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ruslelena [56]
3 years ago
5

Write the Recursive rule for the geometric sequenceAn=1072-18, 4, 2, 1, 1/2,...​

Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

\bf 8~~,~~\stackrel{8\cdot \frac{1}{2}}{4}~~,~~\stackrel{4\cdot \frac{1}{2}}{2}~~,~~\stackrel{2\cdot \frac{1}{2}}{1}~~,~~\stackrel{1\cdot \frac{1}{2}}{\cfrac{1}{2}} \\\\\\ a_n=\cfrac{1}{2}\cdot a_{n-1}\qquad \begin{cases} a_1=\textit{previous term}\\ a_n=\textit{current term}\\ a_1=\textit{first term}\\ \qquad 8 \end{cases}

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A triangle has points: A (2,1); B (3, -3); C (-1, 0). If dilated by a scale factor of 1/2, what is point A prime?
saveliy_v [14]
A’=(1,.5) you just multiply the points by whatever the dilation is, so by .5
6 0
3 years ago
For a two week period, John and Amanda had the following transactions occur to their checking account: a deposit of $1,644.50; c
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4 0
4 years ago
A catering service offers 7 appetizers, 3 main courses, and 5 desserts. A customer is to select 4 appetizers, 2 main courses, an
algol13

This question is based on combinations

Out of 7 appetizers, 4 are to be selected, this becomes = 7C4

Out of 3 main courses, 2 are to be selected , this is = 3C2

Out of 5 desserts, 4 are to be selected, this is = 5C4

So, total ways become =

7C4 * 3C2 * 5C4

7!/4!(7-4)! * 3!/2!(3-2)! * 5!/4!(5-4)!

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Hence, this can be done in 525 ways.

3 0
3 years ago
Maureen tracks the range of outdoor temperatures over three days. She records the following information.
Shkiper50 [21]
<h2>Hello!</h2>

The answer is:

The correct option is the third option;

-23\leq t\leq 50

<h2>Why?</h2>

To find which of the options expresses the intersection of the three days as an inequality in terms of temperature "t" we need to find an inequality which starts at the lowest temperature (greater or equal) and finish at the highest temperature (less or equal).

So, we have that the lowest temperature is -23°F and the highest temperature is 50°F, there are two options for that range, but we need to consider that the temperature will range from -23° to 50°, so, the correct option is the third option;

-23\leq t\leq 50

We can see that the inequality express that the temperature will range from -23°F being greater or equal than that, to 50°F being less or equal than that.

Have a nice day!

4 0
4 years ago
PLZ HELP 20 POINTS!!!!!!!! WILL PUT BRAINLIEST!!!!!!!!!!!
sashaice [31]
I think is B but I have to work this out
6 0
4 years ago
Read 2 more answers
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