R≈1.02
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Answer:
10x
Step-by-step explanation:
<h3>Expression:</h3>
Length = x unit
Width = 4*x = 4x
Perimeter = 2*(length + width )
= 2*(x + 4x)
= 2 *5x
= 10x
Answer:
<h2>0.5</h2>
Step-by-step explanation:
0.5 = 0.500
<em>you can add as many as you want 0 after the decimal point. This will not change the value of the number</em>
126 < 500
Therefore
0.126 < 0.500
Answer:
Each board is (4/25) meters long = 0.16 meters long
Step-by-step explanation:
The board is 4/5 meters long, and he needs to cut 5 equal pieces, so we need to divide 4/5 of a meter in 5 parts.
This mathematically becomes: 4/5 divided by 5 which by the definition of division of rational numbers, is the same as :
4/5 times the reciprocal of 5 = (4/5) * (1/5) = (4/25) = 0.16 meters each board
Note that the whole number 1 = 20/20
As 20/20 = 1
There are 4 whole numbers. multiply the numerator by 4
(20/20) x (4/1) = 80/20
Next, add the improper fraction gotten to the fraction given, 12/20
80/20 + 12/20 = 92/20
92/20 is your improper fraction, or 23/5 (simplified)
hope this helps