Sunday
December 4, 2016

# 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

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

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

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

-2;p(x)=3x^3+5x-6 is -2 a zero of the polynomial(x) ?
November 20, 2014

-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
October 31, 2014

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

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

\$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

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

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

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