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Karo-lina-s [1.5K]
4 years ago
7

(b) Factorise fully 9b-3b squared

Mathematics
1 answer:
shepuryov [24]4 years ago
7 0

Answer:

Step-by-step explanation:

b(9-3)

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Please explain your answer as well. THX!!
telo118 [61]

Answer:

The correct option is the first one.

Step-by-step explanation:

We know that 14 men and 24 women applied for a job. So a total of 38 persons applied for that job.

But there are 4 ways a man can be chosen. It can be the first person chosen, the second, the third of the fourth one.

So we know that the number of ways that four people can be selected out of 38 people is  38C4=73,815.

Also the number of ways 3 woman can be selected is 14*24C3 =14*2024 = 28,336.

Then, the probability of randomly selecting a group with 3 women is 28,336/73,815=0.3838

The correct option is the first one.

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Which two consecutive whole numbers does StartRoot 39 EndRoot lie between? Why? 5 and 6 because 39 falls between 52 = 25 and 62
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Square root 39 = 6.24

The two consecutive numbers would be between 6 and 7

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jok3333 [9.3K]

Answer:

go to inspect and you can find all the answers there

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3 years ago
Brain and Zach went to village grille for lunch. Brian's lunch cost $4 less than 3 times Zach's. The total cost for lunch was $2
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Answer:

The cost for Zach's lunch is 12, and for Brain's lunch it cost 8.

Step-by-step explanation:

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If the area of one of the faces is 4, and there are 37 faces ,what is the surface area for the figure?
maxonik [38]
Surface area= sum of all the areas of the shapes that cover an object
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