krista7253 krista7253

02-11-2018
Mathematics

contestada

two numbers total 6 and their difference is 10 find the two numbers

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

x+y = 6

x-y = 10

add these two equations together

x+y = 6

x-y = 10

------------------

2x = 16

divide by 2

x =8

x+y = 6

8 + y = 6

subtract 8 from each side

y = -2

the numbers are 8 and -2

Answer Link

Otras preguntas

Which relation is a function? A. {(8, –1), (2, –1), (3, 8), (2, 5} B. {(7, 12), (1, –5), (3, –10), (2, –5)} C. {(–3, 4), (–2, 5), (0, 9), (0, 12)} D. {(1,

in group 14 which is a metalloid

Is 8 yards bigger or is 20 feet bigger

Which statement correctly describes two forms of oxygen, O2 and O3? (1) They have identical molecular structures and identical properties. (2) They have identic

order from least to greatest ! 1.36,1.3,1.63 and this other 0.42,3.74,3.47.

Factor the expression x to the fourth power plus 6x to the second minus 7 completely

a train starts from rest and speed up to 20%m/s in a time of 10 seconds. determine the acceleration of the train?

German general known as the “desert fox”

Sam wants to enlarge a triangle with sides 3, 6 and 6 inches. If the shortest side of the new triangle is 13 inches, how long will the other sides be?

Which physical changes are endothermic? (1) melting and freezing (2) melting and evaporating (3) condensation and sublimation (4) condensation and deposition