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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
4 answers
asked by
annie
3,521 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),
7 answers
asked by
Morgan
2,987 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 answer
asked by
Haan
512 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
3 answers
asked by
Morgan
3,197 views
Answer the following questions about energy changes associated with heating and cooling a substance. Use the quantities in the
8 answers
asked by
Morgan
2,903 views
The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the
0 answers
asked by
Joel
519 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)
4 answers
asked by
Morgan
22,395 views
Tomochichi’s trip to England with James Oglethorpe was important because
A) the English wanted to meet Oglethorpe’s Native
5 answers
asked by
jam
2,033 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 answer
asked by
danny
526 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 answer
asked by
danny
637 views
Can someone check my answers to this? I'm really confused on these practice problems. Thanks!
Directions: Using informal, formal,
4 answers
asked by
Sophia
866 views
James Wright was an effective and admired colonial Georgia governor. His popularity with the colonists allowed him to
A)
5 answers
asked by
jam
1,711 views
Marko rides 10 km north of his home
on his mountain bike. He reaches an abandoned railroad, turns through an angle of 120° onto
1 answer
asked by
Juhi
1,163 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 answer
asked by
Javier
563 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 answer
asked by
danny
2,234 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;
2 answers
asked by
danny
2,688 views
Three pupils John, Daniel and David contributed a total of $400 for a party. John contributed $30 more than Daniel while, David
1 answer
asked by
kudu
653 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 answer
asked by
danny 16
757 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 answer
asked by
Brooklyn
778 views
An athlete performing a long jump leaves the ground at a 27.1∘ angle and lands 7.72m away
1.What was the takeoff speed? 2.If
1 answer
asked by
Kelly
1,031 views
What governing body did the Georgia Charter of 1732 establish?
9 answers
asked by
jam
724 views
Solve by factoring: x2 + 5x = −6
x^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 answer
asked by
slomo
455 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 answer
asked by
Anaqi
514 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 answer
asked by
Madison
705 views
Which political development greatly increased tensions between the American colonies and Great Britain in the years just before
16 answers
asked by
jam
1,872 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 answer
asked by
Miguel
1,022 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 answer
asked by
Madison
566 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 answer
asked by
danny 16
2,403 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
2 answers
asked by
Mary
2,315 views
ram weighs 45kg and mary weighs m kg.
write an expression for their combined weight.
1 answer
asked by
priyanka
580 views
One student conducts a study on the relationship between people’s level of extroversion and the number of close friends they
1 answer
asked by
Mariya
576 views
jellyfish sometime squeeze in the size of their bodies. this pushes a stream of water from the back end of their bodies.
2 answers
asked by
John boy
1,137 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
0 answers
asked by
Anonymous
914 views
feeling healthy
1 answer
asked by
jaafar
414 views
how to prepare for a job
0 answers
asked by
jaafar
359 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 answer
asked by
asha
470 views
A sample of
131 I was purified and then analyzed for iodine content. It was found that the sample was 99.8% pure. 25 hours later
2 answers
asked by
zac
979 views
The primary route for making copper iodide is by reacting potassium iodide with
copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI
1 answer
asked by
Henry
917 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 answer
asked by
matso
779 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
0 answers
asked by
jhon
663 views
Kwala Tlhamo ka setlhogo sa "Setshaba se se sa somareleng puo ya sona se tshwana le setlharr se senang medi
3 answers
asked by
Nomazizi Nzima
244 views
Calculate the wave length in amsrong unit of the first spectra line in the bama series for Li2 take R= 109766rcm
i tried using
1 answer
asked by
whyte
401 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 answer
asked by
Joanna
1,432 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 answer
asked by
Sarah JJ
440 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
2 answers
asked by
simar
1,346 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 answer
asked by
Bruce
549 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
3 answers
asked by
Vans
1,307 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 answer
asked by
greoge
1,909 views
without air resistance maximum range of projectile is obtained with an angle of ????
Can you please fill in the blank THANK YOU
2 answers
asked by
greoge
921 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
2 answers
asked by
Cristina
630 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 answer
asked by
arthur
587 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
2 answers
asked by
George
700 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 answer
asked by
lerato
526 views
Using the following number: 26,802
In 4 significant figures, this number would be Answer. In 3 significant figures, this number
1 answer
asked by
diana
531 views
Write the equivalent fraction.
6 2/5, 3 7/10
1 answer
asked by
Amari
871 views
5. A boat capable of making 9.0 km/hr in still water is travelling upstream in a river
flowing at 4 km/h. An object lost
1 answer
asked by
ma
947 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
3 answers
asked by
Madison
909 views
Why is graphite considered an element?
2 answers
asked by
tommy
1,018 views
5.6g of organic compound on burning with exess oxygen gave 17.6g of CO2 and 7.2g of H2O .the organic compound
2 answers
asked by
Anonymous
931 views
witch result of the compromise of 1850 did not benefit the north?
a-the fugitive slave law b-californias admittance tt he union
3 answers
asked by
Kaitlyn
1,895 views
x_1=3/2, x_(n+1)=3/(4-x_n)
prove that the series x_n converges and find its limit.
4 answers
asked by
moran
380 views
A hammer falls from a scaffold on a building 50.0 m above the ground. Find its speed as it hits the
ground.
1 answer
asked by
Anonymous
616 views
Could a molecule contain only one atom? Explain your answer.
1 answer
asked by
tommy
459 views
Which approach to literacy best connects mathematics and science to the real world?
A. Balanced reading B. Phonics C. Whole
0 answers
asked by
Cristina
478 views
br+bv+ry+vy
1 answer
asked by
Somruethai
239 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 answer
asked by
Sally
632 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 answer
asked by
diana
552 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 answer
asked by
Brittany
431 views
You are considering investing
in a security that will pay you $1,000 in 30 years. If the appropriate discount rate is 10 percent,
2 answers
asked by
Rosemary
1,062 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
2 answers
asked by
Kev
3,146 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
2 answers
asked by
jade
1,596 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 answer
asked by
Kevin
537 views
Why is soda in an unopened bottle a homogenous mixture?
5 answers
asked by
tommy
739 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°
11 answers
asked by
nyla
5,558 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 answer
asked by
Is my answer right?
2,507 views
What job field could I get from those subjects above?
8 answers
asked by
liza magutywa
495 views
Why did Augusta, Columbus, Macon, and Milledgeville become early centers of commerce in Georgia?
4 answers
asked by
jam
613 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 answer
asked by
Sarah
1,200 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
0 answers
asked by
Sarah
578 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),
0 answers
asked by
Sarah
440 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
0 answers
asked by
Sarah
617 views
Need help with Achieving a Readable Style.
Memorandum TO: Jerry Bradshaw DATE: March 29, 2011 FROM: Bill Jones SUBJECT: The Best
1 answer
asked by
Glenn
601 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 answer
asked by
Anonymous
4,114 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 answer
asked by
Alexis
530 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 answer
asked by
Alecia
747 views
The judicial branch has the power to try criminal cases by ____
I don't have any options, and I am not sure.
0 answers
asked by
Katt
427 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
5 answers
asked by
Jared
1,952 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 answer
asked by
Jessica
1,683 views
a particle is subjected to two displacement as follows: 30m to the northeast and 40m to northwest. what must be third
2 answers
asked by
raph
1,458 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 answer
asked by
Anonymous
480 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 answer
asked by
Alex
359 views
Which statement BEST describes the power of government provided by the Articles of Confederation?
5 answers
asked by
jam
2,930 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 answer
asked by
BK
3,916 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 answer
asked by
Alex
550 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 answer
asked by
LAIALI
593 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
0 answers
asked by
hayley
506 views
Solve the triangle α = 27 degrees 30', c = 52.8, a = 28.1
1 answer
asked by
anon
712 views
In Gibbons v. Ogden, the Supreme Court held that? In Chapter 7 Federal Authority and the Limits to State Authority. If I am
3 answers
asked by
Martin
728 views
1/4 of the T-shirts are pink, 1/2 T-shirt are white what remainder of the T-shirt is purple
1 answer
asked by
patrice
399 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) >
2 answers
asked by
mar
1,642 views
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