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Questions Asked on December 13, 2012

Lucinda wants to build a square sandbox, but she has no way of measuring angles. Which of the following explains how she can
1. 16 answers
2. asked by BaileyBubble
3. 9,929 views
determine the pH of a 0.116 M Ba(OH)2 solution at 25 degrees C.i keep getting 13.06 for this answer, but the answer is 13.37 :S
1. 5 answers
2. asked by Anya
3. 7,776 views
When 0.40 g of impure zinc reacted with an excess of hydrochloric acid, 127 mL of hydrogen was collected over water at 10
1. 3 answers
2. asked by Sandy
3. 6,049 views
The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to
1. 8 answers
2. asked by Eric
3. 5,313 views
How many 4/5 are in 1 ?
1. 5 answers
2. asked by noah
3. 4,736 views
What is the nth derivative of sinhx and coshx?
1. 2 answers
2. asked by Muritala
3. 4,628 views
A particular guitar string is supposed to vibrate at 210Hz , but it is measured to vibrate at 220HzBy what percent should the
1. 2 answers
2. asked by melissa
3. 4,578 views
The pilot of an aircraft flying horizontally at a speed of 1200 Km/hr observes an angle of depression of a point on the ground
1. 3 answers
2. asked by Meenakshi
3. 3,976 views
Rolling a number cube once what is the probability of rolling a number greater than 4 ?
1. 3 answers
2. asked by noah
3. 3,785 views
Given the table below predict the numerical value of the standard cell potential for the reaction:2 Cr(s) + 3 Cu2+(aq) 2
1. 1 answer
2. asked by Anya
3. 3,684 views
there was a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. some boys left before
1. 7 answers
2. asked by maxy
3. 3,412 views
Lily and Sara each had an equal amount of money at first. After Lily spent $18 and Sara spent $25, Lily had twice as much as
1. 3 answers
2. asked by Ashli
3. 3,373 views
In the Ambrose family, the ages of the three children are three consecutive even integers. If the age of the youngest child is
1. 2 answers
2. asked by Amy
3. 2,972 views
1. Two species live in the same area but breed in different parts of their habitat. These species areA) geographically isolated.
1. 5 answers
2. asked by Anon
3. 2,915 views
how to calculate the heat (kJ) released to thesurroundings when a 23.0 g of HCL if formed, from a CH4 + Cl2=CHCl3+3HCL
1. 2 answers
2. asked by alex
3. 2,837 views
When a load of 0.97 106 N is placed on a battleship, the ship sinks only 3.0 cm in the water. Estimate the cross-sectional area
1. 1 answer
2. asked by Lauren
3. 2,789 views
Two particles are fixed on an x axis. Particle 1 of charge 47.9 μC is located at x = -5.87 cm; particle 2 of charge Q is
1. 1 answer
2. asked by Anonymous
3. 2,392 views
a parking meter gives 30 minutes for each quarter and 6 minutes for each nickel. the equation 30x+6y=60 describes the number of
1. 1 answer
2. asked by hannah
3. 2,288 views
The Hershey-Chase experiment proved that DNA was the hereditary material because?A)radioactive phosphorus in viral proteins was
1. 5 answers
2. asked by TheGirlNextDoor
3. 2,259 views
how tall must a water filled manometer be to measure blood pressure as high as 300 mm Hg? what do i use for pressure, density
1. 3 answers
2. asked by Help!
3. 2,223 views
i'm not exactly sure how to do this question :/i don't even know where to start. "Determine the equilibrium [F-] of the
1. 7 answers
2. asked by Anya
3. 2,208 views
Is this done right?White phosphorous, P4, spontaneously bursts into flame in Oxygen gas. if 6.5 g of white phosphorous reacts
1. 7 answers
2. asked by Anya
3. 2,132 views
Which of the following equations has an infinite number of solutions? (1 point)3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x +
1. 11 answers
2. asked by James
3. 2,092 views
In triangle GHJ and triangle KLM, it's given that <G and <K are right angles, segment GH is = to segment KL and <H is = to <L.
1. 2 answers
2. asked by sherianna johnson
3. 2,027 views
Which of the following best describes the heat engine?A. A heat engine works through the conversion of energy in the form of
1. 3 answers
2. asked by Anonymous
3. 1,989 views
For the cell shown below, which will increase the cell voltage the most?Fe2+ | Fe3+ || Cu2+ | Cu A) Halve[Cu2+] B) Double[Cu2+]
1. 9 answers
2. asked by Anya
3. 1,970 views
a hockey player accelerates a puck (m=.167 kg) from rest to a velocity of 50 m/s in 0.0121 sec. Determine the acceleration of
1. 1 answer
2. asked by Anonymous
3. 1,921 views
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static
1. 2 answers
2. asked by Amy
3. 1,835 views
a boat of mass 90 kg is floating in still water a body of mass 30 kg walks from the stern to the boat the length of the boat is
1. 2 answers
2. asked by sony
3. 1,834 views
A 1.73 g sample of a molecular compoundis dissolved in 105 g of tetrachloromethane (carbon tetrachloride). The normal boiling
1. 2 answers
2. asked by John Smith
3. 1,823 views
How much work must be done to increase the speed of an electron (a) from 0.18c to 0.19c and (b) from 0.98c to 0.99c? Note that
1. 3 answers
2. asked by Brian
3. 1,822 views
The sum of the measures of two exterior angles of a triangle is 264o. What is the measure of the third exterior angle?
1. 3 answers
2. asked by BaileyBubble
3. 1,809 views
Help?Which word in a sentence or phrase determines the gender of its descriptors? A. adjective B. verb C. noun D. infinitive E.
1. 11 answers
2. asked by Victoria
3. 1,808 views
True/FalseIndicate whether the statement is true or false. 11. A person with good self-esteem is willing to try new things. (1
1. 2 answers
2. asked by Delilah
3. 1,711 views
A 6.1 kg bowling ball is lifted 2.4 m into astorage rack. The acceleration of gravity is 9.8 m/s 2 . Calculate the increase in
1. 2 answers
2. asked by Anonymous
3. 1,677 views
What was the purpose of the Washington Naval Disarmament Conference and the Kellogg-Briand Pact? What prompted them? Was the
1. 2 answers
2. asked by Rodney
3. 1,670 views
A sound wave is traveling in warm air when it hits a layer of cold, dense air.If the sound wave hits the cold air interface at
1. 1 answer
2. asked by melissa
3. 1,597 views
assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard deviation of 15 find the
1. 2 answers
2. asked by Rebecca
3. 1,562 views
To determine the number of fish in a lake , a conservationist catches 500 fish, tags them, and releases them into the lake.
1. 1 answer
2. asked by David
3. 1,362 views
Two identical guitar strings are stretched with the same tension between supports that are not the same distance apart. The
1. 3 answers
2. asked by Kathy
3. 1,348 views
An open box is to be made from a 11 inch by 11 inch piece of cardboad. this box is constructed by cutting squares that measure x
1. 2 answers
2. asked by Des
3. 1,334 views
What was the nature and extent of the Umayyad Empire? How do you answer this question? What's an empire's nature? HELP PLEASE!
1. 5 answers
2. asked by Daniela
3. 1,319 views
Two point charges are placed on the x-axis a follows: charge q1= +4.00nC is located at x=0.200m, and charge q2= +5.oonC is at
1. 1 answer
2. asked by jay
3. 1,300 views
Point S is 4 km west of point R, and point T is 4 km southwest of S. Find the bearing and distance from R to T.(If possible,
1. 1 answer
2. asked by Erin
3. 1,298 views
Check?Choose the correct option to complete the sentence Choose the correct option to complete the sentence 1. Marco y Ana
1. 8 answers
2. asked by Unknown
3. 1,297 views
Imagine that a new asteroid is discovered inthe solar system with a circular orbit and an orbital period of 7 years. What is the
1. 1 answer
2. asked by Anonymous
3. 1,291 views
in pea plants yellow peas are dominant over green peas. a particular pea plant has one recessive allele for green peas. in which
1. 1 answer
2. asked by gabe
3. 1,286 views
Triangle HIJ is similar to triangle LMN. Side LM measures x + 1, side MN measures 2x and side NL measures 3x – 1. Side HI
1. 1 answer
2. asked by neecee
3. 1,241 views
If 2 cups of rice requires 4.5 cups of water, what is the total number of cups of water needed to prepare 5 cups of the same
1. 1 answer
2. asked by Mimi
3. 1,239 views
After a meal at a child care center ,the left over hot food that has been in serving bowls that have been on the table should
1. 2 answers
2. asked by JoJo
3. 1,238 views
What is the momentum of a two-particle system composed of a 1400 kg car moving east at90 m/s and a second 900 kg car moving west
1. 1 answer
2. asked by Anonymous
3. 1,231 views
An adjective:A) Modifies another noun only. B) Modifies a noun or a pronoun. C) Modifies a noun, pronoun, adjective, or adverb.
1. 1 answer
2. asked by Marie
3. 1,174 views
There are two polarizing filters that are out of alignment by 30 degrees. If the light of intensity 1.00 W/m^2 and initially
1. 2 answers
2. asked by Bruce
3. 1,154 views
Suppose you invest $700 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after
1. 1 answer
2. asked by jeannie
3. 1,148 views
5. 4x + 2 = x + 8. (1 point) x = 4 x = 3 x = 2 x = 1 Solve the inequality. 6. q – 12 ≥ –13 (1 point) q ≥ 1 q ≥ –1 q
1. 0 answers
2. asked by Anonymous
3. 1,141 views
Write the equation of the line (in slop/intercept form) that has a slop of 7 and goes through the point (6,4).
1. 1 answer
2. asked by David
3. 1,111 views
Bernie put in a garden in her back yard. The garden has a perimeter of 265 feet. She wants to know the total surface area of the
1. 1 answer
2. asked by Kate
3. 1,096 views
A stone is thrown upward with a speed of 20 m/s. It is caught on its way down at a point 5.0 m above where it is thrown.A) How
1. 2 answers
2. asked by Aaron
3. 1,090 views
A simple sentence:A) Can be reversed and still mean the same thing. B) Expresses one complete thought with one subject and one
1. 1 answer
2. asked by Marie
3. 1,089 views
Two identical guitar strings are stretched with the same tension between supports that are not the same distance apart. The
1. 0 answers
2. asked by Anonymous
3. 1,080 views
A 4.2 × 10^3kg car accelerates from rest at the top of a driveway that is sloped at an angle of 18.4◦ with the horizontal. An
1. 1 answer
2. asked by alice
3. 1,069 views
a bike passes a lamp post at the crest of hill at 4.5 m/s. she accelerates down the hill at the rate of 0.04 m/s squared for 12
1. 2 answers
2. asked by Dawn
3. 1,069 views
a piece of styrofoam has a density of 30kg/m3 and a mass of 3.6kg. if the piece of styrofoam has a lenght of 1.2m and a width of
1. 0 answers
2. asked by Waheeda
3. 1,064 views
Papa Tells Chita a StoryPapa said, "I kept riding,riding,riding...and the sun got hotter,hotter,hotter."Why do you think Papa
1. 1 answer
2. asked by gabe
3. 1,060 views
How many 4/5s are in 1 ? Isn't the answer 5/4 ?
1. 1 answer
2. asked by noah
3. 1,059 views
andrea cuts 62 1/2 inches of ribbon into 4 equal hair ribbons. How long was each hair ribbon?
1. 1 answer
2. asked by emma
3. 1,050 views
Is the ordered pair (0,0) a solution of the direct variation equation y=kx ?
1. 3 answers
2. asked by Cassidy
3. 1,031 views
Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $115, and 33 tickets
1. 3 answers
2. asked by maria
3. 1,025 views
what is the surface area of two similar containers are 1125 n 375 what is the volume for the container if the other one is 450
1. 1 answer
2. asked by Anonymous
3. 1,012 views
Melissa and Emily leave by car from the same location traveling in opposite directions. Melissa leaves at 4:00 traveling at
1. 1 answer
2. asked by David
3. 991 views
The number of bacteria in a stagment pond doubles every hour. A farmer sprays it every two hours and kils 3/4 of bacteria
1. 0 answers
2. asked by Jenny
3. 981 views
Check?Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C.
1. 0 answers
2. asked by Victoria
3. 973 views
Abbott was orphaned at the age of five. For the next fifteen years his material needs were met by his Uncle Barton. On his 13th
1. 0 answers
2. asked by Angela
3. 972 views
The equation of a line that passes through (0,0)
1. 1 answer
2. asked by David
3. 969 views
10 people,each of mass 70 kg, stand on a boat with a mass of 1000 kg. they jump off one end of the boat with velocity 1 m/s
1. 1 answer
2. asked by harkaran
3. 959 views
Select the paragraph which is correctly punctuated:A) The patient came in today for her postoperative visit. She is status post
1. 1 answer
2. asked by Marie
3. 953 views
Which one of the following major concepts is NOT included in the conceptual framework on which education nutrition is based?a.nu
1. 4 answers
2. asked by JoJo
3. 948 views
To make an orange dye, 4 parts of red dye are mixed with 3 parts of yellow dye. To make a green dye, 2 parts of blue dye are
1. 1 answer
2. asked by Tom
3. 935 views
You are in business and you are given two opportunities. The first you will have to invest $5,000 but you could earn $25,000
1. 1 answer
2. asked by Teresa A Taylor
3. 932 views
CHECK PLEASE?!Part 1: Poem Structure "Annbel lee" by edgar allen poe In this part, you will analyze the structure of the poem.
1. 8 answers
2. asked by Unknown
3. 928 views
The angle of elevation of the top of a tower as observed from a point on the ground is alpha and on moving a meters towards the
1. 1 answer
2. asked by Meenakshi
3. 920 views
Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units
1. 3 answers
2. asked by Jen
3. 919 views
use distributive property to slove5(4.9)
1. 0 answers
2. asked by taliah
3. 914 views
What is the verbal expression of 2(n-6)?
1. 2 answers
2. asked by Tomas
3. 902 views
Dave buys 3 green peppers and 2 red peppers for $3.45. Ruth buys 4 green peppers and 3 red peppers for $ 5.00. Find the price of
1. 1 answer
2. asked by Sam
3. 889 views
if the wood in the bowl contains only 1/16 of its original C-14, then its age is four half-lives of C-14.
1. 1 answer
2. asked by Anthony
3. 884 views
Simplify.(2-5i)-(3+4i)
1. 2 answers
2. asked by Cynthia
3. 869 views
Product in thousand kilogram of a certain company in first,second and third e.t.c. Weeks is the same as the co-efficient of the
1. 0 answers
2. asked by amed
3. 863 views
How much work is done to the wagon by the girl pulling her brothershown in Figure 4.16, if she travels 25 m? F= (50N), 30
1. 1 answer
2. asked by juninho
3. 850 views
Benji is 55 ft from the base of his apartment building in New York when he spots his friend, Ronny, in the apartment building
1. 1 answer
2. asked by Anonymous
3. 850 views
How many grams of water can be formed from 10 grams of oxygen?
1. 0 answers
2. asked by ashley
3. 847 views
A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 2.00 g of the compound produced 2.868 g CO2 and 1.567 g
1. 4 answers
2. asked by MSJO
3. 842 views
Ground beef sells for $4.75 per kg and ground pork sells for $5.50 per kg. How many kg of ground pork should be mixed with 8 kg
1. 1 answer
2. asked by Cassandra
3. 841 views
The density of mercury is 13.54 g/cm3. Suppose you need 40 gm of mercury for an experiment. What volume of mercury do you need?
1. 4 answers
2. asked by jazmin
3. 820 views
log5(x+3)+log5(x-2)=log5(14)
1. 1 answer
2. asked by Halie
3. 810 views
Please help me to solve this problem.Find the equation of the locus of a moving point if the sum of the slopes of the line
1. 1 answer
2. asked by xavier
3. 799 views
How many 4/5 are in 1 why wouldn't the answer be 5/4 ?
1. 1 answer
2. asked by noah
3. 797 views
order the fractions from least to greatest 7/10 9/20 4/5
1. 3 answers
2. asked by josh
3. 785 views
So I have figured this out but I don't think this is the way I am suppose to write the equation fraction out.8 1/2 years ago,
1. 7 answers
2. asked by Moby
3. 774 views
Check?Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C.
1. 1 answer
2. asked by Victoria
3. 763 views

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