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

In mice black fur coat is dominant over brown but mice with two alleles for block for a color were albino which pattern of inheritance was exhibited

type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the square of a number increased by 5 times the num

which bryophyte is found in bogs swamps and forms peat, a source of fuel? A) marchanita B) anthiceros C) Sphagnum

3. Consider the functions f(x) = x2 + 10x – 5, g(x) = 8x + 1, and h(x) = 3x – 4. List the functions from least to greatest value when x = 3 and when x = 6. Then

With which of the following does the growth rate decrease as the population gets bigger? Select one: a. Exponential growth b. Zero growth c. Logistic growth d.

What carries nerve impulses across the gap between two nerve cells?

How did the end of the slave trade in 1808 help draw African Americans to Christian churches

During the 1940s, Red Scare fears deepened when Senator __________ claimed that communist agents were holding important posts in the U. . government. a. oseph M

In a famous speech at the beginning of World War I, President Wilson declared that the United States would a. join the Triple Entente. b. join the Triple Allian

3. Consider the functions f(x) = x2 + 10x – 5, g(x) = 8x + 1, and h(x) = 3x – 4. List the functions from least to greatest value when x = 3 and when x = 6. Then