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Questions Asked on March 22, 2013

Which color line in the graph appears to have a higher slope and why do you think so?
1. 0 answers
2. asked by batman
3. 26,348 views
For diagonals of square Abcd intersect at e . If ae =2x+6 and bd =6x-10 find ac
1. 5 answers
2. asked by Alice
3. 9,182 views
A ball is projected upward at time t= 0.0s, from a point on the roof 10m above the ground. The ball rises, then falls until it
1. 6 answers
2. asked by Renay
3. 7,633 views
Find the sum of the measures of the exterior angles of a convex 39-gon?
1. 9 answers
2. asked by Mariel
3. 7,403 views
2. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 ->
1. 2 answers
2. asked by jack
3. 6,053 views
The length of one base of a trapezoid is 19 inches and the length of the median is 16 inches. Find the length of the other base.
1. 2 answers
2. asked by Alice
3. 5,910 views
How many ways can a teacher give 5 different prizes to 5 different of her 25 students
1. 2 answers
2. asked by Darcy
3. 5,724 views
what is the Ka for ethylammonium cation,C2H5NH3^+, at 25 celsius?(Kb for C2H5NH2=4.7x10^-4 at 25 Celsius)
1. 3 answers
2. asked by Bb
3. 5,477 views
A national caterer determined that 87% of the people who sampled their food said that it was delicious. A random sample of 144
1. 2 answers
2. asked by Grace
3. 4,209 views
1. briefly summarize the conflict between odysseus and the cyclops.2. in what ways are the sea and the role of poseidon
1. 6 answers
2. asked by ME! PLZ HELP
3. 3,722 views
7.Which of the following types of information is NOT suited for display on a scatter plot? (1 point) relationship between age
1. 3 answers
2. asked by Delilah
3. 2,569 views
The atmosphere in a sealed diving bell contained oxygen and helium. If the gas mixture has 0.200 atm of oxygen and a total
1. 2 answers
2. asked by Double checking ans
3. 2,426 views
The value of Kc for the reaction below is 1.6C(s)+CO2(g)=2CO(g) What is the equilibrium concentration of CO when [CO2]=.50M? The
1. 2 answers
2. asked by Ezra
3. 2,339 views
How many grams of bromine are required to react completely with 37.4 grams aluminum chloride?
1. 1 answer
2. asked by Alejandra
3. 2,297 views
4. Which of the following is true about a trend line for data?The minimum data point always lies on the trend line. Every data
1. 8 answers
2. asked by batman
3. 2,234 views
Lora (of mass 42.8 kg) is an expert skier. Shestarts at 2.3 m/s at the top of the lynx run, which is 114 m above the bottom.
1. 1 answer
2. asked by Anonymous
3. 2,182 views
A solid is known to be either BaCO3 or CaCO3. It is dissolved in 6 M acetic acid. A pale yellow precipitate forms when K2CrO4
1. 2 answers
2. asked by Anonymous
3. 2,169 views
Studying help!Flights of leaping animals typically have parabolic paths. The figure illustrates a frog jump superimposed on a
1. 1 answer
2. asked by John
3. 2,009 views
how can we show that there is no constantin the expansion of [2x – (x^2/4)]^9
1. 1 answer
2. asked by anoynomous
3. 2,002 views
the ka of hypochlorous acid hclo is 3.5 x 10^-8. What is Kb for the hypochlorite ion?
1. 2 answers
2. asked by Bb
3. 1,954 views
THE RAILROAD TRACK BETWEEN TOWN A AND TOWN B IS 500 MILES LONG THE BLUE TRAIN IS SCHEDULED TO LEAVE TOWN A FOR TOWN B AT 2 P.M
1. 6 answers
2. asked by Anonymous
3. 1,944 views
What is the pH of a .0035 M Ba(OH)2 solution.I did -log(.0070) to find pOH So 14-2.15=11.85 pH? Just want to double check.
1. 1 answer
2. asked by Sarah
3. 1,927 views
Let PQ, RS , and TU be parallel chords of a circle. The distance between chords PQ and RS is 4, and the distance between chords
1. 8 answers
2. asked by Knights
3. 1,792 views
Why is an echo weaker than the originalsound? 1. The echo has a shorter wavelength than the original sound due to the
1. 3 answers
2. asked by hannah
3. 1,735 views
Let the total cost function C(x) be defined as follows.C(x) = 0.0008x3 - 0.04x2 + 99x + 4400 Find the average cost function C.
1. 1 answer
2. asked by Kaleia
3. 1,703 views
2. Last week, Roger suddenly quit his job. He told his family he had decided to learn carpentry. He purchased a truckload of
1. 3 answers
2. asked by bookie
3. 1,600 views
Help Please . Aisha drops an antacid tablet in water and times how long it takes to dissolve. Which of the following will
1. 4 answers
2. asked by Brittany
3. 1,578 views
Why does some friction occur with seemingly smooth surfaces?
1. 3 answers
2. asked by Anonymous
3. 1,530 views
Please help me solve this question:A layer of peat beneath the glacial sediments of the last ice age had a carbon-14 content of
1. 2 answers
2. asked by Mon
3. 1,492 views
I REALLY NEED HELP PLEASE PLEASE HELP ME WITH THIS JUST CHECK IF THERE RIGHT IF NOT THEN GIVE ME THE RIGHT ANSWER PLEASE PLEASE
1. 5 answers
2. asked by Destiny
3. 1,482 views
What is the minimum concentration?Determine the minimum concentration of the precipitating agent on the right to cause
1. 2 answers
2. asked by Amy
3. 1,415 views
1. To come up with possible solutions to a problem is referred to as:A. decision making. B. concept mapping. C. critical
1. 2 answers
2. asked by Amy
3. 1,412 views
2. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 ->
1. 1 answer
2. asked by jack
3. 1,404 views
what is Kc at 25 celsius for the following equilibrium?CH3BH3^+ +H2O <==> CH3NH2 + H3O^+ Kb=4.4x10^-4 I got 4.0x10^4 /
1. 1 answer
2. asked by Bb
3. 1,360 views
How many moles of ethyl alcohol C2H6O are in a 25.0 sample?How do I calculate?
1. 1 answer
2. asked by Yaneth
3. 1,356 views
What type graph does not show the number of times a response was givenbox-and-whisker plot line plot stem-and-leaf plot bar
1. 3 answers
2. asked by Mr.Brain
3. 1,330 views
Help please. Aisha drops an antacid tablet in water and times how long it takes to dissolve. Which of the following will
1. 5 answers
2. asked by Brittany
3. 1,287 views
A basketball player who is 2.0m tall is standing on the floor 10.0m from the basket,If he shoots the ball at a 40.0¤ angle witi
1. 1 answer
2. asked by yenebeb
3. 1,281 views
2M +6HCl–>2MCl+3H2 Delta H= -638.0 KjHClg—>HCl aq= Delta H -74.8 Kj H2+Cl2–>2HCl Delta H -1845.0 Kj MCl3s–> MCl3 aq
1. 0 answers
2. asked by Raul
3. 1,264 views
The solubility of AgCl(s) in water at 25 C is 1.33x10^-5 M and its deltaH of solution is 65.7 kJ/mol .What is its solubility at
1. 0 answers
2. asked by Lena
3. 1,253 views
2. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.) Cr2O3 ->
1. 1 answer
2. asked by cassie
3. 1,227 views
A CaCO3 mixture weighing 2.75 grams was treated with 9.75 mL of 3.00 M HCl to liberate CO2. After the CO2 was liberated, the
1. 1 answer
2. asked by Double checking ans
3. 1,215 views
A diagram showing the relationships among concepts and ideas used for organizing information is called:A. visualization. B.
1. 2 answers
2. asked by Amy
3. 1,187 views
What is Kc for the following equilibrium? For phosphoric acid, Ka1=6.9x10^-3, Ka2=6.2x10^-8 and Ka3=4.8x10^-13HPO4^-2 + OH^-
1. 5 answers
2. asked by Sara
3. 1,178 views
Please help!!!Scott bought 54m of fencing to enclose a rectangular plot of land. The width of the rectangular plot is 12m.
1. 1 answer
2. asked by Cherie
3. 1,102 views
Consider a solution made by mixing 500.0 mL of 0.04182 M Na2HAsO4 with 500.0 mL of 0.03645 M NaOH. Complete the mass balance
1. 2 answers
2. asked by Jackie
3. 1,101 views
an aquarium holding african cichlids is 2 inches higher than it is wide. Its length is 29 inches and its volumne is 3480 cubic
1. 2 answers
2. asked by toni
3. 1,093 views
Can I get answers from questions assigned from the text book?
1. 1 answer
2. asked by LEW
3. 1,081 views
opposition to the constitution came from substantial majorities in which of the following three states populous states?A) North
1. 3 answers
2. asked by Anyone who is good in history?
3. 1,072 views
1. What kinds of bonds will most likely form from groups 1,2,3,6,7, and 8 on the periodic table?2. What kinds of bonds will most
1. 1 answer
2. asked by Angie
3. 1,068 views
Question 14Give reasons for the answers to each of the following questions: a) Can a normal force be horizontal? b) Can a normal
1. 1 answer
2. asked by Pritesh
3. 1,047 views
Manager joe presents problems to his work group and gets suggestions before making a decision . Joe's management style is
1. 1 answer
2. asked by ?
3. 1,045 views
(2) Suppose A is the set of students currently registered at the University of Calgary, B is the set of professors at the
1. 1 answer
2. asked by Sue
3. 1,042 views
A countrywide estate agency specializes in selling commercial ventures. Their records show that the mean selling time is less
1. 3 answers
2. asked by general
3. 1,036 views
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 1.78. The Ksp for Zn(CN)2 is 3.0 ×
1. 0 answers
2. asked by Jackie
3. 1,010 views
Describe 2 contact and 2 non-contact force examples. Please and thank you very much. :)
1. 1 answer
2. asked by Angie
3. 995 views
Mark found out that his profit varies as the product of the amount spent for production and the square root of the amount spent
1. 1 answer
2. asked by May Ann Pascual Aragon
3. 992 views
Abcd is an isosceles trapezoid with a(10,-1) b(8,3) and c(-1,3). Find the coordinates of d
1. 1 answer
2. asked by Alice
3. 986 views
How many ways can a teacher give 5 different prizes to 5 different of her 25 students
1. 1 answer
2. asked by Darcy
3. 972 views
Please check. Thank you.2. What is the reduction half-reaction for the following unbalanced redox equation? Cr2O72– + NH4+
1. 4 answers
2. asked by Jack
3. 957 views
A rectangular conducting homogeneous (which means the material is the same throughout) block has dimensions 1cm×2cm×3cm . A
1. 0 answers
2. asked by Jack
3. 952 views
Please help I can't figure out these two.Express f(x) in the form a(x − h)2 + k. f(x) = −4x2 + 24x − 9 Find the standard
1. 5 answers
2. asked by Eric
3. 950 views
P.S - I really need help please help me with this, please i try and still i can not do this please!!!!!! :( :( :( :( :(The table
1. 6 answers
2. asked by HI, I'M NEW HERE SO I NEED HELP CAN'T DO THIS ! :(
3. 937 views
Calculate the magnitude of the gravitational force between the Earth and an m = 6.00 kg mass on the surface of the Earth. The
1. 2 answers
2. asked by Sara
3. 930 views
A puck of mass m = 1.10 kg slides in a circle of radius r = 16.9 cm on a frictionless table while attached to a hanging cylinder
1. 2 answers
2. asked by HP
3. 904 views
factor by grouping: 3X^2 + 7X -6 ? Please walk me through this
1. 3 answers
2. asked by Brieson
3. 895 views
Solve 12^x = 14^3x.I know I need to make the bases the same, but I don't know how.
1. 1 answer
2. asked by Lily
3. 886 views
Which statement represents the inverse of the statement, "If it is snowing, then Paul wears a sweater"?A. If Paul wears a
1. 1 answer
2. asked by Amy
3. 885 views
surface area of a rightcircular cylinder. The area of a right circular cylinder is given by the polynomial 2pierh^2 where h is
1. 1 answer
2. asked by pam
3. 883 views
What is the value of e^i(pi)?where i^2 =-1 ,e =exponential
1. 1 answer
2. asked by black_widow
3. 882 views
For the function f(p) an input of 3 yields an output value of 6. What value of p would you use to have f(5p) = 6?
1. 1 answer
2. asked by Katie
3. 856 views
how do i calculate the NaOH molarity from a titration of KHP and NaOH after preparing KHP to standardise NaOH. KHP mass was
1. 1 answer
2. asked by k
3. 855 views
factor f(x)=4x^(3)+19x^(2)-149x+36 into linear factors if f(x)=-9
1. 1 answer
2. asked by Anonymous
3. 790 views
Car A passes Car B on the highway. Rlative to car A's movement, Car B is moving at a rate of 9 mph backward. If the speed of Car
1. 1 answer
2. asked by Renay
3. 786 views
draw all possible z isomers for an alkene with the formula C4H7Br.im having some difficulty, please help
1. 1 answer
2. asked by maura
3. 769 views
Calculate the mass needed in order to suspend the leg shown in the figure(Figure 1) . Assume the leg (with cast) has a mass of
1. 0 answers
2. asked by Megan
3. 766 views
Identify the simple sentence.A.In 1970, my mother graduated from Point Pleasant Boro High School. B.The gymnast swung around the
1. 2 answers
2. asked by Cassie
3. 761 views
At constant volume the heat of combustion of a particular compound is -3378.0 kj/mol.When 1.563 g of this compound ( molar mass
1. 3 answers
2. asked by Raul
3. 744 views
A small 0.533-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 6.41
1. 0 answers
2. asked by cody
3. 742 views
What is the pH of a solution that is .060M in potassium propionic and .085M in propionic acid?Ka=1.3E-5 for the acid. The answer
1. 1 answer
2. asked by Jonah
3. 737 views
a river flows due south with a speedof 2.0m/s.a man steers a motorboat across the river:his velocity relative to the river is
1. 1 answer
2. asked by kuhle
3. 736 views
I have to create a character sketch of nernard from aldous huxley's brave new world. Please help me with the topic sentence the
1. 1 answer
2. asked by Krysten
3. 729 views
If the intensity of a person’s voice is 3.6×10−7W/m2 at a distance of 2.1 m, how much sound power does that person
1. 0 answers
2. asked by hannah
3. 726 views
Assume the dimensions of a rectangle arecontinuously changing in a way so that the area, A, of the rectangle remains constant.
1. 2 answers
2. asked by Marto
3. 722 views
sample of n=64 scores is obtained from population with standard deviation =15 sample mean is 10 pts greater than the poulation
1. 1 answer
2. asked by tita
3. 717 views
If 55034.175 kJ of heat are transferred to 150 kg of ice at a temperature of -12.15 degrees C, calculate the temperature of the
1. 1 answer
2. asked by Dylan
3. 716 views
Near San Francisco, where the vertically downward component of the earth's magnetic field is 4.7 10-5 T, a car is traveling
1. 1 answer
2. asked by purplegoddess
3. 704 views
A 143m wire is cut into three pieces. The second is 3m longer than the first. The third is 4/5 as long as the first. How long is
1. 2 answers
2. asked by Sandy
3. 691 views
200 tickets are sold to a raffle. It costs $5 to buy a ticket. There is one first prize winner and one second prize winner.
1. 1 answer
2. asked by Anonymous
3. 690 views
Annie's math test scores are 68 82 82 88 92 98 Her median test score is..A.30 B.82 C.85 D.88 C? The high temperature for the
1. 3 answers
2. asked by Jerald
3. 688 views
OBSERVATION REPORT PROJECT of earlly child hold
1. 1 answer
2. asked by Anonymous
3. 678 views
ABCD is a rectangle with B(-4,2) andD (10, 6). find the coordinates of A. Please help and tell me how you got it so I can
1. 4 answers
2. asked by Mariel
3. 677 views
Mendel also studied the trait of flower color. Some plants had white flowers, while others had purple flowers.Consider the
1. 0 answers
2. asked by qwerty
3. 672 views
Persuasive Writing Assignment: Imagine that you are an agent who is interested in publishing new authors. Choose any book you
1. 3 answers
2. asked by Unknown
3. 662 views
The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our
1. 1 answer
2. asked by Jack
3. 643 views
What is the percent ionization of a solution prepared by dissolving 0.0286mol of chloroacetic acid, in 1.60L of water?for
1. 1 answer
2. asked by Bb
3. 639 views
A bone thickens byA. Activity of osteocytes in the medullary cavity B. increased secretion of calcium salts by osteoclasts C.
1. 0 answers
2. asked by Anonymous
3. 634 views
200 tickets are sold to a raffle. It costs $5 to buy a ticket. There is one first prize winner and one second prize winner.
1. 0 answers
2. asked by Kudu
3. 626 views
Why did Muhammad find the religion of Islam. How and why was the religion able to spread so rapidly?
1. 2 answers
2. asked by Gregory
3. 625 views
The students in Mrs. Lees class recorded the temperature at noon every day for a ten day period.The temperatures were
1. 3 answers
2. asked by Jerald
3. 624 views

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