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True [87]
2 years ago
14

1/3 (3x)(2x-5)(2x-5)=125

Mathematics
1 answer:
katrin [286]2 years ago
8 0

Answer:

the answer is shown below

Step-by-step explanation:

hope this helps

have an awesome day -TJ

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Solve -7x^2+x+9=-6x quadratic formula
myrzilka [38]

Answer:

-7x^2+x+9=-6x

-7x^2+x+9+6x=-6x+6x

-7x^2+7x+9=0

quadratic\: formula

x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}

\sqrt{-7^{2} -4(-7)\times9} =\sqrt{301}

x_{1,\:2}=\frac{-7\pm \sqrt{301}}{2\left(-7\right)}

\frac{-7+\sqrt{301}}{2\left(-7\right)}

=\frac{-7+\sqrt{301}}{-2\cdot \:7}

=\frac{-7+\sqrt{301}}{-14}

\frac{-7-\sqrt{301}}{2\left(-7\right)}

=\frac{-7-\sqrt{301}}{-2\cdot \:7}

=\frac{-7-\sqrt{301}}{-14}

answer=\frac{7+\sqrt{301}}{14}

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3 years ago
You are given the system of equations to solve by the elimination method, which is an INCORRECT step that will NOT produce a sys
Dennis_Churaev [7]

Answer:

13x 5y

Step-by-step explanation:

3 0
3 years ago
What is the scale factor to go from small triangle to the large triangle?
Elis [28]
Divide both numbers in one of the ratios by their highest common factor. This will give you the scale factor of the bigger triangle to the smaller triangle.
3 0
3 years ago
Please help me wit dis rq
Sonja [21]
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Example: 5 multiply by 5 equal 25
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7 0
2 years ago
Read 2 more answers
Find the unit vector in the direction of v=(7,-3).<br> (enter exact answers with square roots)
navik [9.2K]

Answer:

\binom{ \frac{7 \sqrt{58} }{58} }{  \frac{ - 3 \sqrt{58} }{58} }

Step-by-step explanation:

First, find the magnitude of the vector:

|v|  =  \sqrt{( {(7)}^{2} + {( - 3)}^{2})  } \\  =  \sqrt{(49 + 9)}  \\   =  \sqrt{58}

Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:

unit \: vector =  \binom{ \frac{7}{ \sqrt{58} } }{ \frac{ - 3}{ \sqrt{58} } }  \\  =  \binom{ \frac{7 \sqrt{58} }{58} }{  \frac{ - 3 \sqrt{58} }{58} }

8 0
3 years ago
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