mcdragon878 mcdragon878

26-06-2020
Mathematics

contestada

What is the magnitude of -2a - 3b when a=3i+9j and b=4i-6j?

Respuesta :

Clintonanthony2 Clintonanthony2

26-06-2020

Answer: Dot product of the 2 vectors = 0. Therefore cos x = 0 where j is the angle between the 2 vectors. S0 j = 90°... I believe.

Answer Link

Otras preguntas

115 and 125 as a decimal

The non-operational chain of command runs directly from the president to the secretary of defense and then to the _____.

Which is a solvent argon carbon dioxide nitrogen oxygen or water vapor?

Explain the measures that can be taken to ensure safety in a storm.

Beef: $3.50 per lb Chicken: $1.95 per lb Question: Mrs. Campbell bought 1/2 lb of beef and 2 lb of chicken. How much did she spend?

Dimas reads that it takes 270 n to lift a firefighter’s equipment. if a firefighter does 5400 j of work carrying the equipment up a staircase, how high does the

The store ordered small posters and large posters to promote their opening. 12 times as many small were ordered as large posters. if there were 48 large posters

help please!!!!!!!!!!!!!!!!!!

True or false? sites that let you access your e-mail account from public computers like the ones in the library are called file-sharing sites

What percent of 80 hours is 140 hours