Chứng minh (∫f(x)dx)'=f(x)
1 answer:
Answer:
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Answer:
280
Step-by-step explanation:
when you estimate your problem becomes 4x70 so the answer is 280
$3.70/$40= <u>9.25%</u> hope it helps!
Answer:
5-17 = -12 degrees
Step-by-step explanation:
Answer:
![x= \dfrac 92~~\textbf{or}~~x = -\dfrac{11}2\\\\](https://tex.z-dn.net/?f=x%3D%20%5Cdfrac%2092~~%5Ctextbf%7Bor%7D~~x%20%3D%20-%5Cdfrac%7B11%7D2%5C%5C%5C%5C)
Step-by-step explanation:
![\underline {\textbf{Absolute value rule: }}\\\\\textbf{If}~ |a| = b~ \textbf{then} ~a =b~ \textbf{or}~ a =-b \\\\\underline{\textbf{Solution;}}\\\\\textbf{Given that,}\\\\~~~~~~~|2x+1| = 10\\\\\implies 2x +1 = 10~~~~~~\textbf{or} ~~~~~~~~~~~2x+1 = -10\\\\\implies 2x = 10-1~~~~~~\textbf{or}~~~~~~~~~~~2x = -10-1\\\\\implies 2x = 9~~~~~~~~~~~~~\textbf{or}~~~~~~~~~~~2x = -11\\\\\implies x= \dfrac 92~~~~~~~~~~~~~~\textbf{or}~~~~~~~~~~~x = -\dfrac{11}2\\\\](https://tex.z-dn.net/?f=%5Cunderline%20%7B%5Ctextbf%7BAbsolute%20value%20rule%3A%20%7D%7D%5C%5C%5C%5C%5Ctextbf%7BIf%7D~%20%7Ca%7C%20%3D%20b~%20%5Ctextbf%7Bthen%7D%20~a%20%3Db~%20%5Ctextbf%7Bor%7D~%20a%20%3D-b%20%5C%5C%5C%5C%5Cunderline%7B%5Ctextbf%7BSolution%3B%7D%7D%5C%5C%5C%5C%5Ctextbf%7BGiven%20that%2C%7D%5C%5C%5C%5C~~~~~~~%7C2x%2B1%7C%20%3D%2010%5C%5C%5C%5C%5Cimplies%202x%20%2B1%20%3D%2010~~~~~~%5Ctextbf%7Bor%7D%20~~~~~~~~~~~2x%2B1%20%3D%20-10%5C%5C%5C%5C%5Cimplies%202x%20%3D%2010-1~~~~~~%5Ctextbf%7Bor%7D~~~~~~~~~~~2x%20%3D%20-10-1%5C%5C%5C%5C%5Cimplies%202x%20%3D%209~~~~~~~~~~~~~%5Ctextbf%7Bor%7D~~~~~~~~~~~2x%20%3D%20-11%5C%5C%5C%5C%5Cimplies%20x%3D%20%5Cdfrac%2092~~~~~~~~~~~~~~%5Ctextbf%7Bor%7D~~~~~~~~~~~x%20%3D%20-%5Cdfrac%7B11%7D2%5C%5C%5C%5C)