The initial deposit would be the y-intercept (the point where the line crosses the y axis), before you started the monthly deposits.
Then, looking at the points, you can see that 20 is added every month.
Answer is D
Answer: -130, - 129, - 128
Step-by-step explanation:
x + x+1 + x+2 = - 387
3x + 3 = - 387
3x = - 387 - 3
x = - 390/3
x = - 130
<u>Answer: </u>
The percentage increase when Mrs.Lay’s instagram followers went from 40 to 72 is 80%
<u>Solution:</u>
The percentage increase can be found out by dividing change in value by initial value. This is given as,
From question, we get
Initial count of Mrs.Lay = 40
Final value of Mrs.Lay = 72
So percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is
= 80
Hence percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is 80%.
Answer:
Slope =
Step-by-step explanation:
(5 , -2) ; (-3, 4)
Step-by-step explanation:
y = -3x² + mx + 10
dy/dx = -6x + m.
When dy/dx = 0, -6x + m = 0. => x = m/6.
We have y = -3(m/6)² + m(m/6) + 10 = 37.
=> -m²/12 + m²/6 = 27
=> -m² + 2m² = 324
=> m² = 324
=> m = 18 or m = -18.