Question

The value of -5/21 divided by -15/7 is​

Answer 1

!!ANSWER!!

$\big \: Divide \: \frac{ - 5}{21} \: with \: \frac{ - 15}{7}$

$\big \: \frac{ - 5}{ 21} \div \frac{ - 15}{7}$

Steps for dividing fractions

Find the reciprocal of the divisor

Reciprocal of

$\frac{ - 5}{21} \times \frac{7}{ - 15}$

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

Now, multiply it with the dividend

So,

$\big \:\frac{ (- 1 )\times 1}{3 \times (- 3)}$

$\big \: \frac{ - 1}{ - 3}$

$\big \: \frac{ \cancel - 1}{ \cancel- 3}$

$\big \: \frac{1}{3}$

$After \: reducing \: the \: fraction, \\ the \: answer \: is \frac{1}{3}$

HOPE IT IS HELPFUL FOR YOU.

Answer 2

Answer:

In aqueous solution, precipitation is the process of transforming a dissolved substance into an insoluble solid from a super-saturated solution. The solid formed is called the precipitate