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3 years ago

12

Using the given equation find the missing coordinates o the points and then find the slope of the line for each equation y-2x=3;

A(...;6), B(15; ...)

1 answer:

dimaraw [331]3 years ago

8 0

Answer:

(1.5,6)(15,33) slope=2

Step-by-step explanation:

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Problem #1 -Find the equation of the line with the given slope and containing the given point.

DaniilM [7]

For 1)

$\bf \begin{array}{lllll}
&x_1&y_1\\
% (a,b)
&({{ -7}}\quad ,&{{ 0}})\quad 
% (c,d)

\end{array}
\\\quad \\\\ % slope = m
slope = {{\boxed{ m}}}= \cfrac{rise}{run} \implies 
\implies -\cfrac{3}{5}
\\ \quad \\\\
% point-slope intercept
y-{{ y_1}}={{\boxed{ m}}}(x-{{ x_1}})\qquad \textit{plug in the values and solve for "y"}\\
\qquad \uparrow\\
\textit{point-slope form}$

for 2)

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ -3}}\quad ,&{{ 17}})\quad 
% (c,d)
&({{ -7}}\quad ,&{{ 37}})
\end{array}
\\\quad \\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}
\\ \quad \\\\
% point-slope intercept
y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad \textit{plug in the values and solve for "y"}\\
\qquad \uparrow\\
\textit{point-slope form}$

then change the y= part to f(x) =

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3 years ago

PLEASE HELP FOR NUMBER 26 AND 27

ivann1987 [24]

Answer:

Step-by-step explanation:

You can't see the diagram for 27. We do not know what the entire question consists of.

26

This is a calculator question. Your calcualator has a ^ or y^x or x^y key.

To solve this problem, use one of these keys.

225 y^x 0.5 = 15 There are two answers: - 15 and 15. The question only wants 15.

If you repost 27, I'll come back and do it.

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Sam bought a new couch on sale at the discount furniture store. The original cost of the couch was $550. The sale price was $449

dolphi86 [110]

30%x550=165
550-165=385
385+99=385.00

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timurjin [86]

Answer:

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Step-by-step explanation:

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Alja [10]

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