Questions by Alex Moreno

Questions by Alex Moreno

The elements in Group 8A of the periodic table are called noble gases. Can you suggest what "noble" means in this context?

asked Nov 5, 2020

1 answer

1 vote

27.2k views

The relationship between Mary’s age (M) and John’s age (J) can be represented by the equation: M = J + 4

asked Sep 22, 2020

2 answers

1 vote

197k views

Find the derivative of the fucntion. Simplify where possible. y = tan^-1(x²)

asked Jul 22, 2020

1 answer

5 votes

138k views

Sergei caught 4 striped fish. Each one weighed the same number of pounds. Then he caught another fish that weighed 8 pounds. Which expression represents the total weight of the fish that Sergei caught?

asked Feb 23, 2020

1 answer

0 votes

209k views

Please help me solve x

asked Jul 12, 2019

1 answer

2 votes

148k views

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