12/10/13

Jane counted 16 newborns in the hospital nursery. She saw 4 more baby girls than baby boys. How many of each did she see?
I have tried subtracting
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12/10/13

with regards to conics, how do I do x^2 over 7 + y^2=1
I am doing hyperbolas, circles and ellipses and am not sure how to do the following, we didn't cover it in the class like this but it was just on my exam:   x2/7+ y2=1   Do I multiple the first... more
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12/09/13

if f(x)=int(3x), find: f(3.9) b. f(2.2) c. f(-2.8)
If f(x)=int(3x), find: a. f(3.9)=? b. f(2.2)=? c. f(-2.8)=?
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12/09/13

stumped grandma with algebra
6-x=15 what is x?   I am a grandmother and am lost with this to help my granddaughter. How do I go about solving this? Thanks, Patti  
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12/09/13

"Assume that the population of a culture of bacteria is increasing exponentially.
 If the population is 200 at 14:00, and it becomes 3000 at 15:00, what is the population a t17:00?
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12/09/13

Solving applications
The daily profit P in dollars of a company making tables is described by the function P(X)=-6X2+312x-3762, where x is the number of tables that are manufactured in 1 day. use this information the... more
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12/08/13

how to factor f(x)=6xcubed-7xsquared-89x+140 completely
This is a pre-calculus question. Its chapter 4 in the Holt pre-calculus textbooks.
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12/08/13

Converting Y=mx+b to standard form
I need to convert slope-intercept form to standard for for my next test.For example:Convert 60x + 30y=15First, I subtract 30y.-30y = 60x + 15Then, I divide by -30.y = -2x - (1/2)This is where I am... more
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12/08/13

Solve by factoring
(3z-4)^(-1/3) -5(3z-4)^(-4/3)=0 solve by factoring?
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12/08/13

f(x)= x^(2/3)-x^(2)
this is a curve sketch. determine domain and range. find x intercepts. find y intercept. determine any vertical asymptotes. find the end behavior asymptote. consider symmetry. find the relative... more
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12/07/13

How to determine real roots of (5x^2+20)(3x^2-48)=0?
How to determine real roots of (5x^2+20)(3x^2-48)=0?
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12/07/13

solve the quadratic equation by completing the squares:3x^2-2x+1=5
   solve the quadratic equation by completing the squares:3x^2-2x+1=5
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12/07/13

Given functions f and g, perform the indicated operations:
f(x) = 8x2 -7x g(x) = 8x - 4   (fog)(x)   I would really appreciate the steps and final outcome of this problem. Thank you!
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12/06/13

if the three segments below were used to form a triangle, what could the values for the length of the third side be? check all that apply.
Line AC = 3 Line CB =12 Line BA =?   ANSWER CHOICES A) 3 B) 6 C) 9 D) 11 E) 12 F) 16
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12/05/13

Shipment 20 computers are ramdomly selected and tested probability that all three are defective if the first and second are no replaced and if are replaced
probability
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12/05/13

(sin2x)(sinx) + cosx = 0 find all solutions of the equation in the interval [0,2pi]
(sin2x)(sinx) + cosx = 0
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12/05/13

Tricky Word Problem
This word problem has me stumped..  I would really lovesome step by step help, thanks!   When a number, half of a number, and a third of a number are added together, the sum is 385. Find the... more
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12/05/13

graphing question
4. Graph the following functions.(a) f(x)=5^x(b) f(x)=(2/3)^x(c) f(x)=-3^(-x)
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12/05/13

logarithmic form question
(a) Given 6^3=216, write an equivalent statement in logarithmic form.(b) Given log_2?√8=3/2, write an equivalent statement in exponential form
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12/05/13

find interest question
Find the present value of $3,000.00 if interest is 6% compounded quarterly for 5 years
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12/05/13

Word Problems
I am stumped...   Anne and Nancy use a metal alloy that is 18.3% copper to make jewelry. How many ounces of a 15% alloy must be mixed with a 24% alloy to form 90 ounces of the desired... more
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12/05/13

if f(x) is a cubic polynomial, find a rule for f (x)
may be left in factored form
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12/05/13

just need help solving this question
If the government finances $104 billion worth of 15-year bonds at a fixed rate of 3.8% compounded quarterly, how much would it have to pay back when the bonds mature?
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12/05/13

What's the ratio of 7/6 ft 16 1/3 ft
find the ratio of 7/6 ft 16 1/3 ft?
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12/05/13

I need to solve for x and give an exact answer. Exponential equation
5*2^x=70   I get this far: 2^x=70/5  
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