Seudónimo Seudónimo
  • 01-11-2016
  • Mathematics
contestada

matt says he can find the sum of 45+50 without rewriting it. Explain how you can solve this problem using mental math.

Respuesta :

shivanikinare shivanikinare
  • 16-12-2016
you can use partial products. you can break up45 into 40 and 5 and leave 50. so u do 50+40=90 and add five. so 90+5=95.
Answer Link

Otras preguntas

Find the value of angle abc
what score would an essay receive if the comment were such. the essay reflects little or no thoughtfulness
Which of the following is the most common kind of chemical bond in biological molecules? A. Covalent B. Ionic C. Delocalized D. Unsaturated
why did german immigrants come to America? What types of foods and snacks did they bring with them that we consume now?
13C and 14C are isotopes of 12C, which has 6 electrons, 6 protons, and 6 neutrons. What is the arrangement of subatomic particles in 14C?
explain the difference between the lithosphere and the crust
give a stress relieving strategy to use when that stressor is causing unhealthy levels of stress.
what is 0.195 rounded to the nearest hundredth
how does gravity work?
Representatives make decisions about public policy in a(n) ____ democracy.