jas211
jas211
01-10-2017
Mathematics
contestada
Value of the expression
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jdoe0001
jdoe0001
01-10-2017
[tex]\bf \cfrac{1}{4}\div \cfrac{4}{10}~~+~~\cfrac{5}{7}\div \cfrac{5}{7}\implies \cfrac{1}{4}\cdot \cfrac{10}{4}~~+~~\cfrac{5}{7}\cdot \cfrac{7}{5}\implies \cfrac{1\cdot 10}{4\cdot 4}+\cfrac{5\cdot 7}{7\cdot 5} \\\\\\ \cfrac{10}{16}+\cfrac{35}{35}\implies \cfrac{10}{16}+1\implies \cfrac{(1\cdot 10)~+~16}{16}\implies \cfrac{26}{16}\implies \cfrac{13}{8}\implies 1\frac{5}{8}[/tex]
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harpazo
harpazo
01-10-2017
1/4 ÷ 4/10 + 5/7 ÷ 5/7
Note: 5/7 ÷ 5/7 = 1
This brings us to
1/4 ÷ 4/10 + 1
1/4 * 10/4 + 1
10/16 + 1
5/8 + 1
Answer: 13/8
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