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August 20, 2014

Posts by hannah


Total # Posts: 2,827

math
is 3/8 more,less than or equal to 40%
October 30, 2013

algebra 2
please help me with this
October 29, 2013

algebra 2
A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...
October 29, 2013

algebra 2
You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money in...
October 29, 2013

algebra 2
A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...
October 29, 2013

algebra 2
I need to graph these what would be the equations x=300 y=-300 x=200 y = 400/3 are these the correct answers
October 29, 2013

algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
October 29, 2013

algera
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
October 27, 2013

algebra 2
Ms. Tweed earns $12 an hour. Deductions for taxes and insurance take 25 percent of her earnings. Which equation could be solved to find Ms. Tweed’s take-home pay, p, after 80 hours of work?
October 27, 2013

algebra 2
A. 75 = 10d + 5n B. 75 = 10d · 5n C. 75 = dn D. 75 = d + n
October 27, 2013

algebra 2
please help me with this would it be 75=10D+5N
October 27, 2013

algebra 2
Marshall has $1.25 in dimes, d, and nickels, n, in his pocket. Which equation could be solved to find the possible combinations of dimes and nickels Marshall has?
October 27, 2013

biology
Covalent bonds are not affected by chemical reactions. true ir false
October 24, 2013

biology
please help
October 24, 2013

biology
What are the reactants in the following chemical formula? C6H12O6 + 6O2 ¨ 6CO2 + 6H2O
October 24, 2013

algebra 2
would 90=3y+2-5y be right
October 24, 2013

algebra 2
. A tile setter is joining the angles of two tiles, A and B, to make a 90-degree angle. The degree measure of Angle A can be represented as 3y + 2 and of Angle B as 5y. Which equation represents this situation? these are the one I neeeed help with
October 24, 2013

algebra 2
One-fourth of the distance between two cities is 100 miles less than two-thirds the distance between the cities. Which equation expresses this situation?
October 24, 2013

algebra 2
do you guys tutor
October 24, 2013

algebra 2
7.15 =1/3 P+4.50 or 7.16=1/3 (p+4.50)
October 24, 2013

algebra 2
yes
October 24, 2013

algebra 2
Three friends share the cost of a pizza. The base price of the pizza is p and the extra toppings cost $4.50. If each person’s share was $7.15, which equation could be used to find p, the base price of the pizza?
October 24, 2013

algerbra 2
Lisa buys a carpet for $230. The price is $3.50 per square foot. If Lisa had a special discount of $50 off, which linear equation could be used to find the area, A, of the carpet?
October 24, 2013

algebra
A restaurant meal for a group of people cost $85 total. This amount included a 6% tax and an 18% tip, both based on the price of the food. Which equation could be used to find f, the cost of the food
October 24, 2013

Algebra 1
I'm having trouble putting these equations in standard form. PLEASE HELP ME!!! Y=12x+4 Y= -8x+-5 Y=-2x+8 Y=5x+5 Y=18x+-3
October 23, 2013

algebra 2
that is a division signs '
October 23, 2013

algebra 2
how do you simplify 5-x _______ x^2-20 to = 4
October 23, 2013

algebra
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
October 23, 2013

algerbra 2
C. The company accountant says that the rational expression will never have a zero denominator because , the number of units, is always a whole number. Explain why the accountant is correct. 20^-180/4^2+36x+72 this is the second part can you help me
October 23, 2013

algerbra 2
B. The rational expression is not defined for any values of 20^2-180/4x^2+36+ 72 for which the denominator equals zero. Find the value(s) of for which the denominator equals zero.
October 23, 2013

algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
October 23, 2013

biology
4. Using sunscreen and consuming energy drinks involve _____________________. A. using biological information to make informed decisions B. risks to using biotechnology C. using genomics to make informed decisions D. all of the above
October 23, 2013

biology
A sheep with human genes spliced into it to produce human antibodies is an example of a(n)
October 23, 2013

algebra 2
On a second report that you reviewed, the team simplified the expression to 4. Show how to simplify the rational expression correctly. Explain your steps so that the team understands how to simplify an expression similar to this in future experiments.
October 23, 2013

alg
A clothing company uses the expressions that follow to estimate revenue and expenses based on the production of x lots of clothes: Revenue: Expenses: The ratio of revenue to expenses is represented by the rational expression that follows: A. Factor the numerator and ...
October 23, 2013

algebra 2
3x2 – 12x + 7x – 28 factor the polynomial by grouping
October 22, 2013

algebra 2
here is the last part of the question Another canvas of size B has a width of 2x+3 and a length of 6x-1. Write a polynomial expression, in simplified form, that expresses the difference in area of canvas size A and canvas size B
October 21, 2013

algebra 2
can you please help me with this
October 21, 2013

algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
October 21, 2013

quantum physics
the quantum factor algorithm for N=91 is carried out. What is the period k of the periodic superposition set up if it chooses x=8? Guys please help...its very urgent!!
October 18, 2013

quantum physics
@anony i got 8 d.help me with 6 a
October 17, 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

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

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