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Recent questions tagged constant


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Why is \(|c| ||y|| = ||cy|| \) where \(y\) is a vector and \(c\) is a constant?
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Why is \(|c| ||y|| = ||cy|| \) where \(y\) is a vector and \(c\) is a constant?Why is \(|c| ||y|| = ||cy|| \) where \(y\) is a vector and \(c\) is a constant? ...
by MathsGee Platinum
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asked in Mathematics Jan 15
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Find the value of $\mathrm{k}$ if the constant term in the expansion $\left(\mathrm{k} x-\frac{1}{x^{2}}\right)^{6}$ is 240 .
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Find a formula in terms of $n$ for $\sum_{r=1}^{n}\left(3 r^{2}+r-2\right)$. Simplify your answer fully.
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Find a formula in terms of $n$ for $\sum_{r=1}^{n}\left(3 r^{2}+r-2\right)$. Simplify your answer fully. Find a formula in terms of $n$ for $\sum_{r=1}^{n}\left(3 r^{2}+r-2\right)$. Simplify your answer fully.   NB: You may find the following ...
by MathsGee Platinum
(103,972 points)
asked in Mathematics Jan 13
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Find the sum of the first three terms of $ \sum_{r=1}^{n}\left(3 r^{2}+r-2\right)$
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Find the sum of the first three terms of $ \sum_{r=1}^{n}\left(3 r^{2}+r-2\right)$\begin{aligned} &\text { Find the sum of the first three terms of } \sum_{r=1}^{n}\left(3 r^{2}+r-2\right) \text {. } \end{aligned} ...
by MathsGee Platinum
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asked in Mathematics Jan 13
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Which of the following operations over a system of linear equations could change the solution set?
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Which of the following operations over a system of linear equations could change the solution set?Which of the following operations over a system of linear equations could change the solution set? A) interchanging two equations B) removing an equ ...
by MathsGee Platinum
(103,972 points)
asked in Mathematics Jan 13
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The function $f(x)=\frac{x^{3}-6 x}{x^{2}-4}$ is
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The function $f(x)=\frac{x^{3}-6 x}{x^{2}-4}$ isThe function $f(x)=\dfrac{x^{3}-6 x}{x^{2}-4}$ is   A. even and has two vertical asymptotes, B. odd and has two vertical asymptotes, C. even ...
by MathsGee Platinum
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asked in Mathematics Jan 13
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Find $\lim _{x \rightarrow 0}(1-\sin x)^{\frac{3}{x}}$
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Find partial fractions of $f(x)=\frac{4}{x^{3}-2 x^{2}-3 x}$
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Write $\frac{9-x^{2}}{x^{3}+9 x}$ in terms of its partial fractions.
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Identify the constant solutions (if any) of $\dot{y}=t \sin y$.
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A quadratic pattern has a constant second difference of 2 and \(T_{5}=T_{17}=29\)
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A quadratic pattern has a constant second difference of 2 and \(T_{5}=T_{17}=29\)A quadratic pattern has a constant second difference of 2 and \(T_{5}=T_{17}=29\) 4.1.1 Does this pattern have a minimum or maximum value? Justify yo ...
by Pieter SIlver Status
(18,309 points)
asked in Mathematics Jan 11
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When a 2 kilogram mass is suspended from a spring, the spring stretches 4 cm. The force constant of the spring is approximately:+
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A spring with a force constant k is cut into thirds. The force constant of each of the new springs is
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A spring with a force constant k is cut into thirds. The force constant of each of the new springs isA spring with a force constant k is cut into thirds. The force constant of each of the new springs is w) k x) 3k y) (1/3)k (read: one third k) z) ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is:
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A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is:A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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A spring with a force constant of 100 Newtons per meter is loaded with a mass of 1.0 kilogram. The period of vibration of this system is:
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The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are dissipated by this resistor?
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If the resultant force acting on a body of constant mass is zero, the body's momentum is:
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If the resultant force acting on a body of constant mass is zero, the body's momentum is:If the resultant force acting on a body of constant mass is zero, the body's momentum is: w) increasing x) decreasing y) always zero z) constant ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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A machine performs 8 Joules of work in 2 seconds. How much power is delivered by this machine?
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A machine performs 8 Joules of work in 2 seconds. How much power is delivered by this machine?A machine performs 8 Joules of work in 2 seconds. How much power is delivered by this machine? ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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A 40 kilogram girl climbs a vertical distance of 5 meters in twenty seconds at a constant velocity. How much work has the girl done?

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What is the magnitude and direction of the velocity of the package, relative to the ground, the instant the package is released by the helicopter?

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What is the velocity of the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
1 answer 38 views
What is the velocity of the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward ...
by Digitized Wooden
(1,150 points)
asked in Physics Oct 5, 2021
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A team of eight lumberjacks cut an average of 15,000 cubic feet of timber in a week. How many cubic feet will four lumberjacks cut in four weeks?
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