$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
d=5\\
a_3=8\\
n=3
\end{cases}
\\\\\\
a_3=a_1+(3-1)5\implies 8=a_1+(2)5\implies 8=a_1+10
\\\\\\
\boxed{-2=a_1}
\\\\\\
a_n=-2+(n-1)5$

8 0

4 years ago

4. A mail carrier earns time and a half for any overtime hours. If her

nata0808 [166]

Answer:

$14.70

Step-by-step explanation:

If she get paid the time and a half you would first divide $9.80 by 2 which is $4.90. Now that you have the half price you add the original time to it. $9.80+$4.90= 14.70 so that’s the answer

4 0

1 year ago

F(0)=1(0+3)squared + 1<br><br> Find f of zero.<br><br> What does this point represent?

zzz [600]

Answer:

Step-by-step explanation:

F(0) = 3^2+1=9+1=10

6 0

3 years ago

6th grade math i mark as brainliest

VLD [36.1K]

step (1) 32+23*4 =124 step (2) 9+23*4= 101 step (3) 9+9*4=45 step 4 9+35=44

Step-by-step explanation:

4 0

3 years ago