02-12-2020
Mathematics

contestada

Using the elimination method to solve
2 x-y=8
x + y = 20

Respuesta :

sallymiguel02 sallymiguel02

02-12-2020

Step-by-step explanation:

2x-y=8

x+y=20

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

3x=28

×=28÷3=9.3

so

9.3+y=20

y=20-9.3

y=20.7

Answer Link

Otras preguntas

he Brahmans, the highest Hindu caste, consisted mainly of

45. Which is NOT true about Bowen's Reaction Series? a. It helps to explain the diversity of magma types and the possible genetic relationships between various

the complement of an angle is 53, what is the measure of the angle

An opera singer in a convertible sings a note at 750 Hz while cruising down the highway at 89 km/h . The speed of sound in the air is 343 m/s. What is the frequ

Which triangle is similar to AJKL? AJKM AMKL AKML ALJK

microsoft office and open office are considered A. software B. individual applications

17) TRINITI HAS $500 IN A SAVINGS ACCOUNT AT THE BEGINNING OF THE SUMMER. SHE WANTS TO HAVE AT LEAST $200 IN THE ACCOUNT BY THE END OF THE SUMMER. SHE WITHDRAWS

Which statement is true? The non-dominant hand is used to fingerspell. The dominant hand acts as a support or base. The non-dominant hand is used to create list

What is -3(-4y+8)-9(-2y)

Which observation provides the best evidence that earth orbits the sun? A. The sun has a cyclic pattern of sunspot events B. The sun appears to rise and set in