Seudónimo Seudónimo
  • 06-09-2016
  • Mathematics
contestada

Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5 A. (4 + 6) + 5 B. (5 + 6) + 4 C. 4 + (6 + 5) D. (5 + 4) + 6

Respuesta :

joliem
joliem joliem
  • 06-09-2016
I believe it should be A, because it's easier to add 10 to anything rather than 11 or 9.  
Answer Link
AlishaStigler
AlishaStigler AlishaStigler
  • 06-09-2016
I think it's A. Because 6+4 is 10 +5 it would be 15
Answer Link

Otras preguntas

why did the Roman empire need two systems of law?
You spend $10 on office supplies out of the $25 budget what percent of your budget did you spend
what do French explorer Jacquees Carter tried to find in the Americans
Temperature, sunlight, humidity, water supply, and soil type are called the _____ of an ecosystem. a. abiotic factors b. biotic factors c. organimsms d. spe
A simile is a literary device. a. True b. False
if x= 345 and y = 23 then what is the value of z times x and y
What social,economic, and political changes occurred after world war 2
Select the items that describe what happens at the equilibrium price. Producers supply the exact goods that consumers buy. Consumers have enough goods, at the g
Nouns ending in s, ss, sh, ch, x, or z form their plural by adding .
Positive feedback is most like _____.