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3 years ago

9

Find the measure of the angle of elevation of the sun when a pole 35 feet tall casts a shadow of 47 feet long. Round your answer

to the nearest tenth.

1 answer:

Fantom [35]3 years ago

7 0

Answer:1.3

Step-by-step explanation:

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The product of 3 and an unknown number diminished by eight

Sindrei [870]

Answer:

3x-8

Step-by-step explanation:

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3 years ago

Find the sum of a finite geometric sequence from n=1 to n=8, using the expression -2(3)^n-1

MissTica

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}
\end{cases}
\\\\\\
\sum\limits_{n=1}^{8}~-2(3)^{n-1}~~
\begin{cases}
n=8\\
a_1=-2\\
r=3
\end{cases}\implies S_8=-2\left( \cfrac{1-3^8}{1-3} \right)
\\\\\\
S_8=\underline{-2}\left( \cfrac{1-6561}{\underline{-2}} \right)\implies s_8=1-6561\implies S_8=-6560$

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3 years ago

A 1-ounce serving of cream cheese contains 7.8

Misha Larkins [42]

Sent a picture of the solution to the problem (s). Proportions are a quick set up to find a part of two things being compared. You will use this method a lot in math and science.

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3 years ago

Please help! i am confused

Brut [27]

Answer:

3

16+ x = 19

x= 3

Step-by-step explanation:

pls mark as brainliest ty

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2 years ago

Square root of 164,025

Darina [25.2K]

Answer:

405

Step-by-step explanation:

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3 years ago

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