The roots of the quadratic equation are:
x = 0.74 - 0.6614i
x = 0.74 + 0.6614i
The given equation is:
2x² + 2 = 3x
Rearrange the equation
2x² -3x = -2
Divide through by 2
x² - (3/2)x = -1
x² - (3/2)x + (3/4)² = -1 + (3/4)²
(x - 3/4)² = -7/16
Square root both sides
x - 3/4 = √(-7/16)
x = 3/4 ± √(-7) / 4
x = 0.75 ± i√(7) / 4
x = 0.74 ± 0.6614i
Therefore, the roots of the quadratic equation are:
x = 0.74 - 0.6614i
x = 0.74 + 0.6614i
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For part a, yes because each student is paying the same amount
For part c, each student is paying $15 to go
For part d, it's $1800
For part e, it would be 95 students
Answer: 112 square feet
Step-by-step explanation:
(4*10)+(18*4)= 40+72=112
3. CAD: 90-64=26°
4. SOP: 180-76=104°
Answer:
384 cm
Step-by-step explanation:
Perimeter is the sum of all external sides. (do not mix this up with area. Perimeter is the easy one) :)
There are 4 external sides.
Top = bottom = 132 cm
Left = Right = 60 cm
Add all 4 sides:
2(132) + 2(60)
264 + 120 = 384 cm