Answer:
4. 2/6 (There are 6 sides. Only 2 are not factors.)
5. 3/12
6. 2/12
7. 3/12
8. 3/12
9. 6/23
10. 9/12
Step-by-step explanation:
These make sense if you do the math in your head.
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2/3 because 8 divided by 12 is 8/12 but you have to round it and you would get 2/3
Answer:
If we do square on both sides we get two answers i.e. (x+12)^2=(3x+20)^2
(x^2)+24x+144=(9x^2)+120x+400
(8x^2)+96x+256=0
(x^2)+12x+32=0
(x+4)(x+8)=0
x= -4 or x= -8.
Else we have another method
x+12=3x+20
x+12–20=3x
x-8=3x,
Now square on both sides.
(x-8)^2=(3x)^2
x^2–16x+64=(9x^2)
(9x^2)-(x^2)+16x-64=0
(8x^2)+16x-64=0
(x^2)+2x-8=0
(x+4)(x-2)=0
x= -4 or x= 2.
But It Didn’t Satisfy for The Equation When
x=2 or x= -8,So The Value of x will be -4 which satisfies given question.
<span>Two or more decimal numbers are said to be equivalent decimals, when they name the same value (or same amount).
For example, the decimals: 0.2 = 0.20 = 0.200 = 0.2000 etc.
Thus by successive addition of zeros after the decimal part of the number after the decimal point means the same number and hence are equivalent.
Therefore, the decimals: 5.3, 5.30, 5.300, 5.3000 etc are all equivalent.</span>
