11/16/23

Don't know how to answer
(a) Use the following definition to find an expression for the area under the curve y=x^3 from 0 to 3 as a limit.The area A of the region S that lies under the graph of the continuous function f is... more
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10/14/23

Physics HW Question-Acceleration and Force with a truck
A 2000 kg truck has put its front bumper against the rear bumper of a 2500 kg SUV to give it a push. With the engine at full power and good tires on good pavement, the maximum forward force on the... more
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06/10/23

Calculus Scalars
Find two linearly independent vectors perpendicular to the vectorv = 1,7,7
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02/15/22

A point charge q1 = 6.00 x10^-9C is at the point x = 0.800m, y = 0.600m and a second point charge q2 = −2.00 x 10^-9C is at the point x = 0.800m, y = 0m
Calculate the magnitude and direction of the resultant electric field at the origin due to these charges.
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02/15/22

A 30 x10^-6C charge is placed at the origin and a -25x10^-6C is placed 3m to the right of it. What is the magnitude and direction of the electric field 7m to the right of the origin?
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11/17/21

What is the net torque on the sphere as a function of time? (Use the following as necessary: t.)

The angular momentum of a sphere is given by L = (−4.50t3) + (5.60 − 1.90t2) + (6.75t), where L has units of kg · m2/s when t is in seconds.τ = ?  î + ?  ĵ + ?
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07/20/21

For the subspace W = {[x, y, z] ∈ R³ ∶ 2x − 2y + z = 0} of R³,
find a basis for the orthogonal complement W‘ and verify that dim(W) + dim(𝑊') = dim(R³ ) Decompose v = [1, 2, 3] into w1 + w2, where 𝑤1 ∈ W and 𝑤2∈ 𝑊'
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05/19/21

What is the present value or Principal, that will return $40,000 in a Guaranteed Investment Certificate (GIC) in 9 years at 4 1⁄4 % APR compounded quarterly?
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05/19/21

Finding the area under the curve
Question image link: https://i.imgur.com/wIePnsI.pngIf the figure shows the graph of f on [-2, 2] and g(x) = ∫ -1 to x f(t) dt, find: a) g(-2), g(0), and g(2)b) the interval(s) where g is... more
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04/29/21

Linear Algebra (Vector)
 Tell whether or not W can be written as a linear combination of the vectors in S. If yes, find the values of a , b and c ∈ R.Problem #1.W(-4, 3, 5) and S = { (1, -1, -2), (5, -4, -7), (-3, 1, 0)}
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03/31/21

Resolver por inspección
I need help:Let 𝑦1 and 𝑦2 be solutions of the differential equation y''+5y^2=0. Determine by inspection if 𝑦1 + 𝑦2 is also a solution of the equation.CordiallyJorge Emilio Pérez
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03/31/21

need help with precalclus hw

If g(x) is the f(x)=x after a vertical compression by 12, a shift left by 1, and a shift down by 4,a) write an equation for g(x): g(x) =   b) The slope of this line is:   c) The vertical intercept... more
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03/25/21

Identifying volumes of solids rotated about regions
How would you find the volume of a solid generated by revolving the region in the first quadrant bounded by the graphs of the equations: y=0, and x=pi/2 about the line y=4?
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03/25/21

Pre Calc AB Continuous Growth
A new app was downloaded 175 times in its first week. Since then, the number of downloads increased by 16.5% each week. a) Write a continuous exponential growth model to approximate the number of... more
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03/19/21

Why value of A and B are different in these two methods ?
Hi everyone, I was trying to find the values of A, B coefficients by using 2 methods:method 1 by equating coefficients and method 2 by substituting different values of s.Please referee to the... more
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11/30/20

Calculus Question
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in... more
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10/29/20

please help on this ive tried multiple times but can't seem to get it right

Kasonga is 38 inches tall. He is 4/5 as tall as his brother. How tall is his brother?Round your answer to the nearest inch.
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10/21/20

Solve the inverse Laplace transformation using convolutions.
F(s)=(5s-s)/(s^2 * (s+2)*(s-1))
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10/07/20

restricted block on spring
A block of mass m = 4.5 kg slides back and forth on a frictionless horizontal track. It is attached to a spring with a relaxed length of L = 3 m and a spring constant k = 17 N/m. The spring is... more
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09/09/20

If tan(theta)= -1, sin (theta) < 0, and theta is inbetween 0 and 360, then determine the exact value of theta
I understand how to do the question without the "sin0<0". Also I tried to answer the question and I got 0=45 and 0=135.
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09/09/20

Consider the curve parameterized by 𝑐(𝜃)=(sin3(𝜃),cos(𝜃)). Compute 𝑑𝑦/𝑑𝑥 at the point (2sqrt4,2sqrt2).
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08/26/20

Use the Gram-Schmidt process to determine an orthonormal basis for the subspace of R4 spanned by x, y, and z.
Let x=[-4 -1 -2 0], y=[-8 -1.5 1 1], z=[10 -7 -6 23]
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08/25/20

Fit a trigonometric function of the form f(t) = c0 + c1 sin(t) + c2 cos(t) to the data points (0,-9.5), (π/2,-1.5), (π,8.5), (3π/2,-1.5), using least squares.
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08/25/20

Use the Gram-Schmidt process to determine an orthonormal basis for the subspace of R4 spanned by x, y, and z.
Let x=[-4 -1 -2 0], y=[-8 -1.5 1 1], z=[10 -7 -6 23]
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07/20/20

What is the average price of the commodity over the 5-week period from (t = 0) to (t = 5)? (Round your answer to the nearest cent.)

The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by p=21-3e^-2t-4e^-t/3
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