mxdoh10 mxdoh10

03-03-2019
Mathematics

contestada

The difference of two numbers is 3. Their sum is 13. Find the numbers.
Show your work please

Respuesta :

plasmafrequency plasmafrequency

03-03-2019

Answer:

5 & 8

Step-by-step explanation:

x-y = 3 -> x = 3+y

x+y = 13 = 3+y+y -> 3+2*y = 13

2*y = 10 -> y = 5

-> x = 3+y = 8

Answer Link

snajwaliya snajwaliya

03-03-2019

Answer:

5,8

Step-by-step explanation:

x-y=3

x+y=13

(x-y)(x+y)=3*13

x^2-y^2=39

x=8, y=5

Answer Link

Otras preguntas

Which of these event has been blamed on the curse of macbeth

You have been asked.to suggest.a site for a.new.large.telescope. Write a short proposal outlining why you think a mountaintop far from a big city should be the

Help please need the answer

I need help I don't have any clue what to do on it and was wondering if I could get some help

If 3n + 2 = 14, what must 3n be equal to?

Am I right with the answer 14?

I need to know how to round to the nearest hundredth in the number 1.120

How would the increase of deforestation affect the amount of carbon in the atmosphere?

27 is 30% of what number

HELP PLEASE!!! The speaker in Yeats's poem goes into the woods at night because "a fire was in my head." What does it mean that a fire was in the speaker's head