Lacevedo525 Lacevedo525

22-09-2015
Mathematics

contestada

Make a ten or a hundred to add mentally 339+123

Respuesta :

ZigZag27 ZigZag27

22-09-2015

9+3=12
30+20=50
300+100=400
Then add.
12+50+400=462
So 339+123=462

Answer Link

Otras preguntas

In a previous problem, the empirical formula of a compound of phosphorus and oxygen was found to be p2o5. experimentation shows that the molar mass of this comp

please help thank you. What is m <(A? answer choices: A. 44 degrees B. 62 degrees C. 80 degrees D. 88 degrees

per capita gdp can help with the understanding of economic growth A. it gives a clear picture of how economy as a whole performed B it shows economic growth has

Kelly bought a new car for $20,000. The car depreciates at a rate of 10% per year. What is the decay factor for the value of the car?

The (What) believed that the Federal government should possess all powers not specifically denied to it. Federalist or antifederalist

Select the statements that describe how the disciples acted after they were baptized with the holy spirit. they spoke boldly about christ to the jewish council.

Someone help here please

Employment costs were highest in which two countries? germany and the united states brazil and the united states mexico and the united states canada and the uni

True or False: the nomadic Plains Indians slept in teepees that were made of buffalo hide simply because they relied on the buffalo for everything due to presen

How do modern people view the world