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dybincka [34]
3 years ago
12

Which of the following ratios is equivalent to 12/15​

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0

4/5 because 12/15 was simplified using 3.

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Find the value of x in the equation x⁄ 4 + x⁄14 + x⁄17 = 71
Morgarella [4.7K]

Hello from MrBillDoesMath!

Answer:

33769/181

Discussion:

Each term contains "x" so factoring it out gives

x( 1/4 + 1/14 + 1/17)  = 71       (*)

Use common factor (17*14*4  = 952) as the denominator to combine terms:

1/4 =  (17*14)/ 952  = 238/952

1/14 = (17*4)/952 = 68/952

1/17 = (14*4)/952  = 56/952

so 1/4 + 1/14 + 1/17 =    (238 + 68 + 56)/ 952 =  362/952 = 181/476

Substituting in (*) gives

x ( 181/476)  = 71                       => multiply both sides by 476/181

x = (71 * 476)/181                       => 71* 476 =33769

x = 33769/181

Thank you,

MrB

4 0
3 years ago
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boyakko [2]

multiply the 2 numbers

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Please help ASAP I’m having trouble with these problems there’s only 3 :(
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Safara uses these steps to partition segment AB in a ratio of 9:4. why Safara's method works?
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Step-by-step explanation:

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 Your answer is 19.53$ if you do add.
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