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3 years ago

Ellie wanted to know how much her mother spent on groceries weekly, so she saved each week's receipt for a whole year.

Mathematics

2 answers:

gladu [14]3 years ago

8 0

Answer:

Mean

Step-by-step explanation:

Mean is the average. You add up all the numbers you have and then divide that number by the number of numbers you have. That number is your average. (For example, 1+2+3=6, then 6 divided by 3! So, 2.

Aloiza [94]3 years ago

7 0

Mean or c is the answer

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How many 5-member chess teams can be chosen from 15 interested players? Consider only the members selected, not their board posi

ryzh [129]

<u>Answer</u>:

3003 number of 5-member chess teams can be chosen from 15 interested players.

<u>Step-by-step explanation:</u>

Given:

Number of the interested players = 15

To Find:

Number of 5-member chess teams that can be chosen = ?

Solution:

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter. To calculate combinations, we will use the formula $nCr = \frac{n!}{r!(n - r)!}$

where

n represents the total number of items,

r represents the number of items being chosen at a time.

Now we have n = 15 and r = 5

Substituting the values,

$15C_5 = \frac{15!}{5!(15- 5)!}$

$15C_5 = \frac{15!}{5!(10)!}$

$15C_5 = \frac{15\times \times 14 \times 13 \times 12 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 }{5 \times 4 \times 3 \times 2 \times 1(10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1)}$

$15C_5 = \frac{15\times \times 14 \times 13 \times 12 \times 11}{(5 \times 4 \times 3 \times 2 \times 1)}$

$15C_5 = \frac{360360}{120}$

$15C_5 = 3003$

7 0

3 years ago

Help please I need this now

professor190 [17]

Answer:

what is the question i cat help without the question

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

(50 Points)

yuradex [85]

A, B and D are your answers according to e2020

4 0

4 years ago

Read 2 more answers

Please help, it's urgent!

Aneli [31]

For this case we have to, by defining properties of powers and roots the following is fulfilled:

$\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}$

We must rewrite the following expression:

$\sqrt [3] {8 ^ {\frac {1} {4} x}}$

Applying the property listed we have:

$\sqrt [3] {8 ^ {\frac {1} {4} x}} = 8 ^ {\frac{\frac {1} {4} x} {3} }= 8 ^ {\frac {1} {4 * 3} x} = 8 ^ {\frac {1} {12} x}$

Using the property again we have to:

$8 ^ {\frac {1} {12} x} = \sqrt [12] {8 ^ x}$

Thus, the correct option is option C

Answer:

Option C

6 0

3 years ago

Read 2 more answers

Can you help me!!!!!!!!

Citrus2011 [14]

Answer:

Yes, this is A Linear Function!

Step-by-step explanation:

This is a linear function beacuse linear functions are straight lines on the graph as you may know. So when we graph these numbers it turns up as a straight increasing linear line.

(I attached a pic for u)

Hope this helps!

<3 me if it did!

6 0

2 years ago