We can write out a formula in order to solve this. Since sum represents addition, if x represents the unknown number, we can write the formula: x+51=-21. Then, to solve for x, you would subtract 51 from both sides to get x=-72 which is the final answer.
Answer:
Step-by-step explanation:
how many hours of sleep did you get = 7 hours
What fraction of the day is that = 7/24
What it the decimal equivalent = 0.29 ( 2 decimal point)
What is the percentage = 1.68%
Answer:
This is actually not an identity.
Answer:
Most likely wrong but i thinkkk C
Step-by-step explanation:
This is not my work but i hope this can help you with your problem
https://answers.yahoo.com/question/index?qid=20120518194118AAhi738