teamzomaxx6584
22.11.2019 •
Mathematics
Identify the values of a, b, and c that would be used in the quadratic formula to solve the equation −9x = 13 − 5x2.
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Ответ:
5x^2-9x-13=0
a=5 b= -9 c= -13
disctirminant=b^2-4ac
disctirminant = (-9)^2-4.5. (-13)
disctirminant = 81+260
disctirminant =341
Ответ:
76017.69 mm²
631000 mm³
295045.04 mm³
Step-by-step explanation:
Surface area = bh + 2ls + lb
Since the sides of the triangular prism are equal (equilateral triangle) = 60 mm each
Height = 405 mm
The surface area of triangular = 76017.69 mm
The volume of triangular prism :
1/2 * base * height * length
Volume = 631000 mm³
If amount of chocolate inside = 335954.96 mm3
Empty space =
Volume of triangular prism - amount of chocolate inside
631000 - 335954.96
= 295045.04 mm³