The half life a particular radioactive substance is 10 seconds. if you started with 100 grams of this substance how much of it would remain after 60 seconds? remaining amount?

What graph correctly matches the equation y equals two negative x

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

The trigonometric ratios sine and secant are reciprocals of each other