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777dan777 [17]
3 years ago
13

6. You and your family went to a restaurant and the bill came to $120. You decide to

Mathematics
2 answers:
ivann1987 [24]3 years ago
6 0

Answer:

c

Step-by-step explanation:

18 percent of 120 is 21.6

Lemur [1.5K]3 years ago
3 0
The answer for this question is c
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Find the sum of the first 8 terms of the series. 1/2 + 1 + 2 + 4
Roman55 [17]

\bf \cfrac{1}{2}~~,~~\stackrel{2\cdot \frac{1}{2}}{1}~~,~~\stackrel{2\cdot 1}{2}~~,~~\stackrel{2\cdot 2}{4}~~,...

so as you can see the common ratio is 2, and the first term is 1/2,

\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}\\ ----------\\ r=2\\ a_1=\frac{1}{2}\\ n=8 \end{cases} \\\\\\ S_8=\cfrac{1}{2}\left( \cfrac{1-2^8}{1-2} \right)\implies S_8=\cfrac{1}{2}\left( \cfrac{-255}{-1} \right)\implies S_8=\cfrac{255}{2}

4 0
4 years ago
Read 2 more answers
If 3t – 7 = 5t, then 6t =
gayaneshka [121]

Answer:

-21

Step-by-step explanation:

3t-7=5t

-7=5t-3t

-7=2t

t= -7/2

6t=?

6(-7/2)= -21

6 0
4 years ago
Read 2 more answers
For each pair of similar figures, find the ratio of the area of the first figure to the area of the second.
Hitman42 [59]

answer:

\frac{4}{9}


explanation:

the area of the larger square is 36 (6*6), and the area of the smaller square is 16 (4*4). to find the ratio of the area, simply just put 16 over 36 and simplify.

\frac{16}{36} = \frac{4}{9}

--

if this helped, please consider giving brainliest !

7 0
3 years ago
The table shows the total time it took Samir to read 0,1,2, and 3 pages of the book. The table also list this information as ord
cluponka [151]
Ok, but where is the table???
8 0
4 years ago
HELP MEEEEEEEE<br> plsssssss
USPshnik [31]

Answer:

lol just found it.

Step-by-step explanation:

7 0
3 years ago
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