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

Which of the following functions represents an exponential decay with a 15% rate of change where A represents the initial value and x represents time in years
Every time Martina orders Chinese food, she gets egg drop soup. So, she decides to learn how to make it herself. Her recipe calls for 8 cups of broth, but she c
Solve the equation . 5x+17=42
If the side dimensions of two cubes are 8 inches and 12 inches, how many small cubes can fit in the larger one?
Explain ferromagnetism. Include what is happening to the electron in the atoms
The bulk of each tooth consists of a mineralized matrix similar to that of bone called:.
What is Brahms famous Symphony No.3 about?
can you help me with this
When are sentence fragments used in stage directions? when the play is written for a very young audience when the action is more physical than mental when they
This type of source typically offers analysis, interpretation, or summary of the original source. OA secondary OB. scholarly OC. primary D. expert