Thursday
October 23, 2014

Posts by Hannah


Total # Posts: 2,892

Math Critical Thinking
2years=24months
October 16, 2013

allgebra
can you help me with this last one?
October 16, 2013

allgebra
1/3(x+5=k) solve for x
October 16, 2013

algebra
thank you
October 16, 2013

algebra
3(a+5b)-7/2(2b-a) combine like terms
October 16, 2013

math
Solve the compound inequality. -3 < 2x - 3 < 5
October 16, 2013

math
Suppose a number is chosen at random from the sample space {3, 4, 5, 6, 7}. Find the probability as a fraction and percent. Round the percent to the nearest tenth. Please show your work. P(less than 3)
October 16, 2013

calc
C(d) = 120 + 30d + 1/8 d^4 sorry the formating gets off
October 16, 2013

calc
The cost of producing d hundred plastic toy dinosaurs per day in a small company is C(d) = 120 + 30d + 1 8d4 dollars. This company is currently producing 500 di- nosaurs each day. Using calculus, estimate how much the company should change the production to make their daily ...
October 16, 2013

calc
On January 1, 2013, at a price of x dollars, the demand for a certain product was D(x) = 300 x2 + 10px thousand units per month. t months after January 1, 2013, it is estimated that the price of the product will be x(t) = 3t4/3 +16 dollars. At what rate is the demand changing ...
October 16, 2013

calc
the answer is >-1 but when i derived the equation there were still no negative numbers because -7/3 is a constant so it went to 0. after deriving the equation i got t to be -1 so i pluggedin -2 and 0 and got both to be positive(or increasing) all solutions is not an option ...
October 15, 2013

calc
sorry the equation is 1/3(t^2) +t^2 +t -7/3
October 15, 2013

calc
An ice hockey puck is sliding along a straight line so that its position is s(t) = t3 3 + t2 + t − 7/3 . At which times t is the velocity of the puck increasing? I tried deriviting the equation then solving for t and plugging in numbers to see if it was positive or ...
October 15, 2013

calc
thankyou!
October 15, 2013

calc
Find an equation of the tangent line to the graph of f(x) = (x3 − 3x2 + 1)(2x4 − 1) at x = −1.
October 15, 2013

finance
please help
October 13, 2013

finance
1. Yest Corporation's bonds have a 15-year maturity, a 7% semiannual coupon, and a par value of $1,000. The market interest rate (r) is 6%, based on semiannual compounding. What is the bond’s price? 2. A 20-year, $1,000 par value bond has a 9% annual coupon. The bond ...
October 13, 2013

physics
A staging that weighs 350 N supports two painters, one 230 N and the other 440 N. The reading in the left scale is Fl = 480 N .What is the reading Fr in the right hand scale? Answer in units of N
October 8, 2013

biology
5. A researcher finds that blood alcohol levels cause progressive damage to the liver. All the mice in his study were fed the same amount and types of food. Different concentrations of alcohol were injected into each mouse. One group of mice does not receive any alcohol at ...
October 8, 2013

Science
What building blocks are starches made of? What is the difference between sugar and starch? What term describes the size of a starch? What molecule has to be added to a starch to break it down?
October 7, 2013

Science
What process is being demonstrated when you put 3 glucose's together?
October 7, 2013

Math help
Idk
October 7, 2013

physics
A cyclist maintains a constant velocity of 6 m/s headed away from point A. At some initial time, the cyclist is 245 m from point A. What will be his displacement from his starting position after 88 s? Answer in units of m What will be his position from point A after that time...
October 5, 2013

geography (ms. sue)
oops! i'm so sorry! i did it again! i keep forgetting to stop typing random names instead of mine!
October 5, 2013

geography>3
i saw some typed this name in a different post and i though it was beautiful! again, i'm so sorry!
October 5, 2013

geography>3
oops! i'm so sorry! i did it again! i keep forgetting to stop typing random names instead of mine!
October 5, 2013

geography>3
the region is russia
October 5, 2013

geography>3
why might many of the region's rivers flow toward the north?
October 5, 2013

geography>3
thank you!
October 5, 2013

geography>3
it's not the water cycle? is it rain?
October 5, 2013

geography>3
it got to me by the wind?
October 5, 2013

geography>3
my textbook says that, for example, water pollution can be caused by air pollution --because rain washes chemicals out of dirty air and into bodies of water.
October 5, 2013

geography>3
is it the water cycle?
October 5, 2013

geography>3
anyways, is sewage, chemical fertilizers, oil spills the answer?
October 5, 2013

geography>3
i have more than one question...
October 5, 2013

geography>3
oops! i meant to write "what natural processes spread pollution from its point of origin?"
October 5, 2013

geography>3
what natural processes spread creating a new region?
October 5, 2013

geography>3
oops! okay! sorry!
October 5, 2013

geography>3
i have some more questions to ask you but thank you for helping me with this one!
October 5, 2013

geography>3
oh! okay i think i get it now...so then what you're basically saying is true,that by having similar laws, currency, and economies, the european union is creating a new region?
October 5, 2013

geography>3
i don't get it...
October 5, 2013

geography>3
in what way is the european union creating a new region?
October 5, 2013

geography
are you a teacher?
October 5, 2013

MAT 102
What is the domain of "p" when p(x)=x squared-2x+4
October 3, 2013

world history
What role did the Greeks play in the creation of the Maurya Empire?
October 2, 2013

Genetics
Albinism is inherited as a simple recessive trait. If a woman and her husband are both heterozygous for albinism then what is the probability that their first five children will have these phenotypes? Child 1 - albino; child 2 - normal; child 3 - normal; child 4 - albino; ...
September 29, 2013

Geometry
@steve it is asking what is x
September 25, 2013

Geometry
If BC bisects angle ABD, and angle abc=5x+11 angle CBD=10x-4 a.5 b.3 c.1 d.2
September 25, 2013

English
What literary devices does this sentence pertain to? Love enfolded us in her arms.
September 23, 2013

Chemistry
A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this required 18.8 cm3 of ethanol, what was the final temperature ...
September 22, 2013

algebra2
solve the equation a-12/ac=2b solve for a
September 20, 2013

statistics
Most Americans, 67% in fact, say frequent handwashing is the best way to fend off the flu. Despite that, when using public restrooms, women wash their hands only 66% of the time and men wash only 43% of the time. Of the adults using the public restroom at a large grocery ...
September 20, 2013

math
james works an average of 22 hours per week with a standard deviation of 3.5 hours. what percentage of the time does james work more than 31 hours per week?
September 16, 2013

Calculas
A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and  1 2  in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the ...
September 8, 2013

Calculas
A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and  1 2  in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the ...
September 8, 2013

Math
Hannah has $120. Hannah and Peter have $230. Peter has 6 times as many money as Francine. How much money does Hannah have
September 3, 2013

Math
On January 1, 2010, an investment was worth $1000. By the end of 2010 the investment had lost 30%. What percent must the investment grow by in 2011 to be worth $1000 by the end of 2011? Round your answer to the nearest tenth of a percent.
August 23, 2013

chem
Oh it is. It's especially bad when people waste my time with their replies that are of no use to me :)
August 15, 2013

Chemistry
8. Imagine you have two containers of gas, one labeled gas A and one labeled gas B. Gas A has an average speed of 700 m/s and gas B has an average speed of 1100 m/s. Both containers are being held at the same temperature. How could you match the average speeds of gas A and gas...
August 15, 2013

chemistry
4. A container of gas has a volume of 3.5 L and a pressure of 0.8 atm. Assuming the temperature remains constant, what volume of gas would result if the pressure was 0.5 atm? A. 1.8 L B. 5.6 L C. 0.2 L D. 2.2 L My guess is B but I just want to double check
August 15, 2013

Chemistry
1. What is the mass of the 3.7 mol PbO2? A. 884 g PbO2 B. 65 g PbO2 C. 0.15 g PbO2 D. 825 g PbO2 I honestly have no guess for this one. Can anyone tell me how to do it?
August 15, 2013

Algebra
Twenty ounces of water are removed from a container and 3/4 of the original remains. How much water did the container have originally?
August 13, 2013

Math
Hi, I need some help with this question. Could anyone help? Tammy has 15 coins that total $1. What coins does she have and how many of each? Is there more than one answer? Find all the possibilities. Thanks, Hannah
August 12, 2013

Math
If I add all the numbers from 1-100 what do I get? This question has been confusing me for a while...
August 10, 2013

english
loaded words
August 9, 2013

Chemistry
7. Which of the following is true? A. Cesium is the most active group 1 metal, because its valence electron is held more tightly than the others in the same group. B. Group 1 elements are more reactive than the group 2 elements because they have more valence electrons to lose...
August 7, 2013

Chemistry
15. When chromium loses two electrons, its configuration changes to A. [Ar]4s1. B. [Ar]3d4. C. [Ar]4s13d5. D. [Ar]4s13d4. I'm guessing it's B but I just want to double check
August 7, 2013

Math
Hi! I need some help with a problem in the packet I have to complete over the summer. Can anyone help? at uncle joe's farm there are chickens and sheep. tommy counted the heads and got a total of 12 heads. then he counted feet and got a total of 38. can you figure out how ...
August 2, 2013

physics
a 2.00 kg rock is dropped from a bridge to the water 50.0m below. what is the velocity as it hits the water? what is its kinetic energy as it hits the water?
August 1, 2013

Analytical chem
SPECTROPHOTOMETRIC ANALYSIS OF STEEL I have a known molarity of KMnO4 solution. It was diluted by a factor of 20. Its absorbance is now 1.18. The length of the path is 1 cm.What is the molarity of the new solution.
July 23, 2013

chemistry
Atoms of the group 15 elements tend to react to form _______ ions. A. 5+ B. 32 C. 52 D. 3+ My guess is D. Which is correct?
July 17, 2013

Trigonometry
Solve the triangle using the law of cosine: a= 5 b= 6 y= 35
July 8, 2013

Trigonometry
Could someone please help me out with this? I've read my text book, but can't seem to figure it out. And could you please show me how to do them? The Earth travels in a circular orbit around the Sun at 29.79 km/sec. If the radius of the orbit is 1.496 x 10^8 km, what ...
June 4, 2013

science
if a person puts 500 newtons into pushing an immovable wall that was 2 meters tall how many joules of work would they do
May 30, 2013

social studies
What are the responsibility's of the department of education
May 28, 2013

social studies
what is the responsibility's of education?
May 28, 2013

social studies
What is the responsibility's of the department of energy
May 28, 2013

english
One way we get to know characters is to want to avoid the most. Select TWO characters from Julius Caesar and write short essays on what you believe they fear the most and what evidence you used to come to this conclusion. any ideas
May 28, 2013

geometry need asap
A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
May 28, 2013

geometry
A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
May 28, 2013

geometry
I need to find the height and volume of a triangular prism. the front measures 8 cm and the side is 19 cm.
May 28, 2013

geometry
Find the surface area of the cone. in pie the radius is 3 cn the height is 18
May 27, 2013

geometry
I need to find the base, height, and volume of a triangu;ar prism. the front is 8 cm and the side bottom line is 19 cm
May 27, 2013

geomerty
please help
May 27, 2013

geomerty
A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the base is 2 in and 2 in the height is 5 in then the triagle is 2 in. There is a line between the h 5 and the 2
May 27, 2013

geometry
A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container. The base has the front and sides as 2 and 2 inches the height is 5 in and the 2 inches.
May 27, 2013

geo
geometry
May 27, 2013

geo
help please
May 27, 2013

geo
I need to find the the height of the prism, the volume of the prism, and the area of the base. The front has a measurement of 8 cm and the line on the side has 19 cm. can you please help me.
May 27, 2013

geo
how do you find the base of a triangular prism >
May 26, 2013

geometry
these are the answer I have to pick from for volume 1088/3 pi feet cubed 960 pi feet cubed 320 pi feet cubed 1088 pi feet cubed
May 26, 2013

geometry
Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie
May 26, 2013

geometry
I need to find the area of a base of a cylinder. The height is 9 and the radius is 3.
May 26, 2013

geometry
12 x 15 x 7 =450 would it be 2.8 galloons
May 26, 2013

geometry
12x 12 x15x15
May 26, 2013

geometry
The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 450 square feet. How many gallons of paint do you need to paint the walls of the bedroom?
May 26, 2013

geomerty
a= 2 x 3.14x 1 x 12 a = 75.36 a = 2 x 3.14x 8 x 3 a= 150.71 roller B
May 26, 2013

geomerty
Paint Roller A has a length of 12 in. and a diameter of 2 in. Paint Roller B has a length of 8 in. and a diameter of 3 in. Which roller can spread more paint on a wall in one revolution
May 26, 2013

geomety
128 feet
May 26, 2013

geomety
You want to pour a concrete slab with a width of 16 feet, a length of 16 feet, and a height of 0.5 feet. Find the volume of the concrete, so you know how much you will need
May 26, 2013

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