Estimate the value of

Mathematics

1 answer:

denpristay [2]3 years ago

8 0

Answer:

15.45962483...

Step-by-step explanation:

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1/3(9x+27)-4=1/2(2x+54)

Alexandra [31]

First you need to distribute to everything in the parentheses.
3x+9-4=1x+27
Combine like terms
3x+5=x+27
isolate variable
3x+5=x+27
-x -x
2x+5=27
Whatever you do to one side do to the other so I subtract x from both sides. then you must subtract 5 from both sides

2x+5=27
-5 -5
2x=22
divide by 2
2x=22
/2 /2
x=11
Hope that helped

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Simplify the following sqrt 120x^15

BartSMP [9]

<h3>Answer:</h3>

$\large\boxed{\sqrt{120x^{15}}=2x^7\sqrt{30x}}$

<h3>Step-by-step explanation:</h3>

$Domain:\ x\geq0\\\\\sqrt{120x^{15}}=\sqrt{4\cdot30\cdot x^{14+1}}\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{4\cdot30\cdot x^{14}\cdot x^1}\\\\\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt4\cdot\sqrt{30}\cdot\sqrt{x^{14}}\cdot\sqrt{x}=2\cdot\sqrt{30}\cdot\sqrt{x^{7\cdot2}}\cdot\sqrt{x}\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=2\cdot\sqrt{30}\cdot\sqrt{(x^7)^2}\cdot\sqrt{x}\\\\\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2\cdot\sqrt{30}\cdot x^7\cdot\sqrt{x}=2x^7\sqrt{30x}$

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4 years ago

Please I need this done ASAP

MrMuchimi

9.45 * 10^5
hope this help

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3 years ago

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