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March 27, 2017

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Posts by aaron

Total # Posts: 540

Algebra
1. Find all the real square roots of a. .0064 b. - .0081
March 5, 2017

Algebra
1. Find all the real square roots of a. .0064 b. - .0081
March 5, 2017

Algebra
Rewrite 32^3/5 as a radical expression and then simplify.
March 5, 2017

chemistry
A student dissolves a .726 g aspirin tablet in water and titrates the solution with .272 M NaOH are required to reach the equivalence point. Calculate the percentage of acetylsaliclic acid in the tablet. I am not really sure where to start with this. I unfamiliar with problems...
February 27, 2017

Biology
What amino acid property makes proteins highly functional? I would assume it would be the structure and sequence, but are there additional properties?
February 23, 2017

Introduction to small engines
The distance the piston must travel from TDC to BDC is referred to as the of the engine
February 22, 2017

chemistry
Create balanced equation, given the two compounds in aqueous solution may react with one another. State whether or not a chemical reaction occurs. Make sure to include the state of each reactant and product. If a precipitation reaction occurs, provide the ionic and net ionic ...
February 20, 2017

Computing
Sorry I mean't computing not c. Would the answer be a pdf? Thanks
February 2, 2017

C
Most organisations produce a document stating what they expect their members to do to behave in an ethical way. State the name of these documents... Thank you.
February 2, 2017

Science
The (blank) has given scientists information about past life on Earth.
January 30, 2017

Pre Cal 12
A 12cm by 8cm rectangular piece of metal is to be made into an open-top box by cutting a sqaure from corner and folding up the resulting flaps (sides). If the volume of the lidless box is 36 cm what are the integer dimensions of the box?
January 26, 2017

Maths
Grace spent 1/8of her money on popcorn and 1/4 of her money on a drink. 1.IF THE drink cost€1.32,how much money had she altogether 2.what fraction of her money did she spend? 3.how much money had she left?
January 26, 2017

Math
is x^2-3x+28 factorable
January 22, 2017

algebra
The perimeter of a square is to be at least 15 feet, but not more that 52 feet. Find all possible values for the length of its sides.
January 11, 2017

Algebra
What is the equation, in standard form, of a parabola that models the values in the table x (-2,0,4) F(x) (2.5,1.5,-60.5)
January 10, 2017

social studies
Compare the situation in Burundi to the American Revolution
December 19, 2016

Algebra
Can someone help me with these two equations, I need to solve them by completing the square, I know the answers, (Number 1 is -11.56, 1.56, and number 2 is -10.35, 1.35) I just can’t remember how to get those numbers again, I have so much math on my paper I am confused. :...
December 16, 2016

Algebra
A conic section has the equation x2 + y2 + 10x + 8y = 40. Determine the following: type of conic, domain and range, axes of symmetry, and center. Show your work.
December 15, 2016

Algebra
Identify the type of conic section that has the equation 9x^2+ 25y^2 =225 and identify its domain and range.
December 14, 2016

Algebra
the foci of the ellipse given by the equation 100x2 + 25y2 = 2500?
December 13, 2016

math
For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month period, the last term is and the series sum is .
December 6, 2016

biology
stem cells
December 6, 2016

None
If there's three there's two If there's two there's one If there's one there's none. What's the answer?
November 28, 2016

Algebra
The equation h = -16t^2 + 32t + 9 gives the height of a ball, h, in feet above the ground, at t seconds after the ball is thrown upward. How many seconds after the ball is thrown will it reach its maximum height? What is its maximum height?
November 26, 2016

Math
A hardware store makes a mixed bag of 42 items using screws, bolts, and washers. The cost of screws are $3.00 each, bolts cost $2.00 each, and washers are $1.50 each. The mixture calls for four times as many screws than bolts. The total cost of the mixture is $102.00. How much...
October 16, 2016

Math
What point maximizes the objective function P = 4x + 3y for the constraints below. What is the maximum value? Constraints: x>=0 y>=0 y<=1/3x-4 6>=y
October 13, 2016

PLEASE HELP HISTORY
all are right but 1. the one after the only two DDs is C not B
October 5, 2016

Physics
Figure shows a circular wire loop of radius r carrying current i placed in a perpendicular magnetic field B. Suppose that the radius of cross section of the wire is a. Find the decrease in radius of loop when magnetic field is switched off if Young’s modulus is Y.
September 28, 2016

Algebra
12. Determine whether y varies directly with x. If so, find the constant of variation and write the function rule. x - 1, 2, 5 y - 1, 2, 5
September 27, 2016

Algebra
graph the inequality y<-|x - 5|
September 27, 2016

Algebra
8. Write an equation for a trend line and predict the value when x is 15. x 0 3 6 9 12 y 17.5 35.4 50,5 60.6 66.3
September 27, 2016

Algebra
7. Write the equation of a trend line. Number of hours 8 5 12 10 2 9 11 14 Score% 7562 80 85 35 70 82 95
September 27, 2016

Math
an oak tree casts a shadow that is 5 meters long. at the same time, a 6.2-meter-tall flagpole casts a shadow 4 meters long. how tall is the tree?
September 11, 2016

Chemistry
One isotope of a metallic element has mass number 10 and has 7 neutrons in the nucleus. It forms an atomic ion having 2 electrons. Enter the symbol for this ion
September 6, 2016

Goverment
Oh and btw the answers A. XD
August 17, 2016

Goverment
Which of the following was one compromise related to the Declaration of Independence that was agreed to by the delegates to the second continental congress? Language condemning the slave trade was removed Language criticizing the English people was strengthened A list of ...
August 17, 2016

Chemistry
Describe how lead(II) iodide cen be prepared in the laboratory
August 2, 2016

physics
Michael, whose mass is 80 kg, runs at a speed of 3 m/s. What is his kinetic energy?
July 18, 2016

Model Essays
To analyze it for me following Visser's example
July 12, 2016

Model Essays
All of us have probably experienced a particular moment (or perhaps many moments) when we were willing to dine out on anything but fast food. What do you think we are seeking at such times? Following Visser's example, write an essay analyzing the "culture" of a ...
July 12, 2016

Math
What is the difference between 20 hundreds and 3 x 10 to the 2nd power
June 25, 2016

Math
How much more is 245,612 than the combined numbers of 18,912 and 45,608
June 25, 2016

Math
I am a number between 1000000 and 2000000. My ones digit is the sum of my tens and hundreds digits and is also the sum of my millions and ten thousands digits.my hundred thousands, thousands, and ones digits are the same.the sum of my digits is 45.what number am i?
June 25, 2016

Math
I am a number between 1000000 and 2000000. My ones digit is the sum of my tens and hundreds digits and is also the sum of my millions and ten thousands digits.my hundred thousands, thousands, and ones digits are the same.the sum of my digits is 45.what number am i?
June 24, 2016

Finance
Mrs. Rogers wants to take a trip in ten years, she can save 650 every 3 months and earns 7.8% compounded quarterly. How much is her account worth at 5 years? What formula should I be using for this? None of them I have tried seem to give me near the correct answer.
May 16, 2016

Geography
Islanders living in Beqa, Fiji lived primarily by hunting and eating meat by fishing and cultivating tara (my answer) by gathering nuts for exports by eating plants
May 4, 2016

TRIGONOMETRY2
color each point in the coordinate plane either red or blue. prove that no matter how the coloring is done there must exist two points of distance one that are the same color.
May 2, 2016

TRIGONOMETRY
given real numbers x, a, b with x>= a>= b>= 0, show that sqrt x+b - sqrt x-a >= sqrt x+a - sqrt x-b
May 2, 2016

trig3
color each point in the coordinate plane either red or blue. prove that no matter how the coloring is done there must exist two points of distance one that are the same color.
May 1, 2016

trig2
given real numbers x, a, b with x>= a>= b>= 0, show that sqrt x+b - sqrt x-a >= sqrt x+a - sqrt x-b
May 1, 2016

trig
tan(theta)/tan(2theta)-tan(theta)= cos(2theta)
May 1, 2016

Biology
Do you expect that somatic cell gene therapy and germ-line gene therapy for the same disease will be equally difficult?
April 28, 2016

maths
409 726 IN STANDARD EXPANDED NOTATION
April 18, 2016

math
The mean of 14 numbers is 50. Removing one of the numbers causes the mean to decrease to 43. What number was removed?
March 23, 2016

math
For a popular Broadway musical, the theater box office sold 356 tickets at $80 apiece, 275 tickets at $60 apiece, and 369 tickets at $45 apiece. How much money did the box office take in? A. $16,605 B. $44,980 C. $61,585 D. $16,500
March 8, 2016

Chemistry
An interference filter is to be constructed for isolation of the nitrobenzene absorption band at 1537 cm-1. (a) If it is to be based on first-order interference, what should be the thickness of the dielectric layer (refractive index of 1.34)? (b) What other wavelengths would ...
February 27, 2016

chemistry
For the reaction N2(g) + 3H2(g) 2NH3(g), what will happen if more ammonia gas is added?
February 3, 2016

Math
Yipee, thanks!
January 7, 2016

Math
Can someone help me complete this table? a - 5, 6, 7, 8, 9 b - 3.8, 4.6, 5.4, _, _ So, do you add 0.8 each time? I think the next two numbers are 6.2 and 7.0.
January 7, 2016

math
Can someone help me complete this table? a - 5, 6, 7, 8, 9 b - 3.8, 4.6, 5.4, _, _ I don't have any answers. I'm sorry. Is there a rule?
January 7, 2016

physics
a side view of a car tire before it is mounted on a wheel. Model it as having two sidewalls of uniform thickness 0.695 cm and a tread wall of uniform thickness 2.50 cm and width 23.2 cm. Assume the rubber has a uniform density 1.10 103 kg/m3. Find its moment of inertia about ...
December 22, 2015

Chemistry
How many g of CaCl2 are required to prepare 0.250 L of a 0.200 M solution?
December 13, 2015

Social Studies
Hey "Anon" you did a great job and yes you did answer correctly! ~Aaron Stern
December 12, 2015

Math
Samantha wants to find the height of a pine tree in her yard. She measures the height of the mailbox at 3 feet and its shadow at 4.8 feet. Then she measures the shadow of the tree at 56 feet. How tall is the tree?
November 19, 2015

Math fractions
A rectangle picture frame is made of wood stripes that are 3/4 inches wide the outside edge of the frame is 8 1/4 inches long and 6 3/4 inches wide can a rectangle picture that is 7 inches long and 5 1/2 inches wide fit inside the frame?
November 19, 2015

physics
A cat is chasing a mouse. The mouse runs in a straight line at a speed of 2.2 m/s. If the cat leaps off the floor at a 29° angle and a speed of 4.0 m/s, at what distance behind the mouse should the cat leap in order to land on the poor mouse?
November 4, 2015

Chemistry
Someone please help me, they're just practice questions but I need some help Hydrogen peroxide, H O , is used to disinfect contact lenses. What volume of O , in mL, of O (g) at 36°C and 741 mmHg can be liberated from 50.0 mL of an aqueous solution containing 3.00% H O ...
October 23, 2015

Chemistry
Now, my problem with this question is the break-down, I don't know where to start. Calculate the volume of H (g), measured at 21.9°C and 769 Torr required to react with 36.3 L CO(g), also measured at 21.9°C and 769 Torr. Assume the gases react as follows. 3CO(g) + ...
October 23, 2015

Algebra 2
Brandon is a retard for being in Statistics.... its 10*8C2*13
October 21, 2015

chemistry
0.0489 L
October 19, 2015

algebra 2
so in elimination you always add first, then subtract the for the next equation? thank you, Aaron
September 30, 2015

algebra 2
3x+y+z=14 -x+2y-3z=-9 5x-y+5z=30 linear equations solve by elimination
September 30, 2015

math
What are the important variables in the problem below? A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there?
September 28, 2015

science
Describe how you would find the mass of 250mL of water
September 22, 2015

Technology
no they will need Microsoft powerpoint software to view the slides you have made
September 21, 2015

chemistry HELP!!
Reaction Rate = -(1/2) [d(H2O2)/dt] = [d(O2)/ dt] Using 25 mL of a 0.2 M hydrogen peroxide solution, the following results are obtained from the equation above: 8.62 mL of gas is collected in 120 seconds. (Assume 760 Torr = 1 atm) Room temperature is 25 degrees C and the vapor...
September 21, 2015

Math
On December 10, 2014, Jennings, Inc. paid out total dividends of $450,000 (this was the only dividend payment made during the year). If Jennings reported Retained earnings of $2,186,000 for 2013 and Retained earnings of $2,380,000 for 2014, what was Jennings reported net ...
September 9, 2015

algebra
An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire trip took three hours. ...
September 9, 2015

Computer
Katie typed a paper using Microsoft Word. Microsoft Word is a type of software.
August 27, 2015

Math
A bag held 3 red marbles, 1 blue marble, and 4 yellow marbles. Lee drew a red marble and did not replace it. What is the probability of drawing a yellow marble next? A. 1/4 B. 1/3 C. 1/2 D. 4/7
May 19, 2015

Technology in the classroom
Microsoft Office
May 7, 2015

algebra
A package is dropped from a helicopter at 1600 feet. The height of the package can be modeled by: h = -16t squared + 1600 , where h is the height of the package in feet and t is the time in seconds. How long will it take for the package to hit the ground?
April 13, 2015

math
x: -2,-1, 0, 1, 2 ------------------- y: 9, 4,-1,-6,-11 find the function rule. please??
March 30, 2015

language arts
Satana is actually 100% correct but you should read the questions and answers because they switch them around sometimes
March 18, 2015

english
Gallagher
March 7, 2015

Science for ms. Sue
hey im here to help and uh Like bob said as you get closer the high voltage will jump as you have a short distance it will decrease so the answer is. B
March 2, 2015

physics
A 100kg shot putter is putting a shot 4kg. Just before he releases the shot, he is in the air (feet are off the ground). At this instant, the only force he exerts against the shot is an 800N horizontal force directed forward. a-what is his horizontal acceleration at this ...
March 1, 2015

physics
Grant accelerates a 1kg ball 5.0m/s2 horizontally. The vertical acceleration of the ball is zero. The force of gravity is the only external force acting on the ball other than the forces Grant exerts on it. a-How large is the horizontal force grant exerts on the ball at this ...
March 1, 2015

Physics
I don't understand how you got that solution. Could someone please elaborate? PLEASE
February 21, 2015

physics
A block of wood with a mass of 1300g is sitting on a horizontal tabletop. The coefficient of kinetic friction between the block and table is µk=0.74.A rifle bullet with a mass of 39g is fired horizontally into the block at a sped of 290m/s and stops inside the block. a-...
February 19, 2015

Science
This is pathetic okay fine all help you BUBBLES 1. A is the north pole and B is the south pole 2. the paper clips are within the magnetic field of the magnet 3. the two exposed sides of the magnets have similar poles 4. true
February 19, 2015

PHYSICS
A variable length air column (closed on one end) is placed just below a vibrating wire of mass 5.00g, which is fixed at both ends. The length of the air column is gradually increased from zero until the first position of resonance (first harmonic) is observed at 34 cm. The ...
February 11, 2015

Chemistry
A 76.00-pound flask of mercury costs $132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values.
January 28, 2015

Algebra 2
Let f(x)-5x+3 and g(x)=6x-2 find the f x g and it's domain
January 14, 2015

chemistry
what quantity of ice would be melted by 2.80 x 10^3 calorie of heat.
January 11, 2015

College Algebra
Tiffany purchased a $10,000, 13-week Treasury bill that's paying 2.25%. What is the effective rate on this T-bill?
January 8, 2015

Math
Tiffany purchased a $10,000, 13-week Treasury bill that's paying 2.25%. What is the effective rate on this T-bill? A. 2.26% B. 2.2% C. 2.0% D. 2.7%
January 5, 2015

Math
Jill traveled to Canada and bought a new lamp for $460 Canadian dollars. In U.S. dollars (to the nearest cent) this is equivalent to
December 28, 2014

music
A. First
November 18, 2014

Chemistry
The question has been answered years ago but not how it is solved. I tried the combined gas law. Here is the question: A balloon originally had a volume of 4.39 L at 44 degrees celsius and a pressure of 729 torr. The balloon must be cooled ??? to reduce its volume to 3.78 L at...
October 30, 2014

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