Solve the inequality. -4t+5≥-19​

t ≤ 6

Step-by-step explanation:

-4t+5≥-19​

Subtract 5 from each side

-4t+5-5≥-19-5

-4t≥-24​

Divide by -4 remembering to flip the inequality

-4t / -4≤-24​/-4

t ≤ 6

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb