Answer:
15y^2-45
Step-by-step explanation:
5y^2+10y^2-45 = 15y^2-45
Answer:
46
Step-by-step explanation:
The n th term of an AP is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here d = - 3 and
= - 5 , thus
a₁ + (17 × - 3) = - 5
a₁ - 51 = - 5 ( add 51 to both sides )
a₁ = 46
T=1.66/2 or it can be t=1 2/3 ÷ 2
The answer is 73, simple math