choccocakee
choccocakee choccocakee
  • 03-04-2020
  • Mathematics
contestada

Solve the equations by elimination method

y= x^2 +4x

2x+y= 72

Pls show full working out

Respuesta :

jaydenlong13 jaydenlong13
  • 08-04-2020

Answer: 1375

Step-by-step explanation:

70-2= 70

70/2=35 (x=35)

4x=140

x^35=1225

1225+140=1375

Answer Link

Otras preguntas

What gave Europeans their largest advantage over the indigenous population in 1492: guns, steel, or horses?
If a car is depreciated in four years, what's the rate of depreciation using twice the straight-line rate?
Round each number to the place of the underlined diget 0.724 7
A boy 1m tall looks at the swimming pool, which appears to be 75 cm deep, according to the people around him. He finds himself almost completely submerged in wa
find one value of x that is a solution to the equation (7x+2)^2+6(7x+2)=27 x= ?
The energy an organism requires to transport materials and eliminate wastes is obtained directly from
How did the mongols adapt to their environment
On this graph, (-3,-6) is a critical point. Which of the following is true? I. f(-3)<0 II. f'(-3)<0 III. f"(-3)<0?
A flag post cast a shadow that is 50 feet long at the same time a women cast standing nearby who is five feet six inches tall (5,5 ft) cast a shadow that is
7. Why is the Mayflower Compact an important document in American history?_________________________________________________ ____________________________________