lottie95 lottie95

14-07-2021
Mathematics

contestada

3x+2y=4
4x+5y=10
solve the simultaneous equations (find x & y)

Respuesta :

Angelina010001 Angelina010001

21-07-2021

Answer: (0;2)

3x + 2y = 4 | * (-5)

4x + 5y = 10 | * 2

-15x - 10y = -20

8x + 10y = 20

-15x - 10y + 8x + 10y = 20 - 20

x = 0

0 + 2y = 4

2y = 4

y = 2

(0; 2)

Answer Link

Otras preguntas

What is the difference between a refrigeration cycle and a heat pump cycle?

what is the basis of good nutrition because it is essential to all forms of metabolism in the body.

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

The pupils of Juan Luna Elementary School went on a field. The pupils paid 2420 pesos, grade 5 paid 3115 pesos and grade 4 2142 pesos for their bus fare. How mu

Ralph is 3 times as old as Sara in 4 years Ralph will be twice as old as Sara will be then. Find Ralph’s age now. If x represents Sarah’s age now, which of the

What is the best definition of realpolitik? politics centered on the ideals and hope of everyday people politics focused on real change through peaceful means p

A research group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. What is the population of the survey down

unscramble the word duolcgnitupmoc

Calculate the amount of charge travelling through a car battery when a current of 800.00 A is produced for 1.2 min.

What is the resistance of a 1000 m long copper wire with a 1 × 10-6 m² (1 mm²) cross-section assuming copper's resistivity is 1.68 × 10-8 Ω·m? Answer in the for