2 years ago

Write the equation of a line in slope-intercept form that goes through the points (-4, 3) and (-5, 1). You must show your work

Mathematics

1 answer:

Artist 52 [7]2 years ago

6 0

-4/3 -5/1= 120 so if you add them they equal 120 which is -120

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Solve for b, then find vaule of b when a=3<br> 4a = 2b - 7<br> Please help!

vlada-n [284]

4a = 2b-7

(4 x 3) = 2b-7

12 + 7 = 2b (As sign changes over an equals)

19 = 2b

19/2 = b

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3 0

2 years ago

Read 2 more answers

A tank containing 64 gallons lost 6 1/4% of this through leakage how much is remaining is the tank

jolli1 [7]

if we take 64 to be the 100%, how much is 6¼% off of it?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 64&100\\ x&6\frac{1}{4} \end{array}\implies \cfrac{64}{x}=\cfrac{100}{6\frac{1}{4}}\implies \cfrac{64}{x}=\cfrac{\frac{100}{1}}{\frac{25}{4}}\implies \cfrac{64}{x}=\cfrac{100}{1}\cdot \cfrac{4}{25} \\\\\\ \cfrac{64}{x}=16\implies 64=16x\implies \cfrac{64}{16}=x\implies 4=x \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{it had}}{64}-\stackrel{\textit{leakage}}{4}\implies \stackrel{\textit{remaining}}{60}$