05/12/15

Solving logarithims
Solve 4^2x-5=0.5^2-2x
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05/12/15

A bacteria culture initially contains 1500 bacteria and doubles every half hour.
Find the size of the baterial population after 10 hours
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05/12/15

Let u = <-4, 1>, v = <-1, 6>. Find -2u + 4v.
Let u = <-4, 1>, v = <-1, 6>. Find -2u + 4v. <4, 22> <4, 7> <12, -26> <10, -14>
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05/12/15

Show by parentheses that the sum of x and y is to be subtracted from four times the sum of a and b
Show by parentheses that the sum of x and y is to be subtracted from four times the sum of a and b
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05/11/15

The population of a certain city was 192000 in 1998, and the observed relative growth rate is 4 percent per year.
(a) Find a function that models the population after t years. Your answer is   (b) Find the projected population in the year 2004. Your answer is   (c) In what year will the population reach... more
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05/11/15

Logarithms
Log (-4x) - log(4) = 2 
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05/11/15

Logarithms help
-10 log4  (-5x) = -10 
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05/11/15

A relief package is released from a helicopter at 1600 feet. The height of the package can be modeled by the equation h=-16r+1600
where h is the height of the package in feet and t is the time in seconds the pilot wants to know how long it will take for the package to hit the ground. write the equation that youre trying to... more
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05/10/15

If 2/5 of two numbers is 56.
2/5 of two numbers is 56. One of the numbers is 36. What is the other number?
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05/10/15

approximate [100, angle 2.95 rad]
Approximate in rectangular form to the nearest 0.01
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05/10/15

simplify roots and square root functions -v81/144
simplify roots and square root functions -√81/144
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05/10/15

Solve exactly no rounding 5x^2+1=-4x
pleaseee help need answer 
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05/10/15

Amy, a resident of Metropolis, pays Metropolis an annual tax of $32 plus 2.6% of her annual income. If Amy paid $1,410 in tax, what was Amy’s income? Show work.
Amy, a resident of Metropolis, pays Metropolis an annual tax of $32 plus 2.6% of her annual income. If Amy paid $1,410 in tax, what was Amy’s income? Show work.
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05/10/15

Given the function f(x)=1/6x+3, find a formula for the inverse function.
 Given the function f(x)=1/6x+3, find a formula for the inverse function.  Show work.
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05/09/15

2sin-3csc=-5
please someone help me find q1 2 3 and 4
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05/09/15

Multiple Choice Algebra Question
Tommy completed a multiple choice test with 40 questions. Each correct answer was worth 4 marks and 1 mark was subtracted for each incorrect answer. Tommy scored 120 marks. Set up a pair of... more
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05/08/15

If the total cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples ?
ratios and proportions 
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05/08/15

Which expression represents its expected value in 5 years?
A delivery van valued at $ 25,00 today is depreciating in value exponentially at a rate of 12 % each year.  Which expression represents its expected value in 5 years?  A. 25,000 - 25,000... more
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05/08/15

A train traveled between Milwaukee and Toledo a distance of 513 kilometers if the trip took 10 hours what was the trains average speed in meters per second?
153 kilometers Trip took 10 hours Average meters per second??
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05/07/15

Word problem
kwan drove 387 miles the first day and 409 miles the second day. If he drives about the same distance each day, approximately how many miles will kwan drive in 5 days?
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05/06/15

if a parabola y=x^2 is shifted from the vertex position of (0,0) to a new vertex position of (-10,20), the new equation for the parabola will be:
 This problem is about the Transformations of functions, and the answer requires that you input "y=".
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05/05/15

If you write the following expression
(x^-3 x^2/ x^3 x^-2)^2   as a single power of x then the exponent is___
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05/05/15

how t expand using the distributive property
how do i expand yz(3yz^2+4y^2z)
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05/05/15

Solve : 2(5w-3) + 4 (1+3w)
I answered: 10w - 7 + 4 + 12w  = 22w - 3   the answers say:  22w - 2   ????
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05/03/15

the square of a number minus the number is 552. find the number
Please show the work for it too. My teacher did a bad job showing it and I need something to work off of
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