length = 10 cm; width = 7 cm


Let L=length and W=Width.

The length of a rectangle is 4 centimeters less than twice its width. 

This would mean that:
L= 2w-4

To find the perimeter of a rectangle you add all sides together. This would be shown as 2L+2W

Therefore, 2L+2W= 34

Since this equation has two unknowns, you cannot solve it; but we know that L=2W-4

So if we substitute that into the equation of the perimeter, you would get:
2(2W-4)+2W=34.

This only has one unknown so we can solve it. Here are the steps:

2(2W-4)+2W=34
4W-8+2W=34
6W-8=34
6W=42
W=7

Now that we know what W is we can work out L.

L=2W-4
L=14-4
L=10

So W=7 and L=10!

This shows that the length is 10cm and the width is 7cm.

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Answer:

See the explanation.

Step-by-step explanation:

Cora is making a rectangular prism. She plans to have 8 inches if height. What will be the volume of the rectangular figure?

As the figure formed is a rectangular prism. we need to find the volume of  rectangular prism. Volume of prism will be:

Volume = Length · Width · Height

As she wants to have 8 inches of height, substitute it in the given equation:

Volume = 8(Length · Heights) inch³

6 0
3 years ago
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Step-by-step explanation

6 0
4 years ago
Teagan is dividing 6 by 11. If she continues the process, what will keep repeating in the quotient? The sequence 05 Only the dig
Oksi-84 [34.3K]

Answer:

Teagan is dividing 6 by 11. If she continues the process, what will keep repeating in the quotient?

The sequence 05

Only the digit 5

The sequence 54

Only the digit 4

The sequence 54  is the final answer.

Step-by-step explanation:

Given:

A a fraction 6/11 which Teagan is dividing we have to find the repeating quotient.

Here the divisor is 11 and the dividend is 6.

Lets say that the quotient is "q" .

And we know that:

⇒ Dividend / divisor = quotient

Or

In mixed fraction.

⇒ Dividend / divisor = quotient + (remainder/ divisor)

Finding the values of "q".

⇒ \frac{Dividend}{divisor} = quotient

⇒ \frac{6}{11} = 0.5454....

Explanation:

  • To divide 6 with 11 we have to take a decimal in quotient which allows us to have a zero in each step in the quotient.
  • After putting zero the dividend will become 60 and then we can apply 11\times 5 = 55 ...5 in the quotient and 55 in the numerator.
  • In third step we will subtract 55 with 60 that will give us 5 putting a zero with it it will be now 50 ,and the closet multiple of 11 is 11\times 4=44, 4 with the quotient and and 50-44=06 will continue to be divided.
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Our final answer from the option is : C

The sequence 54 will be repeating.

4 0
4 years ago
Consider the system of equations
Free_Kalibri [48]

Answer:

(-3,-8)

Step-by-step explanation:

okay so what we can do here is elimination

we can do this first by multiplying the entire second equation by 2

so then it would become

2(5x-2y=1)

10x-4y=2

now we can add the two equations together which will eliminate y

so

-8x+4y=-8 plus

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we did that by combining like terms

next we can simplify that

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now we can plug that into the equation

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simplify

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y=-8

our answer would be

(-3,-8)

7 0
3 years ago
Read 2 more answers
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elixir [45]
Hi. I hope this helps!

I believe the answer is 330.26 left.

1. First you add 274 and 144.25

You get 388.25

2. The. You subtract the amount of the video game from 388.25

You get 330.26

I hope this helps! Have a great day!
4 0
4 years ago
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