03/01/23

a certain forest covers an area of 3600 km^2. suppose that each year this area decreases by 8.75%. what will the area be after 15 years
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03/01/23

Linear equations
A clothing business finds there is a linear relationship between the number of shirts, n ,it can sell and the price, p , it can charge per shirt. In particular, historical data shows... more
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02/28/23

PHY Review Question
At the end of a factory production line boxes start from rest and slide down a deg (horizontal) ramp that is 5.4 meters long.Find a formula for the acceleration of the box down he ramp in terms of... more
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02/27/23

Mixed Tensor Calculations
Can someone help me with the mixed tensor related calculation in the section indicated in red colour of the below... more
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02/26/23

Finding the integral of e^4x using u-substitution
A question on my homework involves finding the integral of e^4x, and since the integral of e^x is just the same (e^x (+c)) I assumed that this would be the case for e^4x. However upon looking it up... more
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02/26/23

Frenet Serret formulas
The following set of relations (space derivatives) of the fundamental vectors t, n and b are collectively known as the Frenet Serret formulas.dt/ds = Kn db/ds = −τndn/ds = τb − Kt How do we apply... more
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02/25/23

Compute the Taylor poly 𝑇5(𝑥) and use the Error Bound to find the maximum possible size of the error. 𝑓(𝑥)=cos(𝑥), 𝑎=0, 𝑥=0.2. Find the answer to 𝑇5(0.2)= and |𝑓(0.2)−𝑇5(0.2)|≤ _*10^-7
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02/25/23

Let 𝑇3 be the Maclaurin polynomial of 𝑓(𝑥)=𝑒^𝑥. Use the Error Bound to find the maximum possible value of |𝑓(1.4)−𝑇3(1.4)|
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02/21/23

How to find the solution?
 point) Find a non-trivial linear combination of a�, b� and c�.0–=0_=  a+�+  b� ++  c� .
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02/20/23

linear approximation - triangle
The length L of a long wall is to be approximated. The angle θ, as shown in the diagram (not to scale), is measured to be 45.5∘, accurate to within 0.2∘∘. Assume that the triangle formed is a right... more
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02/10/23

Word problems involving inequalities

Four children earn money for a charity. Dauda earns #y, Obi earns half as much as Dauda, Chidi earns three times as much as Obi, and wale earns #250 less than all the other three. Together, they... more
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