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Questions Asked on February 28, 2013

Your parents are buying a house for $187,500. They have a good credit rating, are making a 20% down payment, and expect to pay
1. 1 answer
2. asked by Brianna
3. 10,704 views
Consider the reaction3Fe(s) + 4H2O(g) �¨ 4H2(g) + Fe3O4(s). If the volume of the container is reduced, 1. more Fe(s) is
1. 2 answers
2. asked by Ashley
3. 8,877 views
How much 5M KOH must be added to 1.0 L of 0.1M glycine (pKa 9.6) at pH 9.0 to bring its pH to exactly 10.0?
1. 3 answers
2. asked by Cristian
3. 7,889 views
triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of
1. 2 answers
2. asked by c
3. 6,456 views
Let f(x) = −x2 + ax + b.Determine the constants a and b such that f has a relative maximum at x = 2 and the relative maximum
1. 2 answers
2. asked by Jacob
3. 5,055 views
are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?
1. 1 answer
2. asked by jay
3. 4,970 views
line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the
1. 6 answers
2. asked by C
3. 4,797 views
What is the distance on the ground between two places that are 7cm apart on the south africa
1. 10 answers
2. asked by Sikelela sotyatho
3. 4,413 views
A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?
1. 7 answers
2. asked by Lexi
3. 4,122 views
how many morphemes and syllables are contained in each of the following words?Ohio Algebra Cows Expel Congenital Canoes Cognate
1. 5 answers
2. asked by Baaba
3. 4,100 views
A. Poe believed that good short stories require a single, unifying effect. Evaluate one of the stories in Unit 2 using Poe’s
1. 7 answers
2. asked by jeka
3. 3,690 views
Which value correctly completes the statement?6,501.5 KM = ______ m Options: 1. 6,501,500 2. 65,015 3. 650,150,000 4. 650.15
1. 20 answers
2. asked by Bell
3. 3,219 views
17. If you want to find the answer to a question about grammar, usage, or mechanics for your formal writing, which professional
1. 3 answers
2. asked by sarah
3. 3,004 views
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
1. 1 answer
2. asked by Kellie
3. 3,002 views
Given the following information, which ofthe following shows the acids in order from strongest to weakest? The order of atomic
1. 2 answers
2. asked by cheri
3. 2,776 views
a soccer player kicks a rock horizontally off a 40.0-m-high cliff into a pool of water. if the player hears the sound of the
1. 2 answers
2. asked by suzanne
3. 2,653 views
The sonar of a stationary ship sends a signal with a frequency of 5.0x103-Hz through water. If the signals speed is 1.5x103-m/s
1. 1 answer
2. asked by Tiara
3. 2,516 views
Calculate the mass of HONH2 required to dissolve in enough water to make 255.5 mL of solution having a pH of 10.02 (Kb =
1. 1 answer
2. asked by Margaret
3. 2,461 views
Why was the Fugitive Slave Act so controversial? (3 points)It required all Americans to return runaway slaves to their owners,
1. 6 answers
2. asked by Haley
3. 2,401 views
The price elasticity of demand for imported whiskey is estimated to be −0.20 over a wideinterval of prices. The federal
1. 1 answer
2. asked by k
3. 2,389 views
A line with slope 3 is 2 units away from the origin. Find the area of the triangle formed by this line and the coordinate axes.H
1. 4 answers
2. asked by Knights
3. 2,387 views
18. What is one disadvantage of accessing the Internet through a public search engine such as or ?A.) It’s open to anyone, so
1. 4 answers
2. asked by Jim
3. 2,374 views
A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of
1. 1 answer
2. asked by Sam
3. 2,310 views
A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface area of a similar pyramid with a height of 10 in.
1. 2 answers
2. asked by Abbey
3. 1,978 views
Find the area of a parallelogram with base b and height h.b = 82 cm h = 16.6 cm .1,361.2 cm2 .6,724 cm2 .137.78 cm2 .98.6 cm2
1. 3 answers
2. asked by katelyn
3. 1,932 views
Imagine that you fill a bucket to the top with water and then place the bucket outside in freezing weather. Which of the
1. 4 answers
2. asked by Batman
3. 1,890 views
An MP3 player operates with a voltage of 3.7 V, and is using 0.14 W of power. Find the current being supplied by the player's
1. 1 answer
2. asked by John
3. 1,824 views
You push a block of mass m against a horizontal spring, compressing the spring a distance x. Then you release the block, and the
1. 1 answer
2. asked by Rachel
3. 1,804 views
Data from a deer count in forested area show that an estimated 3.16 x 10^3 deer inhabit 1.998 x 10^4 acres of land. What is the
1. 2 answers
2. asked by cassidy
3. 1,781 views
A man is 6ft tall and is walking at night straight toward a lighted street lamp at a rate of 5 ft/sec. If the lamp is 20 ft
1. 3 answers
2. asked by Trevor
3. 1,756 views
1) The four major kinds of natural vegetation in the United States and Canada are tundra, grassland, desert scrub, anda.
1. 20 answers
2. asked by Wendy
3. 1,731 views
1. Which of the following helped to increase the populations of northeastern cities? (1 point)more diversity successful cotton
1. 20 answers
2. asked by help
3. 1,641 views
A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?
1. 1 answer
2. asked by Lexi
3. 1,583 views
The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s
1. 1 answer
2. asked by Steve
3. 1,582 views
Lee buys a computer and a printer for $2,028. The printer costs 30% of the price of the computer. What is the price of the
1. 9 answers
2. asked by Kammi
3. 1,563 views
WHAT IS THE SCIENCTIFIC NOTATION OF 9,040,000,000
1. 7 answers
2. asked by NEED HELP
3. 1,529 views
Calculate the mass of baking soda, NaHCO3, needed to neutralize 3.0 mL of 3.0 M hydrochloric acid, HCl(aq).Ok, so I'm super
1. 2 answers
2. asked by Sarah
3. 1,519 views
Write in expanded form. 825
1. 8 answers
2. asked by Blue
3. 1,517 views
In the diagram, is an altitude drawn in trapezoid DEFG, DE = 10, EF = 9, FG = 8, and GD = 15. What is mÐD to the nearest
1. 1 answer
2. asked by Taylor
3. 1,463 views
A solution is made by dissolving 26.9 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes
1. 2 answers
2. asked by Anonymous
3. 1,461 views
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely
1. 0 answers
2. asked by Dee
3. 1,432 views
Find the change in the force of gravity between two planets when their masses remain the same but the distance between them is
1. 1 answer
2. asked by Kelly
3. 1,426 views
a moving walkway at an airport has a speed v1 and a length l. a woman stands on the walkway as it moves while the man in a hurry
1. 1 answer
2. asked by sara
3. 1,397 views
Which of the following is an example of active reading?A. Skimming over information and taking notes. B. Reviewing a chapter,
1. 1 answer
2. asked by victor
3. 1,377 views
In the figure below, a small block of mass m = 0.034 kg can slide along the frictionless loop-the-loop, with loop radius 8 cm.
1. 0 answers
2. asked by Rachel
3. 1,359 views
What is the mass of the carbon atoms in one mole of c3h8
1. 1 answer
2. asked by Anonymous
3. 1,358 views
an essay: of The sure solution to unemployment is a better quality of education?
1. 41 answers
2. asked by godfrey
3. 1,352 views
1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2
1. 1 answer
2. asked by Trevor
3. 1,310 views
Stacey drew a triangle on a coordinate plane. She wrote down the ordered pair for each vertex. How many ordered pairs did she
1. 2 answers
2. asked by Helen
3. 1,286 views
The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the
1. 0 answers
2. asked by ashlee
3. 1,278 views
Can you show work por favor? :)A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many
1. 2 answers
2. asked by Anon
3. 1,273 views
The frequency of the sickle cell disease in parts of Central Africa is as high as 10 percent compared to a frequency of .5
1. 5 answers
2. asked by Sarah
3. 1,261 views
A basketball player runs up and down a basketball court 3 complete times in 60 seconds the basketball court is 30 meter long
1. 0 answers
2. asked by Dominique
3. 1,251 views
Arrange the basesI) deuterated ammonia (ND3) Kb = 1.1 × 10−5; II) hydrazine (NH2NH2) Kb = 1.7 × 10−6; III) hydroxylamine
1. 0 answers
2. asked by cheri
3. 1,227 views
Mr Shea saved $2500 in April. His monthly salary is two times the amount he saved in April. In May, he saved a certain amount of
1. 2 answers
2. asked by Liz
3. 1,194 views
Sampling DistributionComplete solutions and illustrations are required. 3.The mean systolic blood pressure of normal adults is
1. 1 answer
2. asked by Dre
3. 1,179 views
The SAT scores of a certain population of students are approximatley normally distributed with a mean and standard deviation of
1. 1 answer
2. asked by ken
3. 1,163 views
Sampling DistributionComplete solutions and illustrations are required. 1.The average annual salary for all U.S. teachers is
1. 0 answers
2. asked by Rhea
3. 1,161 views
How many chickens and rabbits are in the yard if you have 18 heads and 58 feet
1. 1 answer
2. asked by coby
3. 1,150 views
In the following reaction, how many liters of oxygen will react with 270 liters of ethene (C2H4) at STP?C2H4(g) + 3O2(g) --->
1. 2 answers
2. asked by Russell
3. 1,145 views
At 627ºC, sulfur dioxide and oxygen gases combine to form sulfur trioxide gas. At equilibrium, the concentrations for sulfur
1. 1 answer
2. asked by dauntedorange
3. 1,108 views
A 220g block on a 54.0cm -long string swings in a circle on a horizontal, frictionless table at 70.0 rpm.A) What is the speed of
1. 1 answer
2. asked by Jenny
3. 1,099 views
a gas has a volume of 95 ml at a pressure of 700 torr and temp of 77C what volumn will this gas occupy at stp
1. 7 answers
2. asked by Anonymous
3. 1,089 views
Calculate the wavelength of light if 1.50 mol of photons has an energy of 125 kJ.6.02x10^23 things=1.00 mol(things) c=3.00x10^8
1. 1 answer
2. asked by Kristen
3. 1,080 views
Calculate the speed in m/s at which Earth revolves about the Sun. You may assume the orbit is nearly circular.
1. 2 answers
2. asked by Adaija
3. 1,063 views
A queen on an English chessboard is able to attack in the same row, column and diagonal. The probability that 2 randomly placed
1. 1 answer
2. asked by Don
3. 1,059 views
During an art context at your school, you and a classmate each won blue ribbons for 1/3 of the pieces you entered in the
1. 2 answers
2. asked by Savannah
3. 1,044 views
Sampling DistributionComplete solutions and illustrations are required. 5.The standard deviation of a variable is 15. If a
1. 1 answer
2. asked by Tina
3. 1,040 views
Uksis m16 ussr adfd ssa f2b
1. 0 answers
2. asked by Frank umpierre
3. 1,031 views
During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded.………
1. 0 answers
2. asked by barotseland network
3. 1,030 views
Which of the following mixture would be most likely to produce carbon dioxide? Explain Why?a. magnesium and nitric acid: Mg+
1. 0 answers
2. asked by Donn
3. 1,023 views
A 44 kg skier starts from rest at a height of H = 18 m above the end of the ski-jump ramp. As the skier leaves the ramp, his
1. 1 answer
2. asked by Rachel
3. 1,017 views
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. Thatis why climbers always bring oxygen tanks. If a
1. 1 answer
2. asked by ricardo
3. 1,012 views
ms sue I got most of the answers but im stuck on this one, can you just tell me the answer, it will save my time and help me A
1. 1 answer
2. asked by LOUIS
3. 1,012 views
In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is
1. 2 answers
2. asked by John
3. 1,011 views
Show that the central cell of a normal magic square of the third order must be occupied by 5.Show that in a normal magic square
1. 0 answers
2. asked by Barb
3. 991 views
A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm).
1. 1 answer
2. asked by Laura
3. 988 views
Dry air will break down if the electric field exceeds about 3.0 × 106 V/m. What amount of charge can be placed on a capacitor
1. 0 answers
2. asked by Brian
3. 980 views
Complete the following paragraph relating to the enzyme, β–galactosidase. This enzyme hydrolyses the disaccharide lactose to
1. 1 answer
2. asked by centya
3. 977 views
A 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec.
1. 1 answer
2. asked by Trevor
3. 953 views
(Choose the correct answer) i hope/wish i was a bird
1. 1 answer
2. asked by Aj
3. 948 views
In the figure below, a runaway truck with failed brakes is moving downgrade at 114 km/h just before the driver steers the truck
1. 1 answer
2. asked by Rachel
3. 946 views
43. What is an equation of the circle that has its center at the origin and is tangent to the line y=3x 7?
1. 0 answers
2. asked by Shelyn Yang
3. 941 views
A rock is dropped from a height of 100 meters above the ground. One second later, a ball is thrown vertically downwards, from
1. 0 answers
2. asked by Cristian
3. 936 views
Erica painted a picture of her dog. The picture has an area of 3,600 cm2 and is square. She has placed the picture in a frame
1. 4 answers
2. asked by mom
3. 931 views
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the
1. 0 answers
2. asked by allan jordan
3. 904 views
At a park, 96 brown-bag lunches were given out in thirty minutes. If 29 bags remain and x represents the starting number of
1. 1 answer
2. asked by Anonymous
3. 895 views
lura has 4 yards of material.she is making clothes for her doll. each dress requires 1/6 yards of material. how many dresses
1. 3 answers
2. asked by jo
3. 889 views
In a single swing pendulum moves through an angle of 1.92 Radian.(a). Determine the length of arc treated by the pendulum Bob.
1. 1 answer
2. asked by barotseland network
3. 889 views
What is the volume occupied by 20.2g NH3(g) at -25 degrees celsius and 752 mmHg?This is Ideal Gas Law.
1. 0 answers
2. asked by Ambrosia
3. 879 views
The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s
1. 0 answers
2. asked by Steve
3. 877 views
3.Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.)
1. 5 answers
2. asked by cassie
3. 873 views
This year's harvest from a small, remote banana plantation consists of 3000 bananas. The farmer's camel can carry up to 1000
1. 1 answer
2. asked by Bailie
3. 872 views
The Moon is about 3.8e5 km from the Earth. Find its average orbital speed about the Earth.
1. 1 answer
2. asked by Ashlyn
3. 872 views
A kite is hovering over the ground at the end of a straight 47-m line. The tension in the line has a magnitude of 14 N. Wind
1. 0 answers
2. asked by Dee
3. 870 views
You are at a concert and you are located 91.2-m from the speakers. The frequency belting from the speakers are 291-Hz, if it
1. 0 answers
2. asked by Cam
3. 869 views
a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant
1. 0 answers
2. asked by suzanne
3. 864 views
Water is being poured into an inverted cone(vertex down) of radius 4 in and height 10 in at a rate of 3 in^3/sec. Find the rate
1. 2 answers
2. asked by Trevor
3. 851 views
What is the spring constant of a spring that stores 25 J of elastic potential energy when compressed by 6.0 cm from its relaxed
1. 0 answers
2. asked by Rachel
3. 841 views
7. A helium balloon has a pressure of 40 psi at 20°C. What will the pressurebe at 40°C? Assume constant volume and mass.
1. 1 answer
2. asked by ricardo
3. 820 views

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