3 years ago

I need help does anybody know this answer asap

Mathematics

2 answers:

docker41 [41]3 years ago

7 0

Replace B and small b and A by its values then multiply by 2 on both sides. You will get 42= 7h then h=6

anygoal [31]3 years ago

3 0

The answer to h = 6.

The reason is, A = 21 and the two b’s both together are equaled to 7, so we need to find the missing number to multiply 7, so when we put 6 in the h spot, it is multiplied by half, making it 3, So now we have simple multiplication of: 7 x 3 = 21. Thank you and hope this helps.

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

blagie [28]

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