Geo777
05.10.2019 •
Mathematics
Solving quadratic equation
(2m+3)(4m+3)=0
Solved
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Ответ:
Multiply 2m by 4m to get 8m^2. Multiply 2m by 3 to get 6m. Multiply 3 by 4m to get 12m. Add the 6m and 12m to make 18m. Multiply 3 by 3 to get the integer 9. Set it all equal to 0.
Ответ:
A cylinder in which h = 12 and d = 12 has a volume of 432π in^3; therefore, Wilson is incorrect.
Step-by-step explanation:
Volume of a cone (V) = 1/3πr^2h
h (height) = 3V/πr^2
V = 144π in^3
r = D/2 = 12/2 = 6 in
h = 3×144π/π×6^2 = 432/36 = 12 in
Volume of a cylinder (V) = πr^2h
r = D/2 = 12/2 = 6 in
h = 12 in
V = π×6^2×12 = 432π in^3
Wilson is incorrect because the volume of the cone (144π in^3) is not the same as the volume of the cylinder (432π in^3) though the height and diameter of the cone and cylinder are the same.