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mart [117]
2 years ago
5

Urgent!

Mathematics
1 answer:
Novay_Z [31]2 years ago
3 0

Answer:

Segment BF = 15

Step-by-step explanation:

Segment DE is parallel to segment BC

Segment EF is parallel to segment AB.

Because segment EF is parallel to segment AB, triangles ADE and EFC are proportional. We must find the scale factor which these two triangles are proportional.

24 ÷ 20 = 1.2

Scale Factor = 1.2

18 ÷ 1.2 = 15

Segment EF is parallel to segment AB so segment EF is congruent to segment DB.

hope this helps! ps. im very sorry about the previous wrong question, but i hope this is right (,,>﹏<,,) xx

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Solve the equation -31=-6z-4z
jok3333 [9.3K]
<span>-31=-6z-4z
Subtract 4z from -6z
-31=-10z
Divide both sides by -10
Final Answer: 3.1 or 3 1/10</span>
8 0
3 years ago
A huge Ping-Pong tournament is held in Beijing with 65,536 participants at the start of the tournament. Each round of
lisabon 2012 [21]

Answer:

After 16 rounds the champion of Ping-Pong player can be determined.

Step-by-step explanation:

This is an example of geometric progression,

First term = 65,536

\texttt{Common ratio = }\frac{1}{2}

Now we need to find which term is 1 in this GP.

N th term of GP is given by

             t_n=ar^{n-1}

Substituting

               1=65536\times \left ( \frac{1}{2}\right )^{n-1}\\\\\frac{1}{65536}=\left ( \frac{1}{2}\right )^{n-1}\\\\2^{n-1}=65536\\\\2^{n-1}=2^{16}\\\\n=17

Seventeenth term of this GP is 1.

That is after 16 rounds the champion of Ping-Pong player can be determined.

3 0
4 years ago
What is the slope of the line that contains these points?
seraphim [82]

Answer:

8.

Step-by-step explanation:

The slope =

difference in y coordinates of 2 points / difference in coordinates of corresponding x coordinates.

So taking the first 2 points:

The slope =  (18-10) / 0 - (-1)

= 8/1

= 8.

This is confirmed by slope between the second and third points

slope = 26-18/ (1-0) = 8.

8 0
3 years ago
Free brainliest and what is 21/7?
astraxan [27]

Answer:

if your dividing then 3 but if you want 21 sevenths as a mixed number then it would be 3.

Step-by-step explanation:

to find the quotient, you need to find out what multiplied by 7 gives you 21. (thats easy 3) so there is your answer. to find the mixed version of 21 sevenths you need to divide 21 by 7 ( literally what  i just showed...) and you get 3.

<u><em>HOPE THIS HELPS!!!</em></u>

5 0
3 years ago
Read 2 more answers
Helppp me out please :)))) i’ll mark as brainlist who ever gets it right :)
shepuryov [24]

Answer:

y=-6

Step-by-step explanation:

8 0
3 years ago
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