nicolelorah365
nicolelorah365
11-11-2020
Mathematics
contestada
solve the equation
7x^2+21=0
Respuesta :
BangChan8
BangChan8
11-11-2020
Subtract 21 from both sides
7x^2=-21
Divide by seven on both sides
X^2=-3
Square root both sides
***X= square root of -3***
:)
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
The atoms and molecules in a gas are in constant motion. Temperature is a measure of their speed as they move. How are these related?
After you finish a hard workout, your top priority should be to: a. replace the fluids lost by sweating. b. replace the sodium you lost by sweating. c. rest
Discuss the resolution of World War I. How did it end? What consequences were imposed on the nation of the Central Powers and how did those consequences affect
how do you find the slope
Type the formula for the number of combinations of n things taken r at a time. C(n, r) =
Different ____________ are assigned to track multiple reviewers of a document. a. shapes c. colors b. numbers d. fonts
Exhaustion is when stress is present for a short period of time. please select the best answer from the choices provided. t f
please help me name 5 each of producers, primary consumers (which eat only plants), and top predators (which eat only meat, or meat and plants).
one third of a number increased by 12 one thirdn + 12 n plus 12 over 3 one third(n + 12) n + one third(12)
What was the bold statement made by President James Monroe in the Monroe Doctrine of 1823?
