I need help with 7-10, and 12
2 answers:
Answer:-3
Step-by-step explanation:
Super simple
This may be confusing to some, just a heads up.
7 - 10 = - 3 since you have to use the negative numbers. 10 - 7 = 3 so 7 - 10 = -3.
It sounds a little confusing the way I explain it...
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Answer:
6n-2
is this what you needed??,
Answer:
<h2>x = 2</h2>
Step-by-step explanation:
![\\\\\text{Domain:}\\\\2x^3-8>0\ \wedge\ x>0\\2x^2>8\to x^3>4\to x>\sqrt[3]4\\\\x\in(\sqrt[3]{4},\ \infty)\\\\\log_2(2x^3-8)-2\log_2x=\log_2x\qquad\text{add}\ 2\log_2x\ \text{to both sides}\\\\\log_2(2x^3-8)=3\log_2x\qquad\text{use}\ n\log_ab=\log_ab^n\\\\\log_2(2x^3-8)=\log_2x^3\iff2x^3-8=x^3\qquad\text{subtract}\ 2x^3\ \text{from both sides}\\\\-8=-x^3\qquad\text{change the signs}\\\\8=x^3\to x=\sqrt[3]8\\\\x=2\in D](https://tex.z-dn.net/?f=%5C%5C%5C%5C%5Ctext%7BDomain%3A%7D%5C%5C%5C%5C2x%5E3-8%3E0%5C%20%5Cwedge%5C%20x%3E0%5C%5C2x%5E2%3E8%5Cto%20%20x%5E3%3E4%5Cto%20x%3E%5Csqrt%5B3%5D4%5C%5C%5C%5Cx%5Cin%28%5Csqrt%5B3%5D%7B4%7D%2C%5C%20%5Cinfty%29%5C%5C%5C%5C%5Clog_2%282x%5E3-8%29-2%5Clog_2x%3D%5Clog_2x%5Cqquad%5Ctext%7Badd%7D%5C%202%5Clog_2x%5C%20%5Ctext%7Bto%20both%20sides%7D%5C%5C%5C%5C%5Clog_2%282x%5E3-8%29%3D3%5Clog_2x%5Cqquad%5Ctext%7Buse%7D%5C%20n%5Clog_ab%3D%5Clog_ab%5En%5C%5C%5C%5C%5Clog_2%282x%5E3-8%29%3D%5Clog_2x%5E3%5Ciff2x%5E3-8%3Dx%5E3%5Cqquad%5Ctext%7Bsubtract%7D%5C%202x%5E3%5C%20%5Ctext%7Bfrom%20both%20sides%7D%5C%5C%5C%5C-8%3D-x%5E3%5Cqquad%5Ctext%7Bchange%20the%20signs%7D%5C%5C%5C%5C8%3Dx%5E3%5Cto%20x%3D%5Csqrt%5B3%5D8%5C%5C%5C%5Cx%3D2%5Cin%20D)
Multiply price of the jersey by number of jerseys needed.
21.49 x 38 = $816.62 total
X^2 2x + 1 = (x + 1)^2
x is replaced by x + 1
the translation is 1 unit to the left
84% -Justin
90% -Stephanie
Stephanie scored 6 points higher.