# Posts by Ernie

Total # Posts: 72

**algebra**

Abigail buys a dress for $12 & a backpack for $10.50. She is also charged 9% sales tax on the dress only. Write an expression that represents total cost abigail had to pay

*May 30, 2016*

**Algebra 2**

Did I solve this word problem correctly? In last week’s basketball game, the Lions scored 6 less than twice what the Bobcats scored. The sum of their scores is 30. How many points did the Lions and the Bobcats score individually? 2x+2x-6=30 2x+2x=36 4x=36 4x/4=36/4 x=9 ...

*November 1, 2015*

**math**

lim x-->-9 x^2+10x+9 / x-9

*September 12, 2015*

**math**

you shouldn't be a tutor if you don't want to help people.

*December 4, 2014*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 4, 2014*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 4, 2014*

**math**

Thanks DonHo

*December 4, 2014*

**math**

If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hire 1 day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.

*December 4, 2014*

**math**

Thanks Reiny

*December 3, 2014*

**math**

linear

*December 3, 2014*

**math**

If 18g of a radioactive substance are present initially and 5 yr later only 9g remains, how much of the substance will be present after 11yr?

*December 3, 2014*

**algebra**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 3, 2014*

**algebra**

If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.

*December 2, 2014*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 2, 2014*

**algebra**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 2, 2014*

**math**

If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.

*December 2, 2014*

**algebra**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...

*December 2, 2014*

**algebra**

x=17 x-7=10+17=27+17=44+13=57

*December 1, 2014*

**algebra**

The perimeter of a triangle is 57in. The longest side is 13in. longer than the medium side, and the medium side is 7 in. more than the shortest side. find the length of each side of the triangle. The length of the longest side is ___in, the length of the medium side is __in. ...

*December 1, 2014*

**algebra**

Find the doubling time of an investment earning 7% interest if interest is compounded continuously is ____years. Round to the nearest tenth of a year.

*December 1, 2014*

**algebra**

``If 18g of a radioactive substance are present initially and 5 yr later only 9 g remain, how much of the substance will be present after 11yr ? after 11yr there will be ___g of a radioactive substance. round the final answer to the nearest thousandth as needed. round all ...

*December 1, 2014*

**math please help!!!!!**

Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)

*November 21, 2014*

**math help**

Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)

*November 21, 2014*

**math please check answer**

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 Is f(x) =0 ?

*November 20, 2014*

**algebra**

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 Is f(x) =0 ?

*November 20, 2014*

**math ?**

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 Is f(x)= 0 ?

*November 20, 2014*

**math help**

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 f(x)=_____

*November 20, 2014*

**math, please help**

Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 f(x)=_____

*November 20, 2014*

**math please help**

-2;p(x)=3x^3+5x-6 is -2 a zero of the polynomial(x) ?

*November 20, 2014*

**math thanks for your help**

-2;p(x)=3x^3+5x-6 is -2 a zero of the polynomial(x) ?

*November 20, 2014*

**math**

Express f(x)in the form f(x)=(x-k)q(x)+r for the given values of k. f(x)=x^3+6x^2+10x+4, k=-2 f(x)=____

*November 19, 2014*

**math**

Express f(x)in the form f(x)=(x-k)q(x)+r for the given values of k. f(x)=x^3+6x^2+10x+4, k=-2 f(x)=____

*November 19, 2014*

**math**

find the distance between the points (-20,16) and (-15,19). also find the midpoint of the segment that joins the points. what is the distance?_____ what is the midpoint?______

*November 1, 2014*

**math**

find the slope of the line containing the pair of points. (-5,-10) and (-4,-3)

*October 31, 2014*

**math**

Evaluate the function f(x)=-3x+9 at the indicated values. a). f(2)=_____ simplify your answer b).f(-2)=_____ simplify your answer

*October 31, 2014*

**math thanks for your help**

let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer

*October 30, 2014*

**algebra**

let f(x)=-5x+6 find and simplify f(x+2) f(x+2)=____

*October 30, 2014*

**math really need help!**

let f(x)=-5x+6 find and simplify f(x+2) f(x+2)=___

*October 30, 2014*

**Algebra**

let f(x)=-5x+6 find and simplify f(x+2) f(x+2)=___

*October 30, 2014*

**math please help**

let f(x)=-5x+6 find and simplify f(x+2) f(x+2)=____

*October 30, 2014*

**math**

2x^2+5x-1=0

*October 1, 2014*

**math**

midpoint (4,13) endpoint (0,6). find the other endpoint

*September 27, 2014*

**algebra**

midpoint (-5,-15) endpoint (-13,-8). find the other endpoint

*September 24, 2014*

**Algebra please help**

$11,000, invested for 9 years at 3% compounded quarterly.

*April 23, 2014*

**finance**

$11,000, invested for 9 years at 3% compounded quarterly.

*April 23, 2014*

**math, please help!**

5249

*March 18, 2014*

**math, please help!**

The table lists how poverty level income cutoffs(in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the poverty level cutoff in 1987 to the nearest dollar. the poverty level cutoff in 1987 was _____ dollars. ( round to the nearest ...

*March 18, 2014*

**College Algebra**

The table lists how poverty level income cutoffs(in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the poverty level cutoff in 1987 to the nearest dollar. the poverty level cutoff in 1987 was _____ dollars. ( round to the nearest ...

*March 18, 2014*

**math**

A satellite's escape velocity is 6.mi./sec, the radius of the earth is 3960 mi, and the earth's gravitational constant (g) is 32.2 ft./sec^2. How far is the satellite from the surface of the earth?

*December 8, 2013*

**math alegebra**

A satellite's escape velocity is 6.mi./sec, the radius of the earth is 3960 mi, and the earth's gravitational constant (g) is 32.2 ft./sec^2. How far is the satellite from the surface of the earth?

*December 8, 2013*

**Algebra 2**

Any function? The simplist way to do this would be to assume a cubic function with roots -1, -5, and 3. This would mean it would be factorable into: (x+1)(x+5)(x-3). Simply multiply these three fuctions together and there's an answer.

*December 8, 2013*

**earth**

thank you bobpursley, and Anne so much for your help. you are the best

*December 4, 2013*

**earth**

A satellite's escape velocity is 6.mi./sec, the radius of the earth is 3960 mi, and the earth's gravitational constant (g) is 32.2 ft./sec^2. How far is the satellite from the surface of the earth?

*December 4, 2013*

**math Too Hard!**

to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

*October 7, 2013*

**math word problem**

to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

*October 7, 2013*

**math alegebra**

to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

*October 7, 2013*

**math-algebra**

The speed of a moving sidewalk at an airport is 2ft/sec. A person can walk 93ft forward on the moving sidewalk in the same time it takes to walk 12ft on a non moving sidewalk in the oppsite direction. At what rate would a person walk on a nonmoving sidewalk?

*October 7, 2013*

**physics**

The speed of a moving sidewalk at an airport is 2ft/sec. A person can walk 93ft forward on the moving sidewalk in the same time it takes to walk 12ft on a non moving sidewalk in the oppsite direction. At what rate would a person walk on a nonmoving sidewalk?

*October 6, 2013*

**algebra**

Thank you so much.

*October 6, 2013*

**algebra**

The speed of a moving sidewalk at an airport is 2ft/sec. A person can walk 93ft forward on the moving sidewalk in the same time it takes to walk 12ft on a non moving sidewalk in the oppsite direction. At what rate would a person walk on a nonmoving sidewalk?

*October 6, 2013*

**intermediate algebra**

a motorboat moves 25 miles per hour in still water. it travels 21 miles upstream and 21 miles downstream in a total time of 2.0 hours. whatis the speed of the current?

*October 6, 2013*

**algebra**

Thank you so much Ms. Sue

*October 6, 2013*

**algebra**

to determine the number of trout in a lake, a conservationist cathes 123 trout, tags them and throws them back into the lake. later,44 trout are caught, 11 of them are tagged. how many trout would the conservationist expect to be in the lake

*October 6, 2013*

**Algebra**

25sq2 – 21sq2 = 4(25 + 21) = 4 . 46 = 184

*April 1, 2013*

**Algebra**

Find the 1st four hexagonal numbers and the formula The difference of two squares a2 - b 2 can be found in 16sq2 – 13sq2 = 3(16 + 13) = 3 . 29 = 87

*April 1, 2013*

**Math**

Yes, Rob had a larger pizza

*January 30, 2013*

**5th grade**

hwo would I calculate the original discount price of and item if coast 150 and was sold to me at 75

*December 23, 2010*

**spell**

I LIKE TO SPELL RIGHT BUT I CAN`T SPELL IT RIGHT.NOW I WANT YOU HELP ME OKAY,AND I WANT TO STUDY WITH YOU...PLEASE.I WANT TO SCORE A FOR ENGLISH SUBJECT.

*April 4, 2008*

**vocab**

I NOT UNDERSTAND YOUR QUESTION SORRY

*April 2, 2008*

**Calcuus**

What are the points of inflection for the function f(x)=xln(x)? Thanks a lot, you guys are the bomb!

*March 19, 2008*

**ino literacy**

what is the call number of the oldest copy of Ellison's Shadow And Act

*August 26, 2007*

- Pages:
**1**