PLEASE HELP!!
Convert 6.4% to a decimal
2 answers:
Answer:
0.064
Step-by-step explanation:
the correct answer is 0.064
6.4% in decimal form is 0.064
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hope this is useful
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
Answer:
![2x^2+7x+6=0\\\\2(x^2+\frac72x+3)=0\\\\2[x^2+2\cdot x\cdot\frac74+(\frac74)^2-(\frac74)^2+3]=0\\\\2[x^2+2\cdot x\cdot\frac74+(\frac74)^2]-2(\frac74)^2+6=0 \\\\2(x+\frac74)^2-2\cdot\frac{49}{16}+6=0\\\\2(x+\frac74)^2-\frac{49}8+\frac{48}8=0\\\\2(x+\frac74)^2-\frac18=0](https://tex.z-dn.net/?f=2x%5E2%2B7x%2B6%3D0%5C%5C%5C%5C2%28x%5E2%2B%5Cfrac72x%2B3%29%3D0%5C%5C%5C%5C2%5Bx%5E2%2B2%5Ccdot%20x%5Ccdot%5Cfrac74%2B%28%5Cfrac74%29%5E2-%28%5Cfrac74%29%5E2%2B3%5D%3D0%5C%5C%5C%5C2%5Bx%5E2%2B2%5Ccdot%20x%5Ccdot%5Cfrac74%2B%28%5Cfrac74%29%5E2%5D-2%28%5Cfrac74%29%5E2%2B6%3D0%20%5C%5C%5C%5C2%28x%2B%5Cfrac74%29%5E2-2%5Ccdot%5Cfrac%7B49%7D%7B16%7D%2B6%3D0%5C%5C%5C%5C2%28x%2B%5Cfrac74%29%5E2-%5Cfrac%7B49%7D8%2B%5Cfrac%7B48%7D8%3D0%5C%5C%5C%5C2%28x%2B%5Cfrac74%29%5E2-%5Cfrac18%3D0)
