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

democracy developed in Athens around
what is the lewis structure for acetylene?
Phil gets a commission of 25% on all sales. he sold $1500.00 worth of goods. what was the amount of his paycheck? 37.50 375.00 3,750.00 37,500.00
Hydrogen gas explosive within range of 4%-75% v/v. Assuming that each student in your class produces 6 L of H2 and that the lab is not ventilated, is danger of
y-3=-3y-43 solve the equation
What is the concept absolutism
why were there fewer slaves in the backcountry of the southern colonies than those areas closer to the coast
Why do nations practice protectionism?
how did the division of the Roman Empire make it easy for people to invade it
hiroki is using a quotation from this source to write his research paper: mackler, mindy. “the forest elephant.” the journal nature and science (2012): 82-91. p