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Questions Asked on January 22, 2013

calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.74 x 10^14 Hz. i have no idea how
1. 5 answers
2. asked by savannah
3. 6,896 views
Find z so that 5% of the area under the standard normal curve lies to the right of z.the answer according to the book is 1.645,
1. 2 answers
2. asked by Jessica
3. 6,364 views
Two springs are attached side by side to a green box of mass M. Determine an expression that describes the period of motion of
1. 2 answers
2. asked by Rose
3. 5,299 views
The load L a horizontal beam can safely support varies jointly as the width w and the square of the depth d and inversely as the
1. 2 answers
2. asked by Audrey
3. 4,692 views
A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include
1. 2 answers
2. asked by yvonne
3. 4,004 views
The average life of Canadian women is 73.75 years and the standard deviation of the women's life expectancy in Canada is 6.5
1. 2 answers
2. asked by mzb
3. 3,972 views
A jar contains 24 blue marbles, 16 red marbles, and 14 white marbles. Find the simplified ratio of total marbles to red marbles.
1. 11 answers
2. asked by Bell
3. 3,748 views
How do Miss Prism and Chasuble contribute to the overall themes and development of the play?
1. 0 answers
2. asked by Chase
3. 3,695 views
Use the function rule, y = 2x + 5, to find the values of y when x = 1, 2, 3, and 4. Write the answers as ordered pairs that
1. 13 answers
2. asked by katie
3. 3,639 views
From the top of a cliff 150m high, the angles of depression of two boats are 60 and 30. Find the distance between the boats if
1. 1 answer
2. asked by Anonymous
3. 3,612 views
I have 13 ones and 4 tens. Who am I
1. 5 answers
2. asked by denise
3. 3,537 views
moving a charge from point a,where the potential is 300v, to point b,where the potential is 150v takes 4.5x 10-4 J ofwork. What
1. 1 answer
2. asked by Lawrence
3. 3,351 views
What elements of the Restoration comedy are seen in The Importance of Being Earnest?
1. 4 answers
2. asked by Jason
3. 3,168 views
Determine the mass of CO2 gas that has a volume of 7.10 L at a pressure of 1.11 atm and a temperature of 31.0°C.
1. 2 answers
2. asked by Abi
3. 3,090 views
An aircraft flying at a steady velocity of 70m/s eastwards at height of 800m drops a package of suppliesa)express the initial
1. 6 answers
2. asked by Minte
3. 2,996 views
Formula: 2LiOH + CO2 yields Li2CO3 +H2OSuppose a lithium hydroxide canister contains 155grams of LiOH. What mass of CO2 will the
1. 3 answers
2. asked by Liem
3. 2,966 views
Given the following data:S(s) + 3/2 O2(g)-->SO3(g) ∆H = -395.2 kJ 2SO2(g) + O2(g) -->2SO3(g)∆H = -198.2 kJ Calculate ∆H
1. 1 answer
2. asked by Eddie
3. 2,759 views
benzene ring-N-H-CH3H \ N-benzene ring / CH3 select the class of compound from the choice below. 1-acetal 2-alcohol 3-alkene
1. 1 answer
2. asked by centya
3. 2,279 views
An antacid tablet containing calcium carbonate as an active ingredient required 9.19 mL of 0.0956 M H2SO4 for complete
1. 1 answer
2. asked by ATS
3. 2,266 views
Bert is standing on a ladder picking apples in his father's orchard. As he pulls each apple off the tree, he tosses it into a
1. 1 answer
2. asked by Robert
3. 2,236 views
The nuclide 96Nb decays by a first-order process with a rate constant of 2.96 × 10-2 h-1. How long will it take for 85% of the
1. 1 answer
2. asked by Jeremy
3. 2,229 views
Thyroxine, an important hormone that controls the rate of metabolism in the body can be isolated from the thyroid gland. If
1. 1 answer
2. asked by Emma
3. 2,133 views
Again i wrote the question wrong.4. Classify the triangle with angles measuring 69º, 42º, and 69º. A. right B. equilateral C.
1. 5 answers
2. asked by Jman
3. 2,118 views
Jordan has as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does Joseph have?4/5 x 56/1 = 224/5 = 44.40 answer 44
1. 6 answers
2. asked by Moby
3. 2,012 views
a sample of hydrogen effuses through a porous container about 9 times faster than an unknown gas. Estimate the molar mass of the
1. 1 answer
2. asked by Anonymous
3. 1,956 views
Write a rule for the linear function in the table.x f(x) 1 3 2 2 3 1 4 0 A. f(x) = 4x B. f(x) = x – 4 C. f(x) = x + 4 D. f(x)
1. 2 answers
2. asked by chris
3. 1,941 views
What is the significance of the repetition of the word absurd in the play?
1. 5 answers
2. asked by Tyler
3. 1,932 views
6. Each of the following words has the suffix -ed. Which word is spelled correctly?A. Plotted B. Preenned C. Duckked D. Cleanned
1. 4 answers
2. asked by Hennessey
3. 1,923 views
10. How does Algernon find out where Jack’s house in the country is located?He eavesdrops on Jack.--Is this correct? He has
1. 3 answers
2. asked by Ashley
3. 1,860 views
Marie bought 8 pounds of applesbfor 0.82 per pound and paid for them with a ten dollar bill. How much should she get back in
1. 4 answers
2. asked by jazzi
3. 1,846 views
How do scientists calibrate a molecular clock? A)They determine the number of mutations accumulated in a gene of a species of
1. 7 answers
2. asked by Corie
3. 1,765 views
A hotair balloonist, rising vertically with a constant speed of 5.00 m/s, releases a sadndbag at the instant the balloon is 40.0
1. 1 answer
2. asked by Kayla
3. 1,638 views
Glenda bought z containers of laundry detergent at $9 each.She gave the cashier $50. a. Find the change Glenda received in terms
1. 5 answers
2. asked by Alex
3. 1,531 views
What is a molecular clock?A)a tool scientists use to date fossils B)a tool scientists use to determine how many mutations a
1. 4 answers
2. asked by Corie
3. 1,443 views
An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0%
1. 2 answers
2. asked by Anonymous
3. 1,399 views
The stadium capacity allows for players, radio and newspaper reporters, and stadium workers in addition to spectators. How many
1. 2 answers
2. asked by Anonymous
3. 1,369 views
During 200 meter and 400 meter races, runners must stay in lanes as they go around a curved part of the track. If runners in two
1. 2 answers
2. asked by Kayla
3. 1,368 views
Les vas a dar muchos regalos a tus padres.Quiero comprarles unos guantes a mis sobrinos Clara va a venderle sus libros de
1. 1 answer
2. asked by Anna
3. 1,364 views
a sample of hydrogen effuses through a porous container about 9 times faster than an unknown gas. Estimate the molar mass of the
1. 1 answer
2. asked by Anonymous
3. 1,349 views
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 55.0g are combined with 110g of water at 77^\circ C in an
1. 1 answer
2. asked by Brittany
3. 1,303 views
Which of the following is an independent clause?Where Juan lived. Because Juan was brave. Juan's favorite adventure. Juan
1. 3 answers
2. asked by Anonymous
3. 1,296 views
On the first day of their 2598 mile trip , the curtis family drove 683 miles.how many more miles do they have to drive until
1. 1 answer
2. asked by jazzi
3. 1,291 views
A 2.0kg block hang from a vertical spring causes it to stretch by 200cm. If the 2.0kg block is replaced by a 0.50kg mass and the
1. 3 answers
2. asked by Ellie
3. 1,284 views
A ball thrown horizontally at 22.76 m/s travels a horizontal distance of 46.81 m before hitting the ground. From what height was
1. 1 answer
2. asked by Student
3. 1,259 views
Sterling Browns Riverbank Blues. Who do you think Brown wrote this for and who was the audience?
1. 1 answer
2. asked by Emi
3. 1,254 views
Which of the following statements is not true about samples that can be treated as matched pairs data?I. Data collected on these
1. 0 answers
2. asked by Meep.
3. 1,246 views
Which of the following ratios are NOT equivalent to four eighths ? (Hint: There is more than one that is not equivalent.)
1. 9 answers
2. asked by Bell
3. 1,239 views
Tom was engrossed in his 340 page book. He stopped on page 127 at noon to eat lunch he stopped on page 253 to eat dinner.how
1. 1 answer
2. asked by jazzi
3. 1,224 views
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard
1. 1 answer
2. asked by Jessica
3. 1,222 views
Height of an Obelisk Two people decide to find the height of an obelisk. They position themselves 25 feet apart in line with,
1. 1 answer
2. asked by Ashli
3. 1,216 views
What is the apparent weight of a lead brick 2.0 in x 2.0 in x 8.0 in if placed in oil with density p=0.93 g/cm^3 (Ppb=11.4
1. 1 answer
2. asked by Shane
3. 1,202 views
I asked this question before but i wrote it wrong. Here it is agian.What is the warmest area in Arizona during the winter time?
1. 10 answers
2. asked by Jman
3. 1,199 views
How much ice is required to cool a 15.0oz drink from 71 F to 34 F, if the heat capacity of the drink is 4.18 J/g*C ? (Assume
1. 3 answers
2. asked by Jack
3. 1,184 views
A one year subscription to the monthly magazine cost $ 15.60. The regular newsstand price is 1.95 per issue. How many is saved
1. 3 answers
2. asked by jazzi
3. 1,165 views
100 employees leave a business that originally included 2000 employees. What percentage of the original number of employees did
1. 1 answer
2. asked by Anonymous
3. 1,117 views
The Banking e-Teller system allows bank customers to perform ATM transactions from their cell or smart phones. BET will allow
1. 0 answers
2. asked by david
3. 1,109 views
A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley
1. 2 answers
2. asked by Adam
3. 1,105 views
Rainier Bros. has 12.0% semiannual coupon bonds outstanding that mature in 10 years. Eachbond is now eligible to be called at a
1. 1 answer
2. asked by Jone
3. 1,102 views
dara has 5 coins in her purse the coins total 40 cents
1. 1 answer
2. asked by Adriana
3. 1,095 views
Tickets to the school musical cost $3 for students and $5 for non students. Total ticket sales were $1790. The number of student
1. 2 answers
2. asked by Kelsey
3. 1,079 views
The metric ton of CO2 product per gallons of gas can be calculated with the following.8.78 x 10-3 metric tons of CO2 are emitted
1. 2 answers
2. asked by Shadow
3. 1,044 views
When can the constellation puppis be seen in the night sky?:) i really need the answer to this ?:) thanks
1. 1 answer
2. asked by korrine
3. 1,034 views
compare the collision of a baseball and bat with the collision of a baseball and a fielder's glove when the baseball is caught.
1. 1 answer
2. asked by Dan
3. 1,032 views
katie is 4 years younger than sylvia. let k represent katie's age and let s represent slyvia's age.
1. 1 answer
2. asked by chloe
3. 1,025 views
I need to translate to an algebraic expression. The product of two numbers multiplied by 3.
1. 2 answers
2. asked by Irene
3. 1,013 views
Read each sentence then write whether the sentence is simple or not simpleMy dog Buddy fetches the paper in the morning Simple
1. 5 answers
2. asked by Jerald
3. 1,013 views
Write a balanced chemical equation for the combustion of trioleylglycerol.The molecular formula is C57H110O6.
1. 1 answer
2. asked by Timofey
3. 1,005 views
A hotair balloonist, rising vertically with a constant speed of 5.00 m/s, releases a sadndbag at the instant the balloon is 40.0
1. 1 answer
2. asked by Kayla
3. 1,002 views
I posted this earlier but I think I phrased it in a confusing wayFind g(x) + g(x) if g(x) = {(-4,5), (-2,-3), (0,5), (1,3),
1. 0 answers
2. asked by Anonymous
3. 979 views
A student proposes to use visible spectroscopy to measure the kinetics of the permanganate/oxalic acid reaction. The initial
1. 1 answer
2. asked by Amy
3. 952 views
From the top of a cliff 150m high, the angles of depression of two boats are 60 and 30. Find the distance between the boats if
1. 1 answer
2. asked by Anonymous
3. 939 views
The algebraic relation d= 0.0056s2 +0.14s models the relation between a vehicle's stopping distance d, in metres and its speed
1. 1 answer
2. asked by Emme
3. 931 views
Which of the following is true with regards to the Navigation Acts by the eighteenth century?A. In general, the colonists
1. 7 answers
2. asked by Jaelyn
3. 926 views
for 2Al2O3----> 4Al(s) + 3O2the question is what is the heat change for the formation of 1 mol of aluminum oxide from its
1. 2 answers
2. asked by sara
3. 926 views
judicial review is the power of the american courts to:
1. 1 answer
2. asked by melissa
3. 924 views
y=3x^2=5x-1how to sole it with partial factoring?
1. 0 answers
2. asked by Riana
3. 922 views
construct a triangle PQR with basePQ = 8.4 cm , angle P = 45 degree and PR - QR = 2.8 cm
1. 1 answer
2. asked by Anonymous
3. 901 views
A GPS satellite orbits at an altitude of 2.0 x 10^7 m and a speed of 3.9 x 10^3 m/s, Earth’s radius is 6.4 x 10^6 m, and a
1. 1 answer
2. asked by Katie
3. 900 views
I have to do a paragraph due Wednesday. Could someone please read it and point out any unclear, vague, or wordy points?Throughou
1. 2 answers
2. asked by Anonymous
3. 899 views
The acceleration of a particle moving along a straight line is inversely proportional to its speed withthe constant of
1. 0 answers
2. asked by Devin
3. 899 views
The admission fee at an amusement park is 1.5 dollars for children and 4 dollars for adults. On a certain day, 372 people
1. 1 answer
2. asked by sss
3. 891 views
2. Value of salary during a job interview. Pam Thompson is offered a salary of $28,000 the company gives annual rises of 6
1. 0 answers
2. asked by tammy
3. 884 views
4. Classify the triangle with angles measuring 69º, 42º, and 69º.6. List all of the quadrilaterals with exactly one pair of
1. 3 answers
2. asked by Jman
3. 851 views
If the perimeter of a square is 3 feet, how many inches long is each side of the square?
1. 1 answer
2. asked by jazzi
3. 851 views
Find the summation,9+16+29+54+103+............nth term
1. 1 answer
2. asked by A.j.nafis
3. 849 views
TO HAC SOLUTION (02M 100ml) we add NaOH (0.12M 80ml)what is the ph (answer: 4.71)
1. 1 answer
2. asked by ben
3. 844 views
Physician performed an aspiration thoracentesis on a patient in observation status in the hospital. The patient has advanced
1. 1 answer
2. asked by Billie
3. 835 views
Marie bought 8 pounds of apples for 0.82 per pound and paid for them with a ten dollar bill. How much should she get back in
1. 1 answer
2. asked by jazzi
3. 829 views
Two wires have the same cross-sectional area and are joined end to end to form a single wire. The first wire has a temperature
1. 0 answers
2. asked by adam h.
3. 827 views
Adding 1.530x10^3 J of electrical energy to a constant-pressure calorimeter changes the water temperature from 20.50C to 21.85C.
1. 1 answer
2. asked by Kayla
3. 821 views
shadow of a goal post is 6m longer when the elevation of the sun is 30° then when it is 60° calculate the hight of the post?
1. 1 answer
2. asked by ikhalea
3. 818 views
Suppose you won a contest at 9th grade start that deposited $3,000 in an account that pays 5% annual interest compounded
1. 0 answers
2. asked by Chencho el chancho choncho
3. 813 views
how to find the pressure exerted by the hydrogen alone?and the volume of dry hydrogen at SATP? i have room temperature=23C room
1. 1 answer
2. asked by Riana
3. 808 views
suppose that the times taken to complete an online test are normally distributed with a mean of 45 minutes and a standard
1. 1 answer
2. asked by Jennifer
3. 806 views
The price was reduced from four thousand ,four hundred ninety six dollars to one thousand ,eight hundred ninety three dollars.
1. 4 answers
2. asked by jazzi
3. 804 views
Frankie's lawn measures 40yd x 36yd he moved 2/3 of the lawn . How many square yards of lawn did he mow? How much is left to
1. 1 answer
2. asked by Anonymous
3. 801 views
A 3-kg stone is dropped from height of 100 m. Find its kinetic and potential energies when it is halfway to the ground.
1. 2 answers
2. asked by Jan
3. 788 views
Which of the following statements regarding the case, McClesky v. Kemp (1987), is TRUE?The Court upheld the constitutionality of
1. 2 answers
2. asked by HI
3. 787 views
The distance from earth to the sun is 1.5x10 to the 11th power minutes and light travels at a speed of 3.0x10 to the 8th power
1. 1 answer
2. asked by Belaune
3. 784 views
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant
1. 0 answers
2. asked by Anonymous
3. 783 views

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