05/09/25

Linear Algebra-Linear Transformations
Find the associated matrix (i.e. matrix with respect to the standard basis ) for the linear transformation on R2 representing reflection about the line 3y=4x followed by rotation by 3π ⁄2 radians... more
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05/06/25

I’m stuck on a machine learning homework using scikit-learn. Can someone walk me through it?
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05/06/25

How do I tune hyperparameters in XGBoost or Random Forest?
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02/27/23

Write a function list_difference(numlist1, numlist2) that takes in two lists as parameters
Documentation: Use the following template for EVERY function that you write. The docstring below should be placed inside of the function, just after the function... more
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02/04/23

2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2O In the above equation how many grams of N2 can be made when 132 grams of CuO are consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0Use the following molar masses. If you do not use these masses, the computer will mark your... more
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02/04/23

Find all values of x where the derivative of the function f(x)= | x ^2 − 7 x + 6 |. is not defined. List your answers separated by commas.
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02/04/23

Algebra 2 - compounding
Seth's parents give him $5,000 to invest for his 16th birthday. He is considering two investment options: Option A will pay him 4.5% interest compounded continuously, and Option B will pay him 4.6%... more
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02/04/23

Could someone show me step by step?
The total cost (in dollars) to produce q units of a good is given by the function:C(q)=5.9q+57000What is the total cost to produceq=3900 units?Cost =
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02/04/23

The rental company charges $19.95 plus 15 cents for each mile driven , she only has 40 dollars to spend on the car rental , what is the maximum number of miles ?
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02/04/23

Solve y^2-=10(mod13)
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02/04/23

Place the steps involved when a person gets infected with SARS-CoV2.
Put the steps involved when a person gets infected with SARS-CoV2 in order:a) The virus enters a person's mouth/ noseb) The virus inserts its RNA into a cellc) The virus RNA hijacks the cell and... more
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02/03/23

Andre says that log 55 =1.5 because 55 is halfway between 10 and 100.
Andre says that log 55 =1.5 because 55 is halfway between 10 and 100. Do you agree. Explain your reasoning.(Question is base-10 logarithm)
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02/03/23

Write the complete symbol, including mass number and atomic number, for each atom.
contains 28 protons and 30 neutrons:contains 22 protons and 21 neutrons:contains 15 electrons and 19 neutronsan oxygen atom with 10 neutrons:a chromium atom with a mass number of 54:
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02/02/23

Find two points on the graph of the parabola other than the vertex and x-intercepts.
Consider the following function.g(x)=(x−2)2−5Find two points on the graph of the parabola other than the vertex and x-intercepts.
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02/02/23

Find ΔU , ΔH , q and w for this change in state.
A 16.0 LL volume of an ideal gas in a cylinder with a piston is at a pressure of 3.0 bar . Enough weight is suddenly removed from the piston to lower the external pressure to 1.5 bar . The gas then... more
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02/02/23

Find ΔrU for this reaction.
The heat of combustion of liquid pentane (C5H12)(C5H12) to carbon dioxide and liquid water at 298 K is -3535  kJmol−1. Find ΔrU for this reaction.my solution:so i used the equation ΔrU= ΔrH -... more
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01/23/23

To add a curve to the amount of grades being printed.

Code in python. Given the following list of student test scores, apply a class "curve" to each score. The class curve is as follows: 90 or above: no curve80 to 90: +2 points70 to 80: +5 pointsLower... more
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