Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number? 57 = 2 + 21 21 = n – 57 n = 57 + 21 57 = n + 21 Not Here

7 years ago
OpenStudy (anonymous):

Andras thank you so much

7 years ago
OpenStudy (anonymous):

the last one 57=n+21 where n is the number we are looking for

7 years ago
OpenStudy (anonymous):

no problem, I have a spare few minutes :-)

7 years ago
Can't find your answer?
Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!

Latest Questions

bammbiii5:
The equation of the linear regression line represents the relationship between the number of minutes a person can run, x, and the number of laps a person ca

33 minutes ago
1 Reply
0 Medals

Janhsey:
Which student wrote the correct expression? Tanya Wyatt Xavier Yang

2 hours ago
0 Replies
0 Medals

AllisonKookie:
An architect drew the blueprint for a new office building. He used a scale in which 1 inch represents 7.

7 hours ago
0 Replies
0 Medals

AllisonKookie:
Samuel's Middle School had a Week of Giving charity drive. The table below shows the number of participants per day.

8 hours ago
4 Replies
1 Medal

dacoya5:
High erosion rates in Madagascar are caused primarily by __________.

8 hours ago
1 Reply
0 Medals

Ferredoxin:
Need help on some Adobe Dreamweaver questions: 1. What major tools does Dreamweaver automatically incorporate? 2.

1 hour ago
3 Replies
0 Medals

AllisonKookie:
A shirt originally cost $47.47, but it is on sale for $35.60. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest

9 hours ago
2 Replies
0 Medals

AllisonKookie:
Adele is driving her car near the Tri-State area. She covers a distance of 221.05 miles in 4 hours.

9 hours ago
2 Replies
1 Medal

AllisonKookie:
Bueno Mart has a distribution warehouse in Arizona that services their stores in the southwest part of the country.

9 hours ago
3 Replies
1 Medal