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JulsSmile [24]
3 years ago
11

Complete the question.

Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0

Answer:

6

Step-by-step explanation:

You are looking for the cross section of ask three circles. This is true for the smallest part, with the number 6 in it.

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Answer this and add work, show all work for math. :P
Andreyy89
Lines are in the form y=mx+b, where m is the slope and b is the y-intercept.  This line is thus y=9/4x-14, so C is correct.  Multiplying by four, we get 4y=9x-56.  Adding 56 and subtracting 4y, we see that 9x-4y=56, and multiplying by -1, we get 4y-9x=-56, so A is also correct.  At this point, it is clear that B and D are incorrect, so A and C only are correct.
8 0
3 years ago
Read 2 more answers
What is the 20th term of the linear sequence?<br><br>1,7,13,19,25
Nimfa-mama [501]

Answer:

115

Step-by-step explanation:

There is a common difference d between consecutive terms, that is

d = 7 - 1 = 13 - 7 = 19 - 13 = 25 - 19 = 6

This indicates the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 1 and d = 6 , thus

a₂₀ = 1 + (19 × 6) = 1 + 114 = 115

4 0
2 years ago
Of the 9-letter passwords formed by rearranging the letters AAAABBCCC (4 A's, 2 B's, and 3 C's), I select one at random. Determi
Tanya [424]

Answer:

a) 3

b) (8!/9!)-(7!/9!)

c) (1-(8!/9!))*(7!/9!)

Step-by-step explanation:

a)With 4 As ;  2Bs and 3Cs it is possible to get a palindrome if you fixed the  letters C according to: (2) in the extremes of the word and the other one at the center therefore you only have palindrome in the following cases

<u>C</u> (       ) <u>C</u> (       ) <u>C</u>

To fill in the gaps we have  4 letters  A and 2 letters B, wich we have two divide in two palindrome gaps,  

AAB         and    BAA the palindrome is  C  AAB C BAA C

BAA         and    AAB    "           "           is  C  BAA C AAB C  

ABA         and    ABA    "           "           is  C  ABA C ABA C

b) 4 A  ;   2B  ; 3C

We have the total number of elements  9, so the total number of possible outcomes is : 9!

Total events: 9!

if we fixed 3 C we have (the group of 3 Cs becoming one element) so the total amount of events with 3 adjacent Cs is: 7!

Therefore the probability of having 3 adjacent Cs is: 7!/9!

If we fixed only 2 Cs we have:

4 A  ; 2 B  ; 2C  : 1C

Total number of words (events) in this case is 8! (2C becomes 1 element)

so the total numbers of events is 8! the probability in this case is 8!/9!(this value includes cases of adjacent 3 Cs previous calculated ) so this value minus the case of 3 adjacent Cs ) give us 2 adjacent C and the other no next to them

Probability (of words with 2 adjacent Cs and the other no next to them is); 8!/9! - 7!/9!

c) Probability of B apart from each other is the whole set of events minus those where 2 B are adjacent or (become 1 element)

4 A ; 2B ; 3C

Total of events 9! and events with adjacent B is 8!/9!

Therefore the probability of words with 3 adjacent Cs and 2 B separeted is

the probability of 3 adjacent Cs (7!/9!) times probability of words with no adjacent Bs wich is (1-(8!/9!))*(7!/9!)

5 0
3 years ago
Triangle angle-sum theorem <br> what is the value of u?
telo118 [61]

Answer:

u = {\boxed{\sf{\: 3 \:}}}⁰

Step-by-step explanation:

  • As we know that the sum of interior angles of triangle is 180⁰.

So, according to the question :

\begin{gathered} \qquad{\longrightarrow{\sf{Sum \:  of  \: all \:  angles =  {180}^{\circ}}}}\\\\ \qquad{\longrightarrow{\sf{{74}^{\circ} +  {52}^{\circ} + 18u =  {180}^{\circ}}}}\\\\\qquad{\longrightarrow{\sf{{126}^{\circ} + 18u =  {180}^{\circ}}}}\\\\\qquad{\longrightarrow{\sf{18u =  {180}^{\circ} -  {126}^{\circ}}}}\\\\\qquad{\longrightarrow{\sf{18u =  {54}^{\circ}}}}\\\\\qquad{\longrightarrow{\sf{u = \dfrac{54}{8}}}}\\\\\qquad{\longrightarrow{\sf{u =  {3}^{\circ}}}}\\\\ \qquad\star{\underline{\boxed{\frak{\pink{u =  {3}^{\circ}}}}}}\end{gathered}

Hence, the value of u is 3⁰.

\rule{300}{2.5}

7 0
2 years ago
In this diagram, which equation could you prove to be true in order to conclude that the lines are parallel?
DENIUS [597]

Answer:

<em>Choice B</em>

Step-by-step explanation:

The slopes must be equal.

m = (c - a)/b

m = d/e

Answer: Choice B

5 0
3 years ago
Read 2 more answers
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