02-02-2020
Mathematics

contestada

3x-5y=60
4x+5y=-4
what is the system of linear equation

Respuesta :

02-02-2020

(3x-5y=60)

4x+5y=-4

3(8)-5(7.2)=60

4(8)+5(-7.2)=-4

7x=56

÷7. ÷7

x=8

3(8)-5y=60

4(8)+5y=-4

32+5y=-4

-32. -32

5y=-36

÷5. ÷5

y=7.2

Answer Link

Otras preguntas

Which of these statements about Buddhism is true? A. Buddhists taught the virtues of the eightfold path. B. Gautama, founder of Buddhism, was a common fisherman

Which is the most accurate way to estimate 52% of 45

Why has the physical description of the hero changed throughout the years? A. To prove that authors can create original characters B. To allow for the advanceme

you have three numbers two of the numbers are 24 and 42 what is the gfc of these two numbers the third number is greater than 42 and does not change the gcf. Wh

explain the function of ribosomes and why cells need them

A cube is measure 1 cm on each side and has a mass of 2 grams. Will it float on water?

How much would a 185 pound astronaut weigh on the moon

Billy stacked six pieces of wood on top of one another. If each piece was three-quarters of a foot tall, how tall was his pile?

C6H12O6 is a type of protein carbohydrate amino acid polymer

Which factors caused crops to stop growing in Sumer? Choose all answers that are correct. a. poor drainage b. salty soil c. extended droughts d. pest infestatio