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4 years ago

13

Johnathan plans on using 2" x 12" boards that cost $2.50 per foot. Assuming he can purchase the exact amount he needs, how much

will it cost to purchase the wood?

1 answer:

Kitty [74]4 years ago

7 0

Answer:

$35

Step-by-step explanation:

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Complete the equation of the line through (-1,6) and (7,-2)

ASHA 777 [7]

$\bf (\stackrel{x_1}{-1}~,~\stackrel{y_1}{6})\qquad (\stackrel{x_2}{7}~,~\stackrel{y_2}{-2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-2}-\stackrel{y1}{6}}}{\underset{run} {\underset{x_2}{7}-\underset{x_1}{(-1)}}}\implies \cfrac{-8}{7+1}\implies \cfrac{-8}{8}\implies -1$

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{6}=\stackrel{m}{-1}[x-\stackrel{x_1}{(-1)}] \\\\\\ y-6=-(x+1)\implies y-6=-x-1\implies y=-x+5$

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4 years ago

Kamal sells 240 ice creams for a total of £640

Free_Kalibri [48]

Answer:

2.10

Step-by-step explanation:

# of large ice creams: 240/3 = 80

# of small ice creams: 240 - 80 = 160

Total large ice cream cost: 80*3.8 = 304

Total small ice cream cost: 640 - 304 = 336

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2 years ago

Simplify |x| - |-x|. 0 2x x2 -x2

Blababa [14]

|x| - |-x|
x - x
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So, the answer is 0.

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3 years ago

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alexandr402 [8]

A triangular Prism has the 6 faces, 9 edges, 5 verticles

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3 years ago

Negative54 dividing into negative2

leva [86]

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So yeah, 27 would be your answer.

Hope this helped :)

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3 years ago