lakyarivers11 lakyarivers11

18-12-2019
Mathematics

contestada

giselle is 4 years older than her brother marco. the sum of their ages is 30. Write and solve a system of equations to find their ages

Respuesta :

kendal55 kendal55

18-12-2019

Because we don’t know Marco’s age just put x in instead

4+x=30

To find x in this equation you have to isolate it. You do that by subtracting 4

30-4=x

That means that x=26

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Have of u is less than equal to 43

A high quality of earnings is indicated by: (A) Declaration of both cash and stock dividends (B) A history of increasing earnings and conservative accounting me

Suppose the age of people in a certain population are distributed normally with a mean of 37.5 years and standard deviation of 6.2 years. What is the probabilit

Merchants and commercial interests in northern colonies, such as Massachusetts and Rhode Island, were opposed to the slave trade and did not benefit from it.

(2³ + 11) • 2 − 8 + 11 = what Plzzzz answer Will mark Brainliest!!!

Please help asap i will mark branlist please explain

The population of a town with an initial population of 75,000 grows at a rate of 3.7% per year. What will the population be in 5 years? In 10 years?

In January 1918, US President Woodrow Wilson presented his Fourteen Points, which outlined his vision for postwar peace. Which of these were some of those point

Assume that because of a long policy lag, the Fed starts implementing expansionary monetary policy too late, i.e., at a time when the economy is already healing

Why did the Founding Fathers choose a federation plan of government?