04/07/17

What is the x-intercept of f(x) = log4x?
This is my final question on my homework page, and I am having a complete brain fart. Help would be greatly appreciated as to how I find the x-intercept. Thank you!
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04/07/17

a boy was asked his age: if you add the square root of it to half of it, and then subtract 12, the answer will be nothing, the boy replied. what was his age?
quadratic equation, advanced algebra
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04/06/17

Write the equation as a function of x in the form y = a sin(bx + c) for a > 0, b > 0, and the least positive real number c.?
(http : // www . webassign . net/waplots/5/9/3db62208ecce8388e36f5fcdec8fe3.gif) image here I know that the amplitude is 5 and the period is 3pi (I think, correct me if I'm wrong), but how do I... more
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04/06/17

Some plants are consumers
Is it true some plants are consumer s
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04/06/17

The expression (3x-8)(2x+5) - (x+1)(2x+5) can be written as the product of 2x + 5 with what other binomial?
I am currently confused on how to solve this equation. May I have assistance please?
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04/06/17

Write 3297 in 3 significant figures.
No additional details.
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04/06/17

A principal of $2100 is invested at 7.5% interest, compounded annually. How many years will it take to accumulate $5000 or more in the account?
need answeer
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04/05/17

If you earn 11% per year on your bank account, how long will it take an account with $110 to double to $220?
I also need to know how to round the answer to two decimal places  
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04/05/17

If f is a function such that f ' (x) = - f(x)
then ∫ x f(x) dx =
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04/05/17

what is the battle of midway?
it's in world war 2
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04/05/17

How much heat is required to change the temp of a 20 kg iron bar from 150-350 degrees?
Need help with physics help help!
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04/05/17

College algebra (logarithms)
the growth model H(t)= 8000/1+4e-0.67t represents the number of families that own a home in A certain small (but growing) city t years after 1990. a) what is the maximum number of families that... more
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04/05/17

Logarithms
First question:  use the properties of logarithms to rewrite each expression as a single logarithm  1) log x + log(8) 2) 3 log x + log y  Second question:  Expand each of the following in terms... more
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04/05/17

Andrew measures the amount of a very unstable substance to be 100 moles. The half life of this substance is 3 days. Write an exponential function that models it
Write an exponential function that models this situation where y is the amount of substanxe and x is time in days 
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04/05/17

Pre -Calculus Help
csc^2(t) - sin ^2(t) - cot^2 (t) equals
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04/05/17

the height, H, in feet of an object dropped from the top of a building after t seconds is given by H(t) = -16t^2+144. How many feet did the object fall between
PLEASE HELP ME SOLVE AND BE ABLE TO SHOW WORK FOR THIS PROBLEM.  THANK YOU FOR YOUR HELP.   the rest of the question didn't fit, sorry.  it reads -how many feet did the object fall between one... more
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04/04/17

Word problem help.
Congratulations! You just got a new job in sales for PayPal. Your monthly salary is $1700 plus a 2% commission on sales. Write an equation to you could use to find your total monthly pay, y, based... more
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04/04/17

a stone is dropped into a well that is 400 feet deep.
a stone is dropped into a well that is 400 feet deep. the expression -16t^2+400 can be used to find the height of the rock from the base of the well, in feet, when t represents the time in seconds... more
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04/04/17

solve equation?
what is the same solution as: x2 - 8x + 2 = 0
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04/04/17

If t represents the tens digit of a two-digit number, and u represents the units digit, what expression represents the number?
Answer choices are: A. t+u B. 10t+u C. 10u+t D. 10(t+u) E. tu
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04/04/17

Help??? Im so confused
A boat traveled 160 miles downstream and back. The trip downstream took 8 hours. The trip back took 16 hours. What is the speed of the boat in still water? What is the speed in the current?
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04/04/17

Kilograms to pounds problem with price.
What is wrong with my math?   The cost of 10 KG of vanilla beans is $188 per KG plus $210 shipping   Conversion kilo to pound is 1 KG = 2.2046 10 KG = 22 pounds   $188 * 10 KG = 1880 $1880... more
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04/04/17

The number p is between -3 and 4
Inequality 
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04/04/17

Alex drives at least 40 miles but less than 60 miles each week. Write an inequality representing all of the possible distances Alex could drive for 8 weeks
Alex drives at least 40 miles but less than 60 miles each week
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04/04/17

Calculate the reactions of the two smooth inclined planes against the cylinder shown. The cylinder weighs 100lbs.
The cylinder rest on 40degrees on the left side and rests on 30 degrees on the right. 
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