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2 years ago

Check all that apply. cote is undefined for e = __

Mathematics

1 answer:

Setler [38]2 years ago

5 0

Answer:

If this isn't right lmk and I apologize if I'm wrong.

Step-by-step explanation:

cot theta is undefined for 0 but is a periodic function so it will be again undefined for n

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Deidre is picking out some movies to rent, and she is primarily interested in documentaries and children's movies. She has narro

exis [7]

Answer: 6630

Step-by-step explanation:

Given , Number of documentaries = 17

Number of children's movies = 20

Total movies = 17+20=37

Number of combinations of r things taken out of things = $^nC_r=\dfrac{n!}{r!(n-r)!}$

Now, the number of different combinations of 3 movies can she rent if she wants at least one documentary

= (1 documentary+2 children's movies , 2 documentary+1 children's movies , 3 documentary+0 children's movies)

$=^{17}C_1\times^{20}C_{2}+^{17}C_2\times^{20}C_{1}+^{17}C_3\times^{20}C_{0}$

$=(17)\times\dfrac{20!}{2!18!}+\dfrac{17!}{2!15!}\times(20)+\dfrac{17!}{3!14!}(1)\\\\=3230+2720+680=6630$

Hence, the number of different combinations of 3 movies can she rent if she wants at least one documentary is 6630 .

3 0

3 years ago

What % of $30 is $21?

Black_prince [1.1K]

Answer:

Step-by-step explanation:

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3 years ago

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mario62 [17]

5+5 is ten............

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3 years ago

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True or false this number is written in scientific notation? <br> .2486 x 10^12

Scilla [17]

Answer:

It is true because scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.

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3 years ago

If my equation is ax^2+bx+c=0 how would the c end up on the right side and become -c?

Vaselesa [24]

By subtracting c on both sides

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3 years ago

Check all that apply. cote is undefined for e￼ = __

Check all that apply. cote is undefined for e = __