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aleksandrvk [35]
3 years ago
10

38. Calculate the value of c in the triangle below.

Mathematics
2 answers:
olchik [2.2K]3 years ago
7 0

Answer:

15

Step-by-step explanation:

a^2 + b^2 = c^2

9^2 + 12^2 = 225

\sqrt{225}  = 15

Hope this helps!!

Liono4ka [1.6K]3 years ago
5 0
Answer: 15
Step by step:
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3 years ago
Y=1/4x−2y=−2x+3 help solve problem.
8_murik_8 [283]

Answer:

  (x, y) = (2 2/9, -1 4/9)

Step-by-step explanation:

Equate the values of y and solve for x.

  1/4x -2 = -2x +3

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7 0
2 years ago
How to solve Y = eight, X =2 and direct variation
rodikova [14]

Answer:

The answer is k = 4.

Step-by-step explanation:

Given:

Y = 8 and X = 2.

Now, to solve direct variation.

y direct with x.

Now, using equation to solve direct variation:

y=kx

8=k\times 2

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Therefore, the answer is k = 4.

5 0
3 years ago
Please solve! I will mark brainliest if correct!
a_sh-v [17]
Hello,

So we can first assign HD videos and classic videos to specific variables, x is HD videos and y is classic videos.

Fiona bought 5 HD videos, and 2 classic videos for 31 dollars.
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Iliana bought 3 HD videos and 5 classic videos for 30 dollars.
3x + 5y = 30

Therefore, the final answer is choice D, 5x + 2y = 31 and 3x + 5y = 30. 
8 0
3 years ago
Read 2 more answers
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