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Lapatulllka [165]
3 years ago
6

Chords AB and CD intersect at point E . According to the diagram, which pair of numbers could represent lengths of segment CE an

d DE?
Mathematics
2 answers:
ankoles [38]3 years ago
6 0

Answer:

D) 3 and 8

Step-by-step explanation:

slava [35]3 years ago
3 0
The answer is D - 3 and 8 :)

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Divde the square roots of 121 by the product of the Square roots of 25 and 4
Pavel [41]

Answer:

1.1

Step-by-step explanation:

\frac{ \sqrt{121} }{ \sqrt{25} \times  \sqrt{4}  }  =  \frac{11}{5 \times 2}  =  \frac{11}{10}  = 1.1

7 0
3 years ago
Calculate the coefficient of x4y18 in the expansion of (x − y)22
Oksana_A [137]
Binomial theorem:

(x-y)^n=\displaystyle\sum_{k=0}^n\binom nkx^k(-y)^{n-k}

The term with x^4y^{18} corresponds to n=18+4=22 and k=4 (or k=18, since \dbinom nk=\dbinom n{n-k}).

So, the coefficient of this term is

\dbinom{22}4(-1)^{18}=\dbinom{22}4=\dfrac{22!}{4!(22-4)!}=7315
4 0
3 years ago
Factor the polynomial.
dmitriy555 [2]

Answer:

The answer is B.

Step-by-step explanation:

Hope this helps! Have an Amazing day!!

3 0
3 years ago
67?96 A.> B.not equal to C.= D.less that or equal to E.< F. greater than or equal to choose all that apply please.
slega [8]
B because 67 is not equal to 96
E because 67 is less than 96
6 0
3 years ago
I need help with 9 and 11. im bein stupid today :/
tekilochka [14]
First of all, ur not stupid, ur brain is just tired.
9.
9.37
9.3
9.219
9.129
11.
5.312
5.231
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5.123
7 0
3 years ago
Read 2 more answers
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