Recent activity by Andy Song

Recent activity by Andy Song

A Maglev train is powered by magnetism and electricity. A student wants to build a model of this train. Which test will best determine if the model train works?

asked Dec 24, 2024

1 answer 35.1k views

For a system at equilibrium, which of the following is True? a) The rate of the reaction is zero. b) The concentrations of reactants and products are constant. c) The value for the equilibrium constant,

asked May 3, 2024

1 answer 129k views

Mismatch repair requires the ability to distinguish between template and newly synthesized DNA strands. How can E. coli distinguish between these two strands? a. Template DNA is methylated. b. New DNA

asked Apr 12, 2024

1 answer 105k views

Evaluate the following. (a) |-5 + 9 = _ (b) |-5 + 9 = _

answered Mar 31, 2024

1 answer 183k views

41. Which of the following is NOT a key element to Gothic stories? O macabre scenes science fiction darkness the afterlife ►

answered Mar 19, 2024

1 answer 124k views

How many atoms are represented in the formula Na₂HPO4? O eight O six O four O seven GUYS HELP

asked Mar 17, 2024

1 answer 133k views

Write -64.25 as a mixed number. -64.25 as a mixed number

answered Nov 26, 2023

1 answer 233k views

When beth was 9 years old, paul was 3 times younger than her. Now beth is 30 years old, how old is paul?.

asked Sep 21, 2023

2 answers 20.7k views

By 1900, the only part of southeast asia not under european imperial rule was:

asked Sep 11, 2023

1 answer 101k views

Khadija is driving on a long road trip. She currently has 12 gallons of gas in her car. Each hour that she drives, her car uses up 1.25 gallons of gas. How much gas would be in the tank after driving for

answered Aug 26, 2023

1 answer 28.0k views

Can somebody solve the equation just put the answer

answered Jun 23, 2023

1 answer 93.7k views

I am trying to simplify a composition of functions.(f o g) (7.5)f(x) = -x + 7f(g) = -4x -2

asked Jun 8, 2023

1 answer 206k views

Convert the unit of length. Round the answer to one decimal place if necessary. 180 cm ≈ _____ ft 180 cm ≈ _____ft ?

answered May 19, 2023

2 answers 215k views

4(x-8)+12=2(2x-9) has one solution, no solution, or infinitely solutions

answered Apr 30, 2023

2 answers 62.9k views

Short songs you wrote!!!

answered Apr 22, 2023

1 answer 73.8k views

Plsssssssssssss helppppppppppppppppppppppp

answered Nov 19, 2022

1 answer 63.8k views

Samantha would like to revise her position statement to clarify her argument. Which of these sentences best replaces sentence 6? * A.Students at our school should unite and refused to complete homework

answered Oct 10, 2022

1 answer 74.7k views

Which context clue is used when a reader uses alternative words of the same part of speech to help determine the meaning of the unknown word? Select one: O examples Ob synonyms and antonyms Oc. substitution

answered Oct 6, 2022

1 answer 27.6k views

As a person pushes a box across a floor, the energy from the person’s moving arm is transferred to the box, and the box and the floor become warm. During this process, what happens to energy? It is increased.

answered Sep 1, 2022

2 answers 107k views

The length of a rectangle is (4x - 2). The width of the rectangle is (x² + 6x + 4). Which expression represents the perimeter of the rectangle?

answered Aug 18, 2022

1 answer 197k views

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