Respuesta :
Step-by-step explanation:
11
[tex] \frac{ - 1}{5} \times \frac{4}{7} [/tex]
[tex] \: \: \: \: \: \frac{ - 4}{35} [/tex]
12
[tex] \frac{ - 1}{2} \times \frac{4}{5} [/tex]
[tex] \frac{ - 2}{5} [/tex]
13
[tex] \frac{ - 3}{2} \times \frac{7}{ - 10} [/tex]
[tex] \frac{21}{20} [/tex]
14
[tex] \frac{1}{2} \times \frac{7}{8} [/tex]
[tex] \frac{7}{16} [/tex]
15
[tex] \frac{ - 9}{5} \times \frac{1}{2} [/tex]
[tex] \frac{ - 9}{10} [/tex]
16
[tex] \frac{ - 32}{9} \times \frac{1}{3} [/tex]
[tex] \frac{ - 32}{27} [/tex]
17
[tex] \frac{ - 2}{1} \div \frac{ - 19}{5} [/tex]
[tex] \: \: \: \: \: \: \frac{ - 2}{1} \times \frac{5}{ - 19} [/tex]
[tex] \: \: \: \: \frac{ - 10}{19} [/tex]
18
[tex] \frac{1}{9} \div \frac{ - 4}{3} [/tex]
[tex] \frac{1}{9} \times \frac{3}{ - 4} [/tex]
[tex] \frac{ - 1}{12} [/tex]
19
[tex] \frac{13}{7} \div \frac{23}{4} [/tex]
[tex] \frac{13}{7} \times \frac{4}{23} [/tex]
[tex] \frac{52}{161} [/tex]
20
[tex] \frac{ - 37}{10} \div \frac{9}{4} [/tex]
[tex] \frac{ - 37}{10} \times \frac{4}{9} [/tex]
[tex] \frac{ - 74}{45} [/tex]
Answer:
1l
Step-by-step explanation:
11.
-1/5÷7/4
Dividing a negative (-) and a positive (+) equals a negative (-)
[tex] - \frac{ 1}{5} \div \frac{7}{4} [/tex]
To divide by fraction Multiply ✖ by the reciprocal of that fraction
[tex] - \frac{1}{5} \times \frac{4}{7} [/tex]
Multiply the fractions
[tex] - \frac{4}{35} [/tex]
Alternate form;
[tex]0.1142857[/tex]