27% + 18% = 45%
Hope you understand problems like this better in the future
Answer:
Ca^(2+) or the charge is 2 plus or just 2
Step-by-step explanation:
Charge on the calcium ion = 20*(+1) + 18*(-1) = 20 - 18 = 2
The charge on the calcium ion is +2
Answer:
A, and C
Step-by-step explanation:
2099.5 ft
Find the angle using COS
500%650 then press 2nd function COS
39.72 degrees
Add up the measurement on the one side which comes to 1615 then divide by the COSINE of 39.72
2099.5 ft
