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-BARSIC- [3]
3 years ago
7

Find the area of the parallelogram

Mathematics
2 answers:
denis-greek [22]3 years ago
4 0

Answer:

28 in.^2

Step-by-step explanation:

A = bh

Use the triangle to find h.

3^2 + h^2 = 5^2

h^2 = 25 - 9

h = 4

A = (7 in.)(4 in.)

A = 28 in.^2

Wewaii [24]3 years ago
4 0
28^2 can’t be bothered so explain but that’s the answer
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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}
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\\\\\\
\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)
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S_8=\underline{-2}\left( \cfrac{1-6561}{\underline{-2}} \right)\implies s_8=1-6561\implies S_8=-6560
8 0
4 years ago
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Jobisdone [24]

Answer:

Step-by-step explanation:

i don't see the thing you put it just shows the question

4 0
3 years ago
Will mark brainliest! Show work! What Number is 35% of 50?❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
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70%

Step-by-step explanation:

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3 years ago
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Answer:

FOIL

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In this scale drawing, every 0.5 inches equals 4 feet. what is the area of your square bedroom floor?
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