Every whole number is a rational number because its a whole number meaning it's not a fraction becasue fractions are irrational numbers.
~ All whole numbers are rational but not all rational numbers are whole.
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Answer:
(-6,6)
Step-by-step explanation:
This is known as Einstein's proof, not because he was the first to come up with it, but because he came up with it as a 15 year old boy.
Here the problem is justification step 2. The written equation
BC ÷ DC = BC ÷ AC
is incorrect, and wouldn't get us our statement 2, which is correct.
For similar triangles we have to carefully pair the corresponding parts to get our ratios right:
ABC ~ BDC means AB:BD = BC:DC = AC:BC so BC/DC=AC/BC.
Justification 2 has the final division upside down.
It could be 8 since 8x18= 144 and 144 divided by 2 is 72
