3 years ago

HELP ME ASAP!!!! I NEED THIS ANSWERED!!!

Mathematics

1 answer:

tester [92]3 years ago

6 0

disks just-&/&/&/$2)2$2727272727272

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Question 1................

rewona [7]

I think it is 9 that it ok

5 0

3 years ago

A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the numbe

ycow [4]

Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

$S_n = \frac{n}{2}(n - 1)$

Step-by-step explanation:

Given

For 5 people

$\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}$

Using the given instance of 5 people, the number of handshakes can be represented as:

$(n - 1) + (n - 2) + (n - 3) + ........ + 3 + 2 + 1 + 0$

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

$S_n = \frac{n}{2}{(T_1 + T_n})$

Where

$T_1 = n - 1$ --- The first term

$T_n = 0$ --- The last term

So:

$S_n = \frac{n}{2}(n - 1 + 0)$

$S_n = \frac{n}{2}(n - 1)$

7 0

2 years ago

HELP! I will mark you the brainiest!

Ymorist [56]

#5: cost: y
Number of beads: x
y=0.48*x
So for 4 beads: 1.92
for 5 beads: 2.4

#6: the x th term in the sequence is y
y=17-2x
The 10th term is -3

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3 years ago

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What is the y-value of the solution to the system below?

myrzilka [38]

Yes that’s completely true because of course you can’t say it is false

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2 years ago

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The Science Club went on a two-day field trip. The first day the members paid $30 for transportation plus $17 per ticket to the

marishachu [46]

Answer:

(30$+17$)+(65$+10$)=

Step-by-step explanation:

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