dhisisisj dhisisisj
  • 05-04-2020
  • Mathematics
contestada

what multiplies to 1.25 and adds up to 3

Respuesta :

lazyloc29
lazyloc29 lazyloc29
  • 05-04-2020

Answer:

2.5

Step-by-step explanation:

l x+y=3

ll x*y=1.25

l x=3-y

ll (3-y)*y =1.25

ll -y^2+3y-1.25=0

ll y^2-3y+1.25=0

a=1

b= -3

c=1.25

y1, 2 =(3+/-sqrt(9-4*1.25))/2

y1, 2 = (3+/-2)/2

y1=1.25 =>x=3-2.5=0.5

y2=0.5=> x=3-0.5=2.5

the numbers: o.5, 2.5

Answer Link

Otras preguntas

The object has a mass of 5 grams and a volume of 15 mL what is density
1 is what percent of 300?
On March 1, the Mixing Department had 550 rolls of paper in process. During March, the Mixing Department completed the mixing process for those 550 rolls and al
help please (2.5,-0.5) , (4,-1.5) , (2.5,-2) , (2.5,-.5)
What is the only bone not connected to any other bone?
Is the following a fixed or a variable expense? Life Insurance Question 7 options: A) Fixed Expense B) Variable Expense
What were the words on the flag that flew by the cannon at the Battle of Gonzales?
What is the most likely meaning of the metaphor in this sentence? His legs were lead weights as he headed up to the house to tell his parents the bad news. A. T
if [2+3] [1+x]=25 what is x?
Calculate the number of molecules in 200g of nitrogen gas.​