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Ierofanga [76]
3 years ago
12

What is the perimeter of triangle ABC with the vertices A(-2,9), B(7,-3),C(-2,-3) in the coordinate plan

Mathematics
1 answer:
Anastaziya [24]3 years ago
4 0
D.................................36 unts
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After a storm, two street lights with the same length are leaning against each
Ray Of Light [21]

Answer:

c = 4.79 feet

Step-by-step explanation:

Given question is incomplete without a picture; find the question with the attachment.

Two poles AD and DB of same length are leaning against each other.

Distance between the poles (AB) = 45 feet

m(∠ADB) = 180°- (60 + 50)°

               = 70°

By sine rule,

\frac{sin50}{AD}=\frac{sin70}{45}=\frac{sin60}{DB}

AD=\frac{45\times (sin50)}{sin70}

      = 36.68 ft

Similarly,

DB = \frac{45\times sin60}{sin70}

     = 41.47 ft

Now c = DB - AD

           = 41.47 - 36.68

           = 4.79 feet

4 0
3 years ago
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kondaur [170]

Answer:

16

Step-by-step explanation:

The triangle AEC is a right triangle and 2 sides are already filled in.

The hypotenuse is 10 and one side is 6.

So, this is a 3-4-5 right triangle.

Thus, the remaining side EC is 8.

Since EC is congruent to ED, then segment CD is 8+8=16

4 0
3 years ago
Are used car was purchased for 7,800 one year later it was worth 6,400 what is the percentage depreciation
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Step-by-step explanatio 16%

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I could use some help!!
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Answer:

84

Step-by-step explanation:

The interquartile range is obtained using the relation :

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Interquartile range (IQR) = Q3 - Q1 = 96 - 12 = 84

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