Question

I need help please!!

Answer 1

Step-by-step explanation:

11

$\frac{ - 1}{5} \times \frac{4}{7}$

$\: \: \: \: \: \frac{ - 4}{35}$

12

$\frac{ - 1}{2} \times \frac{4}{5}$

$\frac{ - 2}{5}$

13

$\frac{ - 3}{2} \times \frac{7}{ - 10}$

$\frac{21}{20}$

14

$\frac{1}{2} \times \frac{7}{8}$

$\frac{7}{16}$

15

$\frac{ - 9}{5} \times \frac{1}{2}$

$\frac{ - 9}{10}$

16

$\frac{ - 32}{9} \times \frac{1}{3}$

$\frac{ - 32}{27}$

17

$\frac{ - 2}{1} \div \frac{ - 19}{5}$

$\: \: \: \: \: \: \frac{ - 2}{1} \times \frac{5}{ - 19}$

$\: \: \: \: \frac{ - 10}{19}$

18

$\frac{1}{9} \div \frac{ - 4}{3}$

$\frac{1}{9} \times \frac{3}{ - 4}$

$\frac{ - 1}{12}$

19

$\frac{13}{7} \div \frac{23}{4}$

$\frac{13}{7} \times \frac{4}{23}$

$\frac{52}{161}$

20

$\frac{ - 37}{10} \div \frac{9}{4}$

$\frac{ - 37}{10} \times \frac{4}{9}$

$\frac{ - 74}{45}$

Answer 2

Answer:

1l

Step-by-step explanation:

11.

-1/5÷7/4

Dividing a negative (-) and a positive (+) equals a negative (-)

$- \frac{ 1}{5} \div \frac{7}{4}$

To divide by fraction Multiply ✖ by the reciprocal of that fraction

$- \frac{1}{5} \times \frac{4}{7}$

Multiply the fractions

$- \frac{4}{35}$

Alternate form;

$0.1142857$