viniterranova
 Name:
 Vinicius Terrafirma
 School:
 Terranova Institut
 About:
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Questions Asked

viniterranova:
Group Title
A astronaut has 100 kg of mass. Unfortunately the mass of his body was spread out in a sphere. After that, the density inside the sphere is …
 updated 2 years ago
 30 replies
 2 Medals
Mathematics

viniterranova:
Group Title
Find a vector perpendicular to Oy axis. Knowing that v*v1=8 and v*v2=3. v1=(3,1,2) and v2=(1,1,1)
 updated 2 years ago
 21 replies
 3 Medals
Mathematics

viniterranova:
Group Title
1) Given the equation f (x) = 2*(x1)^ using the definition of derivative, to find, The slope of the tangent to the graph f (x) at point (x…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
given the vectors u and v such that abs (u) = 3 and abs (v) = 5, determine the scalar product of (uv)
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

viniterranova:
Group Title
Find the equation of the line tangent to the curve y = 2  (1/3x) ^ 2 which is perpendicular to the line xy = 0.
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
Consider the rectangle ABCD, where abs(AB)=3, abs(BC)=4, and abs(AB+BC+CD)=5.
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

viniterranova:
Group Title
Usint the epsilon delta definition evaluate limit x>3 x^2=9, where epsilon = 0,005.
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
Using the epsilon delta definition proof the limit x>2 (2x^2+5x+3).
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

viniterranova:
Group Title
Using the epsilon dela definition show that
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
(x +1) / (2x) < 4
 updated 2 years ago
 16 replies
 1 Medal
Mathematics

viniterranova:
Group Title
What´s is the solution for this inequality ((x1)(3  x)) /( x+2) > 0 ?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

viniterranova:
Group Title
Solve the equation, 2^(x+1)2^(x1)+2^(x3)2^(x4)=50.
 updated 2 years ago
 4 replies
 6 Medals
Mathematics

viniterranova:
Group Title
Solve the equation 2^(x4)=50.
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

viniterranova:
Group Title
Proof that a^2>0=>a>0.
 updated 2 years ago
 8 replies
 6 Medals
Mathematics

viniterranova:
Group Title
Prove that a^2>0implies that a>0
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

viniterranova:
Group Title
x=sqrt(7+4sqrt3)+sqrt(74sqrt3)
 updated 2 years ago
 26 replies
 2 Medals
Mathematics

viniterranova:
Group Title
What´s the answer for 4/3x=2u+4v. Knowing that u and v are vectors?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

viniterranova:
Group Title
Find the triangle area with these vectors A (1,1,0), B (0,2,2), C (1,31).
Consider that the triangle
…
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

viniterranova:
Group Title
In a division where the divisor is 805, and the quotient is 209 and the
196 is the rest, what is the dividend? @Mathematics
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
A tank has two taps that can fill it
within 24 hours and 30 hours respectively, and a drain that
empties in 16 hours. If we open simultan…
 updated 3 years ago
 11 replies
 4 Medals
Mathematics

viniterranova:
Group Title
A question about Analytical Geometry
 updated 3 years ago
 5 replies
 1 Medal
Mathematics

viniterranova:
Group Title
Two boys are going to play dice...
 updated 3 years ago
 6 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
derivate (x^(1/3)+x)/(x^(1/2))
 updated 3 years ago
 12 replies
 2 Medals
Mathematics

viniterranova:
Group Title
Find the derivative of x^2+ 3x tg x
 updated 3 years ago
 8 replies
 1 Medal
Mathematics

viniterranova:
Group Title
Given the vectors A (m, 1, 0) , B(m1, 2m, 2) e C(1,3,1). They are vertex of a rectangle triangle. find the value for m variable in the wa…
 updated 3 years ago
 7 replies
 No Medals Yet
Mathematics

viniterranova:
Group Title
Given the vectors A (m, 1, 0) , B(m1, 2m, 2) e C(1,3,1). They are vertex of a rectangle triangle. find the value for m variable in the wa…
 updated 3 years ago
 No Medals Yet
Mathematics

viniterranova:
Group Title
Find the vector v, and its magnitude is 5. v is orthogonal to x axis, and the dot product v.w = 6, and the vector w=i+2j.
 updated 3 years ago
 28 replies
 2 Medals
Mathematics

viniterranova:
Group Title
Find the vector <v>, knowing that its modulus is 5, and it is orthogonal to x axis. and <v>.<w>=6 and <w>=i+2j
 updated 3 years ago
 3 replies
 No Medals Yet
Mathematics
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