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Viktor [21]
3 years ago
14

Given thatX2: (20 – 3x) = 1 : 2find the possible values of x.​

Mathematics
1 answer:
hammer [34]3 years ago
6 0

Answer:

Step-by-step explanation: x^2 : (20 - 3x) = 1 : 2

2x^2 + 3x - 20 = 0

(x + 4)(2x - 5) = 0

Solution:

x = -4

x = 5/2

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Can someone help me please? Am I right or no?
Juliette [100K]
The figure consists of three objects, a rectangle, a trapezoid, a triangle

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a₁ = l × w
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Find the area of the trapezoid
The base of trapezoid is 31 in and 16 in, and the height is 35 - 20 = 15 in.
a₂ = 1/2 × (a + b) × h
a₂ = 1/2 × (31 + 16) × 15
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Find the area of the triangle
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