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Komok [63]
3 years ago
15

____________________

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0

Step-by-step explanation:

the numbers of the yellow and white counters

= 288- 38 = 250.

the ratio of yellow to white = 1:4

so,

the numbers of the yellow counters =

1/(1+4) × 250 =1/5 ×250 = 50

the numbers of the white counters =

4/(1+4) ×250 = 4/5 ×250 = 200

and the numbers of the red counters = 38

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Step-by-step explanation:

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A science teacher wants to prepare a resource pack for each of the 120 pupils in year 10. She will need to photocopy 40 pages pe
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She would save £5

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Complete the equation of the line through (-1,6) and (7,-2)
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\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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3 years ago
What is the slope of the line that passes through the points (-2, -3), and (5, 4)?
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8 0
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Neporo4naja [7]

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The side lengths are 30, 36 and 39.

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3 0
3 years ago
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