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

Use the number line to find 3/4 × 2/5. Label all the parts above and below. question number 10(picture included)
6375/10000 in simplest form
Why were posters necessary to the U.S war effort
Pls help me on this, I need to know about the expressions and pictures
{worth 40 points plz help c:} The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. It
a. Scissorwire Inc. can register with the SEC at any point after the dip in shares. b. The U.S. government can file a criminal lawsuit against Scissorwire I
The major difference between oxygen and ozone is: 1.the number of atoms in a molecule 2.the kind of atoms they are made of 3.the color of the gas 4..one is a ga
The slowest land mammal is a sloth. its speed is about.0016 that of a cheetah. write this number as a percent
What verbal expression represents 9 minus n divided by 7?
What type of animals live in the grassland?