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Salsk061 [2.6K]
3 years ago
13

Find the vertex of parabola y=-2x^2-20x-48

Mathematics
2 answers:
enyata [817]3 years ago
6 0
(-5,2) Is the answer hope this helps mate =)
Volgvan3 years ago
3 0
The right answer is (-5,2) 
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In how many ways can a committee of 5 people be chosen from a total of 30 possible people?
Stolb23 [73]

Answer:  142506

Step-by-step explanation:

Given : The total number of choices for people in committee = 30

The number of people need to be chosen =5

Since , here order doesn't matter, so we use combination.

The combination of r things taking from n at a time is given by :-

C(n,r)=\dfrac{n!}{(n-r)!r!}

Now, the number of possible combinations of 5 people be chosen from a total of 30 possible people :-

C(30,5)=\dfrac{30!}{(30-5)!5!}\\\\=\dfrac{30\times29\times28\times27\times26}{120}\\\\=142506

Hence, the committee can be made in 142506 ways.

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sveta [45]
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The total area of the house-shaped figure is 300 sq ft.

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What's the answer ? To this problem
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