Recent activity by Doug Porter

Recent activity by Doug Porter

Use the formula Tn(x) = cos(n cos⁻¹ x) to find the Chebyshev polynomials T0(x), T1(x), T2(x), T3(x), and T4(x).

asked Dec 22, 2024

1 answer 218k views

Please help 100 points right here ( Please don't guess )

answered Dec 20, 2024

1 answer 21.2k views

Andrew used vector v to draw a copy of triangle ABC. Explain Andrew's error.

answered Sep 28, 2024

1 answer 8.5k views

What are the six dimensions of emotional intelligence?.

asked May 26, 2024

1 answer 2.4k views

Maggie is the head chef and used 17 and 4/5 pounds of sugar baking cookies, 13 and 1/2 pounds baking pies, and 22 and 3/4 pounds baking brownies. How much sugar did she use altogether? a. 53 and 3/20 pounds

asked Mar 10, 2024

1 answer 157k views

Assertion : A combination of a convex lens and a concave lens forms a real image when focal length of convex lens is more than the focal length of concave lens.

answered Mar 8, 2024

1 answer 106k views

In how many ways can 5 students line up for lunch

asked Nov 23, 2023

1 answer 178k views

Using the system of equations are these two equations independent or dependent. -4x-2y=10 and y=-2x-5

asked Oct 3, 2023

1 answer 34.0k views

how relevant are patriarchy, inequality, and social stratification to understanding gender-based violence against women and children in contemporary South Africa

asked Aug 16, 2023

1 answer 191k views

Reasons of studying physics

answered Aug 9, 2023

1 answer 104k views

Is it possible to have a right triangle with 2cm, 3cm and 5cm as sides?

asked Jul 17, 2023

2 answers 99.7k views

In a collection of nickels and dimes the number of dimes is 3 more than twice the number of nickels. If the value of the collection is $1.80, how many nickels are there?6 7 1524

asked Feb 19, 2023

1 answer 55.8k views

What does CEREBR mean Medical abbreviations (ROOT WOOD)

asked Feb 18, 2023

1 answer 206k views

Is there an animal that doesn't carry a virus? I need this for a project in healthcare about creating my own pandemic that doesn't exist and I dont know what my reservoir (the place the virus stay for

asked Feb 3, 2023

2 answers 19.5k views

Todd is saving for a vacation. The cost of his vacation is $1,089. Todd has a year to save the money. About how much does he need to save each month to reach his goal?

answered Dec 8, 2022

2 answers 34.2k views

This diagram shows the area of a room to be carpeted. What will be the area of the new carpet?

answered Nov 14, 2022

1 answer 115k views

A(n) _____ is the remains or evidence of a living thing.

answered Oct 14, 2022

2 answers 165k views

What is the height of a 2.0 kilogram ball that is held above the floor and has 39 joules of potential energy ?

asked Sep 16, 2022

1 answer 232k views

A local hardware store is selling a dented refrigerator with the typical warranty excluded. What should the hardware store put on the refrigerator to assure that the customer who purchases it does not

answered Jul 31, 2022

1 answer 66.2k views

The difference between domestic and international marketing lies in the different concepts of marketing.

answered Jun 21, 2022

1 answer 180k views

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