gymnastics9578 gymnastics9578
  • 13-03-2024
  • Mathematics
contestada

Solve the quadratic equation.
-2z²-2z+5=0
a) z = (-1 ± √21) /2
b) z = (1 ± √21) /2
c) z = (-1 ± √29) /2
d) z = (1 ± √29) /2

Respuesta :

Otras preguntas

Given sine= 7/11 and sece < 0, find cose and tane.
A light bulb has a lifetime X that is exponentially distributed with a mean 340 hours. Find the probability that the bulb lifetime exceeds 220 hours when you kn
Write a function PrintShampooInstructions(), with int parameter numCycles, and void return type. If numCycles is less than 1, print "Too few.". If more than 4,
Chert has the following properties:• made up of very fine sedimentgrainsno fixed crystal structurefound in naturesolidnot a pure substance• not made by organism
Rock-music sales represented 24.8% of the total music sales in 2000. By 2007, rock-music sales represented 32.4% of the total music sales. Calculate and interpr
Kade is writing a cover letter that he will send with copies of his resume to different software development firms. Since a cover letter determines the first im
PLSS HELP!!!!! I will give brainiest points to the best answer!!!!
Six is at least foir more than a number
Solve for r. - 18 = 9 + 9r
Why is impossible for post-transcriptional editing of mRNA to occur in prokaryotes?