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Assoli18 [71]
2 years ago
6

NEED HELP ASAP

Mathematics
2 answers:
Andrews [41]2 years ago
5 0

Answer:

The answer is 13 for the surface area

Step-by-step explanation:

kolezko [41]2 years ago
4 0

Answer:

13 I think I am so s t u p i d so probole Ronge

Step-by-step explanation:

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Find the sum of a finite geometric series. The Smiths spent $2,000 on clothes in a particular year. If they increase the amount
boyakko [2]

\bf \stackrel{\textit{first year}}{2000}~~,~~\stackrel{\textit{second year}}{2000+\stackrel{\textit{10\% of 2000}}{\frac{2000}{10}}}\implies 2200

now, if we take 2000 to be the 100%, what is 2200? well, 2200 is just 100% + 10%, namely 110%, and if we change that percent format to a decimal, we simply divide it by 100, thus \bf 110\%\implies \cfrac{110}{100}\implies 1.1.

so, 1.1 is the decimal number we multiply a term to get the next term, namely 1.1 is the common ratio.

\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}\\----------\\a_1=2000\\r=1.1\\n=4\end{cases}\\\\\\S_4=2000\left[ \cfrac{1-(1.1)^4}{1-1.1} \right]\implies S_4=2000\left(\cfrac{-0.4641}{-0.1}  \right)\\\\\\S_4=2000(4.641)\implies S_4=9282

7 0
3 years ago
What is 3 to the -2
melomori [17]

Answer:

1/9

Step-by-step explanation:

Anything to the negative power will be under 1

So take the square and then reciprocate it.

3 0
3 years ago
(-3,-4) with slope 3
Anvisha [2.4K]

Answer:

Do you want me to graph it

Step-by-step explanation:

5 0
3 years ago
PLEASE ANSWER ASAP WILL MARK BRAINLIEST SHOW WORK
goldenfox [79]

Answer: y=23

Step-by-step explanation: You find the slope by doing rise over run. You go up 6 units and right two units to get from your first point to your second point. (This means your slope is 6/2 which is 3 btw). So with this problem specifically, you can see that the y values increase by 6 each time so all you do is add 6 again since it is a linear (straight line) function

5 0
3 years ago
3. A researcher finds that the correlation between High School GPA and College GPA is 0.40. What
alexgriva [62]
I think it is D
Hope my answer help you?!
5 0
3 years ago
Read 2 more answers
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