08/05/25

Solving system of two linear equations
Which method would you choose to solve the following system of equations? Solve it.y=2x+1 (1)3x+y=7 ​ (2)
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Expert Answers •38

06/23/25

Applications Variation
The gravitational Force F between an object and the Earth is inversely proportional to the square of the distance from the object to the Center of the Earth if an astronaut weighs 215 lb on the... more
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Expert Answers •9

05/06/25

How do I tune hyperparameters in XGBoost or Random Forest?
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Expert Answers •2

04/21/25

Why is multicollinearity an issue for some clustering methods?
Imagine you have data for a group of patients in a medical study. Your features include height, blood pressure, oral temperature, forehead temperature, sex, weight and a battery of other symptoms... more
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04/26/23

Mark borrowed an amount of P8,830 from Brian and after 2 years, he borrowed again an amount of P2,750.

Mark borrowed an amount of P8,830 from Brian and after 2 years, he borrowed again an amount of P2,750. He paid P3,600 one year after the last borrow, P2,450 the following year, and P1,800 the next... more
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04/19/23

Algebra 1, finding average

the sum of four numbers is 411.6. two of the numbers are 20.4 and 270.5. find the average of the four numbers.
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01/30/23

How does discrete math contribute to the development of algorithms and computer science?
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11/13/22

Let W be the set of all vectors of the form [-2a-4b, -a, b].Find vectors u and v in R³ such that W = span {u, v}.
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10/29/22

Getting the highest amount of positives on one set with a 50% random chance
If you had 2 sets of numbers, that both start at 0 (each set can only go up from 0, but never lower than 0), and you run a 50 percent coin flip computer program and if it is heads, you add +1 to a... more
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08/08/22

Find the volume of the solid enclosed by the paraboloids z = 16(x^2+y^2) and z = 2-16(x^2-y^2))
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05/13/22

Using Green’s Theorem to evaluate
Use Green’s Theorem to evaluate∮C(x − 2y2) dx + (y4 + 2xy) dy where C consists of the line segmentfrom (0, 2) to (0, 4), followed by the curve with parametric equations x = 4 cos t, y = 4 sin t... more
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12/03/21

Partial Derivatives
The ellipsoid 4x2+2y2+z2=16 intersects the planey=2 in an ellipse. Find parametric equations for the tangent line to this ellipse at the point (1,2,2).
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10/26/21

What is the image point of (8,-1) after the transformation D_{4}\circ R_{180^{\circ}}?
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10/13/21

Use a truth table to demonstrate the validity of x+yz=(x+y)(x+z)
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C++

09/29/21

5.21 LAB: Adjust list by normalizing
When analyzing data sets, such as data for human heights or for human weights, a common step is to adjust the data. This adjustment can be done by normalizing to values between 0 and 1, or throwing... more
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C++

08/25/21

slove the question in C++.Show each output clearly.
int main(){ // Create a binary search tree // Insert nodes: 10, 5, 15, 2, 7, 13, 6, 8, 11, 17 // Print the tree // Print tree height // Print the minimum value in the tree ... more
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04/23/21

The function gives the distance (miles) in terms of time (hours). If the average rate of change of s(t) on 0<=t<=4 is 300 mph. what is the average rate of change of 1/5 s(t) on this interval?

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03/22/21

Vector Question

To make the penalty kick in a soccer game, Mia knows that the ball must travel (r) at 60 mph to the opposite goal post, which would be on a 70° angle with the field lines. However, she must account... more
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10/28/20

Write a greedy predictor program for multivariate regression.
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07/18/19

What are the main differences between the Knuth-Morris-Pratt and Boyer-Moore search algorithms?
What are the main differences between the Knuth-Morris-Pratt search algorithm and the Boyer-Moore search algorithm? What are the main differences in how they work?
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05/11/19

Difference between append vs. extend list methods in Python?
What's the difference between the list methods `append()` and `extend()`?
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01/15/19

What will the angle of view be for this pinhole camera?
You are building a pinhole camera and need to figure out some information before you start taking pictures. First, you measure the distance between the aperture and the back wall and the back wall... more
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04/28/18

Find the domain of the logarithmic function. f(x) = ln (8 - x)
Show all work, step by step. 
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10/02/15

When 3x^2 + 10x - 3 is divided by x+k, the remainder is 5. What is k?
It is polynomial functions. PLEASE HELP!!! ASAP!!!!!!!!! THANK YOU.
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07/16/15

solve problem
An island is located is located 36 miles N 32°39' W of a city. A freighter in distress, radio's it's position as N 11° 24' of the island and N 16° 28' W of the city. How far is the freighter from... more
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