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January

Questions Asked on January 30, 2014

prove tan (theta/2)= (sin(theta))/(1+cos(theta))for theta in quadrant 1 by providing the calculation along with the reason.I
1. 1 answer
2. asked by LIZZIE
3. 829 views
if sin and sec of theta are less than zero what quadrant is it in
1. 2 answers
2. asked by Anonymous
3. 844 views
I'm not sure how to solve this:If 125 cal of heat is applied to a 60.0-g piece of copper at 20.0∘C , what will the final
1. 15 answers
2. asked by mysterychicken
3. 16,105 views
When camomile finished making a bracelet , it was 7.9 inches long what was the diameter?
1. 1 answer
2. asked by Beth
3. 427 views
Jerrod's bike has a tire diameter of 26 inches. How far will the bike travel in 100 rotations of its tires?
1. 5 answers
2. asked by Tom
3. 2,540 views
So who exactly answers any homework questions I have for school? IM just wondering ya'know?How reliable are the answers?~fanofch
1. 4 answers
2. asked by ilikezackalot
3. 677 views
1. The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture createsA. drinking water. B. smog. C. pesticides.
1. 7 answers
2. asked by Beatrice
3. 1,123 views
if a 16 ounce can of soup costs 64 cents, what is the cost for each ounce of soup?
1. 1 answer
2. asked by Chloe
3. 525 views
A merry-go-round has a circumference of 15 feet. What is the radius of the merry-go-round to the nearest tenth of a foot?
1. 1 answer
2. asked by Anonymous
3. 746 views
Mr Townes created a 2foot wide garden path around a circular garden. The radius of the garden is 7 feet. He wants to cover the
1. 3 answers
2. asked by Sam
3. 2,316 views
Phosphoric Acid is usually obtained at an 85% phosphoric acid solution, by mass. If this solution is 15 M, what is the density
1. 2 answers
2. asked by JL
3. 3,096 views
: Cost of machine $ 90,400 Residual value $ 3,400 Useful life 5 years Estimated units machine will produce 100,000 Actual
1. 0 answers
2. asked by Anonymous
3. 689 views
the ratio to the number of mystery books to the number of science fiction books is 4:3the ratio of the number of science fiction
1. 8 answers
2. asked by Anonymous
3. 3,148 views
A spoke on a wagon wheel is 2 feet long. What is the circumference of the wagon wheel to the nearest tenth of a foot?
1. 4 answers
2. asked by Anonymous
3. 778 views
A rubber ball is dropped from height h. It bounces 27" (60%). Write an equation you can use to find height h
1. 1 answer
2. asked by Jeanne
3. 744 views
How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?
1. 29 answers
2. asked by Cindy
3. 10,511 views
Katepoured 8 ounces of juice of a 64 ounce bottle Brian poor 60 ounces of juice from a 128 ounces bottle what ratio of juice is
1. 1 answer
2. asked by Tania
3. 634 views
on a certain map,10 miles is represents 1.5 centimeters.what is the distance on the map that represents 40 miles?
1. 2 answers
2. asked by ivyjane
3. 956 views
A superball is tossed vertically 40 feet and rebounds on each bounce 3/5 of the height from which it fell. How far will it
1. 1 answer
2. asked by Joann
3. 496 views
How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?Help ME PLEASE!
1. 7 answers
2. asked by Cindy
3. 1,639 views
from a height of 40 m above sea level, two ships are traveling due west. the angles of depression are 45 degrees and 60 degrees.
1. 1 answer
2. asked by carlos
3. 1,322 views
what was Scribner's monthly, "a georgia plantation" about?thanks!
1. 1 answer
2. asked by lauren
3. 571 views
The white house, built 1792, is the oldest federal building in washington DC . The building has undergone extensive remodeling
1. 1 answer
2. asked by Nick
3. 749 views
Granite is an igneous rock that forms from magma cooled below Earth's surface.Why would granite have larger crystals than
1. 2 answers
2. asked by Anonymous
3. 1,868 views
If the area of triangle A B C D is 25 square inches, what is the area of the parallelogram A B C D?
1. 1 answer
2. asked by Isabella
3. 477 views
Does sound travel faster in wood or water?
1. 2 answers
2. asked by Anonymous
3. 935 views
1. Which of the following foods are exempt from the food labeling law?*ready to eat foods as foods at a bakery, deli and/or
1. 2 answers
2. asked by Cassie
3. 3,419 views
Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen duringthe process of A) fossilization. B)
1. 0 answers
2. asked by Ally
3. 678 views
How much time is needed for a car to accelerate from 8.0 m/s to speed of 22 m/s if the acceleration is 3.0 m/s^2?
1. 1 answer
2. asked by Anonymous
3. 1,464 views
An athletes long jump rounded to the nearest metre was 8 m. What are the longest and shortest lengths the jump could have been
1. 3 answers
2. asked by Ann
3. 1,095 views
What genetic theory has been disproven ?
1. 1 answer
2. asked by Anonymous
3. 349 views
From data below, calculate the total heat (in J) associated with the conversion of 0.265 mol ethanol gas (C2H6O) at 451°C and 1
1. 1 answer
2. asked by Sarah
3. 644 views
If you consider The Call of the Wild to be an allegory, which one of the following statements would be true: Judge Miller
1. 1 answer
2. asked by Alice
3. 558 views
An athletes long jump rounded to the nearest metre was 8 m. Whar are the longest and shortest lengths the jump could have been
1. 2 answers
2. asked by Ann
3. 861 views
Julia arrived 20 minutes before the race began. She started right on time. it took her 24 minutes to finish the 6-Kilometer
1. 1 answer
2. asked by Kim Whiteside
3. 557 views
What is the average body fat percentage?
1. 1 answer
2. asked by Anonymous
3. 573 views
An investment was worth $1000. By the end of 2010 the investment had lost 30%. What percent must the investment grow by in 2011
1. 1 answer
2. asked by Martin
3. 509 views
I still don't know how to directly solve this problem. Can someone guide to solve this system of equation by using the
1. 3 answers
2. asked by Anonymous
3. 671 views
calculate the heat needed at 0c each of the following joules to freeze 275gof water
1. 1 answer
2. asked by delana
3. 445 views
The volume of a sphere is given by V=(4/3)3.14r^3, where r is the radius. Compute the volume of a sphere with a radius of 329pm.
1. 1 answer
2. asked by Cain
3. 706 views
A solution is prepared by dissolving 10.00 grams of a monobasic salt in a total volume of 1.00 litres. The pH of this solution
1. 0 answers
2. asked by Temmi
3. 545 views
can anyone answer these 3 answers showing how your work.thanksMrs. Walters drove 160 miles on 5 gallons of gas. How many gallons
1. 2 answers
2. asked by annabelle
3. 1,200 views
Find dy/dx if y= x^6[(x^2-9)^8]?So the answer is supposed to be 2x^5[(x^2-9)^7](11x^2-27), but I don't understand how to get it.
1. 2 answers
2. asked by Ann
3. 609 views
A river flows due east at 1.65 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant
1. 1 answer
2. asked by Tsion
3. 545 views
1. Which of the following foods are exempt from the food labeling law?*ready to eat foods as foods at a bakery, deli and/or
1. 1 answer
2. asked by Cassie
3. 1,649 views
An office heater puts out 2070 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ,
1. 2 answers
2. asked by Cain
3. 782 views
what causes the decreases of the oestrogen levels and on which days of the cycle it occured?
1. 0 answers
2. asked by kay
3. 392 views
please check my answers.Mrs. Walters drove 160 miles on 5 gallons of gas. How many gallons of gas will she need to travel 256
1. 23 answers
2. asked by annabelle
3. 4,587 views
A particular MP3 encoder can convert 79.0 kilobytes (kb) of music per second from a typical music CD. How many minutes will it
1. 1 answer
2. asked by Katie
3. 2,331 views
what were the effects of having to use rivers to complete such long journeys
1. 1 answer
2. asked by Jaennie
3. 404 views
1. How did the formation of the National Action Party change Mexican politics?A.It ended the one-party system. B.It consolidated
1. 36 answers
2. asked by annabelle
3. 2,332 views
Tanya has 4 red marbles, 7 blue marbles, and 8 green marbles. Which expression can be used to find the percent of Tanya's
1. 1 answer
2. asked by Paige
3. 738 views
What is the benefit of using a fixed speed constant pressure system in maintaining a system pressure of 500 kPa at the discharge
1. 0 answers
2. asked by Tony
3. 508 views
We are operating a centrifugal compressor. The gas composition does not change during this excursion. While holding suction
1. 0 answers
2. asked by Tony
3. 483 views
With many lube oil systems, it is common to cool the oil before it is pumped to the end user (engine, compressor, etc). However,
1. 0 answers
2. asked by Tony
3. 605 views
A convenience store owner needs to set the regular price for one gallon of 2% milk. He is going to run a "30% off sale" later in
1. 1 answer
2. asked by Anonymous
3. 582 views
A motorcycle stunt driver zooms off the end of a cliff at a speed of 30 meters per second. If he lands after 0.75seconds, what
1. 2 answers
2. asked by Anonymous
3. 3,253 views
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontallyin a frictionless trough. The spring has
1. 2 answers
2. asked by Barb
3. 577 views
Four charges −8 × 10^−9 C at (0 m, 0 m),−7 × 10^−9 C at (5 m, 1 m), −1 × 10^−9 C at (−2 m, −3 m), and 2 ×
1. 1 answer
2. asked by sarah
3. 658 views
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them
1. 0 answers
2. asked by Krystal
3. 478 views
A student throws a ball vertically upward such that it travels 6.8m to its maximum height. What is the average speed? What is
1. 0 answers
2. asked by bety
3. 554 views
A student throws a ball vertically upward such that it travels 6.8m to its maximum height.If it i caught at 2.4s. What is the
1. 1 answer
2. asked by bety
3. 560 views
there are 8 students auditioning for a play and there are 56 possible outcomes. How many roles are there?
1. 2 answers
2. asked by Susan
3. 432 views
solve for d if ddd base 5 = 124
1. 1 answer
2. asked by lou
3. 924 views
Moving a charge from point A, where the potential is 370V , to point B, where the potential is 190V , takes 4.1×10−4J of
1. 0 answers
2. asked by Phil
3. 702 views
Wavelength in a Closed ColumnHere is the prompt: We place a speaker near the top of a drinking glass. The speaker emits sound
1. 0 answers
2. asked by David
3. 623 views
I'm having trouble solving this problem:For the equation x^(2)y′′ - xy′ = 0 , find two solutions, show that they are
1. 1 answer
2. asked by Student
3. 570 views
On a day with a breeze blowing from the west at 8.5km/h, a remote control helicopter, facing north, takes off vertically from a
1. 1 answer
2. asked by irvin
3. 523 views
A basket weighing 0.3kg is suspended from two ropes which are tied to a horizontal beam. The rope on the left is at an angle of
1. 1 answer
2. asked by irvin
3. 688 views
A car is stopped at a set of traffic lights. It takes off, accelerating at 4.5m/s2 until it is travelling at 60km/h. It
1. 1 answer
2. asked by irvin
3. 599 views
This question is roughly based on some historical data from tropical cyclone Clare which crossed the WA coast near Dampier in
1. 0 answers
2. asked by irvin
3. 509 views
rene put 2 blue marbles, 2 green marbles, 2 red marbles and 2 white marbles in a bag, if Rene takes 1 marble out of the bag
1. 3 answers
2. asked by Larry
3. 644 views
if the 29th term of arithmetic series is double of 19th term then find the 9th term.
1. 1 answer
2. asked by Arpan
3. 1,042 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
1. 0 answers
2. asked by Sania
3. 841 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
1. 0 answers
2. asked by Sania
3. 749 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
1. 0 answers
2. asked by Sania
3. 769 views
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not
1. 1 answer
2. asked by Sania
3. 1,312 views
A rectangular yard measuring 30ft by 35ft is bordered (and surrounded) by a fence. Inside, a walk that is 4ft wide goes all the
1. 1 answer
2. asked by John
3. 778 views
A ship is 100km north-west of cape town harbour and it sails directly north at a velocity of 30km/h in 8 hours.calculate its
1. 0 answers
2. asked by Mike
3. 502 views
Calculate the angle of projection of a projectile in order to hit a target 12km away.the initial velocity is 700m/s ant the time
1. 1 answer
2. asked by Mike
3. 461 views
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of CPlease help thanks
1. 1 answer
2. asked by Joy
3. 737 views
A flywheel has a small magnet mounted on it. EAch time the magnet passes the coil, a voltage pulse is generated, which is passed
1. 1 answer
2. asked by Saraf
3. 1,213 views
Ship made of iron doesn't sinks but iron nail sinks. Why?
1. 2 answers
2. asked by Arpan
3. 553 views
Calculate the enthalpy change of formation for the following reactions using Hess's law, and the enthalpies of formation given
1. 1 answer
2. asked by BOB
3. 973 views
What do each of the following represent?(a) The proportion of persons who test positive for some disease who actually have the
1. 0 answers
2. asked by Anonymous
3. 426 views
When does the narrative of sojourner truth take place
1. 1 answer
2. asked by Alice
3. 468 views
The story of The Wolf use.by Chief Pontiac is an example of A. a simile B. a myth c. personification
1. 1 answer
2. asked by Alice
3. 587 views
A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she
1. 2 answers
2. asked by David
3. 821 views
a__has a definite shape and a definite volume
1. 4 answers
2. asked by Anonymous
3. 1,266 views
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 1.00
1. 1 answer
2. asked by Clare
3. 923 views
Dru is challenged by her geometry teacher to estimate the height of the school flag pole without measuring. She decided to walk
1. 1 answer
2. asked by jan
3. 879 views
A severe thunderstorm dumped 2.4 in of rain in 30 min on a town of area 35 km^2. What mass of water (in kg) fell on the town?
1. 0 answers
2. asked by Robin
3. 677 views
Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide,
1. 0 answers
2. asked by Robin
3. 669 views
Find an equation of the set of all points equidistant from the pointsA(−2, 6, 3) and B(5, 3, −3)
1. 1 answer
2. asked by julide
3. 1,141 views
What is the mass of water that results from combining 2.0 g of hydrogen with 16.0 g of oxygen?14.0 g (I'm thinking this.) 16.0 g
1. 15 answers
2. asked by Anonymous
3. 3,354 views
The coach noticed that Caleb really started to kick the soccer ball with great amount of power after the kicking drills. Caleb
1. 0 answers
2. asked by Ben
3. 584 views
If the ball is in equilibrium when the stringmakes a 43◦ angle with the vertical as indicated, what is the net charge on the
1. 0 answers
2. asked by Anonymous
3. 827 views
Excess body fat may cause...Answer choices: 1. diabetes, lack of stored energy, stroke, and heart disease. 2. lack of organ
1. 3 answers
2. asked by Elina
3. 710 views
What is the mass of sodium nitrate NaNO3 that you would need to add to 250 g of water in order to prepare a solution that is
1. 0 answers
2. asked by Mike
3. 731 views
how many kilocalories of heat are released when 85g steam at 100 degrees C converted to ice at 0.
1. 2 answers
2. asked by Anonymous
3. 1,744 views

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