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2012
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Questions Asked on October 24, 2012

2.Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the
1. 58 answers
2. asked by Delilah
3. 9,707 views
To test the performance of its tires, a cartravels along a perfectly ﬂat (no banking) circular track of radius 120 m. The car
1. 2 answers
2. asked by Noah
3. 5,606 views
A pair of dice is rolled once. suppose you lose $9 if the dice sum to 9 and win $11 if the dice sum to 4 or 6. how much should
1. 1 answer
2. asked by Maddy
3. 5,081 views
Harold says" to find 6x8 , i can use the facts for 5x4and 1x4." do you agree? explain.
1. 6 answers
2. asked by Janessa
3. 4,825 views
two charges repel each other with a force of 0.1N when they are 5cm apart. Find the forces between the same charges when they
1. 3 answers
2. asked by ann
3. 4,622 views
WHY WOULD PLANT CELLS HAVE 1 LARGE CENTRAL VACUOLE AND NOT SEVERAL SMALL ONES LIKE IN AN ANIMAL CELL?
1. 7 answers
2. asked by Ashley
3. 3,845 views
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the
1. 1 answer
2. asked by jim
3. 3,680 views
I posted this earlier but no one answered. :(1. Given a scale factor of 2, find the coordinates for the dilation of the line
1. 15 answers
2. asked by Jman
3. 3,273 views
At this rate how many minivans would pass luann if 60 vehicles passed her there are 15 minivans now and 45 vehicles total
1. 9 answers
2. asked by Bobo
3. 3,258 views
A scientist measures the standard enthalpy change for the following reaction to be -2923.0 kJ :2C2H6(g) + 7 O2(g) 4CO2(g) + 6
1. 2 answers
2. asked by Anonymous
3. 3,207 views
In the experiment 0.500 g of copper reacted with oxygen to give 0.563 g of copper oxide. What is the empirical formula of the
1. 2 answers
2. asked by Brenda
3. 2,888 views
A box of chalk and 2 staples cost $10. Three box of chalk and 2 staplers cost $18. Find the total cost of 1 box of chalk and 1
1. 6 answers
2. asked by Anonymous
3. 2,674 views
A certain paperback sells for $12. The author is paid royalties of 11% on the first 10,000 copies sold, 12.5% on the next 5000
1. 1 answer
2. asked by Pete
3. 2,635 views
EAch set of ordered pairs represents a function. Write a rule that represents the function (2,10),(4,20),(5,25),(7,35),(9,45)
1. 3 answers
2. asked by Dorianna
3. 2,479 views
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3).a.
1. 4 answers
2. asked by Jman
3. 2,438 views
The maximum force a grocery sack can withstand and not rip is 250 N. Calculate the greatest acceleration 20 kg of groceries can
1. 2 answers
2. asked by Sammy
3. 2,404 views
Cannot attach graph!a. If the actual price level exceeds the expected price level reflected in long-term contracts, real GDP
1. 1 answer
2. asked by Amanda
3. 2,171 views
The larger of two consecutive integers is 7 greater than twice the smaller. Find the integers.A) 4,5 B) -8,-9 C) -5,-6
1. 1 answer
2. asked by Monica
3. 2,127 views
The 8 rowers in the racing boat stroke so that the angles formed by their oars with the side of the boat all stay equal. Explain
1. 2 answers
2. asked by Anonymous
3. 2,091 views
1) Entry to a certain University is determined by a national test. The scores on thistest are normally distributed with a mean
1. 1 answer
2. asked by joane
3. 2,076 views
Which of the following solutions will not form a precipitate when added to 0.10M NaOH?a)0.10 M MgBr2 b) 0.10 M NH4Br c) 0.10 M
1. 1 answer
2. asked by lynn
3. 2,066 views
Find the area of a walkway that goes around a rectangular swimming pool. The pool has a length of 30 feet and a width of 18
1. 4 answers
2. asked by Josh
3. 1,990 views
I posted this earlier but no one answered. :(1. Given a scale factor of 2, find the coordinates for the dilation of the line
1. 5 answers
2. asked by Jman
3. 1,929 views
Which of the following substances are likely to be soluble in water?A)ZnS b)Au2(CO3)3 C )PbCL2 d) MnO2
1. 2 answers
2. asked by Lynn
3. 1,914 views
A university wants to estimate the average distance that commuter students travel to get to class with an error of ±3 miles and
1. 5 answers
2. asked by Anonymous
3. 1,906 views
Hi! Sorry to keep bothering you with questions. Can you help me on 6 and 13 please? I cannot find the answers. Also, can you
1. 9 answers
2. asked by Delilah
3. 1,868 views
What is the solution to -75 (find the square root) to the nearest integer?9 8 -8 -9 -75 square root is 8.660254 wouldn't that be
1. 6 answers
2. asked by Delilah
3. 1,817 views
Develop an algorithm, flow chart and pseudocode that accept as input three unit test scores and a project score for seven
1. 1 answer
2. asked by Sophia
3. 1,744 views
Your friend claims that he invested $5,000 seven years ago and that this investment is worth $38,700 today. For this to be true,
1. 2 answers
2. asked by Arielle
3. 1,647 views
A uniform ladder 10.0m long and weighing 50.0N rests against a smooth vertical wall. If the ladder is just on the verge of
1. 1 answer
2. asked by CM
3. 1,625 views
candidates for president are not usually drawn to the office because of salary. why do you think these people run for the
1. 3 answers
2. asked by Anonymous
3. 1,590 views
1. What do you do?- I am a student. 2. What does your father do? - He is an architect. 3. What does your mother do? - She is an
1. 1 answer
2. asked by rfvv
3. 1,570 views
A cookie company uses one cup of sugar for every cookies it makes.Let represent the total number of cups of sugar used, and let
1. 1 answer
2. asked by Anonymous
3. 1,556 views
A sample of orange juice has a pH of 3.44. Its [H3O+] is
1. 1 answer
2. asked by Anonymous
3. 1,551 views
A supersonic jet flying at 137 m/s is accelerated uniformly at the rate of 23.1 m/s2 for 20.0 s.(a) What is its final velocity?
1. 1 answer
2. asked by miranda
3. 1,539 views
A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126
1. 2 answers
2. asked by angela
3. 1,441 views
Microwave ovens emit microwave energy with a wavelength of 12.5 cm. What is the energy of exactly one photon of this microwave
1. 1 answer
2. asked by Myah
3. 1,420 views
A man starts walking north at 4ft/s from a point P. Five minutes later a woman starts walking south at 5ft/s from a point 500 ft
1. 2 answers
2. asked by asdf
3. 1,413 views
A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they doubled the
1. 2 answers
2. asked by Monica
3. 1,382 views
ilorin is at 8.5 degree to the north,4.6 degree to the east and free town at 8.5degree to the north,13.3degree to the west
1. 6 answers
2. asked by flexy
3. 1,368 views
A periodic wave has a frequency of 8.9 Hz. What is the wave period???__s
1. 1 answer
2. asked by angela
3. 1,355 views
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is
1. 1 answer
2. asked by Tyler
3. 1,346 views
2 people, each with a mass of 70 kg, are wearing inline skates and are holding opposite ends of a 15 m rope. One person pulls
1. 1 answer
2. asked by Nur
3. 1,287 views
(cosxcotx/secx+tanx)+(sinx/secx-tanx)
1. 1 answer
2. asked by Milak
3. 1,279 views
Which of the following solutions will not form a precipitate when added to 0.10M NaOH?a) 0.10 M MgBr2 b) 0.10 M NH4Br c) 0.10 M
1. 1 answer
2. asked by lynn
3. 1,264 views
I know who the Director of Health and Human Service is I want to know who the President of DHS The Department of Human Services
1. 2 answers
2. asked by Bonnie
3. 1,247 views
Use an addition or subtraction formula to simplify the expression:tan(2−u)=cot(f(u)).
1. 2 answers
2. asked by Anonymous
3. 1,236 views
An engineer must design a runway to accommodate airplanes that must reach a ground velocity of 60 m/s before they can take off.
1. 0 answers
2. asked by miranda
3. 1,230 views
Consider a spacecraft that is to be launched from the Earthto the Moon. Calculate the minimum velocity needed for the spacecraft
1. 0 answers
2. asked by bee-z
3. 1,218 views
The stock of Company A is valued at $18.20 per share. The company's earnings for one year amounted to $2.80 per share.If Company
1. 0 answers
2. asked by kate
3. 1,199 views
A dog is pulled at an angle of 30 degrees with the horizon using a tension of 450N. If the sled has a mass of 50kg, then find
1. 0 answers
2. asked by Gee
3. 1,197 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
1. 1 answer
2. asked by Anonymous
3. 1,182 views
14.If a right triangle has one of leg measuring 27 inches and one leg measuring 23 inches, what is the length of the hypotenuse
1. 6 answers
2. asked by Delilah
3. 1,172 views
describe the interval you would use for a bar graph if the data rangers from 12 to 39 units.
1. 2 answers
2. asked by Anonymous
3. 1,161 views
The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the
1. 0 answers
2. asked by Meep
3. 1,156 views
suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50th
1. 1 answer
2. asked by lexi
3. 1,152 views
organizations named after rockefellerso far I got.... Rockefeller Center the Rockefeller Foundation is there more because that's
1. 3 answers
2. asked by Laruen
3. 1,143 views
a quaterback throws a ball to a stationary reciver wo is 15.2m down the feild. the football is thrown at an initial angle of 42
1. 0 answers
2. asked by Sierra
3. 1,137 views
What is Daltons atomic model look like?
1. 3 answers
2. asked by Bryce
3. 1,137 views
over a 5 year period of time, 80% of winter days in Philadelphia had an average temperature above freezing. 20% of those days
1. 1 answer
2. asked by zack
3. 1,124 views
Jose washed 3/10 of the windows on his house Saturday morning. He washed another 3/5 of the windows that afternoon. What
1. 1 answer
2. asked by Jerald
3. 1,120 views
Distance between two 3-D points. Given two points in space (3-dimensional), find the distance between them. The user will input
1. 2 answers
2. asked by amira
3. 1,116 views
A cannonball is fired with a velocity of 200 m/s at an angle of 25 degrees above the ground. After the total flight of 45.6
1. 2 answers
2. asked by Anne
3. 1,091 views
12th grade physics ap question.A baseball with a mass of 120 g is hit 21.8 m into the air. The ball is caught by the third
1. 2 answers
2. asked by Ravin
3. 1,086 views
A cattle train left Miami and traveled toward New York. 14 hours later a diesel train left traveling at 45km/h in and effort to
1. 1 answer
2. asked by Bob
3. 1,082 views
A 4.3 g dart is fired into a block of wood with a mass of 22.6 g. The wood block is initially at rest on a 1.4 m tall post.
1. 0 answers
2. asked by Angela
3. 1,078 views
From a point 120 feet from the base of a plant building the angle of elevation to the roof line of the building is 38 degrees.
1. 0 answers
2. asked by Dan
3. 1,078 views
The length of the rod will become exactly half of its original value.The length of the rod remains the same. The length of the
1. 1 answer
2. asked by Laurie
3. 1,075 views
MgO + HNO3 =
1. 0 answers
2. asked by bhanuka
3. 1,070 views
A fully charged 90-µF capacitor is discharged through a 60-Ω resistor. How long will it take for the capacitor to lose 80% of
1. 4 answers
2. asked by Bruce
3. 1,061 views
Is bluntbomb corporation. Good. Investment
1. 1 answer
2. asked by head
3. 1,060 views
aj uses a lingshot to launch a rock straight up from the a point of 6 ft. above ground level with an initial velocity of 170 ft
1. 1 answer
2. asked by jhon avendano
3. 1,060 views
Susan is 5 years older than her sister jennifer the sum of their ages is 51 write and equation and find the ages of both sisters
1. 2 answers
2. asked by jimmy
3. 1,052 views
sally has a bag with red,blue, and green marbles. She has twice as many blue marbles as red marbles. She has 5 times as many
1. 1 answer
2. asked by Anonymous
3. 1,045 views
From experience, the manager of Kramer's Book Mart knows that 40% of the people who are browsing in the store will make a
1. 1 answer
2. asked by Paul
3. 1,040 views
Suppose that 0.450 of methane,CH4(g) , is reacted with 0.600 of fluorine, F2(g), forming CF(g) and HF(G) as sole products.
1. 2 answers
2. asked by ricardo
3. 1,033 views
What kinds of people sailed to the New World in the 1400s?
1. 1 answer
2. asked by Marina
3. 1,027 views
A 3.6 diameter merry-go-round is rotating freely with an angular velocity of 0.73 . Its total moment of inertia is 1600 . Four
1. 0 answers
2. asked by Rosanna
3. 1,026 views
A speed skater goes around a turn that has a radius of 29 m. The skater has a speed of 14 m/s and experiences a centripetal
1. 2 answers
2. asked by Anonymous
3. 1,026 views
The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One
1. 0 answers
2. asked by Tim
3. 1,017 views
Put in order least to greatest0.4 0.44 4.00 0.04 Please help me solve this
1. 7 answers
2. asked by bo 5th grader
3. 994 views
number sense what two simpler problems can you use to find 9x38?
1. 2 answers
2. asked by johnnie
3. 989 views
a rectangle is made of 9 tiles and has 3 tiles in each row. how many different number sentences can you write for this
1. 1 answer
2. asked by jay
3. 987 views
I know that there are a whole bunch of proxy servers out there but I can't seem to find one that will help me get around the
1. 2 answers
2. asked by Anonymous
3. 983 views
Rewrite 2sinx/(cotx+cscx) as an expression that doesn't involve a fraction.
1. 0 answers
2. asked by Milak
3. 981 views
Why do some call him a Capatain of Industry?Now for this question I know why, is because since he a industrialist, he controlled
1. 3 answers
2. asked by Laruen
3. 980 views
A sample of helium occupies 1521 mL at 719 mmHg. Assume that the temperature is held constant and determinea) the volume of the
1. 2 answers
2. asked by Haley
3. 978 views
find the interest rate to the nearest hundredth of a percent that will produce $2500, if $2000 is left at interest compounded
1. 0 answers
2. asked by amber
3. 976 views
Pluralists believe that the dominant player in American politics is (1 point)the president. groups. the government. rich
1. 6 answers
2. asked by Anne
3. 974 views
24cm^3 of a mixture of methane and ethane were exploded with 90cm^3 of oxygen. After cooling to RTP the volume of gases was
1. 2 answers
2. asked by LC
3. 971 views
Consider a human femur of length L = 469 mm. Model the bone as a hollow cylinder, with inner radius Ra = 4.17 mm and outer
1. 0 answers
2. asked by Anonymous
3. 955 views
A 5.57-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component
1. 0 answers
2. asked by mike
3. 942 views
what parts of canada are good for growing crops
1. 1 answer
2. asked by ariana
3. 941 views
A ferry is crossing a river. The ferry isheaded due north with a speed of 2.4 m/s relative to the water and the river’s
1. 1 answer
2. asked by Anonymous
3. 926 views
How much work did the movers do horizontally pushing a 160-kg crate 10.3m across a rough floor without acceleration, if the
1. 0 answers
2. asked by Lisa
3. 911 views
What is the velocity of a car traveling from the east coast to the west coast at an average speed of 50 kph?
1. 0 answers
2. asked by murphy
3. 911 views
A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some
1. 1 answer
2. asked by Help please
3. 900 views
What mass of lithium (in g) is required to react completely with 58.3 mL of N2 gas at STP?
1. 1 answer
2. asked by Lee
3. 900 views
1. what is the smell and odor of NaCl when you add AgNO3 and HNO3.2. What is the smell and odor of NaBr when you add AgNO3 and
1. 1 answer
2. asked by Anonymous
3. 892 views
why would a molecule change color under acidic or basic conditions?
1. 1 answer
2. asked by Cristian
3. 879 views

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