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Questions Asked on June 14, 2015

A pair of fair dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.)(a
1. 1 answer
2. asked by Jay
3. 4,779 views
Log10y+2log10x=2,express y in terms of x
1. 4 answers
2. asked by Shanaya
3. 2,696 views
Four equivalent fraction of 2/3
1. 5 answers
2. asked by kamaksha
3. 2,362 views
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for
1. 1 answer
2. asked by walter
3. 2,186 views
A basic amino acid,arginine,has a molar mass of 174g.mol^-1.it has the following percentage composition:41,38% carbon, 18,39% of
1. 1 answer
2. asked by bob
3. 2,097 views
One advantage of the prismoidal formula is that you can use it toa) calculate precise volumes of all prismoids b)calculate both
1. 2 answers
2. asked by Anonymous
3. 1,695 views
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer=
1. 1 answer
2. asked by steve
3. 1,521 views
What is the purpose of using templates in PowerPoint? A) integrates animation and audio automaticallyB) inserts a consistent
1. 1 answer
2. asked by Carol
3. 1,486 views
CaCO3 2HCl forms CO2 CaCl2 H2O1.calculate the molar mass of calcium chloride produce 2.calculate the number of moles of calcium
1. 3 answers
2. asked by kem
3. 1,341 views
what is the freezing point of a solution that contains 20.2g of urea CO(NH2)2 in 295mL water? Assume a density of water of
1. 1 answer
2. asked by jennifer
3. 1,341 views
What is the hybridization of all the atoms (other than hydrogen) in each of the following species?a) NH3 e) +NH4 i) H3O+ b) BH3
1. 2 answers
2. asked by Michelle
3. 1,278 views
Marie and Pierre Curie coined which term to describe the ability of certain elements to give off radiation spontaneously?Floresc
1. 5 answers
2. asked by I Need Help :/
3. 1,260 views
how many grams of methanol must be added to 5.00kg of water to lower its freezing point to -12.0 degrees C? for each mole of
1. 2 answers
2. asked by jennifer
3. 1,232 views
A stone is dropped from the top of a tall building and at the same time another stone is thrown vertically upward from the
1. 1 answer
2. asked by Aisha naabba
3. 1,215 views
3 resistor in parallel have an equivalent resistance of 1000 ohms. If R2 is twice the value of R3 and trice the value of R1,
1. 2 answers
2. asked by shane
3. 1,158 views
I am a 6 digit number between 600 000 and 700 000.My ones digit and tens digit have no values.One of my digits has a value of
1. 2 answers
2. asked by mark chester
3. 1,138 views
Sharon made a scale drawing of a triangular park. The coordinates for the vertices ofthe park are: (– 10, 5) (15, 5) (10, 12)
1. 1 answer
2. asked by carrie
3. 1,096 views
A point charge 5 micro couloumb is at the centre of a cubical gaussian surface 100cm on edge. Calculate the electric flux
1. 3 answers
2. asked by clement
3. 1,005 views
Write the following as an inequality.6 is greater than y, and 1 is less than why. Use y only once in your inequality.
1. 3 answers
2. asked by Danelle
3. 969 views
Find the number a such that the line x = a divides the region bounded by the curves x = y^2 − 1 and the y-axis into 2 regions
1. 2 answers
2. asked by Anonymous
3. 941 views
A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wanted to determine its precise
1. 2 answers
2. asked by walter
3. 918 views
Magnesium metal reacts with hydrochlroic acid according to following reaction:Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) over
1. 3 answers
2. asked by Rez
3. 842 views
"Stomach acid" is hydrochloric acid. A sample of gastric juice having a volume of 6.68 mL required 13.90 mL of 0.0161 M KOH
1. 1 answer
2. asked by walter
3. 830 views
In a triangle ABC, angle B> angle C. If AM is the bisector of angle A and An is perpendicular to BC. Prove that angle
1. 0 answers
2. asked by AISHA
3. 813 views
During the sequencing of dna into a protein, what is the first step?
1. 1 answer
2. asked by robert
3. 791 views
Janet Jones borrowed $3,000 on 90-day 12 percent note. Janet paid $250 toward the note on day 35. On day 80 she paid an
1. 0 answers
2. asked by Anonymous
3. 773 views
A 12.6 mL sample of vinegar, containing acetic acid, was titrated using 0.542 M NaOH solution. The titration required 24.1 mL of
1. 3 answers
2. asked by walter
3. 767 views
Can someone check if my sentences for my story are written correctly.. (punctuation, word placings. everything..)1. Cette
1. 14 answers
2. asked by Gabs
3. 756 views
Why did most major northeastern cities in the United States develop along the coast?Need help A.S.A.P
1. 4 answers
2. asked by Anonymous
3. 741 views
This Canadian landform covers about half of the country.Need help? confused.
1. 5 answers
2. asked by Sofia
3. 738 views
A researcher measures how positive a person’s mood is and how creative he or she is, obtaining the following interval scores:P
1. 0 answers
2. asked by baegirl
3. 736 views
A researcher finds that the correlation between variable A and variable B is r = 1.20. She also finds that the correlation
1. 1 answer
2. asked by baegirl
3. 711 views
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length)He knows that the average
1. 1 answer
2. asked by Alex
3. 710 views
A given mass of helium(gas)occupies a volume of 3,6m^3 at a pressure of 105 kPa.if the temperature remains constant,calculate
1. 1 answer
2. asked by melissa
3. 690 views
The scores of an achievement test given to 100,000 students are normally distributed with mean 500 and standard deviation
1. 0 answers
2. asked by Biriemi powei
3. 689 views
Fill in the missing words Ionisation energy, water, melting point, electronegativity, non-polar, solvent, pair, boiling points,
1. 2 answers
2. asked by kem
3. 687 views
A cart with a mass is of 6 kg rolls across a level surface. The wheels on the cart make the effects of friction negligible. A
1. 2 answers
2. asked by chuck
3. 676 views
Prove that:sin^2(20).sin^2(40).sin^2(80)=3/2
1. 3 answers
2. asked by Nothando Tiah
3. 675 views
148 mL of 0.325 M MgCl2 is mixed with 68.7 mL of 0.388 M NaOH and allowed to react completely. how many grams of Mg(OH)2 will
1. 1 answer
2. asked by walter
3. 675 views
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A)
1. 1 answer
2. asked by lesedi
3. 622 views
'24.6 mL of 0.488 M NaCl is added to 24.6 mL of 0.312 M AgNO3. How many moles of AgCl would precipitate? What would be the
1. 1 answer
2. asked by walter
3. 615 views
mixture is prepared by adding 27.0 mL of 0.169 M Na3PO4 to 35.1 mL of 0.234 M Ca(NO3)2.(a) What mass of Ca3(PO4)2 will be
1. 1 answer
2. asked by walter
3. 611 views
Which liquid has the lowest boiling point and why?
1. 1 answer
2. asked by Anonymous
3. 604 views
A point charge 5 micro couloumb is at the centre of a cubical gaussian surface 100cm on edge. Calculate the electric flux
1. 1 answer
2. asked by clement
3. 589 views
Lentz's Incorporated sells paper in a perfectly competitive market at a price of $2 per ream. At the profit-maximizing
1. 0 answers
2. asked by Krishae
3. 583 views
You have four point charges 2q, q, -q and -2q. If possible, describe how you would place at least the charge 2q (and perhaps
1. 0 answers
2. asked by clement
3. 574 views
how much faster does krypton diffuse than bromine under the same conditions of temperature and pressure?
1. 1 answer
2. asked by nyakno
3. 572 views
Please check my sentences for anything wrong to help me fix them. Thanks.1.) Cette semaine je suis allé le camping. (This week,
1. 2 answers
2. asked by Gabs
3. 568 views
Recent service delivery xenophobia in the community or in the neighbourhood
1. 2 answers
2. asked by Tumelo
3. 558 views
for a normal curve what percentage of values falls beyond two standard deviations from the mean
1. 1 answer
2. asked by Jonah
3. 555 views
A bank manager advises all of his loan officers that the average cost of funds for the bank over the past year has been 6%. The
1. 0 answers
2. asked by Krishae
3. 552 views
Compute the electric field about a uniformly charged plane sheet using gauss law.
1. 1 answer
2. asked by clement
3. 520 views
You have four point charges 2q, q, -q and -2q. If possible, describe how you would place at least the charge 2q (and perhaps
1. 1 answer
2. asked by clement
3. 518 views
Assume that you own a lake house. Unfortunately your job will require that you spend the summer on the road and you won’t be
1. 1 answer
2. asked by Krishae
3. 513 views
Compute the electric field about a uniformly charged plane sheet using gauss law.
1. 1 answer
2. asked by clement
3. 509 views
An object 4.2 feet tall casts a shadow that is 12.6 feet long. How long in feet would the shadow be for an object which is 20.4
1. 1 answer
2. asked by lizzy
3. 490 views
anyone by any chance know what it means for a protein to be "n-terminally truncated"? I know that the n-terminus is supposed to
1. 1 answer
2. asked by Kevin
3. 489 views
how many times less is six in the tens place than six in the millions place in in the number 36432463
1. 1 answer
2. asked by ella
3. 486 views
what are the costs and consequences of providing the subsidies and welfare
1. 1 answer
2. asked by KWANDOKUHLE
3. 484 views
Are there any current subsidy or walfare issues that are being discussed or addressed in parlement or in municipalities
1. 1 answer
2. asked by Kenalemang Mohale
3. 477 views
2|3x-5|-8=8
1. 2 answers
2. asked by wALDEN
3. 455 views
Can what happened with Hurricane Katrina be prevented from happening again or is it an inherent consequence of shared power?
1. 1 answer
2. asked by Anonymous
3. 439 views
Maxine's Cookie Shop sells chocolate chip cookies in a perfectly competitive market for $2 per dozen. Maxine currently produces
1. 0 answers
2. asked by Krishae
3. 433 views
When you change the dna code to mRNA, will A become U or T?
1. 1 answer
2. asked by Ryan
3. 427 views
An hour has 60 minutes .How many minutes are there in 5/6 of an hour
1. 1 answer
2. asked by Rahul kumar
3. 426 views
find the intrinsic concentration, ni for silicon at 300k.given that Eg =1.12V Ao=5.85×10^5 q=1.6×10^-19C K=1.38×10^23J/K.
1. 0 answers
2. asked by angel
3. 425 views
what was the cause of the velvet revolution?
1. 5 answers
2. asked by Anonymous
3. 401 views
When you change the dna code to mRNA, will A become U or T?
1. 0 answers
2. asked by John
3. 385 views
How many four digit numbers use the digit 7 two or more times?
1. 0 answers
2. asked by Jason
3. 329 views
What factors affect the maximum height that a rocket can reach when launched vertically?
1. 0 answers
2. asked by Anonymous
3. 303 views

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