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andreev551 [17]
3 years ago
5

​ Quadrilateral ABCD ​ is inscribed in this circle.

Mathematics
1 answer:
otez555 [7]3 years ago
4 0

Answer:

107

Step-by-step explanation:

First note that this quadrilateral is cyclic.

One property of cyclic quadrilaterals is that opposite angles add up to 180.

since B and D are opposite angles, we can add them and set that to 180. we get that 5x+5=180, so x=35. Now, substituting 37 for x for all the angles, we get

A=73

B=66

D=114

To find C, notice that A and C are opposite angles. This means they add up to 180

73+C=180, C=107

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-40 divided by what makes -4
brilliants [131]

Answer:

+10

Step-by-step explanation:

The law of integers states that a negative number divided by a negative integer would result in a positive integer, therefore;

-40 / -4 = 10

Hope this helps!

3 0
3 years ago
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Under what condition the composite function of any two function is an identity function?
Veseljchak [2.6K]

Answer:

under the condition of f(x)=x composite function is an identity one

6 0
3 years ago
Joseph owns v video games. Harry owns 10 fewer than two times the number of video games that Joseph owns. Which expression repre
Tomtit [17]

Answer:

v=30

Sure hope this helps you

8 0
2 years ago
ΔABC is dilated by a scale factor of 0.25 with the origin as the center of dilation, resulting in the image ΔA′B′C′. If A = (-1,
Leni [432]

Answer:

5

Step-by-step explanation:

To find B and C prime, you must multiply them by .25, or 1/4.


B' =  

(-2 x .25),(1 x .25)


I did mine in fraction form, because it will prove to be more useful in future mathematics.


B' = (1/2  ,  1/4)


Repeat the process with C.


C' =

(14 x .25),(17 x .25)


C' =

(7/2  ,  17/4)




You only need to focus on B and C because you are finding the length of B'C'.


The formula for distance is the square root of x to the sub of 2 minus x to the sub of 1 squared minus y to the sub of 2 minus y to the sub of 1 square.


x2 -  x1 =  7/2  -  1/2  =  6/2  =  3 squared  =  9


y2 - y1 = 17/4 - 1/4 = 16/4  =  4 squared = 16


16 + 9  = 25


Square root of 25 is 5.


Therefore, the distance is 5.


8 0
3 years ago
Can someone help me find the surface area​
Semenov [28]

Answer:

The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base.

if height equals 6.72 and width equals to 12.7 and length equals to 5.78,

Answer:

S = 395.1832 cm2

3 0
3 years ago
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