05/01/19

Pre-Calc Question on Exponential Decay
The most common use of radioactive isotopes in medicine is to diagnose disease. Typically, radioactive materials are injected into the body and then radiation-detecting cameras are used to build... more
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04/29/19

The resultant of the two vectors a and b of magnitudes 6 and 10 respectively is at right angles to the vector a. Find their resultant and also angle between given vectors?
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04/28/19

Why is (a/b) ² +(b/a) ² = (a/b + b/a) ² - 2?
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04/25/19

A street light is mounted at the top of a 15-ft-tall pole
A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 ft/s along a straight path. How fast is the tip of his shadow moving when he... more
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04/24/19

Good afternoon! Can someone help me solve this math problem? Thanks! Have a great day! C:

Where should I place the parentheses in 48-5+2 x 3+6 to get an answer of 33?
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04/24/19

Consider the function: h(x) =(x+2) ^3-3x-2 . Find the local minimum and maximum values?
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04/22/19

Math b70 community college
How how long will it take for 500 to triple if it is invested at 6% annual interest compounded continuously
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04/21/19

Definite integral from 2 to x vvvv
Find F as a function of x and evaluate it at x = 2, x = 5 and x = 7. 2^x (t3 + 6t − 3)dt
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04/21/19

I have a question which is coming on the final exam and I really need to get it
I have a doubt on ratio and propotion A-a school has 20 teachers and 480 teachers. What is the teacher:student ratio? I got 1:24 but my math teacher got 1:2 ratio How is that so? Please clear my... more
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04/20/19

Why are minerals found in "large" quantities and not scattered throughout the earth as individual atoms?
Heavier elements are created in stars. After stars die they scatter these heavier elements throughout the universe. These elements eventually gather to form planets. But why do we find "chunks" of... more
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04/19/19

Are there any other math majors here who scored "low" on the quant section?
Hi all, I'm interested in getting a masters in business analytics or stats in the future, so I decided to take a practice GMAT/GRE to see how much studying I would need to do. I took MBA.com's... more
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04/17/19

For the given term, find the binomial raised to the power, whose expansion it came from: 10(4x)2(−y)3.
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