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zysi [14]
2 years ago
15

In △ABC, centroid D is on median AM¯¯¯¯¯¯¯¯¯. AD=x+4 and DM=2x−4. Find AM. Group of answer choices 13 4 6 12

Mathematics
1 answer:
Iteru [2.4K]2 years ago
7 0
Wyeowowwiw 10282837373
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Pls please help me ASAP!!!
oksian1 [2.3K]

Answer:

z = 0

Step-by-step explanation:

3 (z + 7) = 21

3z + 21 = 21

3z = 0

z = 0

8 0
2 years ago
Please help and explain!
Scrat [10]
K is the slope of the line formed by connecting the points.
Use slope formula:
\frac{y_2 - y_1}{x_2 - x_1}
where the 2 points are the end points of the line (First and last going Left to right)
(x_1,y_1) = (2,7)  \\ (x_2,y_2) = (8,28)
Substitute into slope formula
k= \frac{28-7}{8-2} = \frac{21}{6} = \frac{7}{2}
You can check if this is correct by going back to graph and going "up 7" and "over 2" to get from one point to the next.
5 0
3 years ago
Ollie is catering a dinner party for more than 26 guests. Each guest has a choice between a vegetarian dinner or a steak dinner.
Ratling [72]
Using the graph that is included, look at the points given. For example (30, 3). There would be 30 vegetarian dishes and 3 steak dinners for a total of 33 meals. If that is plugged into the cost equation 20(30)+3(30) it would equal $690. The next point (33, 1) would cost 20(33) + 30(1) = $690 and but gives 34 meals. However, 34 vegetarian meals would only cost 20(34)=$680 and have 34 meals. 

If both types of meals need to be purchased, 33 vegetarians and 1 steak. If only vegetarians are purchased, the cost is cheaper by $10. 
5 0
3 years ago
Prove cos a = 5/13 pls solve it and no link pls..........​
Scorpion4ik [409]

<u>Answer</u> : The demonstration is below :)

Step-by-step explanation :

<u>We use Pythagoras' </u><u>theorem </u><u>:</u>

  • In the triangle ABC we have :

AB² = AC² - BC² = 15² - 9² = 144 = 12²

  • In the triangle ABD we have :

DB² = AD² - AB² = 13² - 12² = 5²

cos(a) = BD/AD = 5/13

3 0
2 years ago
Please answer this question !! 20 points and brainliest !! Thank you !!
Vaselesa [24]

Answer: No

(2,3)

y = 2x-4

3 = 4- 4

3 =/ 0

4 0
3 years ago
Read 2 more answers
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