Answer:
4x+172
Step-by-step explanation:
x+54 +3x+28+90
Combine like terms
x+3x + 54+28+90
4x + 172
Answer:
Step-by-step explanation:
From the upper isosceles triangle,
The answer is: x=±√5y [Note: If and only if at the lower triangle is NOT isosceles]
Exterior angle to the isosceles triangle = 2(2x^2 – 2x) [because the exterior angle of a triangle is equal to the sum of two opposite interior angles]
Therefore, the exterior angle = 4x^2 – 4x
Also,
The exterior angle is equal to the sum of the two interior base angles of the lower triangle
Thus, 4x^2 – 4x=(3x^2+4x) + (5y – 8x)
By collecting like terms,
4x^2 – 3x^2 – 4x – 4x + 8x – 5y = 0
x^2 – 5y = 0
x^2 = 5y
By taking the square root of both sides
x=±√5y
Learn more about triangles at brainly.com/brainly.com/question/29069807
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80-29.66=?
?/8.39 and when u solve 80-29.66 then you divide that by 8.39
9514 1404 393
Answer:
yes
Step-by-step explanation:
The payments 1, 2, 4, ... have a common ratio of ...
r = 2/1 =4/2 = 2
This is characteristic of a geometric sequence.
The payments of plan 2 form a geometric sequence.
