guccigoat10 guccigoat10

23-03-2019
Mathematics

contestada

the sum of two numbers is 21 and their difference is 5

Respuesta :

23-03-2019

X+Y = 21 ---> Y = 21-x

X-y = 5

x - (21-x) = 5

2x - 21 = 5

2x = 26

x = 13

13 and 8

Answer Link

23-03-2019

The two numbers are 13 and 8.

13 + 8 = 21

The difference (13 - 8) is 5.

Answer Link

Otras preguntas

Which arrow is closest to Laguna Madra bay

A baker is weighing the dough that will be used to make pastries. The line plot shows the weight of the dough for each pastry. How many pastries will be made fr

Can I get help with these questions please

What event marked the beginning of world war ii? what event caused the u.s. to join world war ii?

Why are telomeres a necessary component of linear chromosomes? they maintain the length of a chromosome because dna is shortened every time it is replicated. th

Determine algebraically whether the function is even odd or neither f(x)=xsin(x)

Anne fadiman studied the hmong immigrant population in the united states. her work suggests that one of the biggest challenges faced by this population is a lac

Which is the completely factored form of 12x3 – 60x2 + 4x – 20? 4(3x2 – 1)(x – 5) 4x(3x2 + 1)(x – 5) 4x(3x2 – 1)(x + 5) 4(3x2 + 1)(x – 5)?

if DB bisects < ADC and m<1=35° then m<2 is

The idea that __________ energy transfers one substance to another is the mainstay of the molecular theory of heat.