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

Can someone help Plz Na2O2 + CO2 → Na2CO3 + O2 What volume of O2 gas is produced from 3.20 liters of CO2 at STP? A. 1.60 liters B. 2.30 liters C. 3.80 liters D
Stella is assessing the financial stability of a company during a business acquisition. She is looking at the balance sheet of the company during a business mee
Solve x2 – 8x = 3 by completing the square. Which is the solution set of the equation? HURRY PLZZZZ
18 Points!!! Drag the expressions to order them from least to greatest with the least at the top. 7/8 5/8 -1/4 -3/8 -3/4
Find the discriminant of the polynomial below. 4x2 - 20x + 25?
Solve the triangle if b=5 and angle B=10°. A. a=5.0771, c=28.7939 B. a=28.7939, c= 28.3564 C. a=28.3564, c= 5.0771 D. a= 28.3564, c= 28.7939
Each dvd storage case is about 1/5 inch thick What will be the height in simpliest form of 12 cases sold together?
12. State whether the number 97 is prime, composite, or neither.
Select the letter of the term that correctly identifies the function of the word or phrase in parentheses in the following sentence: Most collectors consid
Rachel wants to improve her body composition by reducing her bmi. She seems with her friends after school 2 days a week and eats a well balanced diet. What else