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David P.
Studying Bioengineering at Temple
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GRE
TutorMe
Question:

Which quantity is greater: 2x-4 x^2+7

David P.
Answer:

x^2+7

Basic Chemistry
TutorMe
Question:

A 500 mL solution of 1 M NaOH is added to 500 mL of 5 M NaOH. What is the molarity of the final solution?

David P.
Answer:

3 M

Physics
TutorMe
Question:

A projectile has an initial velocity of 21 m/s at 30 degrees above horizontal. How far from its starting point will the projectile be when it returns to its initial elevation?

David P.
Answer:

38.97 m

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