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Questions Asked on February 1, 2015

what are the coordinates of the shadow cast on the xy plane by a small object placed at the point (10,7,20) assuming that the
1. 6 answers
2. asked by annie
3. 3,497 views
I am having some chemistry problems.3. The graph compares the 1s orbital energies for the F atom (Z = 9), the Ne+ ion (Z = 10),
1. 7 answers
2. asked by Morgan
3. 2,962 views
the point t' (-4,-7) is the image of point t under a transformation. if point t is (-4,7) what translation could have occurred
1. 2 answers
2. asked by Haan
3. 501 views
The figure shows a cube of air at pressure 1.0 atm above a hot surface on Earth. Contact with the hot surface causes the volume
1. 5 answers
2. asked by Morgan
3. 3,158 views
Answer the following questions about energy changes associated with heating and cooling a substance. Use the quantities in the
1. 9 answers
2. asked by Morgan
3. 2,860 views
The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the
1. 1 answer
2. asked by Joel
3. 500 views
2C2H2(g) + 5O2(g)→4CO2(g) + 2H2O(g)a. Determine the enthalpy change for the reaction. ΔH = (4(-393.5)+ 2(-241.8)) – (2(227)
1. 6 answers
2. asked by Morgan
3. 22,367 views
Tomochichi’s trip to England with James Oglethorpe was important becauseA) the English wanted to meet Oglethorpe’s Native
1. 6 answers
2. asked by jam
3. 2,012 views
Suppose you add 92 ml of dilute acid to 46 ml of water. Both the water and acid were at room temperature (22 C) before being
1. 2 answers
2. asked by danny
3. 512 views
Suppose that your morning shower is 7 minutes long and uses 4 gallons of water per minute that is a nice 102 F in temperature.
1. 2 answers
2. asked by danny
3. 623 views
Can someone check my answers to this? I'm really confused on these practice problems. Thanks!Directions: Using informal, formal,
1. 5 answers
2. asked by Sophia
3. 847 views
James Wright was an effective and admired colonial Georgia governor. His popularity with the colonists allowed him toA)
1. 6 answers
2. asked by jam
3. 1,674 views
Marko rides 10 km north of his homeon his mountain bike. He reaches an abandoned railroad, turns through an angle of 120° onto
1. 2 answers
2. asked by Juhi
3. 1,143 views
A manufacturer sells two products, one at a price of $3000 a unit and the other at a price of $12000 a unit. A quantity q1 of
1. 2 answers
2. asked by Javier
3. 549 views
Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) gas and calcium hydroxide (Ca(OH)2). If the ΔH for:CaC2(s) +
1. 3 answers
2. asked by danny
3. 2,216 views
Given:Equation #1: 4NH3(g) + 5O2(g) = 4NO(g) + 6H2O; ΔH of reaction = -1170 kJ Equation #2: 4NH3(g) + 3O2(g) = 2N2(g) + 6H2O;
1. 4 answers
2. asked by danny
3. 2,668 views
Three pupils John, Daniel and David contributed a total of $400 for a party. John contributed $30 more than Daniel while, David
1. 2 answers
2. asked by kudu
3. 632 views
Welders often use acetylene torches heat up the metal. The reaction is:C2H2(g) + 2.5O2(g) = 2CO2(g) + H2O(g) Calculate the ΔH
1. 2 answers
2. asked by danny 16
3. 740 views
The decay constant for a radioactive isotope is 7.82 x 10-6 /y. What is the half-life of this isotope in years?
1. 2 answers
2. asked by Brooklyn
3. 755 views
An athlete performing a long jump leaves the ground at a 27.1∘ angle and lands 7.72m away1.What was the takeoff speed? 2.If
1. 2 answers
2. asked by Kelly
3. 1,014 views
What governing body did the Georgia Charter of 1732 establish?
1. 10 answers
2. asked by jam
3. 694 views
Solve by factoring: x2 + 5x = −6x^2 + 5x + 6 = 0 2+3 = 5 and 2x3 = 6 so (x-2)(x-3) = 0 then x-2=0 or x-3 = 0 x = 2 or x = 3
1. 1 answer
2. asked by slomo
3. 441 views
I am 4-digit odd number. I am greater than 7000. The digit in my hundreds place is smaller than the digit in my tens place. What
1. 1 answer
2. asked by Anaqi
3. 499 views
A bird sits at rest in the middle of a wire. The wire slopes upward at 5* from the horizontal on either side of the bird. If the
1. 2 answers
2. asked by Madison
3. 689 views
Which political development greatly increased tensions between the American colonies and Great Britain in the years just before
1. 16 answers
2. asked by jam
3. 1,834 views
I revised this memo to approve the you-attitude. Can someone tell me if I did it correctly? If I didn't what did I do wrong. I
1. 2 answers
2. asked by Miguel
3. 1,007 views
In the picture to the right, a ring pulls a box of mass m = 5.0 kg across a level table. The string pulls with a tension F =
1. 2 answers
2. asked by Madison
3. 555 views
Calculate the ΔH of reaction for:C2H4(g) + H2O(l) = C2H5OH(l) if the ΔH of formation for C2H4(g), H2O(l) and C2H5OH are +52,
1. 3 answers
2. asked by danny 16
3. 2,382 views
Particles of charge +65, +48, and −95 μC are placed in a line. The center one is L = 60cm from each of the others.Calculate
1. 4 answers
2. asked by Mary
3. 2,285 views
ram weighs 45kg and mary weighs m kg.write an expression for their combined weight.
1. 2 answers
2. asked by priyanka
3. 566 views
One student conducts a study on the relationship between people’s level of extroversion and the number of close friends they
1. 2 answers
2. asked by Mariya
3. 554 views
jellyfish sometime squeeze in the size of their bodies. this pushes a stream of water from the back end of their bodies.
1. 3 answers
2. asked by John boy
3. 1,122 views
Estimate the rate of the reaction,H2SeO3 + 6I^- + 4H^+ --> Se + 2I3^- + 3H2O given that the rate law for the reaction at 0°C is
1. 1 answer
2. asked by Anonymous
3. 903 views
feeling healthy
1. 1 answer
2. asked by jaafar
3. 404 views
how to prepare for a job
1. 1 answer
2. asked by jaafar
3. 351 views
hi, i am not good at english literature at all, i want a 5 pages story on micheal faryn novel spies. it is about details on how
1. 1 answer
2. asked by asha
3. 456 views
A sample of131 I was purified and then analyzed for iodine content. It was found that the sample was 99.8% pure. 25 hours later
1. 3 answers
2. asked by zac
3. 958 views
The primary route for making copper iodide is by reacting potassium iodide withcopper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI
1. 2 answers
2. asked by Henry
3. 902 views
The sum of the first 10 term of an arithmetic sequence is 145 and the sum of the fourth and ninth term is five times the third
1. 3 answers
2. asked by matso
3. 760 views
The following experimental data were obtained for the reaction;2 NO + 2 H2 ¡æ N2+ 2 H2O Rate/10-5M/s [NO]/10-2M [H2]/10-2M
1. 2 answers
2. asked by jhon
3. 647 views
Kwala Tlhamo ka setlhogo sa "Setshaba se se sa somareleng puo ya sona se tshwana le setlharr se senang medi
1. 3 answers
2. asked by Nomazizi Nzima
3. 232 views
Calculate the wave length in amsrong unit of the first spectra line in the bama series for Li2 take R= 109766rcmi tried using
1. 1 answer
2. asked by whyte
3. 388 views
A 6.5-kg bowling ball thrown with a speed of 5.4 m/s hits a stationary 1.75-kg pin. What is the velocity of each object? Assume
1. 3 answers
2. asked by Joanna
3. 1,419 views
I still don't get it..please help,The average of two numbers is 81. The difference between the number is 26. What is the smaller
1. 1 answer
2. asked by Sarah JJ
3. 428 views
Water is lifted from a well of depth 50m. If mass of water is 20kg and that of the rope is 0.2kg per metre the amount of work
1. 4 answers
2. asked by simar
3. 1,334 views
You have 100 pieces of candy in five bowls. The sum of candy in bowl a and bowl b is 30 pieces. The sum of candy in bowl b and c
1. 2 answers
2. asked by Bruce
3. 531 views
a copper cylinder has a radius of 2.5 cm and a length of 5.6 cm at 20 degree Celsius. The rod is heated until its temperature is
1. 4 answers
2. asked by Vans
3. 1,293 views
a projectile with a horizontal component of 13m/s and a vertical component of 18 m/s would have an overall velocity of m/s??? at
1. 4 answers
2. asked by greoge
3. 1,890 views
without air resistance maximum range of projectile is obtained with an angle of ????Can you please fill in the blank THANK YOU
1. 4 answers
2. asked by greoge
3. 902 views
Choose the best example of a specific task assessment.A. Give a child two groups of marbles: a group of five and a group of
1. 3 answers
2. asked by Cristina
3. 614 views
Proove that:a)2^(1/2) is not rational. b) prove that 2^(1/3) is not rational. I have managed to prove the first part, but i am
1. 2 answers
2. asked by arthur
3. 572 views
Tom has a $20 bill, a $10 bill, a $5 bill, and $1 bill. List the total costs possible for items he could buy if he receives no
1. 3 answers
2. asked by George
3. 685 views
How many revolutions does a merry go round make during 6,5 min if its average rotation speed is 2,4 r.p.m?
1. 2 answers
2. asked by lerato
3. 516 views
Using the following number: 26,802In 4 significant figures, this number would be Answer. In 3 significant figures, this number
1. 1 answer
2. asked by diana
3. 517 views
Write the equivalent fraction.6 2/5, 3 7/10
1. 2 answers
2. asked by Amari
3. 860 views
5. A boat capable of making 9.0 km/hr in still water is travelling upstream in a riverflowing at 4 km/h. An object lost
1. 4 answers
2. asked by ma
3. 930 views
Riding in an elevator, a man notices that he feel heavier or lighter based when the elevator speeds up or slows down. He stands
1. 4 answers
2. asked by Madison
3. 890 views
Why is graphite considered an element?
1. 3 answers
2. asked by tommy
3. 999 views
5.6g of organic compound on burning with exess oxygen gave 17.6g of CO2 and 7.2g of H2O .the organic compound
1. 3 answers
2. asked by Anonymous
3. 912 views
witch result of the compromise of 1850 did not benefit the north?a-the fugitive slave law b-californias admittance tt he union
1. 5 answers
2. asked by Kaitlyn
3. 1,875 views
x_1=3/2, x_(n+1)=3/(4-x_n)prove that the series x_n converges and find its limit.
1. 5 answers
2. asked by moran
3. 365 views
A hammer falls from a scaffold on a building 50.0 m above the ground. Find its speed as it hits theground.
1. 2 answers
2. asked by Anonymous
3. 605 views
Could a molecule contain only one atom? Explain your answer.
1. 1 answer
2. asked by tommy
3. 444 views
Which approach to literacy best connects mathematics and science to the real world?A. Balanced reading B. Phonics C. Whole
1. 1 answer
2. asked by Cristina
3. 468 views
br+bv+ry+vy
1. 1 answer
2. asked by Somruethai
3. 231 views
A professor gave an aptitude test to a class of psychology students and computed the mean, median, and mode for the test scores.
1. 2 answers
2. asked by Sally
3. 618 views
A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the
1. 2 answers
2. asked by diana
3. 529 views
A cannonball is shot upwards with a total velocity of 61.0 m/s at an angle of 45 degrees from the horizontal. What will its
1. 1 answer
2. asked by Brittany
3. 416 views
You are considering investingin a security that will pay you $1,000 in 30 years. If the appropriate discount rate is 10 percent,
1. 3 answers
2. asked by Rosemary
3. 1,036 views
A(n) 0.42 kg softball is pitched at a speed of 12 m/s. The batter hits it back directly at the pitcher at a speed of 27 m/s. The
1. 5 answers
2. asked by Kev
3. 3,126 views
A model is made of a car. The car is 7 feet long, and the model is 16 inches long. What is the ratio of the length of the car to
1. 4 answers
2. asked by jade
3. 1,580 views
In a particular crash test, an automobile of mass 1295 kg collides with a wall and bounces back off the wall. The x components
1. 2 answers
2. asked by Kevin
3. 522 views
Why is soda in an unopened bottle a homogenous mixture?
1. 6 answers
2. asked by tommy
3. 717 views
The measures of two complementary angles are in the ratio 1:4. What are the degree measures of the two angles?18° and 72°
1. 11 answers
2. asked by nyla
3. 5,540 views
Estimate the rate of the reaction,H2SeO3 + 6I- + 4H+ Se + 2I3- + 3H2O given that the rate law for the reaction at 0°C is rate =
1. 4 answers
2. asked by Is my answer right?
3. 2,493 views
What job field could I get from those subjects above?
1. 9 answers
2. asked by liza magutywa
3. 472 views
Why did Augusta, Columbus, Macon, and Milledgeville become early centers of commerce in Georgia?
1. 5 answers
2. asked by jam
3. 594 views
A friend plays an A note (440 Hz) on her piccolo while running towards you at 40 m/s. What frequency do you hear just before she
1. 4 answers
2. asked by Sarah
3. 1,185 views
Imagine a grandfather clock. When the clock swings all the way to the right it 'ticks', when it swings all the way to the left
1. 2 answers
2. asked by Sarah
3. 565 views
An astronaut visits a moon of Saturn, and decides to measure the accel. of gravity. He ties a rock (m=2 kg) to a rope (1.25 m),
1. 1 answer
2. asked by Sarah
3. 431 views
A spring fixed to a wall is attached to a 6 kg block of wood on the other end. The block rests on a frictionless surface. The
1. 2 answers
2. asked by Sarah
3. 603 views
Need help with Achieving a Readable Style.Memorandum TO: Jerry Bradshaw DATE: March 29, 2011 FROM: Bill Jones SUBJECT: The Best
1. 2 answers
2. asked by Glenn
3. 586 views
You are given two unknown point charges, Q1 and Q2. At a point on the line joining them, one-third of the way from Q1 to Q2 the
1. 4 answers
2. asked by Anonymous
3. 4,093 views
The effective k of the diving board shown here is 1675 N/m. A heavy diver is bouncing up and down at the end of the diving
1. 2 answers
2. asked by Alexis
3. 518 views
The larger of two numbers is ten more than twice the smaller number. The sum of the numbers is forty. Find each number.
1. 2 answers
2. asked by Alecia
3. 733 views
The judicial branch has the power to try criminal cases by ____I don't have any options, and I am not sure.
1. 1 answer
2. asked by Katt
3. 418 views
a farmer plants .6 0f a field with peanuts. the field is 5.6 acres in size. how many acres are planted with peanuts
1. 6 answers
2. asked by Jared
3. 1,918 views
Can you check my answers to see if they are right and if not, help me on it?These questions begin with the paragraph starting
1. 3 answers
2. asked by Jessica
3. 1,669 views
a particle is subjected to two displacement as follows: 30m to the northeast and 40m to northwest. what must be third
1. 4 answers
2. asked by raph
3. 1,440 views
find the slope of a line that is perpendicular to the line containing the points (-2,-1) and (2,3)a.m= -2 b.m= 2 c.m= -1/2 d.m=
1. 2 answers
2. asked by Anonymous
3. 471 views
The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at
1. 1 answer
2. asked by Alex
3. 350 views
Which statement BEST describes the power of government provided by the Articles of Confederation?
1. 6 answers
2. asked by jam
3. 2,910 views
You are constructing a mobile out of 5 identical toy helicopters, each of mass m = 25.3 g, 4 identical sticks (each length l =
1. 4 answers
2. asked by BK
3. 3,897 views
The most convenient test point to use to determine if the points in a region defined by y<1.4x+0.6 satisfy the inequality is
1. 2 answers
2. asked by Alex
3. 540 views
Vector A with arrow is directed along the positive y-axis and has magnitude 9.0 units. Vector B with arrow is directed along the
1. 2 answers
2. asked by LAIALI
3. 576 views
A 130 cm length of string has a mass of 3.94 g. It is stretched with a tension of 8.60 N between fixed supports. What is the
1. 1 answer
2. asked by hayley
3. 494 views
Solve the triangle α = 27 degrees 30', c = 52.8, a = 28.1
1. 2 answers
2. asked by anon
3. 703 views
In Gibbons v. Ogden, the Supreme Court held that? In Chapter 7 Federal Authority and the Limits to State Authority. If I am
1. 4 answers
2. asked by Martin
3. 712 views
1/4 of the T-shirts are pink, 1/2 T-shirt are white what remainder of the T-shirt is purple
1. 1 answer
2. asked by patrice
3. 387 views
what statements are true for the standard entropy change for the conversion of ozone to oxygen? Select all the apply?2 O_3 (g) >
1. 4 answers
2. asked by mar
3. 1,628 views

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