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zavuch27 [327]
2 years ago
5

Hello can you please help me posted picture of question

Mathematics
1 answer:
yulyashka [42]2 years ago
7 0
Total number of members = 12
Members to choose at a time = 2

This is a combination problem and we are to find the combination of 12 objects taken 2 at a time i.e. we are to find 12C2

12C2 = 66

So, there are 66 ways of selecting a president and vice president. 

Therefore, the correct answer is option D
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Question
marishachu [46]

Answer:

$182000000000

1.82 * 10^11

Step-by-step explanation:

Given that :

Number of engineers = 2.6 million

Average salary = $70,000

Collective income generated by group of engineers yearly :

This will be on average :

2,600,000 * 70,000 = $182000000000

In scientific notation :

$182000000000 = 182 * 1000000000

182 * 1000000000 = 182 * 10^9

182 = 1.82 * 100 = 1. 82 * 10^2

Hence,

$182000000000 = 1.82 * (10^2 * 10^9)

$182000000000 = 1.82 * 10^11

6 0
3 years ago
What is this number in standard form?
ehidna [41]

Answer:

5,009.206

Step-by-step explanation:

7 0
2 years ago
The area of rectangular kitchen tile is 6x^2-8x-30. The width is 2x-6.
mrs_skeptik [129]

Answer:

L=6x^2-4x+5

P=12x^2-4x-2

Step-by-step explanation:

A=WL

So, we know the area is 6x^2-8x-30 and the width is 2x-6

Substitute

(6x^2-8x-30)=(2x-6)(L)

L=(6x^2-8x-30)/(2x-6

Divide

L=6x^2-4x+5

P=2L+2W

Substitute

P=2(6x^2-4x+5)+2(2x-6)

P=12×^2-8x+10+4x-12

Simplify

P=12x^2-4x-2

7 0
2 years ago
What percent is equivalent to 1/20​
rewona [7]

Answer:

0.20%

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What property justify <br>if &lt;1 = &lt;2 and &lt;2 = &lt;3 then &lt;1 = &lt;3
krek1111 [17]

Answer:

That will be the Transitive Property

Step-by-step explanation:

6 0
2 years ago
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