2 years ago

What is the area of 5ft 4ft 5ft 6ft

Mathematics

2 answers:

defon2 years ago

6 0

The area of 5ft, 4ft, 5ft, 6ft, is 50 ft.

alekssr [168]2 years ago

3 0

Area of 5ft 4ft 5ft and 6ft is 50ft squared
A=LxB1
5x4=20ft
A=LxB2
5x6=30ft
20ft+30ft=50ft squared

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Determine 7th term in the geometric sequence whose first term is 5 and whose common ratio is 2.

blagie [28]

$\bf n^{th}\textit{ term of a geometric sequence}
\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=5\\
r=2\\
n=7
\end{cases}
\\\\\\
a_7=5\cdot 2^{7-1}\implies a_7=5\cdot 2^6\implies a_7=320$