Homework answers and tutorials

Waiting for answer What is the time in New York City when it is noon in Denver?
2 PM Between East Coast and West Coast, there are four time zones, with 1 hour spacing, for the local standard times.. New York is in the east. Denver of Colorado is in the western...
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Waiting for answer How do you solve the right triangle ABC if A=80 Degrees, B=...
##b=1.76## ##c=10.15## Using your data we can plot the following triangle: Using trigonometry we have: ##b/a=tan(10^o)## with ##a=10## ##b=1.76## Also: ##a=c*cos(10^o)## ##c=10.15##...
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Waiting for answer What are autosomes called?
Autosomes present in all cells of the organisms. they control somatic characteristics of an organism In human diploid cell 44 chromosomes are autosomes the rest two are sex chromosomes
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Waiting for answer How do you calculate the number of valence electrons in a mo...
The number of for molecules can be calculated by adding the of all the atoms that form that respective molecule. Here are some examples ##CO_2##: Each carbon dioxide molecule is formed from 1 C atom and 2 O atoms. We know that C has 4 and that O has 6 valence electrons, which means that t...
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Waiting for answer Which states benefited from the threefifths compromise?
I would like to add that this compromise gave the South much more political power and changed history. For instance, in the Election of 1800, Thomas Jefferson defeated incumbent John Adams, but had there been no ThreeFifths Compromise, Adams would have won the election. Not only did the compromise...
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Waiting for answer What causes a nova explosion?
When a star suddenly flare up for short period it is called NOVA.. Some stars are binaries. they rotate at common center of mass. When one become red giant the size increases and the...
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Waiting for answer How do you Calculate the mass in grams of NH4Cl that must be...
##"36.2 g NH"_4"Cl"## Adding ammonium chloride, ##"NH"_4"Cl"##, to an ammonia solution will effectively create a that contains ammonia, a weak base, and the ammonium ion, ##"NH"_4^(...
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Waiting for answer How do you verify ##(1+cos2x)/(sin2x) = cotx##?
Since ##cos2x=cos^2xsin^2x=12sin^2x=2cos^2x1## and ##sin2x=2sinxcosx## then: ##(1+2cos^2x1)/(2sinxcosx)=cotxrArr## ##(2cos^2x)/(2sinxcosx)=cotxrArr## ##cosx/sinx=cotxrArr## ##cotx=cotx##.
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Waiting for answer How do you write the prime factorization of 110?
Prime factors of 110 ## 2,5,11## Good idea if you can to memorise the prime factors up to 101.
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Waiting for answer Is 0/5 undefined slope or zero slope?
Zero Zero property of division states that zero divided by any number is equal to zero. ##0/n = 0## A zero means a horizontal line. The ##y##coordinate does not change no matter...
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Waiting for answer The hypotenuse of a right triangle is 13 cm. One of the legs...
Draw a diagram to represent the question: Assuming x represents the length of the first side. Use to solve: ##a^2## + ##b^2## = ##c^2## ##x^2## + ##(x + 7)^2## = ##13^2## ##x^2...
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Waiting for answer How do you solve ##x(x7)=0##?
##x=0## or ##x=7## The format of this queston is already in factored form. This makes it quite easy to solve for ##x##. They key to this is to know that anything multiplied by ##0##...
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Waiting for answer Who was A. Mitchell Palmer? What groups of people did he tar...
A. Mitchell Palmer was a former U.S. Attorney General who rounded up thousands of people that he believed were part of a Bolshevik conspiracy to overthrow the federal government. Ale...
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Waiting for answer Why does the independent variable go on the x axis?
Because it is an easy convention. It is NOT required. Often the independent variable is time, and we tend to visualize the "time line" from left to right. The independent variable...
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Waiting for answer When should you use dreamed vs dreamt?
There is no difference Both are considered correct Both function as the tense and past participle of the verb dream The only difference is: 'dreamed' is preferred in all main va...
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Waiting for answer What is the conjugate base of h2so4?
##H_2SO_4## sulfuric acid will donate an ##H^+## in solution to form ##H_3O^+## hydronium. The remaining ##HSO_4^## would be the conjugate base of this dissociation. I hope this was helpful. SMARTERTEACHER
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Waiting for answer Which planet is one tenth of a distance uranus is from the s...
Mars' distance from is ##1/12.6## X the distance of Uranus from the Sun. The distances of Mars and Uranus from the Sun are 1.526 and 19,183 times the distance of from the Sun.
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Waiting for answer What is the closest planet to the sun?
Mercury That little planet over there is mercury. Mercury is a rocky planet and closest to .http://pinegreenwoods.blogspot.com/2015/01/montessoriastronomysolarsystemmars_27.html...
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Waiting for answer The weight of a diamond is given in carats. One carat is equ...
##1xx10^22"atoms C"## are in a 1.00 carat diamond. Convert 200 mg to g. ##"1000 mg=1 g"## ##200cancel"mg"xx(1"g")/(1000cancel"mg")="0.2 g"## Convert carats to grams to moles. #...
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Waiting for answer Where did the Second Continental Congress first meet in?
The Continental Congress first met in Philadelphia PA.
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