Malik545
Malik545 Malik545
  • 04-03-2017
  • Mathematics
contestada

How do you solve? Help?

How do you solve Help class=

Respuesta :

sdmatera
sdmatera sdmatera
  • 04-03-2017
Plug in a -20 wherever you see a b
(-20)^2 +4*-20-89/13
400 + -80-89/13
400 - 169/13
400-13
=387

Hope this helps
Answer Link

Otras preguntas

1. What new forms of writing have developed in our networked world, and how has our writing changed as a result? (10 points)
I’m stuck on this please someone help
if 2 alternate exterior angles of parallel lines are 4x+78 and 13x-49, what does x equal?
Ashley is digging for rocks at a geological site. She has 140 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will create a
I need this answered please
The question to answer these is here. Which describes a ratio of 1 to 8? A. Fluid ounces in a cup to fluid ounces in a quart B.Fluid ounces in a pint to fluid
I need help with this math 16-17​
The table shows a few messenger RNA codons. Which point mutation would result in the formation of a new protein? A. UUU to UUA B. UAA to UAG C. UGU to UGC D. U
A rock is thrown upward with a velocity of 23 meters per second from the top of a 25 meter high cliff, and it misses the cliff on the way back down. when will t
HELP ASAP! PLS! What is the measure of the indicated central angle? A) 20 degrees B) 25 degrees C) 30 degrees D) 40 degrees E) None of the above