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

72 grams = how many milligrams
Which association best describes the scatter plot? A. negative linear association B. negative nonlinear association C. positive linear association D. positi
What was one important political result of the Canadian constitution of
12,000 miles 5% increase the percent change
What is the tense of the underlined verb in the sentence? Jamal tells us stories every night. A. simple past B. simple present C. simp
Bolting ships together rather than welding them was an innovation in shipbuilding that proved to be successful for the American Navy. true or false
Questions eleven all the way to twenty
What was the main reason for the rise of dictators in Europe and Asia during the 1930s? A.Dictators controlled the armies. B.People were too exhausted to vote
What might a French Peasant have grumbled about in 1789?
if a triangle has 44mm,28mm,24mm angles 110°,40°,30° what type of triangle is it