Questions Asked on
March 9, 2013

Chemistry
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution. pKa1: 2.16 pKa2: 7.21 pKa3: 12.32 Hint: Convert
asked by Paula 
Chemistry
A 0.464 gram sample of a metal, M, reacts completely with sulfuric acid according to: M(s) +H2SO4(aq)=MSO4(aq)+H2(g) A volume of 211 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level.
asked by Raul 
Teacher Aide
Which of the following factors contributes to the importance of teacher aides in schools today? a A decrease in the population b The decline of women in the workforce c The financial crisis in the school d Reduced teacher salaries
asked by Jr 
math
At a hockey game, a vender sold a combined total of 192 sodas and hot dogs. The number of sodas sold was two times the number of hot dogs sold. Find the number of sodas and the number of hot dogs sold.
asked by Anonymous 
physics
You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The Rocket. Eight rocketshaped cars hang by chains from the outside edge of a large steel disk. A vertical axle through the center of the ride turns the disk,
asked by Anonymous 
math
Power companies typically bill customers based on the number of kilowatthours used during a single billing period. A kilowatt is a measure of how much power (energy) a customer is using, while a kilowatthour is one kilowatt of power being used for one
asked by HELLO 
Physics
A 71.1 kg man steps out a window and falls (from rest) 1.24 m to a sidewalk. What is his speed just before his feet strike the pavement? If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.500 cm give in the pads of his
asked by Anonymous 
chemistry
Sn (s) + 2Cl2(g) > SnCl4(l).Sn(s) + Cl2(g) > Sn Cl2(l) DH = 186.2 kJSnCl2(s) + Cl2(g) > SnCl4(l) DH = 325.1 kJWhat is the change in enthalpy?
asked by Sammantha 
physics
A toy train rolls around a horizontal 1.0{\rm m}diameter track. The coefficient of rolling friction is 0.15. What is the magnitude of the train's angular acceleration after it is released?
asked by Anonymous 
Finance Math
Jane made a down payment of 1500 dollars toward the purchase of a car. To pay the balance of the purchase price, she has secured a loan from her bank at the nominal rate of 5.8 percent per year compounded monthly. Under the terms of her finance agreement,
asked by Camille 
math
Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum
asked by dingbat 
Hamilton
Julia studied math 3 1/3 hours during the 4 days before her last test. what was the average amount of time she studied each day
asked by Sylvia 
Life orientation
In 15 line critically discuss 5 way which the human problem impact on the community for teenage pregnancy
asked by Rose 
chemistry
Is CF4 polar or nonpolar?
asked by landa 
Chemistry
NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.050 M in NH4Cl?
asked by Jefferson 
Physics
A pellet gun is fired straight downward from the edge of a cliff that is 15m above the ground. The pellet strikes the ground with a speed of 27 m/s. How long does it take for the pellet to reach the ground with an initial velocity of 5.9 m/s.
asked by Borus 
Math
Write two unit rates relating meters and kilometers.
asked by Sue 
algebra
Triangles ABC and DEF are similar. Find the area of triangle ABC. Round your answer to the nearest tenth. the answer should be __________m^2 triangle abc has a 12m. triangle def has 12m and 18m.
asked by sally 
Physics
A 0.157kg ball is thrown straight up from 1.81m above the ground. Its initial vertical speed is 10.40m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
asked by Anonymous 
Physics ~please help me~
1.) Two people of the same mass climb the same flight of stairs. The first person climbs the stairs in 25 s; the second person does so in 35 s. a) Which person does more work?Explain b) Which person produces more power?Explain 2.) Lee pushes a 20 kg mass
asked by Isis 
Chemistry
In a 1.0× 10–4 M solution of HClO(aq), identify the relative molar amounts of these species. (most to least) H2O HClO H3O OH OCl
asked by Paula 
Accounting  Struggling answering this.
Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes customdesigned paragliders. Management has designed an activitybased costing system with the following
asked by Anton 
math
5. Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $192 in interest after 2 years. How much money should he deposit?
asked by jay 
physics
Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.50 m and d = 0.73 m. What torque must be applied to cause an angular acceleration of 0.63 rad/s2 about the axis shown? 4 kg 3 kg 5 kg 2 kg
asked by crixus 
Physics
A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms1 and 3ms1.find magnitude and direction of 3rd part.
asked by Kinjal 
system development
Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topivs of interest to terrier owners and breeders. Annie West, the editor and publisher, asked you to help her design a systems to enter and manage the
asked by cindy 
statistics
a towns average snowfall is 33 inches per year with a standard deviation of 11 inches. how many standard deviations from the mean is a snowfall of 66 inches
asked by marie 
Physics
A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms1 and 3ms1.find magnitude and direction of 3rd part.
asked by Kinjal 
geometry
A right pentagonal prism is 10 cm high. If the area of each pentagonal base is 32 cm squared and the perimeter is 20 cm, what are the lateral and total surface areas of the prism? I tried doing this using the formula shown in my book, but it came out
asked by tmouery 
Chemistry
How many grams of Na3PO4 are needed to produce 250mL solution that has an Na concentration of 1.04M?
asked by sally 
physics
a uniform rod 100cm long and weighing 50N is supported on a horizontal position on a fulcrum which weights of 80N and 100N suspended on its ends. compute the position of the fulcrum
asked by nicolyan 
Please help analytic geometry
A line with slope 6 bisects the area of a unit square with vertices (1,0), (0,0) , (1,1), and (0,1). What is the yintercept of this line? I tried putting one point where the line intersects the square as (y,1), and the other as (x,0), and the y intercept
asked by Knights 
physics
A rollercoaster car has a mass of 1100 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 20 m, its speed is not changing. (a) At the top of the hill, what is the normal force (using the negative sign for the
asked by physics 
chemistry
How many grams of Na2CO3 should be mixed with 50.00g of NaHCO3 to produce 2000mL of buffer with pH=10?
asked by Ashley 
algebra
The sum of two numbers is 57 and the difference is 23 . What are the numbers?
asked by Anonymous 
math
Application Giovanni is flying his Cessna airplane on a heading as shown. His instrument panel shows an air speed of 130 mi/h. (Air speed is the speed in still air without wind.) However, there is a 20 mi/h crosswind. What is the resulting speed of the
asked by y 
Physics
A traffic light is suspended midway across a 60 meter wide street by a cable that is attached to vertical poles on either side of the street. When the traffic light is hung in the middle the cable sags 30 cm. If the light is 1500 kg what should be the
asked by Eduardo 
calculus
Use the Euler Method with a step size of 0.2 to estimate f(3) where f′(x)=2x−7 and f(2)=4. Your answer should be correct to two decimal places.
asked by lisa 
Algebra
Parking in a student parking lot costs 2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time a student can park for $9.00? Show your work.
asked by Ruth 
Geometry Inscribed
line BC is tangent to circle A at B and to circle D at C (not drawn to scale) AB=11, BC=23,and DC=2. find AD to the nearest tenth. Image: i.imgur(dot)com/f4ThxTu.jpg
asked by Rose 
chemistry pH
calculate [H^+] and the pH of 0.025M of HNO3
asked by holly 
Algebra 2...
On isometric dot paper, graph the system of equations at right. What shape is their intersection? Use color to show the intersection clearly on your graph. 10x + 6y + 5z = 30 6x + 15y + 5z = 30 Is the intersection where the two planes OVERLAP?
asked by Anonymous 
MA112
How many fourdigit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?
asked by Enis 
Mathematics
If sin23=a,express cos 113 in terms of a.
asked by Trigonometri 
Mathematics of Finance
Richard borrowed 170000 dollars from his bank to help finance the purchase of a house. The bank charges interest a rate of 8.9 percent per year compounded monthly. Richard has agreed to repay the loan in equal monthly installments over 35 years. a) How
asked by Lee 
Math
Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers? So the first two odd numbers are
asked by Dawn 
Physics
a boat crosses a 2 km wide river by starting out at the south shore and heading directly for the north shore if the river flows at 0.8 m/s and the boat can go at 1.4 m/s in still water, where on the opposite shore will the boat land?
asked by Eduardo 
Physics
A boat sets off perpendicular to the bank, to cross a river width of 250m. The speed of the boat in still water is 3.20ms1, however there is a current downstream at 1.20ms1, which puss the boat sideways. a) Find the resultant velocity of the boat. b)
asked by Mariya 
physics
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. As shown is the figure, a polar bear climbs onto a piece of ice, which has a volume of 5.75 m3, and is floating in sea water. a) What is the mass of the piece of ice? b) What is
asked by Chris 
please help analytical chemistry
what is the activity coefficient of SO4^2 when the ionic strength of a solution is .1?
asked by holly 
Budgeting
A quaint but wellestablished coffee shop, the Hot New Café, wants to build a new café for increased capacity. It’s expected sales are $800,000 for the first 5 years. Direct costs including labor and materials will be 50% of sales. Indirect costs are
asked by Shannon 
math
which of the followng is a rational number a.2 square root 3 b. 2 pie c.3.14444 d.0.123456 how do you figure this out explanation
asked by Anonymous 
science
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous
asked by Agnes 
OOP(netbeans)
Write a program that accepts a person’s weight and displays the number of calories the person needs in one day. A person needs 19 calories per pound of body weight, so the formula expressed in Java is Calories = bodyweight * 19;
asked by kchik 
ENGLISH/MATH/SCIENCE HELP!
Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if your improving). I want to
asked by Laruen 
Chem
how many grams of KMnO4 should be weighed out to give 0.100 mole?
asked by Jessica 
Math
The outstanding balance on Bill's credit card account is 3690 dollars. The bank issuing the credit card is charging 21 percent of interest per year compounded monthly. If Bill decides to pay off his balance in equal monthly installments at the end of each
asked by Lee 
english
The most obvious difference between online learning and traditional is: A. ease of learning. B. lack of facetoface interaction. C. anonymity. D. quality of learning. is it D
asked by Amy 
Geometry
ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is the measure (in degrees) of \angle FAB?
asked by John 
science
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous
asked by Agnes 
English
Write a 350word debate paper in which you discuss the benefits and drawbacks associated with group debates.
asked by Jamie Melching 
calculus
Use a linear approximation of f(x)=log(x) at x=1 to approximate log(3/4). Express your answer as an exact fraction; remember that log denotes the natural log.
asked by lisa 
calculus
Use a linear approximation of f(x)=^3√x at x=8 to approximate ^3√7. Express your answer as an exact fraction.
asked by lisa 
Biomechanics
A hammer thrower is trying a new throw by adjusting the arm length to increase angular velocity technique1 angular velocity of15.4rad/ s with the hammer being 139.8 cm from the shoulder joint in technique2 they rotate with an angular velocity of 13.9 rad/s
asked by Vanitha 
lang. Arts
Which sentence contains a prepositional phrase? A.The grasshopper jumped high. B.The criminal held up the gas station. C.The store is closed. D.Mikie drove to the store. Is it B?
asked by Cassie 
Biomechanics
A cyclist completes 3.0 revolutions in 1.59s what is the angular velocity?
asked by Vanitha 
Lang. Arts
Which sentence contains a prepositional phrase? A.The grasshopper jumped high. B.The criminal held up the gas station. C.The store is closed. D.Mikie drove to the store. I think it is A?
asked by Cassie 
Please help with graphing in geometry
Find the largest real number x for which there exists a real number y such that x^2+y^2 = 2x+2y . I think it is a circle, but how am i supposed to figure this out??
asked by Knights 
Lang. Arts
In this article, many kids are quoted on their opinions about popularity. They talk about what incrowds are like. One middle school student admits, “Lately, I have been feeling so unhip.” Which of the following is a direct quotation? A.“many middle
asked by Cassie 
edu
Which of these scenarios best describes a nuclear family? A) Jeremiah is growing up within a cluster of adults and children who maintain their own living quarters but come together for work and meals. Childrearing is a shared responsibility. B) The
asked by ray 
calculus
Let f(x)=e^(x2). By the Mean Value Theorem, there exists a point c such that f′(c)=f(6)−f(4)6−4 with c between 4 and 6. Approximate c to within two decimal places; we're asking you to approximate c, because you can't "solve" for c.
asked by lisa 
math
which equation represents a line with slope 2 and passes through(1,5)? how do you do this?
asked by Anonymous 
Physics
a boat crosses a 2 km wide river by starting out at the south shore and heading directly for the north shore if the river flows at 0.8 m/s and the boat can go at 1.4 m/s in still water, where on the opposite shore will the boat land?
asked by Eduardo 
chemistry
the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?
asked by Lina 
Biomechanics
During the support phase of walking the absolute angle of the thigh has the following angular velocities frame 38 0.6167s 1.033rad/s frame 39 0.6333s 1.511rad/s 40 frame 0.6500s 1.882rad/s calculate the angular acceleration at frame 40 from frame 38
asked by Vanitha 
Skills for the effective Teacher Aide
Has anyone taking this course, need help with this question. According to the SMCR model, problems in communication can arise when the speaker fails to do a maintain eye contact with the receiver b speak on the level of the receiver c have outside interest
asked by Cyndi 
Lang. Arts
What evidence from the article best supports the article’s main idea: that middle school students should concentrate on a few good relationships and not worry about being popular? A>“[You] need to see that liking [yourself] is more important than being
asked by Cassie 
Lang. Arts
4. Identify the appositive phrase in the following sentence. Mrs. Talavera, an eighth grade teacher at Rosewood Middle School, led the community meeting about childhood obesity. A.Mrs. Talavera B.an eighth grade teacher at Rosewood Middle School C.led the
asked by Cassie 
Algebra
In 1980 median family income was about $18,000 and in 2000 it was 40,000. (a) Find slope of line passing through points (1980, 18,000) and (2000, 40,000) (b) Interperate slope as a rate of change (c) If the trend continues, estimate the median family
asked by Ruth 
Physics
If the spring is compressed a distance of 0.144 m and the gun fired vertically as shown, the gun can launch a 18.5g projectile from rest to a maximum height of 19.5 m above the starting point of the projectile. Neglecting all resistive forces, determine
asked by Anonymous 
Physics
A 3.23 kg ball is attached to a ceiling by a 1.31 m long string. The height of the room is 5.75 m. What is the gravitational potential energy of the ball relative to the ceiling? What is the gravitational potential energy of the ball relative to the floor?
asked by Anonymous 
chemistry
what are structural examples of an aldehyde?
asked by landa 
To Laura/Joseph
I have taken care of the answer to the SO3 ==> SO2 + O2 equilibrium problem that we worked on last night about midnight. You should obtain the correct answer now.
asked by DrBob222 
Mathgeometry
. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles. b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles.
asked by PLEASE HELP 
help ??????????????????
no table and no diagram for this question a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?......... answer to unit ms^1 b)What speed would water have to drop below to deposit a 500μm diameter grain of
asked by sam 
chemistry
name of the following compound: ch2ch3 / ch3ch2chch2ch2ch=chch3
asked by erick 
organic chem
Hydrolysis: Draw the products of... NethylNphenyl2,6, dimethyl benzamide
asked by Anonymous 
Geometry
Given a 100 by 100 square grid, what is the most number of 1 by 51 rectangles that we can cut out of it?
asked by John 
SCIENCE
when a diorite partially melts, which element(1)............ decreases in the melt as a(2).......... magma forms. I have few options to choose from a)iron b)andesite c)rhyolite d)potassium f)basalt
asked by john 
Physics
A ball of 0.5kg mass hits a wall at an angle of 30° and is then reflected making an angle of 90° with its original direction. if the duration of contact between the ball and the wall is 0.1s,calculate the force exerted on the wall. the initial and final
asked by Kinjal 
minning science
calculate the pH at 25 degrees of 0.080 mol dm^3 HNO3
asked by roxanne 
Narrative story
Please help me to write a short narrative story based on nontraditional hero.
asked by Jeconiah 
Astronomy  Physics
Now let us consider the length of time that the Sun is visible. Wait until the planet is at the summer solstice (12:00am). a) How many hours of daylight are there on the summer solstice with the inclination at 45 degrees? To estimate the length of day,
asked by Amy 
Chemistry
1.55 g of penatanol 250ml water Heat from 10 to 38 degrees Find hear of combustion
asked by Bee 
Algebra
The cost of driving a car includes both fixed ans mileage costs. Assume that it costs $152.20 per month for insurance and car payments ans $0.22 per mile for gasoline oil and routine maintenance. (a) Find value m and b so that ymx=b modeks the monthly
asked by Ruth 
english
This technology allows the online learner to connect to the online school in order to access the courses. A. Multimedia B. Internet C. Operating system D. Browser is it B
asked by Amy 
Physics
A car with engine trouble slides 85 meters up along a 14 degrees ramp before coming to a stop. If the coefficient of friction between the tires and the road is 0.9, what was the velocity of the car at the bottom of the ramp? I get 32.43 meters / second is
asked by Eduardo 
English
I am not sure if I still understand. It's very stilted. It's also missing a hyphen The colorcoded table of contents will provide an easy access search for instructions.
asked by Bernie B 
language arts
In the following questions would you use who or whom. Our grandfather,( )is now 65, competed on thh gymnastics team. No one ( )hss studied gymnastics would say that.
asked by jase 
Math
Onethird of Derick's age two years ago is equal to a quarter of his age four years from now. How old is he now? Please provide the following: Representation Equation Solution Answer Checking
asked by RR 
MEchanics M1 (Velovity time graphs)
A dragonfly, at rest on a bullrush, decides to fly to a second bullrush 18 m away. It accelerates uniformly to a speed of. 5 m s1, then immediately decelerates uniformly to rest on the second bulrish. Howlong the journey took?
asked by Tony 
math
find the value of x 82x=1 and 1/5 how do you solve it, can you explain and then give me examples to try on my own thnx.
asked by Anonymous 
science help?
no table and no diagram for this question a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?......... answer to unit ms^1 b)What speed would water have to drop below to deposit a 500μm diameter grain of
asked by sam 
Finance
You have an invoice for a major expenditure due in 5 years for $82,000 and the annual interest rate of 5%. How much do you need now to pay for this expenditure?
asked by Sharon 
Teacher Aide
Which statementis true regarding the structure of the school system in the U.S. a its centralized under the Dept of Education b It's decentralized c It's controlled by the teacher's and their unions d It's managed by the state
asked by Amy 
English
You should mark the blank in the smile emoticon column if you like the activity. If you don't like an activity, you should check the box in the sad emoticon column. By doing that you should complete the table on the page. After you finish completing the
asked by rfvv 
Critical Points
find values for a, b, and c so that the function f(x) = x^3 + ax^2 + bx+ c has a critical point at (1,5) and an inflection point at (2,3). I got a as 6, but I don't know what b and c are. For b and c I just have b + c= 10. I do not know how to proceed
asked by Mary 
College Algebra
Consider only the discriminant, b2  4ac, to determine whether one realnumber solution, two different realnumber solutions, or two different imaginarynumber solutions. 2x2 = 2 5 Thank you
asked by Sally 
chemistry
find the concentration of Pb^2+ in equilibrium with PbBr_2_ and 0.10M Br^
asked by holly 
chemistry
Find the concentration of Ag^+ in a saturated solution of AgBrO_3_ that also contains 0.02M LiNO_3_, .02M KClO_4_ and .01M NaF
asked by holly 
Algebra
area of a triangle with a base of 1 4/5 yards, and a height of 5/7 yards.
asked by Ruth 
Biomechanics
A golfer at the tee swings their driver and completes a downswing in 0.27s through a range of 196.1degree. What is the average angular velocity of the club head
asked by Vanitha 
Astronomy  Physics
Now, wait until the planet is at the winter solstice (12:00am). a) How many hours of daylight are there on the winter solstice with the inclination at 45 degrees? Use the same criteria for the length of day that you used for the previous question.
asked by Amy 
grammar
So I am writing my paper and I am confused I know you use fewer when you have something countable like items. and less when its not a countable things. For my example would I say that 5% concentration of coffee had less of an effect of fewer effects than a
asked by renee 
civics
Hi, I'm really confused. I have to explain all of the major provisions of the bill of rights. But what does it mean by "provisions"? Does the question just mean to explain each of the 10 amendments in the bill of rights?
asked by Anonymous 
General English Part 11
Describe how the poem is structured, or arranged in lines and stanzas.
asked by Shay 
5th grade math (word problems)
I got these problems wrong in class. but, think i have the right answer now. Can you check? 1. Jim's mother made pizzas for his birthday. SHe sliced the pizzas into 50 slices. She served Jeff and his 7 guests the same number of slices and she ate the rest.
asked by Alex 
geometry
How many square inches are in the lateral surface area and total surface area of an aluminum can with 2 1/2 in. diameter and 4 3/4 in. height? I've worked on this until I'm crossedeyed and it's not coming out right!
asked by tmouery 
algebra
solve A)p(x)= x(x+2)(x4) b)p(x)=(x+2)^3(x1)
asked by zachary 
Maths B
Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations were 10 and 8 respectively. Determine the subject in which andrew did better
asked by Will 
Photography help
Im sorry i posted this here, but i really need help! I need a free app for ( ipad 2 ) that can pause while making the video,,.. So i can edit.. :) please and thank youu
asked by Mia 
chemistry
How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = 1
asked by patrick 
math
Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.
asked by lisa 
Teacher Aide
A common characteristics of regional educational agencies is that they a don't hire aides b provide many services that individual school districts couldn't afford c serve all of the school districts in a state d are located in Eastern states
asked by Missy 
Algebra
six times a number minus twice the same number.
asked by Ruth 
algebra
Last semester, a certain professor gave 11 As out of 226 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)
asked by Anonymous 
Science need help
all but one of the following statement about the melting and crystallization of magmas is correct.identify the one statement that is incorrect. 1)the presence of water decreases the melting temperature of magma. 2)the upper part of magma in a magma chamber
asked by centya 
Account
Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes customdesigned paragliders. Management has designed an activitybased costing system with the following
asked by Anton 
science help?
a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?................ms^1 b)What speed would water have to drop below to deposit a 500μm diameter grain of sediment?................ms^1
asked by sam 
Astronomy  Physics
Finally, we will look at a system that is in an orbit comparable to the Earth to see how the angle that the light strikes the surface and the length of day contribute to the total amount of energy that we receive from the Sun at the two solstices. Recall
asked by Amy 
Life orientation
5 practise of contravention of basic condition of employment act
asked by Maine refilwe 
English
A key to the student’s ability to apply strategies so that school requirements, assignments, and exams are met in a timely fashion is: A. critical thinking. B. time management. C. selfmotivation. D. communication. is it A
asked by Amy 
English
Is there anything wrong with this sentence? The colorcoded table of contents will provide an easy access search for instructions.
asked by Bernie B 
Mathgeometry
If a dice has 3 on the top, right back 6, right front 2, bottom 4, left front 1, left back 5 and is rotated by +180 about the z axis and +90 about the x axis, how many dots does each face have after the rotation?
asked by PLEASE HELP 
Mathgeometry
If a dice has 3 on the top, right back 6, right front 2, bottom 4, left front 1, left back 5 and is rotated by +180 about the z axis and +90 about the x axis, how many dots does each face have after the rotation?
asked by PLEASE HELP 
Absolute Extrema
Find the minimum and maximum values of the function f(x)= 2/3 sin pix on the interval [1,2] (domain). I got (1.5, 2/3) as the minimum and no maximum on the interval. Is it correct? Thank you.
asked by Mary 
algebra
p(X)= X(X+2)(X4) P(X)=(X+2)^3(X1)
asked by zachary 
science
how do i find the area for light?
asked by Benji 
Humanities
I need some suggestions of a 20thcentury figure whose work or artistic contributions can be classified in both the Age of Modernism and the Age of Pluralism for a paper I am writing.
asked by Mr. Need Help 
chemistry
find the concentrations of Ca^2+ and F^ in a saturated solution of CaF_2_
asked by holly 
math
describe the transformation of y=8^x+2 from the graph of y=8^x then state the asymptote and domain and range.
asked by lisa 
Math
5/8+3\47\12 Simplify
asked by Ashrith.N Kashyap 
Biomechanics
A diver is trying a new more and is attempting to increase his angular acceleration in order to increase the angular displacement and thus produce more rotations from a standing start on the board the diver accelerates at 950 degree/s/s.what is the angular
asked by Vanitha 
maths
Solve for m:E=mgh+1\2mu
asked by David 
math
the angle of a quadrilateral are in the ratio 4:5:3:8. find the measure of each angle
asked by mayank 
Minimum on a Closed Interval
What is the minimum value of the function g(x)= 1/x * sin (pi *x) on the interval [1,2]? I got 2/3. Is this right? thanks.
asked by Mary 
Math
3 times the square root of 4/9
asked by Roger