3x + 9 = 2x + 12
-2x -2x
1x +9 = 12
-9 -9
x = 3
The square root of 78 is an irrational number, so the exact number
can't be written down, no matter how long you make the decimal.
If I say it's 8.8318, then my answer is too big, but only by about 0.0004 percent.
<span>"An </span>irrational number<span> can't be expressed as a ratio between 2 </span>numbers,<span> it can't be written as a simple fraction because there is not a finite </span>number<span> of </span>numbers<span> when written as a decimal. The </span>numbers<span> in the decimal would go on forever, without repeating.</span>
Answer: x = 5\sqrt{2}, x = -5\sqrt{2}
Step-by-step explanation:
15÷20=0.75
he charges $0.75 per photo
