Recent activity by Rafael Companhoni

Recent activity by Rafael Companhoni

Consider the following problem: A company produces a certain product and has a cost function given by C(x,y) = 100x² + 50xy + 80y² + 20

answered Nov 28, 2024

1 answer 94.4k views

Which sentence below is the best example of expository writing? A. She held her breath as the boat slipped through the black water deeper into the twisting green maze. B. Satellite images show that the

asked Nov 13, 2024

1 answer 46.5k views

Imagine there is a volcanic island arc on the surface of the lithosphere above the area where the descending plate has a depth of 100 km. Approximately how far north of this trench are the islands located?

answered Oct 15, 2024

1 answer 87.4k views

Suppose that g is a function from A to B and f is a function from B to C. Prove each of these statements. a) If f∘g is onto, then f must also be onto. b) If f∘g is one-to-one, then g must also be one-to-one.

asked Sep 7, 2024

1 answer 165k views

Alex needs to break down his project into work packages. What do these represent in work breakdown structure

asked Aug 26, 2024

1 answer 157k views

(1,-9) and (-3,-9) in slope intrcept form

answered May 7, 2024

1 answer 18.9k views

The half-life of a chemical occurs every 8 years. If you end up with 1.93 grams, how much did you start with 30 years ago?

answered Jan 29, 2024

1 answer 116k views

What is the message of the poem grannie

asked Nov 22, 2023

1 answer 32.9k views

What is a gene? * A) when a male and a female reproductive cell combine to create an offspring B) the way something is shaped or constructed C) a type of large molecule that performs important functions

asked Aug 22, 2023

1 answer 55.2k views

which values are solutions to inequality below?check all that apply. √(x) \ \textless \ 10

asked Jun 15, 2023

1 answer 195k views

"INEED HELP PLS" Which line from "The Black Snake" helps readers imagine how the snake moves? Question 3 options: Rolled like a rubber tire, Looped in a tree Glides like a wave And then I'll set you free!

asked Apr 16, 2023

1 answer 141k views

Was FDR’s New Deal a success or a failure?

asked Mar 22, 2023

2 answers 7.3k views

What is −2 3/4×1 2/3?

asked Mar 22, 2023

2 answers 13.0k views

What volume of carbon dioxide, at 1 atm pressure and 112°C, will be produced when 80.0 grams of methane is burned?

answered Feb 19, 2023

1 answer 118k views

Suppose a rocket is launched from a platform. The function h(t) - 4.96 + 200€ + 25gives the rocket's height, h, in meters, in terms of time, t, in seconds. The function h(t) is equivalent to -4.9(t- 20.

asked Jan 24, 2023

1 answer 207k views

What do you mean by Indigo??

asked Jan 17, 2023

2 answers 122k views

Find the length of the Hypotenuse

answered Jan 11, 2023

1 answer 47.5k views

A science class has a total of 29 students. the number of females is 15 less than the number of males. how many males and how many females are in the class?

asked Dec 16, 2022

2 answers 104k views

2.4n + 1.2n - 0.12 = 7.08

answered Nov 24, 2022

2 answers 150k views

Describe the energy and motion of particles in a gas.

asked Oct 24, 2022

1 answer 192k views

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