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Alex787 [66]
3 years ago
5

Which graph shows the solution to the following equation? 2x-5/x^2 = -4

Mathematics
1 answer:
Romashka [77]3 years ago
4 0

Answer:

THE THIRD ONE

Step-by-step explanation:

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Solve with Quadratics
leonid [27]

Answer:

x = 1 ± \sqrt{6}

Step-by-step explanation:

Given

2x² - 4x = 10 ( divide through by 2 )

x² - 2x = 5

Using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 1)x + 1 = 5 + 1

(x - 1)² = 6 ( take the square root of both sides )

x - 1 = ± \sqrt{6} ( add 1 to both sides )

x = 1 ± \sqrt{6} ← exact solutions

6 0
3 years ago
Need help on 6,8 due tomorrow please help
nikklg [1K]
Number 6 would be
\sqrt{124}
because all of the other numbers are irrational numbers
6 0
3 years ago
A line passes through the point (10,5) and has a slope of 3/2. Write and equation in slope intercept form
ehidna [41]
\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ 10}}\quad ,&{{ 5}})\quad 
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{3}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-5=\cfrac{3}{2}(x-10)\implies y-5=\cfrac{3}{2}x-15
\\\\\\
y=\cfrac{3}{2}x-15+5\implies y=\cfrac{3}{2}x-10
8 0
3 years ago
Miss smith’s pay is directly proportional to the number of hours she work at the airport. Her pay for 22 hours is $297.How much
Troyanec [42]

Answer:

She should earn $540 in a 40 hour week

Step-by-step explanation:

we know that

Her pay for 22 hours is $297

so

using proportion

Find out how much should she earn in a 40 hours week

\frac{22}{297}=\frac{40}{x}\\\\x=297*40/22\\\\x= \$540

7 0
3 years ago
Identify the parameters in y = a*bkx.
Natasha2012 [34]
Convention in algebra is that we use letters such as a, b, c, etc., for parameters and letters such as x, y z, and so on, for variables.

Thus the parameters here are a, b and k.  k is the constant of proportionality.

5 0
3 years ago
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