eddie820 eddie820
  • 03-04-2019
  • Mathematics
contestada

If a = 5i - 6j and b = -2i + 4j , find -3a + 2b

Respuesta :

quidditchbeater quidditchbeater
  • 03-04-2019

Answer:

-19i + 26j

Step-by-step explanation:

-3 (5i - 6j) + 2 (-2i + 4j)

Distribute/multiply the -3 to everything in the parentheses

-15i + 18j + 2 (-2i + 4j)

Distribute/multiply the 2 to everything in the parentheses

-15i + 18j -4i + 8j

Combine like terms

-19i +26j

Answer Link

Otras preguntas

India before the mid-20th century included what are now the independent nations of India and A.) Pakistan and Bangladesh B.) Sri Lanka C.) Afghanistan and Burma
order from least to greatest 0.6 4/5 0.75
What does the code of Hammurabi contain? A. Texts that explain hoe to cast spells B. Rules and regulations for living in society C. Information to crack encrypt
change 12.39% to a decimal
What is 386.05679 rounded to the nearest hundredths ?
Ronald Reagan defeated in one of the biggest presidential election landslides in history.
Cara has $25 to buy dry pet food and treats for the animal shelter. A pound of dog food cost $2 and treats are $1 apiece. If she buys 9 pounds of food, what is
Who became president of the French Republic in December 1848? Maximilien Robespierre Sun Yat-sen Friedrich Engels Louis Napoleon Bonaparte
According to the passage, how did people regard Emperor Kangxi? a. with awe c. with love b. with hatred d. with indifference
During World War II, the Battle of Stalingrad took place in __________. a. France c. the Pacific b. Germany d. the Soviet Union