First distribute: -4h - 20 + 4h
Combine like terms: -20
The answer is -20
Dear Brainly User,
Your answer is <em>100 g of Au-198 would have a half life of 2.7 </em><em>day.</em>
<em> </em><em> </em><em> </em><em>Hope </em><em>it</em><em> helped</em><em>.</em><em>.</em><em>.</em><em> </em><em>pls </em><em>mark</em><em> brainliest</em>
It would take her 32 minutes to swim 1600 meters
Answer:
20 : 9
Step-by-step explanation:
Given the ratio
2 : 
Multiply both parts of the ratio by 10 to clear the fraction
= 20 : 9
-3.8 + 1.7 is just like 3.8 - 1.7 just adding a negative sign (-) to it. So, -3.8 + 1.7 = -2.1