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Questions Asked on March 1, 2015

The sum of the ages of Dorothy and Dona is 41. In five years, Dorothy will be twice as old as Dona. Find their ages 3 years ago.
1. 0 answers
2. asked by Liza
3. 451 views
i want to lay carpet in a rectangular room30x20 how much carpet will i need
1. 2 answers
2. asked by art
3. 395 views
What is the uncertainty (+/- ?) of molar concentration (M)?
1. 1 answer
2. asked by Anonymous
3. 363 views
The function is r(t)= 400texp(-0.2t^2) and it shows the rate at which people show up in a line outside a theatre to buy tickets.
1. 1 answer
2. asked by Integration
3. 579 views
One of the ways to produce iron is to take iron(II) oxide and react it with carbon monoxide to get pure iron and carbon dioxide.
1. 2 answers
2. asked by danny
3. 883 views
a rectangular loop with a=6.0 cm, and b=4.0 cm, moving with a velocity v=8.0 cm/s into an area where the magnetic field is
1. 1 answer
2. asked by Ciel
3. 601 views
A 39-turn circular coil of wire has a diameter of 1.2m. It is placed with its axis along the direction of the Earth's magnetic
1. 1 answer
2. asked by Katie
3. 683 views
A 2200 kg car traveling at 8.7 m/s collides with a 2750 kg car that is initially at rest at the stoplight. The cars stick
1. 0 answers
2. asked by Amy
3. 534 views
A sweater is on sale for 25% off the original price. The original price is $50 write a solution to calculate and print the sale
1. 3 answers
2. asked by Jonson Anderson
3. 1,955 views
Which of the following examples describes a child in the symbolic level?A. A child who can't identify numbers above 10 B. A
1. 1 answer
2. asked by lauren
3. 690 views
Michael has designated 5% of his paychecks for the year for presents (birthday, Monther's day, etc.) Write a solution to
1. 1 answer
2. asked by Gary
3. 595 views
1 0 2 −2 01 0 0 1 0 −1 −1 2 0 0 0 −1 2 1 0 Is the set S = {v1, v2, . . . , vk} linearly independent?
1. 1 answer
2. asked by sam
3. 430 views
Can someone help me with this question?In the game of craps, a player loses a pass line bet if a sum of 2, 3, or 12 is obtained
1. 0 answers
2. asked by Anonymous
3. 547 views
(Rewrite each fraction with all the variables in the numerator) 8c^5/11d^4 e^-2
1. 1 answer
2. asked by lol
3. 748 views
1) charisma:A)feelings. B) personal appeal. C)luck 2)contemporary A)common. B) old-fashioned C)today's 3)contend A)to wish B) to
1. 1 answer
2. asked by Celine
3. 538 views
To match figures with corresponding silhouettes, children need to develop the concept ofA. spatial relations. B. graphing. C.
1. 3 answers
2. asked by lauren
3. 454 views
In the laboratory you are asked to make a 0.574 m iron(III) nitrate solution using 315 grams of water.
1. 1 answer
2. asked by qua
3. 516 views
To make 4 1/2 gallons of ice cream, it takes 6 3/10 gallons of milk. How many gallons of milk does it take to make one gallon of
1. 3 answers
2. asked by Angel
3. 761 views
Using x hours of skilled labor and y hours of unskilled labor, a manufacturer can produce Q(x,y)=40xy1/5 units each week.
1. 3 answers
2. asked by Bill
3. 2,660 views
Which of the following sentences uses a predicate noun?A. When you leave, I will feel sad. B. My sister is their most valuable
1. 1 answer
2. asked by Elizabeth
3. 903 views
An understanding of which of the following processes is needed to do patterning skills?A. Pictorial mapping B. Algebraic
1. 3 answers
2. asked by lauren
3. 424 views
An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles,
1. 1 answer
2. asked by Carol
3. 701 views
A 4.1 g dart is fired into a block of wood with a mass of 20.2 g. The wood block is initially at rest on a 1.2 m tall post.
1. 2 answers
2. asked by Betty
3. 1,463 views
Science scores for high school seniors in the United States are normally distributed with a mean of 78 and a standard deviation
1. 1 answer
2. asked by JOE
3. 779 views
IS this a good research question?What stage of childhood development does research show how experiences affect brain development
1. 1 answer
2. asked by De
3. 519 views
1. ratio a is equivalent to ratio b. ratio b is equivalent to ratio c. is ratio a equivalent to ratio c?2. you are 13 years old,
1. 3 answers
2. asked by elivia
3. 1,756 views
Write a research paper detailing the criminal justice systems of England and Malaysia, and outline any differences in how
1. 3 answers
2. asked by Anonymous
3. 743 views
A 45.4 grams of a gold metal sample was heated with the amount of energy of 228 J. Which of the following would the most
1. 1 answer
2. asked by Heather
3. 725 views
A car dealer determines that if gasoline-electric hybrid automobiles are sold for x dollars apiece and the price of gasoline is
1. 0 answers
2. asked by Bill
3. 641 views
Three cylindrical blocks x, y and z are made of different materials of densities 2g/cm3, 5g/cm3 and 10g/cm3 respectively. If the
1. 1 answer
2. asked by JUBA
3. 684 views
____1__ young people may be able to list the many accomplishments of the Reverend Dr. Marting Luther, King jr. They may know
1. 3 answers
2. asked by Sora
3. 967 views
Use an apostrophe when writing about someone (a noun) that has possession of something. A) true b) false. Is the answer a) true?
1. 1 answer
2. asked by josh
3. 630 views
formation about the Maxwell Company's inventory of one item during 2010 is given below.Units Unit Cost Beginning Inventory, Jan
1. 3 answers
2. asked by Lorilori
3. 807 views
Discuss how your supernatant color in the 6 different test tubes supports your calculated result in #2. For example, if you used
1. 2 answers
2. asked by Chem
3. 691 views
How many different 9 letter code words can be made using the symbols %%%% &&& ++
1. 1 answer
2. asked by Anonymous
3. 928 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25.
1. 1 answer
2. asked by Denise
3. 459 views
A model helicopter and its load have a combined mass of 3.5 kg. Find the upward average force, in Newtons, exerted by the air if
1. 2 answers
2. asked by wayne
3. 1,478 views
A bug starts walking away from the top of a spherical ball of ice and will start to slip when the normal force exerted on it
1. 0 answers
2. asked by wayne
3. 691 views
What is the ph of 0.25 M tartaric acid? Ka=2.5*10^-5M
1. 1 answer
2. asked by brad
3. 487 views
What is the pH of the resulting solution when 0.20 mole of NaF and 0.05 mole HCl areadded to 100 mL water? The Ka for HF is
1. 1 answer
2. asked by Mike
3. 444 views
What is the ph of a soulution made by adding 0.20 mole NH3(aq) to 0.30 mole NH4Cl and 0.10 mole KOH to 100ml of water?Kb for NH3
1. 1 answer
2. asked by nick
3. 751 views
there are 3 numbers, a,b and c. the sum of a and b is 15.31 , the sum of b and c is 9.54,and the sum of a and c is 5.15. find
1. 0 answers
2. asked by vic
3. 382 views
Suppose that the distance of fly balls hit to the outfield (in baseball)is normally distributed with a mean of 250 feet and a
1. 3 answers
2. asked by Gail
3. 2,245 views
How to find the crude percent, percent recovery, and percent composition of benzoic acid and acetanilide if 2 grams of a mixture
1. 2 answers
2. asked by Siannah
3. 1,079 views
Why do you think the wave aspect of light was discovered earlier than its particle aspect?
1. 1 answer
2. asked by Channing
3. 432 views
Human Resource Essay?
1. 1 answer
2. asked by selokela monyeki
3. 394 views
Suppose for the same 3000 women, we also measured their weight. Suppose the data were again normally distributed. The average
1. 1 answer
2. asked by marie
3. 652 views
What are the values (negative) being taught in this advertisement? The advertisement is trying to sell a military style watch.
1. 2 answers
2. asked by Marcus
3. 583 views
What are the values (negative) being taught in this advertisement? The advertisement is trying to sell a military style watch.
1. 1 answer
2. asked by Marcus
3. 693 views
To what the extent can inttrapesonal conflict affect communication in arelationship, choice of career and job performance when
1. 2 answers
2. asked by kgeko
3. 588 views
16000000=10r-r^2. Calculate the maximum value of r.
1. 0 answers
2. asked by vizzy
3. 429 views
If a population has a standard deviation σ of 18.2 units, what is the standard error of the mean if samples of size 25 are
1. 1 answer
2. asked by slomomo
3. 1,282 views
An isosceles triangles, such that the vertical angle is 4times the size of the base angle.what is the size of the base angle
1. 1 answer
2. asked by Tina
3. 442 views
What extent can intrapersonal conflict affect choice of a career.
1. 3 answers
2. asked by Koketso
3. 1,025 views
What volume of ammonia gas at STP is required to neutralize 40 cubic centimetres of 2 Molar sulphuric acid?
1. 1 answer
2. asked by Czar
3. 441 views
A car has a uniform velocity of 108km/h. How far does it travel in 1/2 min
1. 17 answers
2. asked by Godspower
3. 7,310 views
If you 99 lines on a piece of paper so that no two lines are parallel to each other and no three lines pass through the same
1. 1 answer
2. asked by thabang
3. 615 views
health status of the Philippines??
1. 1 answer
2. asked by Anonymous
3. 410 views
Find out the partial derivative w.r.t 'x' and 'y' off (x,y) = log(y) x Now, log(y) x = ln x / ln y Partial Diff w.r.t 'x' = 1/ x
1. 1 answer
2. asked by Akki
3. 1,649 views
Robby uses his knowledge of how many marbles fit in a scoop to predict how many marbles will fill ajar. This concept is known as
1. 1 answer
2. asked by lauren
3. 417 views
I an taking a pre test and I can't figure this question out at all---56x^7+21x^4+63^3
1. 0 answers
2. asked by Debbie
3. 370 views
a object that is 3.9 feet tall cast a shadow that is a 11.7 feet long. how long in feet would the shadow be in feet if the
1. 1 answer
2. asked by tameka
3. 443 views
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol.Calculate the following:- A. The heat
1. 0 answers
2. asked by Bettina
3. 568 views
find the area in the first quadrant bounded above by y=sinx, below by the x-axis, and to the right by x=pi/2 is divided into two
1. 0 answers
2. asked by Josh
3. 433 views
Find the area in the first quadrant bounded by the curve y=(9-x)^1/2 and the x- and y-axis.
1. 0 answers
2. asked by Max
3. 464 views
The curve y=x^3 intersects the line y=7x-6 at three points, (-3,-27), (1,1), and (2,8). Find the total area bounded by y=x^3 and
1. 0 answers
2. asked by Isaac
3. 517 views
The curves y=sinx and y=cosx intersects twice on the interval (0,2pi). Find the area of the region bounded by the two curves
1. 1 answer
2. asked by Ian
3. 732 views
a block of ice slides down a 45degree inclined plane in twice the time it takes to slide down a 45degree frictionless inclined
1. 0 answers
2. asked by Anonymous
3. 708 views
a block of ice slides down a 45degree inclined plane in twice the time it takes to slide down a 45degree frictionless inclined
1. 2 answers
2. asked by ogba
3. 988 views
A group of soldiers hid at the bottom and against the wall of a 100 m. high cliff. Unknown to them, the Evil rebels have
1. 0 answers
2. asked by akocciara
3. 520 views
calculate the difference between the compound interest and the simple interest on R2000000 at 6% p.a. after 3 years
1. 0 answers
2. asked by nonopa Athi
3. 444 views
In a test of the effectiveness of garlic for lowering cholesterol, 44 subjects were treated with garic in a processed tablet
1. 3 answers
2. asked by slomomo
3. 1,371 views
Find the volume of the solid generated by rotating the area bounded by y=x^2 and x=y^2 about the x-axis.
1. 0 answers
2. asked by Jacob
3. 433 views
Can i possibly be accepted for land surveyor if am doing these subject
1. 2 answers
2. asked by neliswa
3. 424 views
How can I solve the diagonal of a cube with a formula of s square root of 3, if the given is csc x = 2 ? how will i solve for
1. 1 answer
2. asked by Ammiel
3. 414 views
The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest
1. 1 answer
2. asked by Valdo
3. 1,192 views
vani scores 90% in 5 subjects and veena score 80% in 4 subjects who scores more?
1. 1 answer
2. asked by arnav
3. 441 views
If I have 50.0 mL of HA at a concentration of 1.20M and 50.0 mL of NH4OH at a concentration of 0.92M, how many moles of the
1. 3 answers
2. asked by Sara
3. 525 views
From 1990-1994 the mail order sales of health products can be modeled by S= 10t^3+115t^2+25t+2505 where S is the sales (in
1. 2 answers
2. asked by .
3. 912 views
Workers who manufacture shirts are sometimes paid based on the number of shirts they produce. Compute Lyle's gross pay if she
1. 1 answer
2. asked by trieu
3. 793 views
Can someone tell me if I did this combined gas law problem correctly?What would happen to the volume of a container whose
1. 1 answer
2. asked by Theresa Kwnt
3. 960 views
if you 99 lines on a piece of paper so that no two lines are parallel to each other and mo three lines pass through the same
1. 1 answer
2. asked by tebatso
3. 533 views
Find the area of the bounded region by the graph of x=2y-3 and x=y^2-2y in two ways(i) using x axis as refrence y axis (ii)
1. 0 answers
2. asked by Akki
3. 469 views
Please help with these two problems!1. 566g of C12H22O11=______ C atoms 2. 12 molecules chlorine gas= ________ atoms of Cl
1. 1 answer
2. asked by Anonymous
3. 507 views
How much influence do stock holders likely to have over a management of the conglomerate or one of its company?
1. 0 answers
2. asked by Chervon
3. 345 views
A standard KHP solution is made by dissolving 2.12 grams of KHP in 100.00 mL of water. The KHP solution is then titrated with
1. 1 answer
2. asked by Anonymous
3. 1,087 views
Procedure0) The sodium phosphate, Na3PO4 solution has NPFA ratings of 1 (out of 4) for health, 0 for fire, and 0 for reactivity.
1. 1 answer
2. asked by Chem
3. 826 views
Question 2: Use your balanced equation to calculate the volume of 0.12 M Na3PO4 to stoichiometrically react with the 3.0 mL of
1. 4 answers
2. asked by Question
3. 1,719 views
A quiz consists of 10 multiple-choice questions. Each question has 5 possible answers and only one of them is correct. A student
1. 1 answer
2. asked by Amriajasmine
3. 1,308 views
CH4+2O2----------CO2+2h2OUse this balanced equation to calculate the mass of water formed when 32g of methane burns
1. 4 answers
2. asked by Victoria
3. 1,600 views
3x-14y=O and x-4y+1=0
1. 1 answer
2. asked by Lee
3. 756 views
By means of a pratical example, describe the conflict that exists between the SHOULD and the WANT as discussed in the source
1. 3 answers
2. asked by Codesa
3. 601 views
Show the link between intrapersonal conflict and initiating relationship?
1. 1 answer
2. asked by Anonymous
3. 682 views
in the article " Letter From Jackie Robinson on Civil Rights " for short response 1 I cant find what African americans want to
1. 4 answers
2. asked by Megan
3. 1,210 views
10.Which Piece Of Evidence Supports a Loosening of Islamic Tradition In saudi Arabia? A)The Hijab B) Five Pillars C)Women
1. 6 answers
2. asked by Valerie
3. 878 views
Robby uses his knowledge of how many marbles fit in a scoop to predict how many marbles will fill ajar. This concept is known as
1. 1 answer
2. asked by lauren
3. 382 views
The story of a disabled athlete who became well known :narrative story
1. 4 answers
2. asked by jacqueline
3. 603 views
what is the balanced chemical equation for (NH4)2SO4 + CuSO4.5H2O?
1. 1 answer
2. asked by Bonga
3. 893 views
social, political, and economic changes made under the tokugawa shogunate
1. 1 answer
2. asked by rosie
3. 881 views
A projectile is launched with 30m/s at an angle of 60degree with d horizontal (a) find d position of the projectile,and d
1. 0 answers
2. asked by tolu
3. 467 views

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