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 â€“ 57 n = 57 + 21 57 = n + 21 Not Here

OpenStudy (anonymous):

Andras thank you so much

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

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

Graceholz:
A surveyor at Point A needs to find the distance to the island at Point C. He walks 150 meters down the shoreline to Point B, such that AB is perpendicular

19 minutes ago
0 Replies
0 Medals

imbored:
If a chemist starts with 105.0 g of ethanol and 135.65 g of phosphorus trichlorid

1 hour ago
0 Replies
0 Medals

ezelkowitz:
A linear function that represents the number of hot dogs purchased at a football game is compared to a different linear function that represents the time le

1 hour ago
1 Reply
1 Medal

slimeb:
Review the first paragraph of "Negore, the Coward." Which group of words contribu

3 hours ago
0 Replies
0 Medals

milkystxrz:
Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales.

3 hours ago
8 Replies
0 Medals

merna:
Eva deposited $14 in a savings account that earns 2.7% simple interest which graph represents the scenario Eva deposited $14 in a savings account that earns

3 hours ago
1 Reply
0 Medals

milkystxrz:
Traveling at 65 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 125 miles from San Diego to Malibu? a.

4 hours ago
8 Replies
0 Medals