Awesomeface
Awesomeface Awesomeface
  • 02-04-2015
  • Mathematics
contestada

The difference between two numbers is 3.2. The sum of the numbers is 46.4. What could the two numbers be?

Respuesta :

ajluv3161
ajluv3161 ajluv3161
  • 02-04-2015
x+y=46.4 
x-y=3.2 
solving for y
3.2+y=x 
substitute
3.2+y+y=46.4 
simplify 
3.2+2y=46.4 
solve for y 
y=(46.4-3.2)/2 
y=21.6 
put y into equation 
x+y=46.4 
x+21.6=46.4 
x=46.4-21.6 
x=24.8 

your two numbers are 24.8 and 21.6 
Answer Link

Otras preguntas

Which shows 5.45 written as a mixed number?
2/5+4/7 estimate: decide if each addend is closer to 0 or closer to 1. then estimate the sum or difference. this is a fraction question.
What is the simplified form of the expression 2 * [(1+14)*7]+6/0.5^3?
convert to vertex form. y=2x^2+14x-4
How did professors feelings about black well as a student change over time?
how far away is all 9 planets from the sun
what is the term for the condition where red blood shrivels?
type the requested verb form of this verb. future progressive tense: soar
Identify the like terms. 9x, 10y, –9y,  10   A. 9x and 10
what is the definition of bureaucratic personality