emilyyy23356 emilyyy23356
  • 01-10-2020
  • Mathematics
contestada

What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
2.5
2.8
9.25
10.75

Respuesta :

blinkybonky
blinkybonky blinkybonky
  • 01-10-2020

Step-by-step explanation:

5×0.3+2y=20

5×0.3= 1.5

1.5+2y=20

1.5+2y÷2=20÷2

1.5y=10

y=0.15

Answer Link
ainanajwa29
ainanajwa29 ainanajwa29
  • 01-10-2020

Answer:

y= 9.25

Step-by-step explanation:

5x + 2y = 20

2y = 20 - 5(0.3)

2y = 20 - 1.5

y = 20/2 - 1.5/2

y = 10 - 0.75

y = 9.25

Answer Link

Otras preguntas

How is triangle QRT congruent to triangle QST?
In the spring, the height of a vine was 25 inches. In the fall, the height of the vine was 40 inches. What was the percent of increase?
how do boys grow more than girls ?????
Who presents the newly elected Speaker of the House of Representatives?
how can three principles of training be applied to improve strength
How many kJ of heat are needed to completely melt 17.3 g of H2O, given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.
Jake gives his dog 4 chew bones and 1 dog toy each month. How many chew bones and toys with Jake give his dog in 5 months?
During the reign of the Tang dynasty, China ruled over and had great influence on the architecture and military systems of many countries including the kingdoms
The sum of three consecutive integers is 71 less than the least of the integers. Find the Integers. Really could use the help!!
!!!! HELP FAST!!!!!Based on what you have read, what is the significance of the phrase “knot it” in the final lines of the play? Check all of the boxes that app