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3 years ago

11

Tim needs 18 pens he can buy them in packages of 6 9 or 12 he will buy only one type of package which packages could Tim buy wri

te 2 different ways that Tim could buy exactly 18 pens

2 answers:

ANTONII [103]3 years ago

4 0

he could buy 3 packs of 6

or 2 packs of 9

emmainna [20.7K]3 years ago

3 0

Answer:

See below.

Step-by-step explanation:

Either 3 packets of 6 pens or

2 packets of 9 pens.

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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:

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

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

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2 years ago

Which descriptions of the figure MUST be true? Select all that apply.<br><br> Please help me

Anvisha [2.4K]

Answer:

I think its B and D

Step-by-step explanation:

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3 years ago

What is the approximate circumference of the circle shown below?

aniked [119]

Answer:

D: 109 cm

Step-by-step explanation:

The formula of circumference is

$\pi d$

Diameter =

$17.4 \times 2 = 34.8$

Hence, circumference =

$34.8 \times \pi = 109.32742...$

rounded of to 109.

8 0

3 years ago

Read 2 more answers

Give an example of an event in which all of the outcomes are not equally likely. Explain.

Kryger [21]

In order to do that we would need to see the list of potential answers.

8 0

3 years ago

Please help asap!! I will mark you as brainliest :)

zmey [24]

Answer:

the answer is 2.4 million

Step-by-step explanation:

In order to find the rate of change, you first must find the amount that the population grew in the time period:

314-302 = 12

Now you need to calculate the number of years:

2012-2007 = 5

Lastly, divide the amount of change by the number of years:

12/5 = 2.4

The population grew by 2.4 million people per year. Hope this helps! :)

3 0

3 years ago