19,7,and 61 im not sure about the last one
12+6/7n=-25n add 25n and subtract 12 on both sides
25 6/7n=-12 convert to improper fraction
181/7n=-12 multiply both sides by seven to clear the fraction
181n=-84 divide both sides by 181 to get your answer
n= -.46 hope that helps..
Answer:
D (-5,-2) E (0,-2), and F (-4,-6)
Step-by-step explanation:
hope it helps
Answer:

Step-by-step explanation:
According to the First Law of Thermodynamics, the heat received by the metal cylinder is equal to the change in the internal energy. That is:


The specific heat is clear in the previous expression and finally computed:


