i would solve 4x-y =3 for y because the coefficient for y is 1
subtract 4x from each side
-y = -4x+3
divide by -1
y = 4x-3
Answer:
I would assume you're referring to this test? if so the answer is
a, d and e
Answer:
Andrew has a cell phone plan that provides 300 free minutes each month for a flat rate of $19. For any minutes over 300, Andrew is charged $0.39 per minute. Let x be the number of minutes Andrew uses per month and f(x) be the charges based on Andrew's cell phone plan. If then If then first 300 minutes are free and each minute of next (x-300) minutes costs $0.39, therefore Hence, { 19 + 0.39(x - 300), x > 300
Hoped I helped
Answer:
47,643
Step-by-step explanation:
This question is basically asking you to add up all of these numbers together and present the end result.
1) 40,000 + 7,000 = 47,000
2) 600 + 40 + 3 = 643
3) 47,000 + 643 = 47,643.
