brinethery
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 Brigitta Nethery
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Questions Answered

brinethery:
Group Title
A block with mass m1 = 8.6 kg is on an incline with an angle θ = 35.0° with respect to the horizontal.
The coefficients of friction are: …
 updated one year ago
 7 replies
 1 Medal
Mathematics

brinethery:
Group Title
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2695.0 m/s in a per…
 updated one year ago
 13 replies
 2 Medals
Mathematics

brinethery:
Group Title
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2695.0 m/s in a per…
 updated one year ago
 11 replies
 2 Medals
Mathematics

tetsirou:
Group Title
Angled Projectiles:
A quarterback stands 5m behind a receiver. He throws the football at 8 m/s at an angle of 40° and wants the receiver to …
 updated one year ago
 20 replies
 1 Medal
Mathematics

brinethery:
Group Title
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.5 times the…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

BreakingDawn:
Group Title

 updated one year ago
 2 replies
 No Medals Yet
Mathematics

brinethery:
Group Title
A mass m1 = 5.3 kg rests on a frictionless table. It is connected by a massless and frictionless pulley to a second mass m2 = 3.2 kg that ha…
 updated one year ago
 8 replies
 1 Medal
Mathematics

brinethery:
Group Title
Now the elevator is moving downward with a velocity of v = 2.1 m/s but accelerating upward with an acceleration of a = 4.6 m/s2. (Note: an …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Whimsical:
Group Title
how do you integrate (sin(x))^2 without using the trigo identity cos(2x)=12(sin(x))^2
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

thejoshfish:
Group Title
Solve the following system.
4x^2 + 9y^2 =72
…
 updated 2 years ago
 49 replies
 5 Medals
Mathematics

Ady790:
Group Title
Solve this quadratic equation using the quadratic formula.
x2 + 8x  5 = 0
…
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

brinethery:
Group Title
Find the matrix of the linear transformation T(f(t)) = f(2t+1) from P2 to P2 with respect to the basis B (script B) = (f1 = 1 +2t^2, f2=1, f…
 updated 2 years ago
 53 replies
 1 Medal
Mathematics

brinethery:
Group Title
Find a basis for the space V of all skewsymmetric 3x3 matrices. What is the dimension of V?
 updated 2 years ago
 75 replies
 2 Medals
Mathematics

brinethery:
Group Title
Given that T is a linear transformation, derive a formula for T.
 updated 2 years ago
 25 replies
 4 Medals
Mathematics

brinethery:
Group Title
Find scalars a, b, c, d, e, f, and g so that the matrix A is orthogonal.
 updated 2 years ago
 46 replies
 2 Medals
Mathematics

brinethery:
Group Title
Statics question: Trusses
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

purplespottyfish:
Group Title
three forces (and no others) act upon an object, which remains at rest. the forces are represented by the vectors P, Q and R where P=4i5j …
 updated 2 years ago
 11 replies
 1 Medal
Mathematics

Faman39:
Group Title
describe the Theory of the Origin of Life
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

JoBo:
Group Title
Please Help me with this Calculus Problem
…
 updated 2 years ago
 15 replies
 1 Medal
Mathematics

Lili24:
Group Title
Multiply. Write the answer in scientific notation.
(5 × 103)(6 × 104)
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

ewokkman1:
Group Title
Which is the slope and yintercept of the following equation?
y = 8x + 1
 updated 2 years ago
 19 replies
 3 Medals
Mathematics

ChrisV:
Group Title
Find the derivative of f(x)=5x5
 updated 2 years ago
 8 replies
 4 Medals
Mathematics

unmathguy:
Group Title
Consider the paraboloid z=f(x,y)= 4+x^2+3y^2 . Beginning at (3,4,61) on the surface, find the path in the xyplane that points in the direct…
 updated 2 years ago
 12 replies
 3 Medals
Mathematics

kk1022:
Group Title
Determine an expression for the cost
 updated 2 years ago
 29 replies
 4 Medals
Mathematics

Jinnie:
Group Title
find the inverse of function 2x + 4/3x 1
 updated 2 years ago
 15 replies
 3 Medals
Mathematics

kk1022:
Group Title
How to use the t, O, n symbols in T183+ calculator??
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

kevin8374:
Group Title
solve for r
r^2+3r=8
…
 updated 2 years ago
 29 replies
 3 Medals
Mathematics

mscrosscountry:
Group Title
Simplify. Express the quotient as a rational exponent.
x to the 4 fifths power over x to the 1 third power
 updated 2 years ago
 17 replies
 3 Medals
Mathematics

mscrosscountry:
Group Title
Simplify. Express the product as a radical expression.
cubed root of x squared times fourth root of x
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

SUROJ:
Group Title
when to use cross and when to use dot product of vector?
 updated 2 years ago
 5 replies
 1 Medal
Mathematics
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