Questions by Mattlondon

Questions by Mattlondon

I need help with this aswell, i dont understand them :(

asked Aug 4, 2023

1 answer

42 votes

285k views

Perform the indicated operations and simplify completely: (x-7) (x+1) - (x+8) (x-7)

asked May 2, 2023

2 answers

38 votes

138k views

A 20 g gold coin is heated from 10°C to 50°C ( CAu is 0.13 J/g−°C ). What is the △H ? (Hint: Remember ΔH=q, so if you solve for q, you might have your answer!)

asked Jan 20, 2023

1 answer

9 votes

233k views

10% of what is 80,000?

asked Oct 1, 2022

1 answer

26 votes

278k views

The quotient of a number and 12 - 3 is -4

asked Jul 1, 2022

1 answer

28 votes

380k views

Y''+2y'+y=e^2x how to solve it?

asked Jun 20, 2022

1 answer

34 votes

93.7k views

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