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ipn [44]
3 years ago
6

Please Hurry!!

Mathematics
2 answers:
Trava [24]3 years ago
6 0

Answer:

Step-by-step explanation: Not completely sure but i think the answer is 11

Lady_Fox [76]3 years ago
5 0

Answer:

11

Step-by-step explanation:

A trapezoid is quadrilateral where 2 sides are non parallel and the other two sides are parallel.

An Isosceles Trapezoid consists of non parallel sides having the same angle between the base and top. Here we do not know the other two angles so we have applied the following theorem:

In a trapezoid the sum of the angles on the same side is equal to 180°

So,

9x+7x+4 = 180

⇒16x+4 = 180

⇒16x = 180-4

⇒16x = 176

⇒x = 176/16

⇒x = 11

∴ The value of x is 11

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Find the value of the expression given below. 2/3-1/7
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Step-by-step explanation:

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3 years ago
Which is the soluction of x/5 - 10 = 20?<br>A x = 2 <br>B x = 6<br>C x = 50<br>D x = 150
ololo11 [35]

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7 0
2 years ago
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Someone help me with these two. I'll give you brainliest and 25 points!! MATHEMATICIANS OUT THERE HELP
mixer [17]
Hello LovingAngel!

To find the slope, you can use the formulas \frac{rise}{run} as well as \frac{y^2-y^1}{x^2 - x^1}. I am using the latter to calculate and ensuring my answer with the former. 

[Note: (x,y) is the format for ordered pairs]

First pair:  value 1:(1,5) and value 2:(2,8) 
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\frac{y^2-y^1}{x^2 - x^1} -> \frac{-1 - 1}{3 - 3} -> \frac{-2}{0}
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Checking work with \frac{rise}{run}
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2. Slope: -2/0, meaning rise (y) -2/drop (y) 2 and run 0. (3,1) -> (3 + 0, 1 + -2) -> (3,-1) <span>✔</span>

6 0
2 years ago
How to work out an angle using cosine. three sides are; 8,19,12.
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7 0
3 years ago
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