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Marina CMI [18]
3 years ago
12

The lengths of a triangle are given below is the triangle obtuse acute or right ? 11,12,15

Mathematics
2 answers:
andriy [413]3 years ago
6 0
Yes that is the answer
zhenek [66]3 years ago
3 0

Answer:

it is right

Step-by-step explanation:

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Give EG = 5x+7 EF =5x and FG=2x-7
Len [333]

Answer:

x = 7

42, 35, 7

Step-by-step explanation:

  • EG = 5x+7
  • EF = 5x  
  • FG = 2x-7

Point F is on line segment of EG, therefore EG = EF + FG

  • 5x + 7 = 5x + 2x - 7
  • 2x = 14
  • x = 7

Then

  • EG = 5*7 + 7 = 42
  • EF = 5*7 = 35
  • FG = 2*7 - 7 = 7
7 0
3 years ago
Which expressions are equivalent to −tan⁡ θ?
zzz [600]

Answer:

−1/cotθ

1/cot(−θ)

tan(−θ)

Step-by-step explanation:

The tangent function is a the ratio for an angle defined as opposite / adjacent.  A negative applied to −tan⁡ θ will give the opposite value. This is also true for the function when taken on a negative angle. tan(−θ) = −tan⁡ θ. This identity is also true for sin, sec, and cot. Recall that cotangent is the reciprocal of tangent and is defined as the ratio adjacent / opposite. Taking the reciprocal of cotangent will be the same as tangent. Using this information the following are equivalent:

1/cotθ

−1/cotθ  ----> The reciprocal of Cot is Tan

1/cot(−θ) ----> The reciprocal of Cot is Tan and cot(−θ) = −cot⁡ θ.

−1/cot(−θ)

tan θ

tan(−θ)----> tan(−θ) = −tan⁡ θ

7 0
3 years ago
-2 (4t-3)+6t=5t-2 solve
ElenaW [278]
-8t+6+6t=5t-2
-2t+6=5t-2
-2t-5t=-2-6
-7t=-8
-7 -7
T=1.14 or 1 1/7
8 0
3 years ago
Tell me ur name for 100 points.
notsponge [240]

Answer:

Kane

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A ski lodge keeps records of the snow falling and melting. The 1st day, there were 18". The 2nd day, it melted 2". The Next day
vodka [1.7K]

Answer:

2 inches

Step-by-step explanation:

2x2=4

4x2=8

8x2=16

18-16=2

8 0
3 years ago
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