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Nutka1998 [239]
3 years ago
13

The length of a rectangle is twice its width The perimeter of the rectangle is 43cm

Mathematics
1 answer:
boyakko [2]3 years ago
6 0

Answer:

7.17 cm

Step-by-step explanation:

If the width is x, the length is twice this  = 2x

And

Perimeter = 2 (W + L)

so

Perimeter =  2 ( x + 2x)

Perimeter  = 2 (3x)

Perimeter  = 6x

43  =  2 ( x + 2x )

43= 2 ( 3x)  

43  =  6x

= 7.17 cm

Hope this helps i'm pretty sure this is how you do it :-)

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The sum of 5 consecutive odd integers is 285. Find<br>the 5 integers.​
Umnica [9.8K]

Answer:

They are 53, 55, 57, 59 and 61.

Step-by-step explanation:

We can write the integers as x, x+2, x+4, x+6 and x+8, so

x + x + 2 + x + 4 + x + 6 + x + 8 = 285

5x + 20 = 285

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Step-by-step explanation:

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What is the solution to the equation<br> 1/2x+3 = 2/3+1?
Alex

Answer:

x = -8/3

Step-by-step explanation:

1/2x+3 = 2/3+1

Combine like terms

1/2x+3 = 2/3 + 3/3

1/2x + 3 = 5/3

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7 0
3 years ago
How much water do you add...
Alecsey [184]

Answer: 36.67 grams of water is added.

Step-by-step explanation:

Let the amount of water is added be 'x'.

Amount of sugar = 5 g

We need to make 12% of sugar syrup.

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so, it becomes,

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