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alisha [4.7K]
2 years ago
14

PLEASE HELP ASAP

Mathematics
1 answer:
Mashutka [201]2 years ago
3 0

Answer:

e

Step-by-step explanation:

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Find the area of the triangle defined by the coordinates (7, 1), (0, 10), and (9, 4). (To the nearest tenth)
slega [8]

Answer:

  C)  19.5 square units

Step-by-step explanation:

The area from coordinates can be computed as ...

  A = (1/2)|x1(y2 -y3) +x2(y3 -y1) +x3(y1 -y2)|

  = (1/2)|7(10 -4) +0(4 -1) +9(1-10)| = (1/2)|7·6 +9·(-9)|

  = (1/2)|-39| = 39/2 = 19.5

The area of the triangle is 19.5 square units.

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3 years ago
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The average cost of printing a book in a publishing company is c(x) =, <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5.5x%2Bk%7
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To find K, we must use the fact that
 on the day 200 books were printed
 the average cost was $ 9 per book.
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 9 = (5.5 (200) + k) / (200)
 Clearing K
 (200) * 9 = 5.5 (200) + k
 k = (200) * 9 - 5.5 * (200)
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Help me please I am so confused with this question!?!?!?!
BabaBlast [244]
The answer is 2, just follow the order of operations
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Hello ppl........help plz
olya-2409 [2.1K]

Answer:

Answer is A. 36x-11y

Step-by-step explanation:

34x-12x+14x-18y+7y

=22x+14x-18y+7y

=36x-11y

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