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

Correggio was known for creating _________ and ____________ effects. a. dramatic; theatrical b. bold; shocking c. allegories; special d. all of the above
In an opera theater, sections of seating consisting of 3 rows are being laid out. It Is planned so each row will be 2 more seats than the one before it and 90 p
How many moles of solute are contained in a 500.0 milliliter solution that has a concentration of 0.35 M?
I need a science fair project that doesn't need anything on the pic and it can be about any subject thanks.
Formula of a compound in unpolluted air
Zoe has 1500 bees Zoe wants to make six friendship bracelet she needs do you want jeep 15 beads for each bracelet how many beads Wilso we have a lab after makin
Do rabits regrow teeth
Was the war for American independence a civil war or just an act of revolutionary rebellion?
describe how the symbol of the carp is used by Yun Wang (in the poem "The Carp") to illustrate the pain and injustice of her father's imprisonment.
Which of the following economic goals focuses on funding technological advances in production? A) Efficiency B) Equity C) Freedom D) Security