Seudónimo
Seudónimo
09-09-2014
Mathematics
contestada
What is (i)(-7i) ? Simplify
Respuesta :
Аноним
Аноним
09-09-2014
[tex] i^{2} [/tex]=-1 so 7
Answer Link
AL2006
AL2006
09-09-2014
If ' i ' is just any old number, then (i) x (-7i) = -7 i² .
But if ' i ' am √(-1) , then (-7) x (i²) = (-7) x (-1) and that's +7 .
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
In Spanish write one complete sentence for each of the following verbs. Be sure to conjugate them correctly. 1 - Yo (hacer) ..... 2 - Yo (poner) ..... 3 -
30-(8×2)=showing work
Fred works for $8.75 per hour. His regular hours are 40 hours per week and he gets time and a half for overtime. One week he works 47.5 hours. He wants to calcu
Which are the three basic powers of government
An adaptation that helps trees survive in dry grassland is
What does the map suggest about how the TVA helped american workers during the Great Depression
Please help with this question?? Fungi, such as mushrooms, obtain their glucose by decomposing organisms in their surroundings and ingesting nutrients. Explain
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! Elige la respuesta correcta. Incluye la rodilla, el muslo y los dedos del pie.
2(P + 1) > 7 + P SOMEONE PLEASE?
Which elements does strong narrative writing always contain? Check all that apply. a connection to an outline a series of steps a clear point of view a set of d
