04/16/17

3(3cosθ), would this be 9cos3θ? or just 9cosθ?
3(3cosθ), would this be 9cos3θ? or just 9cosθ?
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04/16/17

if f(x)= -7x+1, g(x)=square root of x-5, what is (fg) (41)
 I need help with Algebra
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04/16/17

How to convert 3*2^(n) + 2^(2n+1) - 2^(n+1) into 2^(2n+1) + 2^(n)
Hi all!   I'm attempting to convert: 3*2^(n) + 2^(2n+1) - 2^(n+1)   into: 2^(2n+1) + 2^(n)   ^ means exponent n is a variable   Does anyone have any idea on how I might go about... more
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04/16/17

Solve the equation for for x. e (to the power of e) to the power of x = 15
(ee )x = 15 
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04/16/17

Some logarithms. Falling behind and not really sure how it works completely.
So, in all, I'm really just asking how I would use log in general. (Please answer in a 'for dummies' format please! :) Not exactly the best with the vocabulary!) Due to some research, I've learned... more
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04/16/17

The sets D and E are defined as follows
D= {z I z ≥3} E= {z l z <5}  write D ∩ E  and D U E using interval notation. If the set is empty write ∅
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04/16/17

Find an example, by finding values for a and b, to show that √a*2+b*2≠a+b
√a2+b2≠a+b
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04/15/17

Was the United States a dominant power in Eastern Europe after world war 2
It's asking if the US was a dominant power in Eastern Europe after WW2
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04/15/17

¿Qué aporta una comunidad inmigrante al país a que inmigra?
No se la respuesta de esta pregunta neccesito ayda
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04/15/17

How much bacteria will there be at midnight?
During a research experiment it was found that the number of bacteria grew at a rate proportional to its size. At 6 am there were 6000 bacteria present in the culture at noon there were 6,600... more
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04/15/17

If you shake the end of a stretched spring up and down with a frequency f, you can produce a sinusoidal, transverse wave propagating down the spring.
This is the full question. If you shake the end of a stretched spring up and down with a frequency f, you can produce a sinusoidal, transverse wave propagating down the spring. Does the wave... more
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04/14/17

find half-life of radioactive nuclide
If 1.2 x 105 atoms of a radioactive nuclide decay such that only 1.5 x 104 atoms remained after 81days. the half-life of the radioactive nuclide is -------------------
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04/14/17

find the frequency, period and speed of wave
the equation, y=5sin(3x-4t),   where y is in millimeter and t is in seconds represents a wave motion.   determine the frequency, period and speed of the wave
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04/14/17

SOLVING MATRIX ON A CALCULATOR
I1-I2-I3=0     1714I2+1000I3+250=0     -1714I2-2000I3+500=0
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04/14/17

Algebra questions
um I have a question about a problem that I seem to be having, Juanita is selling 30 apples and somebody buys 12 how many apples does Juanita have left?
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04/13/17

(Siny - cosy) (siny + cosy)
I need to simplify using Pythagorean identities I need hel asap
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04/13/17

how many potassium atoms are in 89.3 grams of potassium carbonate
how many potassium atoms are in 89.3 grams of potassium carbonate
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04/13/17

((sin(a)cos(b)-cos(a)sin(b))^2)+((cos(a)cos(b)+sin(a)sin(b)^2)
I need some help with the steps to solving this, I know that I need to foil out the problem but I need to get a numerical value for the expression. 
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04/13/17

How to do good studying for a test and making an A on it, this would really help me out a lot.
I need studying tips and test taking tips to get a good grade. Please email me back with an answer. Thank you.
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04/13/17

Physics Force on Proton
What would the force on a proton be at (0,0)m be if 6 electrons were arranged in a regularhexagon centred on (0,0)m?   I was thinking along the lines of finding the electric field at the centre.... more
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04/13/17

One atom has a mass of 2.33*10^-22 grams. How many grams would 1 mol of this atom weigh (i.e., what is the molar mass of this atom)?
I have the answers in my book but I would like to know how to work this problem out. Thank you, -Alex
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04/13/17

Juan says that 3/8>2/3 because 3>2 and 8>3 . As the teacher, how will you respond to Juan?
I need to know how can I explain the child if what he's saying is correct or incorrect and why?
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04/13/17

A helicopter is hovering 110 feet... geometry question.
A helicopter is hovering 110 feet in the air over a landing pad. If the landing agent sees the copter at an angle of elevation of 29 degrees, how far Is the landing agent from the helicopter... more
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04/12/17

Noise induced hearing loss may occur only after years of exposure to loud sounds
Noise induced hearing loss may occur only after years of exposure to loud sounds.
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04/12/17

Form a quadratic function f(x) for which f(1)=0, f(−1)=−4, and f(2)=5.
Form a quadratic function f(x) for which f(1)=0, f(−1)=−4, and f(2)=5. Pls help, really confused Form a quadratic function f(x) for which f(1)=0, f(−1)=−4, and f(2)=5.
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