Friday
April 18, 2014

Posts by Ernie


Total # Posts: 26

math, please help!
5249

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 ...

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 ...

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?

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?

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.

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

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?

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.

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.

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.

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?

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?

algebra
Thank you so much.

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?

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?

algebra
Thank you so much Ms. Sue

algebra
492

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

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

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

5th grade
hwo would I calculate the original discount price of and item if coast 150 and was sold to me at 75

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.

vocab
I NOT UNDERSTAND YOUR QUESTION SORRY

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

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

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