jedchance jedchance
  • 19-05-2017
  • Mathematics
contestada

if a product twice a number decreased by five and five times a number increased by seven is zero; find the numbers.

Respuesta :

akaleti47
akaleti47 akaleti47
  • 19-05-2017
(2x-5)(5x+7)=0

x=5/2 and x=-7/5 these are the 2 numbers
Answer Link
belinda1975
belinda1975 belinda1975
  • 19-05-2017
Answer 5/2 and - 7/5

Product P = (2x1-5)(5x2+7)=0
Solving the binomials, we get
x1=5/2 and x2= -7/5
Answer Link

Otras preguntas

how is Germany's location in Europe an advantage in launching an offensive war?
I need help to find the answer
Explain how objects in motion have kinetic energy, use examples
A boy throws a baseball across a field. The ball reaches its maximum height, 18 meters, after 1 second. After approximately 2.3 seconds, the ball lands on the g
Find the zeroes of 6x^4+x^3+2x^2-4x+1
How are the values of the 5s in each number related by 0.355, 0.500 53, 2.351 529
how much greater is 6/7 then 5/14
what is the next thing you would do in a store after finding what you want A.comprar B.buscar C.entar D.escribir Which of these comes in pairs A. El suéter B.
Write a function rule for each table. Days Cost to Rent a Truck 1 34 2 56 3 78 4 100 c = 22d + 12 c = 22d c = 22d + 22 c = 12d + 22
How did most people receive Roosevelt fireside chats