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olasank [31]
3 years ago
8

I need the answer been breaking my back all day

Mathematics
2 answers:
malfutka [58]3 years ago
8 0
The dot here means multiplication and so the answer is 10.35


natima [27]3 years ago
4 0
The answer is 6.21 hope I helped
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Match the terms below to their definition. Circumcenter
Natasha_Volkova [10]

Answer:

passes through all verrtices of a polygon

Step-by-step explanation:

4 0
3 years ago
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
GUYS PLEASE HELP ME PLEASE HELP HELP PLEASE HELP ASAP GUYS HELP!!!!!
slega [8]

Answer:

SA=5\ yd^2

Step-by-step explanation:

we know that

The surface area of the square pyramid is equal to the area of the square base plus the area of its four triangular faces

so

SA=b^2+4[\frac{1}{2}(b)(h)]

we have

b=1\ yd\\h=2\ yd

substitute

SA=1^2+4[\frac{1}{2}(1)(2)]

SA=5\ yd^2

5 0
3 years ago
What is 36,000×10___???and what is 36,000÷10=_____???
AnnyKZ [126]
36000 x 10 = 360000 and 36000/10 = 3600
5 0
3 years ago
Read 2 more answers
I need help with math
Trava [24]
More info :) please thanks
7 0
2 years ago
Read 2 more answers
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