tomerayash69 tomerayash69

04-02-2024
Mathematics

contestada

One of the solutions to the equation 5x^2+b x+12 = 0 is − 4/5. Find the value of b .

Respuesta :

jsimpson11000 jsimpson11000

04-02-2024

Answer:

=====

Step-by-step explanation:

If one of the solutions is - 4/5....put that value in for 'x' to compute 'b'

5 (-4/5)^2 + (-4/5) b +12 = 0

80/25 + 12 = 4/5 b

5/4 ( 80/25 + 12 ) = b = 19

Answer Link

Otras preguntas

25% of 88 is the same as what percent of 22? 1) 12 1/2% 2)40% 3) 50% 4) 100%

If lies in the quadrant IV. What can be the value of cos ?

What motivated Europeans to begin looking to distant lands?

A stone falls from ledge and takes 16 seconds to hit ground. The stone has an original velocity 0 m/s, How tall is the ledge?

factor the question=x^2-14x+49

tina bought some nail polish and lip gloss at the store. the nail polish cost $4.50 per bottle and lip gloss cost $7 per tube. tina bought 9 items and paid $50.

how to write 0.632 in wordform please show an example

7.20 7.2 greater equal or less

describe the relationship between the value of a dollar and the value of a dime

A base 7 three-digit number has its digits reversed when written in base 9. Find the decimal representation of the number.