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3 years ago

8

Hal forgot the number of people at the basketball game.He does remember that the number had four digits and a 3 in the tens plac

e. write a number that Hal could be thinking of.

2 answers:

Greeley [361]3 years ago

5 0

There are a lot of numbers you can think of, for example, 1030, or even 9939, but I don't recommend you put that ;)

Mars2501 [29]3 years ago

3 0

Answer:

Number of People in the basketball game =A four digit number having 3 in the tens place.

Total number of digits in all={0,1,2,3,4,5,6,7,8,9}=10

So, Required Number,that is number of people at the basketball game which is a four digit number,also digits can repeat

=(0 can't be at Unit place ,so first digit that is number at thousands place can be selected in 9 ways)(Number at Hundred place can be selected in 10 ways )(3 in tens place)( Number at Unit place can be selected in 10 ways )

=9939(Maximum People)

Total number of four digit numbers , if these condition are given

=9×10×1×10

=900

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Step-by-step explanation:

The triangles given are similar.

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Answer:

(a)= option 3

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Step-by-step explanation:

(A) It is given that a sequence is defined by the recursive function $a_{1}=1$ and $a_{n}=a_{n-1}+n$

Now, substituting the value of n=2 in above equation,

$a_{2}=a_{1}+2$

$a_{2}=1+2$

$a_{2}=3$

Again putting n=3,

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$a_{3}=3+3$

$a_{2}=6$

Putting n=4,

$a_{4}=a_{3}+4$

$a_{4}=6+4$

$a_{4}=10$

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$a_{5}=a_{4}+5$

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$a_{6}=a_{5}+6$

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Putting n=7,

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Hence, the fifteenth term is 81920.

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5 0

3 years ago