Yes she will have enough because 1.25 + 1.25 is 2.50
Answer:
aₙ = 4(-1)ⁿ⁻¹(3)ⁿ⁻¹
Step-by-step explanation:
The formula for the nth term of a geometric sequence is
aₙ = a₁rⁿ⁻¹
We can get the value for r by dividing aₙ by aₙ₋₁.
a₄/a₃ = -108/36
a₄/a₃ = -3
r = -3
aₙ = 4(-3)ⁿ⁻¹
aₙ = 4(-1)ⁿ⁻¹(3)ⁿ⁻¹
The (-1)ⁿ⁻¹ term makes even-numbered terms negative.
214
N is the 14th letter in the alphabet and there are 20 O's which is the 15th letter in the alphabet.
15×20=200
200+14=214
Y - 9 = 2(x - 1)
This is because the base equation is below:
y - y1 = m(x - x1)