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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
5 answers
asked by
savannah
6,878 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,
2 answers
asked by
Jessica
6,352 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
2 answers
asked by
Rose
5,289 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
2 answers
asked by
Audrey
4,680 views
A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include
2 answers
asked by
yvonne
3,992 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
2 answers
asked by
mzb
3,951 views
A jar contains 24 blue marbles, 16 red marbles, and 14 white marbles. Find the simplified ratio of total marbles to red marbles.
11 answers
asked by
Bell
3,733 views
How do Miss Prism and Chasuble contribute to the overall themes and development of the play?
0 answers
asked by
Chase
3,685 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
13 answers
asked by
katie
3,627 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 answer
asked by
Anonymous
3,594 views
I have 13 ones and 4 tens. Who am I
5 answers
asked by
denise
3,525 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 answer
asked by
Lawrence
3,338 views
What elements of the Restoration comedy are seen in The Importance of Being Earnest?
4 answers
asked by
Jason
3,157 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.
2 answers
asked by
Abi
3,080 views
An aircraft flying at a steady velocity of 70m/s eastwards at height of 800m drops a package of supplies
a)express the initial
6 answers
asked by
Minte
2,983 views
Formula: 2LiOH + CO2 yields Li2CO3 +H2O
Suppose a lithium hydroxide canister contains 155grams of LiOH. What mass of CO2 will the
3 answers
asked by
Liem
2,953 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 answer
asked by
Eddie
2,749 views
benzene ring-N-H-CH3
H \ N-benzene ring / CH3 select the class of compound from the choice below. 1-acetal 2-alcohol 3-alkene
1 answer
asked by
centya
2,267 views
An antacid tablet containing calcium carbonate as an active ingredient required 9.19 mL of 0.0956 M H2SO4 for complete
1 answer
asked by
ATS
2,249 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 answer
asked by
Robert
2,224 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 answer
asked by
Jeremy
2,217 views
Thyroxine, an important hormone that controls the rate of metabolism in the body can be isolated from the thyroid gland. If
1 answer
asked by
Emma
2,125 views
Again i wrote the question wrong.
4. Classify the triangle with angles measuring 69º, 42º, and 69º. A. right B. equilateral C.
5 answers
asked by
Jman
2,105 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
6 answers
asked by
Moby
1,994 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 answer
asked by
Anonymous
1,948 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)
2 answers
asked by
chris
1,934 views
What is the significance of the repetition of the word absurd in the play?
5 answers
asked by
Tyler
1,924 views
6. Each of the following words has the suffix -ed. Which word is spelled correctly?
A. Plotted B. Preenned C. Duckked D. Cleanned
4 answers
asked by
Hennessey
1,911 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
3 answers
asked by
Ashley
1,845 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
4 answers
asked by
jazzi
1,832 views
How do scientists calibrate a molecular clock? A)They determine the number of mutations accumulated in a gene of a species of
7 answers
asked by
Corie
1,754 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 answer
asked by
Kayla
1,625 views
Glenda bought z containers of laundry detergent at $9 each.
She gave the cashier $50. a. Find the change Glenda received in terms
5 answers
asked by
Alex
1,507 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
4 answers
asked by
Corie
1,432 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%
2 answers
asked by
Anonymous
1,387 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
2 answers
asked by
Kayla
1,356 views
The stadium capacity allows for players, radio and newspaper reporters, and stadium workers in addition to spectators. How many
2 answers
asked by
Anonymous
1,355 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 answer
asked by
Anna
1,354 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 answer
asked by
Anonymous
1,337 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 answer
asked by
Brittany
1,292 views
Which of the following is an independent clause?
Where Juan lived. Because Juan was brave. Juan's favorite adventure. Juan
3 answers
asked by
Anonymous
1,285 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 answer
asked by
jazzi
1,280 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
3 answers
asked by
Ellie
1,277 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 answer
asked by
Student
1,246 views
Sterling Browns Riverbank Blues. Who do you think Brown wrote this for and who was the audience?
1 answer
asked by
Emi
1,243 views
Which of the following statements is not true about samples that can be treated as matched pairs data?
I. Data collected on these
0 answers
asked by
Meep.
1,233 views
Which of the following ratios are NOT equivalent to four eighths ? (Hint: There is more than one that is not equivalent.)
9 answers
asked by
Bell
1,225 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 answer
asked by
jazzi
1,216 views
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard
1 answer
asked by
Jessica
1,212 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 answer
asked by
Ashli
1,207 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 answer
asked by
Shane
1,196 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?
10 answers
asked by
Jman
1,188 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
3 answers
asked by
Jack
1,178 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
3 answers
asked by
jazzi
1,153 views
100 employees leave a business that originally included 2000 employees. What percentage of the original number of employees did
1 answer
asked by
Anonymous
1,103 views
The Banking e-Teller system allows bank customers to perform ATM transactions from their cell or smart phones. BET will allow
0 answers
asked by
david
1,098 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
2 answers
asked by
Adam
1,093 views
Rainier Bros. has 12.0% semiannual coupon bonds outstanding that mature in 10 years. Each
bond is now eligible to be called at a
1 answer
asked by
Jone
1,089 views
dara has 5 coins in her purse the coins total 40 cents
1 answer
asked by
Adriana
1,083 views
Tickets to the school musical cost $3 for students and $5 for non students. Total ticket sales were $1790. The number of student
2 answers
asked by
Kelsey
1,065 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
2 answers
asked by
Shadow
1,037 views
When can the constellation puppis be seen in the night sky?:) i really need the answer to this ?:) thanks
1 answer
asked by
korrine
1,030 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 answer
asked by
Dan
1,018 views
katie is 4 years younger than sylvia. let k represent katie's age and let s represent slyvia's age.
1 answer
asked by
chloe
1,006 views
I need to translate to an algebraic expression. The product of two numbers multiplied by 3.
2 answers
asked by
Irene
1,000 views
Write a balanced chemical equation for the combustion of trioleylglycerol.
The molecular formula is C57H110O6.
1 answer
asked by
Timofey
997 views
Read each sentence then write whether the sentence is simple or not simple
My dog Buddy fetches the paper in the morning Simple
5 answers
asked by
Jerald
996 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 answer
asked by
Kayla
989 views
I posted this earlier but I think I phrased it in a confusing way
Find g(x) + g(x) if g(x) = {(-4,5), (-2,-3), (0,5), (1,3),
0 answers
asked by
Anonymous
968 views
A student proposes to use visible spectroscopy to measure the kinetics of the permanganate/oxalic acid reaction. The initial
1 answer
asked by
Amy
942 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 answer
asked by
Anonymous
923 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 answer
asked by
Emme
919 views
judicial review is the power of the american courts to:
1 answer
asked by
melissa
916 views
y=3x^2=5x-1
how to sole it with partial factoring?
0 answers
asked by
Riana
914 views
Which of the following is true with regards to the Navigation Acts by the eighteenth century?
A. In general, the colonists
7 answers
asked by
Jaelyn
912 views
for 2Al2O3----> 4Al(s) + 3O2
the question is what is the heat change for the formation of 1 mol of aluminum oxide from its
2 answers
asked by
sara
911 views
construct a triangle PQR with base
PQ = 8.4 cm , angle P = 45 degree and PR - QR = 2.8 cm
1 answer
asked by
Anonymous
894 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 answer
asked by
Katie
892 views
I have to do a paragraph due Wednesday. Could someone please read it and point out any unclear, vague, or wordy points?
Throughou
2 answers
asked by
Anonymous
890 views
The acceleration of a particle moving along a straight line is inversely proportional to its speed with
the constant of
0 answers
asked by
Devin
889 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 answer
asked by
sss
882 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
0 answers
asked by
tammy
875 views
Find the summation,
9+16+29+54+103+............nth term
1 answer
asked by
A.j.nafis
842 views
If the perimeter of a square is 3 feet, how many inches long is each side of the square?
1 answer
asked by
jazzi
842 views
4. Classify the triangle with angles measuring 69º, 42º, and 69º.
6. List all of the quadrilaterals with exactly one pair of
3 answers
asked by
Jman
841 views
TO HAC SOLUTION (02M 100ml) we add NaOH (0.12M 80ml)
what is the ph (answer: 4.71)
1 answer
asked by
ben
838 views
Physician performed an aspiration thoracentesis on a patient in observation status in the hospital. The patient has advanced
1 answer
asked by
Billie
822 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 answer
asked by
jazzi
818 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
0 answers
asked by
adam h.
814 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 answer
asked by
Kayla
812 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 answer
asked by
ikhalea
811 views
Suppose you won a contest at 9th grade start that deposited $3,000 in an account that pays 5% annual interest compounded
0 answers
asked by
Chencho el chancho choncho
803 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 answer
asked by
Riana
800 views
suppose that the times taken to complete an online test are normally distributed with a mean of 45 minutes and a standard
1 answer
asked by
Jennifer
797 views
The price was reduced from four thousand ,four hundred ninety six dollars to one thousand ,eight hundred ninety three dollars.
4 answers
asked by
jazzi
791 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 answer
asked by
Anonymous
788 views
Which of the following statements regarding the case, McClesky v. Kemp (1987), is TRUE?
The Court upheld the constitutionality of
2 answers
asked by
HI
774 views
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant
0 answers
asked by
Anonymous
773 views
Two particles are fixed along a straight line, separated by a distance 6.0 cm. The left one has a charge +2.0 nC and the right
1 answer
asked by
John
772 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 answer
asked by
Belaune
771 views
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