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alex41 [277]
2 years ago
5

Pleaseeee helpppppppppp

Mathematics
1 answer:
Georgia [21]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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Hey guys I need help plz asap
Ilya [14]
Answer:

Explanation:

AB = BC
=> Triangle ABC is an Isosceles Triangle
Thus, Angle C = Angle A
DE = BE
=> Triangle DEB is an Isosceles Triangle
Thus, Angle D = Angle B

Proof that triangle ABC and DEB are similar:

Angle DBE = Angle A (corresponding angle)
Angle BDE = Angle C (Both Triangle are Isosceles, if one pair of the angle are equal then the other pair should also be equal)

=> Triangle ABC ~ Triangle DEB (AA)

Therefore, Angle E = Angle B

Find angle B:

Angle C + Angle A + Angle B = 180
40 + 40 + angle B = 180
Angle B = 180 - 80
Angle B = 100 degree

But Angle B = Angle E = 100 degree

Therefore, Angle E = 100 degree
3 0
3 years ago
Whats the sum of -7x*y + 4x^2 - 2 and 4x'y + 1 - 8x^y?
matrenka [14]

Answer:

-7xy+4x^2-8 and y+1-8x^y

Step-by-step explanation:

8 0
3 years ago
Use the drop-down menus to complete the statements to match the information shown by the graph
Tresset [83]

Answer:what are answer choices

Step-by-step explanation:

4 0
2 years ago
Which statement is true about the quadratic equation 8x2 – 5x + 3 = 0?​
Artyom0805 [142]

Answer:

c. the leading coefficient is 8

Step-by-step explanation:

4 0
3 years ago
The length of the rectangle is twice its width. Write and solve a system of linear equations to find the length L and width W of
vazorg [7]

Answer:

The length is equal to 12 and the width is equal to 6.

Step-by-step explanation:

In order to find the values here, we start by setting the width equal to x. Now knowing this, we know that the length is twice that long. Therefore, the length would be equal to 2x. Now we can use the perimeter formula to solve the equation.

2L + 2W = P

2(2x) + 2(x) = P

4x + 2x = 36

6x = 36

x = 6

Now with the given value for x, we can tell that the width is 6 and then we multiply it by 2 to get the length value (12).

7 0
3 years ago
Read 2 more answers
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