lacedup53 lacedup53
  • 04-09-2017
  • Mathematics
contestada

why does the fact family for 81 and 9 have only two number sentences

Respuesta :

sofiaanddaevion
sofiaanddaevion sofiaanddaevion
  • 04-09-2017
Because there are only two things you can do with these two " family" members. 81 divided by 9 is 9. 9 times 9 is 81. Strictly speaking, there should be three in the family: 9,9 and 81 9 is the square root of 81. 81 is the 9 squared.
Answer Link

Otras preguntas

According to the map, which modern European nations had begun to form by 1000 CE?
What is a substance
the followers of which religion were not allowed to settle in georgia until after the american revolution?
Which form of Greek literature was popular with medieval readers? A. Military conquests B. allegory C. Mythology D. Tragedy
What does the worldwide population trend look like?
Two numbers are consecutive integers. Six times the smaller integer equals three times the greater integer. Find the integers​
what is the purpose/subject of american colonial art?
In the figure, AngleRQS Is-congruent-to AngleQLK. 3 lines are shown. Lines S P and K N are parallel. Line R M intersects line S P at point Q, and intersects li
Please answer these question need help ASAP
Which statement is true because the national government was not able to raise taxes under the Articles of Confederation? The states directly paid for everythin