Answer:
-20
Step-by-step explanation:
because if you put -20 over 4, that simplifies out to -5
Answer:
t ∈ ℝ
Step-by-step explanation:
Answer:
Its 43
Step-by-step explanation:
Happy Holidays ❄️☃️
3*1+3*2+3*3+,,,+3n= 3*(1+2+...+n)
=3*n(n+1)/2
cause 1+2+...+n=n(n+1)/2
The insurance company pays 80% of $4,400:
0.8*4400 = $3520
Therefor the amount Marge pays is 4400 - 3520 = $880
Note however that $4400 is the cost of annual group insurance, so to find how much she pays monthly we need to divide the amount she pays in one year by 12:
880/12 = $73.33 (correct to two decimal places)