fikayoduyile01 fikayoduyile01

02-09-2020
Mathematics

contestada

Solve the simultaneous equation.......2x + 10y = 50 (equation 1) and 1.5x + 25y = 90 (equation 2)

Respuesta :

02-09-2020

Step-by-step explanation:

2x + 10y = 50 ... 1

1.5x + 25y = 90 ...2

...1 × 2.5

5x + 25y = 125 ...3

...3 - ...2

3.5x = 35

x = 10

replaced x = 10 in ...1

2(10) + 10y = 50

20 + 10y = 50

10y = 50 - 20

10y = 30

y = 3

Answer Link

Otras preguntas

number 4 I have absolutely no idea how to do. I generally understand finding distance on the coordinate plane but this has really confused me. Please help.

How can numbers be expressed ordered and compared

Suggest 8 practical solutions on how youth risk behaviour can be addressed or prevented

3 sweater cost as much as 2 pair shoes.if the total price of it 390,how much is 22 sweaters?

three things at the park that can show the angle of rotation with degrees?

Which statement was part of an initial draft of the Declaration of Independence, but not part of the final version of the Declaration of Independence?

Help please I'm Stuck I need help I will appreciate it

an angle's measure is twice the measure of its complement. the larger angle is how many degrees greater than the smaller angle.

How to tell if a function is continuous or discontinuous?

what is the largest value you can represent using 256 bit signed integer?