diylover020253 diylover020253

10-02-2018
Mathematics

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Find BC.( the value of x)
1. 2.3 cm
2. 2 cm
3. 1.5 cm
4. 1.2 cm
PLEASE HELP!!

Find BC the value of x 1 23 cm 2 2 cm 3 15 cm 4 12 cm PLEASE HELP class=

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acworden72 acworden72

10-02-2018

It's a proportion.
2 is to x as 15 is to 9, or 2/x = 15/9.
Multiply the means and extremes
15x = 18
divide both sides by 15 to get x by itself.
x = 1.2

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Аноним Аноним

10-02-2018

x = 1.2..................................

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