Questions Asked on
April 1, 2015

Chemistry
The chemical equation for ionic reaction between Na2S and AgNO3??
asked by Angie 
Geometry
A telephone pole is supported by a steel cable which extends from the top of the pole to a point on the ground 3 meters from its base. When Leah walks 2.5 meters from the base of the pole toward the point where the cable is attached to the ground, her head
asked by Gem 
physics
A hydraulic cylinder has to overcome a force of 12,600 pounds on the extend stroke and 9,375 pounds on the return stroke. The maximum system pressure available is 2200 PSIG. What is the smallest diameter cylinder required to overcome the load and what is
asked by emma 
algebra
A ball is thrown vertically upward with an initial velocity of 128 feet per second, the ball’s height after t second is s(t) = 128t – 16t². a. Find the average velocity from 2 to 4 seconds.
asked by syu 
Science
1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
asked by Hailee 
History
African Americans in the North greeted the Emancipation Proclamation A.regretfullb B.joyful C.angrily D.sad A? 2. On Jan 1 1863 President Abe Lincoln signed the A.Free slave Bill B.14th Amendment C.Emancipation Proclamation D.13th Amendment C? 3.Which
asked by M 
Art
Which statement best describes how a seventeenth century european portrait (such as the mona lisa) differs from an ancient mexican portail (such as ballgame (?) performer ? a.Ancient Mexican portraits were usually oil paintings, while Europeans created
asked by HEEEELP WITH ART 
Geometry
Two triangles are similar. The ratio of their areas is 1:4. If the height of the smaller triangle is 3 cm, how long is the corresponding height of the larger triangle, in centimeters? does this mean that i just multiply the numbers of the sides by four?
asked by G 
ela help me on this please damon,reed,writeacher
• What differences became matters of life and death during the Holocaust? • Do differences between people necessarily lead to conflict? • How can the Holocaust help us find similarities that go beyond race, culture, nationality, and so on? • Why is
asked by Oscar 
calculus
1 pt) Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 68 degrees F and a living body temperature of
asked by emily 
English
Which of these words has the same denotative meaning a, but a different connotative meaning than, the word COPIOUS. A. meager B. abundant C. lavish ******* D. sparse An award is given every year to the student ______ has the highest gradepoint average.
asked by Cassie 
physics
Two charges q 1 = −3.20 nC and q2 = +8.96 nC are at a distance of 1.94 µm from each other. q 1 is fixed at its location while q 2 is released from rest. (a) What is the kinetic energy of the charge q 2 when it is 0.340 µm from q 1? J (b) The charge q 2
asked by mathew 
science
graduated cylinders are not as precisely calibrated as are burets or volumetric pipets. briefly explain why it is acceptable to measure KI and HCl solutions in the titration with graduated cylinders rather than with pipets or burets.
asked by gladys 
English
Posted by rfvv on Wednesday, April 1, 2015 at 4:10pm. 1. What a messy room! Can you give me a hand cleaning it, Matt? 2. What a messy room! Can you give me a hand which will clean it, Matt? ======================= Does #1 mean #2? •English  Writeacher,
asked by rfvv 
Algebra
A golden rectangle has sides of length 1 and x. When a square with side length 1 is removed from the golden rectangle, the remaining rectangle has the same proportions as the original. Solve for x.
asked by Connie 
Chemistry
A student generated oxygen gas by decomposing hydrogen peroxide (H2O2) according to the following equation: 2H2O2(aq) > 2H2O(l) + O2(g) If the student started with 1.75 moles of hydrogen peroxide, how many moles of oxygen gas would be produced? Show your
asked by Emily 
chemistry
A 1.0 x 102 M solution of a weak acid is found to be 3.7% dissociated. Calculate Ka of this acid. I found the amount dissociated by (amount dissociated/initial conc)*100=3.7 Where do I go from here?
asked by Mahnoor 
Chemistry
How many moles of HNO3 are present if 0.116mol of Ba(OH)2 was needed to neutralize the acid solution?
asked by Mac 
calculus
Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 10 mi^2?
asked by Anonymous 
SCHOOL
SHOOL IS NOT FUN!!!!!! ..... Jk.... April Fools!!!! Have a good day everyone and please don't use jiskha to cheat. Just use it to check your answers! :)
asked by anonymous 
Calculus
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in Ohms (Ω), is given by: 1/R=1/R1+1/R2 If R1 and R2 are increasing at rates of .3Ω/s and .2Ω/s, respectively, how fast is R
asked by Jen 
chemistry
At a certain elevation, the boiling point of water is 98.5°C. How much energy is needed to heat 35.0 mL of water to the boiling point at this elevation if the water initially was at 23.4°C? (Cp=75.38J/(mol*C), d= 1.00g/mL)
asked by Danny 
geography
Can someone explain what this means? The key policy problem regarding water for this purpose is the need to allocate water supplies in a way that properly balances oil sands production needs with ecosystem and human needs in the region. While the amount of
asked by Thi 
reading and writing
Paddy and Clare are writing effective conclusions. Paddy's conclusion will summarize his main point and reaffirm his theses statement. Clare's conclusion will take the readers beyond the scope of her essay. Who is writing an effective conclusion? A. Both
asked by Clare 
geometry
Three basketball teams measured the height of each player on their team. The table shows the mean and the mean absolute deviation of the heights for each team. Which statements are correct? Choose exactly two answers that are correct. Team Mean height (cm)
asked by Mystery linn 
chemistry help
a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was
asked by jk 
Geometry
In triangle PQR, we have
asked by Gem 
math help
Given DC = 7, CB = 8, AB = 1/4 AD, and ED = 4/5 AD, find FC. Express your answer as a decimal. not sure how to tackle this one
asked by Gem 
prob. & stat
A traveler has 7 pieces of luggage. How many ways can he select 3 pieces of luggage for a trip? a. 5040 b. 210 c. 35 d. 28
asked by sweet12 
Math, please help
Dennis will roll two number cubes once. Each cube is labeled 1 to 6. What is the probability that the sum of the cubes will be an odd number?
asked by Cale 
calc
Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 21 ft high?
asked by Anonymous 
algebra
A ball is thrown vertically upward with an initial velocity of 128 feet per second, the ball’s height after t second is s(t) = 128t – 16t².Find the average velocity from 2 to 4 seconds.
asked by syu 
chemistry
calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol.
asked by Yvonne 
math please help
Find the area of triangle ABC if AB = BC = 12 and
asked by Gem 
MATH
If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.
asked by SHUBHAM 
chem
If one pound (454g) of hexane combusts with 185 grams of oxygen which reactant is the limiting reactant and how many grams of carbon dioxide are produced? My work: 454 g C6H14 * 1 mol C6H14/86.18 g C6H14 * 6 mol CO2/ 1 mol C6H14 * 44 g C02/ 1 mol CO2=
asked by Sarah 
Math / Algebra 2
Use trigonometric identities to solve each equation for the given domain. sin 2θ = cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.
asked by Bob 
biology
I have to write an essay on about why organ donation should be mandatory in Canada. I need help thinking of arguments. Some that I have thought of are: 1. there is a shortage of organs for transplants 2. it improves the life of the recipient 3. After death
asked by Mathew 
7TH MATH HELP
3. What is the correct description for the translation of A to A'? A(10, 3) A'(1, 6) right 9; up 3 left 9; down 3* right 9; down 3* left 9; up 3 The point C(x, y) is reflected over the xaxis. Use arrow notation to describe the original point and its
asked by ????? 
Math please help
In triangle PQR, we have
asked by Gem 
Referencing
Just a really general question here. In AP US History courses is it acceptable to reference a lecture in an assignment? An Open Yale University lecture on the Civil War contains information that I found really valuable but is it academically acceptable to
asked by Rissa 
Mathematics
Karen collects local and foreign coins. 1/4 of her coins. 2/9 of the foreign are Austalia coins. What fraction of the coins are nonAustralia foreign coins?
asked by xr 
History
"And I further declare and make known that such persons of suitable condition will be recevied into the armed service of the US to garrison forts positions stations and other places and to man vessels of all sorts in said service." What did this portion of
asked by M 
math
On a centimeter dot grid, draw all possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters.
asked by Riley 
reading and writing
Please read the following excerpt from an essay, and answer the question that follows. After Sean was arrested for breaking into a pawnshop, I began to wonder. Why did some kids from my neighborhood end up in trouble while most of us didn't? I started out
asked by Clare 
Math
What is the correct description for the translation of A to A? (10,3)> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3
asked by Lost 
Algebra2 Help please
Find the values of the 30th and 90th percentiles of the data. Please show your work. 129, 113, 200, 100, 105, 132, 100, 176, 146, 152
asked by Ciaria 
Algebra2 Help please
Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (0.2/x) and y= (0.3/x) 0.05, 0.075 , 0.1, 0.15 ?
asked by Ciaria 
calculus
A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An observer whose eyes are 5 ft above the floor stands x feet from the wall. How far away should the observer stand to maximize the
asked by Linda 
English
I am writing research paper on outdoor activities and how digital gaming cannot replace outdoor activity. Could someone please give me five academic site sources to get information from thanks you!
asked by Mohammad 
math
1.A square has side lengths of 3 units. One of its vertices is at (5, 2). Which of the following are possible coordinates of another vertex? a)(9,2) b)(8,2) c)(5,5) d)(5,1) idk can someone help i am confused
asked by confused 
chemistry
How many grams of sucrose (C12H22O11) are in 2.50L of 0.710M sucrose solution?
asked by Samantha 
Science
what determines the movement of global winds
asked by M 
chemistry
Calculate the molarity of a solution made by adding 47.2g of NaNO3 to a flask and dissolving it with water to create a total volume of 1.80L .
asked by Sam 
Math
Find the variable for the following 3x3 matrix. x 3 1 2 1 2 4 1 x Note: This entire matrix =10
asked by Jenny 
maths please help and explain
1.simplify with the aid of a calculator Keys: " =degrees sin21"40^1+cos23"50^1
asked by Anonymous 
chemistry help
A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. B. How many moles of NaOH were
asked by jk 
math
Writ anumerical. Expression for each word phrase 18 less 25
asked by hala 
chemistry help
In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
asked by jk 
English
I am doing argument essay on learning in the traditional classroom is better than online. I cannot figure out how to do my thesiS.my teacher wants it fits the is/not thesis/antithesis formula.
asked by m 
Chemistry
What would be the procedure for titrating a beverage to determine the concemtration of weak acid? What reagents would be needed? What appropriate measurements and observations must be made?
asked by Anonymous 
7th grade math
Can you check the following? 1. (1/3)x = 5 multiply both sides by 3 because dividing by fraction is same as multiplying by its reciprocal, right? Ans: 5(3)= 15 2. x  (3) = 8 + (3) + (3) x = 11 3. The signup fee to join Flexible Fitness Gym is
asked by Alexis 
Science
Which statement describes the relationship among the sun wing and ocean currents A. The sun heats the ocean surface causing water to evaporate producing wind currents B.The sun heats earth unequally cuaing winds that drive ocean surface currents C.The sun
asked by M 
Physic
If your weight on Earth is 637 Newton, what is your mass in kg?
asked by Christian 
Physic
A car accelerates from 5.0m/s to 22m/s in 18 seconds, find the acceleration.
asked by Christian 
Physic
How far does a cyclist travel when she accelerates from rest to 6.5m/s in 22s?
asked by Christian 
career help
When you ask yourself, Is this goal within my reach given my current situation? You are seeing if your goal is: Specific Measureable Attainable Realistic is it a or d
asked by Oscar 
exponential equations
The City of South Bay has a current population of 85 000. If the city is increasing at a rate of 7.25% per year, calculate the future population in 8 years time. Round to the nearest person.
asked by Anonymous 
math
A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An observer whose eyes are 5 ft above the floor stands x feet from the wall. How far away should the observer stand to maximize the
asked by Linda 
prob. & stat
A group of 150 students were asked to identify 55 flowers. The relative frequency table shows the results. About how many students identified at least 42 flowers? 06 5 713 14 1420 6 2127 11 2834 19 3541 29 4248 13 4955 3
asked by sweet12 
Math
How do I solve this inequality? 3x
asked by Amy 
Chemistry
High concentration of iron (III) ions, Fe3+, cause hard water. Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.
asked by sharon 
prob. & stat.
A pond is freshly stocked with 15 brown trout and 9 lake trout. The first fisherman in the area catches and releases a trout. He catches another trout a while later. What is the probability that the fisherman caught brown trout each time?
asked by sweet12 
math
The vertices of ^ABC are A (2,5), B(3,5) AND c(3,3) The Triangle is reflected over the xaxis. I think the answer would be A(2,5), B(3,5), C(3,3) >(2,5), (3,5), (3,3)
asked by Lost 
career help
one year ago This degree program is designed to prepare students to enter a career upon completing the degree with no further study required. Some are transferable to a state university program to continue education. Associate in Arts (AA) Associate in
asked by Oscar 
cda
The Afterschool Education and Safety (ASES) program, created in 2002, provides funds for programs A. to keep children off of the street and in school. B. focusing on literacy, homework assistance, and youth development. C. throughout America increasing
asked by Kaleisha 
chemistry
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 4.05 g of hydrobromic acid is mixed with 0.86 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by
asked by Anonymous 
Math
Of 1901 people who came into a blood bank to give blood, 315 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure
asked by Jorge 
cda
Leaders should use knowledge of how to organize and administer a program to develop activities and experiences that are developmentally appropriate, meaningful, and A. intellectual. B. fun. C. expensive. D. exclusive. I choose B
asked by Kaleisha 
6th Grade Geometry Help and A.S.A.P!!
I forgot so, when calculating a circle's circumference, and area do you measure the circle in inches or centimeters? Also, calculating a rectangular prism's surface area and volume do you use inches or centimeters to measure it? Thanks. Please answer as
asked by MusicLover14 
English
What does refute the reasons mean ?
asked by Shelly 
Reed
Hey Reed u told me u will check my essay and u didn't check it so i posting in this post! PLZ remove the last post which was Yesterday cause I posted my essay there and after u check let me know. Plz don't remove this until I reply so I can see ur reply!
asked by Anonymous 
chemistry
calculate the change in pH when 5 ml of 0.01M HNO3 is added to 50 ml of water. I know how to calculate pH, but not when it is changing.
asked by Yvonne 
physics
A rod with a length L = 0.385 m and a nonuniform linear mass density rests along the y axis with one end at the origin. If the linear mass density of the rod is given by λ = (5.00 ✕ 10−2 kg/m) + (1.50 ✕ 10−2 kg/m2)y then a) what is the total mass
asked by Pissed off at this question rn 
chemistry
how to prepare 1 L of 2.5M nitric acid from 69% of concentrated nitric acid?
asked by epis 
Calculus
Use implicit differentiation to differentiate y=x8/37, by writing it as y37=x8. Express your answer only in terms of x.
asked by Anonymous 
Finance  Loans problem
Reiny the answer 307.33 you posted at the bottom is coming up incorrect. please if you can help i would be very grateful. A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay
asked by Anonymous 
Programming
3.Do the planning and write algorithm to solve for following problem. There are 15 pupils in the Introduction to Programming I module. The age of every student is entered in years and months. Convert the age into months to calculate the average age.
asked by Baba 
algebra
Marcus plotted the points (0,0),(6,2),(18,6), and (21,7) on a graph. He wrote an equation for the relationship. Find another ordered pair that could be a solution of Marcus's equation.
asked by ks 
6th Grade Geometry Help Please
Hi again, so when calculating a circle's dimensions, circumference and area do you use the squared symbol and for a rectangular prism's dimensions, surface area, and volume do you use the squared symbol? Please respond quickly!!! Thank You Very Much.
asked by MusicLover14 
Math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March
asked by Tony 
calculus
(1 pt) When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 390 cm3, and the pressure is 75 kPa (kPa =
asked by emily 
Math
If it costs $500 per ton to ship a vehicle, how much will it cost to ship a minivan that weighs 4,500 pounds?
asked by Amy 
Calculus
1 pt) For positive constants k and g, the velocity, v, of a particle of mass m at time t is given by v=mg/k(1−e−kt/m). At what rate is the velocity is changing at time 0? At t=8? What do your answers tell you about the motion? At what rate is the
asked by Jen 
Math
Find all the possible values of the expression. sin^1 (square root3/2) Ans: 4π/3 + (2π)n 5π/3 + (2π)n
asked by Anonymous 
probability
Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0
asked by alec 
Math
Are the following expressions equivalent? Prove your answer. 5(3x+2) and 15x+10
asked by Amy 
math
what is 4(y*y)? is it 4y*4y, or can u not distribute, and why?
asked by eric 
algebra
how can you write a proportion that solves a problem in real life? can someone give me some ideas please?
asked by lou 
statistics
Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0
asked by alec 
Algebra
Factor the following as if it were a trinomial 9t^1/125
asked by Vicki 
Physics Help Please
A solenoid 20 cm long is constructed from 500 loops of wire and carries a current of 5 A as seen the diagram below. A tiny hole is drilled through the diameter of the solenoid in such a way that the current through the solenoid is not disrupted. If an
asked by help please! 
phiscis
a person in a wheelchair with a total mass of 100 kg is pushed from rest to a speed of 2.0m/s. if the effective coefficient of friction is .05 and the distance moved is 15 m calculate the work done, calculate the average force that must be exerted on the
asked by masi 
physics
. An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?
asked by emma 
physics
A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?
asked by emma 
Algebra
Simplify the following into a single expression x^3/(x^21)^5/8 + 2x(x^21)^3/8
asked by Vicki 
Algebra 2
Verify the identity . cot (tretapi/2) = tan treta
asked by Ciaria 
MATH
A cardboard sheet is of rectanguler shape with dimensions 48m x 36m. From each of its corners,a square is cut off so as to make an open box. if the side of the square of the square is 8m, find the volume and lateral surface area of the box.
asked by SHUBHAM 
Physics Solenoid Questions
1) A technician has been given wire that can safely carry 5 A. She has been instructed to construct a solenoid that will have a magnetic field of 0.06 T at its center. After completing some tests of the wire, the technician finds that the tightest safe
asked by Meli 
Algebra
Two players have the same batting average. Player 1 At bats: 132 Hits: 45 Player 2 At bats: 32 Hits: 45 Player 1 gets four hits in the next five at bats. Player 2 gets three hits in the next three at bats. Who has the higher batting average? Does this seem
asked by Boo 
Physics
If you take a pendulum clock from Paris to Cayenne, French Guiana, it loses 2.5 min each day. If the period of a pendulum of given length is proportional to 1/sqrt(g), and if g = 980.9 cm/s^2 in Paris, what is g in Cayenne? ...Um...I'm not entirely sure
asked by Nora 
Math
Mrs. Birdsong charged a total of $3,450 for 30 pieces of her pottery. She charged the same amount for each of the remaining pieces. How much did she charge per piece if pottery?
asked by Amy 
English
1. What a messy room! Can you give me a hand cleaning it, Matt? 2. What a messy room! Can you give me a hand which will clean it, Matt? ======================= Does #1 mean #2?
asked by rfvv 
English
Let's make it at six in the evening.  That's too late. How about an hour earlier?  Good, see you then. =================== Does 'make it' mean 'meet'?
asked by rfvv 
Math (ASAP)
Find the variable for the following 3x3 matrix. x 3 1 2 1 2 4 1 x
asked by Jenny 
physics
A student measures the index of refraction of a gooey, transparent liquid to be 1.41. How fast does light travel in this liquid?
asked by jordyn 
History
PLEASE HELP, I need to get this done in 2 hours 1. What was the effect of World War I on South Carolina? A. The state economy shrunk significantly. B. Citizens used more resources, such as meat and fuel, than before the war. C. Factory production slowed
asked by Sterling 
chemistry
calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol. I know you can calulate for Q and use that but how do you do the calculation when you don't have the atm for the final product.
asked by Yvonne 
chem
How many grams of CO2 are produced when 11.47 moles hexane combust? My work:I balanced the equation like so C6H14 + 19/2 O2 ==> 6CO2 + 7H2O My teacher taught us the 19/2 was valid My work: 11.47 mol C6H14 * 6 CO2/1 mol C6H14 * 44g/mol/1 mol CO2 = 3, 028 g
asked by Sarah 
English
1. Pets welcomed 2. American and Indian food served =============== Can the expression be used as titles?
asked by rfvv 
chem
if one pound (454g) of hexane combusts how many grams of water are produced? my work: 454 g C6H14 * 1 Mol C6H14/86 g C6H14 * 7H20/1 mol C6H14 * 18 g O2/ 1 MOL H2O = 665.2 grams of H2O
asked by Sarah 
MATH
AB and CD are two chords equidistant from the center O. OP is the perpendicular drawn from center O to AB. if CD=6 cm. find PB.
asked by SHUBHAM 
English
1. Take it easy. 2. Make yourself at home. 3. Make yourself comfortable. ============ Are they the same in meaning? Do we have more similar expressions?
asked by rfvv 
economics
Given a demand fxn of 202P and a supply fxn of 4+P for a perf. competitive market: 1. Calculate the equilibrium price and qty. (I got e. price = 4 and e. qty = 8 is that right?) 2. Calculate producer surplus, consumer surplus. (i got 8 and 4) 3. if the
asked by Eco 
Algebra 2
Verify the identity . cot ( theta  pi / 2 )=  tan theta
asked by Ciaria 
English
Jhon and amy  things.(to swap)
asked by k 
Algebra 2
Find the values of the 30th and 90th percentiles of the data. Please show your work. 129, 113, 200, 100, 105, 132, 100, 176, 146, 152
asked by Ciaria 
chemistry
calculate the grams of 1.8% (m/m) NaCl solution that contains 8.00 g of NaCl I tried 1.8 times 8.00g divided by 58.44g times 100 my answer is 24.6g rounded to 2 SF is 25g this truned out to be wrong I'm stumped!
asked by k 
Math
the car on the hydraulic lift in figure 222 has a weight of 16,170 N. Piston B has a surface area of 5,005 centimeters cubed; Piston A has an area of 65 centimeters cubed. What force must be applied to Piston A to lift the call? I tried to do 16,170 by
asked by Aubry 
Algebra 2
Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (0.2/x) and y= (0.3/x) 0.05, 0.075 , 0.1, 0.15 ?
asked by Ciaria 
Chemistry
how many grams of sugar would be needed to give a 50.00 mL solution of FD&C Red Dye a concentration of 6.0% sugar?
asked by Capria F. 
Algebra
The difference of two whole numbers is 27.The greater number is 3 less than twice the smaller.What are the numbers?
asked by Marc 
physics
(b) A boy wishes to walk on ice block at a constant speed. The coefficient of sliding friction for steel on ice is 0.05 and the boy weighs 150 N. Find the force required to keep the boy moving at a constant speed along the ice.
asked by tiisla 
Programming 1
1.Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees
asked by George 
Math
What part of a yard is 1 1/2 feet?
asked by Alyson 
Maths
ann bought 5/8kg of tomatoes to make a salad dish 2/5 of the tomatoes were rotten and the rest were fresh what was the mass of fresh tomatoes
asked by Asha 
Algebra 2
Use trigonometric identities to solve each equation for the given domain. sin 2θ = cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help
asked by Bob 
chemistry
0.1 mol of an organic acid is added to 600 ml of 0.5M KOH solution. The resulting basic solution can be neutralized by 200 ml of 0.5 M HCl solution. Which acid is ot?
asked by lalala 
Please Help me with a Finance  Loan problem
A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking
asked by Tina 
cda
Which of the following is included within the domain of social and emotional development? A. Memory B. Physical growth C. Gender identity D. Motor development I choose D
asked by Kaleisha 
Chemistry
how many grams of Nano3 are in 0.755 moles of nano3
asked by Steven 
Exponential Equations
The Bruce’s purchased $2500 worth of GIC’s. How long, t, will it take for the investment to increase to $3500, if the interest rate is 2.75%. What is the Fv and Pv
asked by Anonymous 
Chemistry
How many moles of H2O are in 12.7 grams of H2O?
asked by Andrew 
Math
A television company agrees to establish a community antenna in a new suburb at a charge of $5 each for 1000 subscribers or less.To encourage more subscribers,it is agreed to give a discount of $ 0.10 to each subscriber for every additional 10 subscribers
asked by Alisha 
math please help
Point X is on line AC such that AX = 3 CX = 12. If
asked by Gem 
chemistry
the complete electrolysis of 90 grams of water will yield
asked by seyimichael 
writing skills
4. Read the following paragraph. Then answer the question that follows it. Next, with your right hand, make the wide part of the right end into a loop, holding the two narrow parts between your thumb and your index finger. Take the left end with your left
asked by Perry 
Exponential Equations
The Bruce’s purchased $2500 worth of GIC’s. How long, t, will it take for the investment to increase to $3500, if the interest rate is 2.75%. T= 3500/2000 =1.4 t= 1.4/1+0.0275 What do I do from here
asked by Anonymous 
Math
The point C(3, 1)is translated to the left 4 units and up 1 unit. How do I write a rule to describe the translation?
asked by Lost 
History
Which key geographic feature most defines the landscape of western South America? A.) Andes Mountain B.)Pampas C.)Amazon River D.)Atacama Desert
asked by J.D 
Math please help
A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 9. I tried to approach this by finding the hypotenuse, which i found was 10, then i used that to find the
asked by Gem 
math
The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers
asked by Sarah 
reading and writing
Which of the following titles is made more effective by alliteration? A. Guns: Our Lethal Heritage B. Ruby, the Rose of Roslyn C. Now You See It; Now You Don't D. What's in a Name? my answer is b.
asked by Clare 
physics
(a) Find the electric potential difference V B − V A due to a point charge q 1 = −2.65 nC that is 0.250 m from location A and 0.410 m from location B. V (b) A charge q 2 moving from B to A gains in kinetic energy. What is the sign of this charge?
asked by mathew 
math
solve the equation 6y2=8y5
asked by lindsay 
math please help
Point X is on line AC such that AX = 3 CX = 12. If
asked by Gem 
Algebra 116
A clothing store offers a discount on all purchases. What is the discount in dollars (before tax)for an item originally costing $24.00 d0llars
asked by Alken 
writing skills
2. Because information listed on a website can change from day to day, _______ must be included in the end citation on the Works Cited page.A. the title of the siteB. the publication dateC. the date of accessD. the URLStudent Answer: B Answer:
asked by ellie 
Physics
A hockey player is initially moving at 5.00m s to the east. Her mass is 50.0 kg. She intercepts and catches on her stick a puck initially moving at 35.0m s at an angle of 30 degrees (Fig. 6.40). Assume that the puck’s mass is 0.50 kg and the two form a
asked by Dave 
MAth please help
Point P is inside rectangle ABCD. Show that \[PA^2 + PC^2 = PB^2 + PD^2.\] Be sure that your proof works for ANY point inside the rectangle. Any suggestions on how to work this? Not sure how to do this or what equation i need to use.
asked by Gem 
Sciene
Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment,
asked by Melody 
History
6. Which of the following Civil War era presidential orders directly impacted 13th Amendment A.homestead Act B.Wilmot Proviso C.Lecompton Constitution D.Emancipation Proclamation D? 7.Why did lincoln exclude west virginia from the effects of Emancipation
asked by M 
reading and writing
What type of expression would you use in an essay if you wanted to connect a new sentence to one that precedes it? A. Expressive B. Tracking C. Effective D. Transitional my answer is d.
asked by Clare 
Latin
1. the second paragraph begins with the sentence " Offsetting his strength was a noticeable lack of intelligence or wisdom ". Use evidence from the text to support this claim. I NEED HELP
asked by Megan 
geometry
afence is to be built on the diagnal of a rectangular dog park which is 250ft by 200ft to the nearest tenth of a foot. how much fence will be required?
asked by ky 
Algebra II
Logarithms The brightness of an astronomical object is called its magnitude. A decrease of five magnitudes increases the brightness exactly 100 times. The sun is magnitude 26.7, and the full moon is magnitude 12.5. The sun is about how many times
asked by Anonymous 
Math
1. Ashlyn took out a loan for $700 to buy a new Tv. The bank to going to charge her 3% compound interest. What amount will Ashlyn owe the bank after 3 years 2. Determine the value of a $100 investment earning 10% compound interest over 2 years.
asked by Tisy 
biology
What is relative dating?
asked by stupid 
Science
Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a solenoid. Once you have an experiment plan carry out your experiment and record your data. After you have finished conducting
asked by Melody 
Economics
Given a demand fxn of 202P and a supply fxn of 4+P for a perf. competitive market: 1. Calculate the equilibrium price and qty. (I got e. price = 4 and e. qty = 8 is that right?) 2. Calculate producer surplus, consumer surplus. (i got 8 and 4) 3. if the
asked by Anonymous 
reading and writing
Which of the following is not an example of a transition word or phrase? A. Consequently B. Or C. Beyond D. For instance my answer is c.
asked by Clare 
math
Solve for x and y simultaneously x+y=2 and 3x^2+4xy+y^2=6
asked by johnas 
chemistry
a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was
asked by jk 
chemistry
A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. A. what volume of 0.35 M NaOH was
asked by jk 
Finance  Loans problem please help
A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking
asked by Tina 
math (urgent)
A basketball or some stadium holds 20000 people. On average 140000 come to see the match. Average ticket price is $75. market research shows that if ticket price is decreased by $5 800 more people buy tickets. Find the price that will maximize revenue and
asked by Alisha 
HELP MEH PLS
Marie and Pierre Curie coined which term to describe the ability of certain elements to give off radiation spontaneously? AM signals travel as changes in ____ Why does the wave of light bend toward the normal as it enters water? The Curies discovered which
asked by Who am I? That's a secret I'll never tell. You kno 
engr
what useful product can you make using recyclable items?
asked by sara 
Finances
Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $ can anyone help me
asked by Mimi 
chemistry
In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
asked by jk 
reading and writing
Which of the following is not an example of a transition word or phrase? A. Consequently B. Or C. Beyond D. For instance I need help with this answer. I thought is (c) but is not.
asked by Clare 
fluids
What are the three benefits of a fluid system as the prime mover in a system? Explain each benefit.
asked by emma 
fluids
A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?
asked by emma 
fluids
An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?
asked by emma 
us history
Who explored enough of South America to deem it a new continent?
asked by april 
reaing and writing
Cary and Vince are discussing titles for their essays. In developing a good title, Cary will create a title using alliteration. Vince will use a vague, broad title. Who is using a better strategy to develop a good essay title? A. Both Cary and Vince B.
asked by Clare 
Algebra Please Help
Complete the table for the given function. x y = x^2 + (3) 0 1 2 3 A. 3, 2, 1, 6 C. 3, 4, 7, 12 C. 0, 1, 4, 9 D. none of the above Thanks!
asked by Anonymous 
Chemistry
how many grams of KCIO3 can be dissolved it 50 g h20 at 50 degrees celcuis?
asked by Linda 
History
7.Why did lincoln exclude west virginia from the effects of Emancipation Proclamation? A.West Virginina had not yet been captured by Union Forces B.West Virginia threatened to secede if Lincoln freed their slaves too C.West Virginia was a Union state and
asked by M 
Chmeistry
How can solubility of a solution be written?
asked by Linda 
math help needed bad
I'm really confused on how to answer this question. Can someone help me to figure this out? Thank you A survey about the student government program at a school finds that of 245 students: 218 like the program 27 students think this program is
asked by Confused 
History
1. Why is Lincoln giving a speech at Gettysburg? A.To declare the Confederacy an outlaw nation B.To declare that to goal of the Union is to abolish slavery C.To dedicate a national cemetery for Union and Confederate dead D.To try Confederate soldiers for
asked by M 
History
5.Lincoln gave the Bettysburg Address in 1863. He states that, "Four score and seven years ago our fathers brought forth on this continent, a new nation." Knowing that a score is twenty years, what date is Lincoln referring to in our nations history A.1787
asked by M 
Physics
A Van de Graaff generator is a device for generating a large electric potential by building up charge on a hollow metal sphere. A typical classroomdemonstration model has a diameter of 30 cm. How much charge is needed on the sphere for its potential to be
asked by MMM