Homework answers and tutorials

Waiting for answer The perimeter of a rectangle is 36 meters. The length of the...
Length ##11m## and width ##7m##. The step by step explanation on working is given below. Perimeter of rectangle is given by the formula ##P=2(l+w)## From the information we use ##P...
$10.00 
Waiting for answer Why is production possibility curve NOT a straight line?
Because of increasing MRS (marginal rate of substitution). As more unit of good 1 is produced,there will be a decrease in the production of good 2(This is the theory of MRS). Only w...
$10.00 
Waiting for answer How would one define sectionalism?
Sectionalism is when one puts his/her region or section's interests and principles above the nation or surrounding regions. Nationalism is the opposite, the belief that the nation's...
$10.00 
Waiting for answer How many elements are there?
Nobody knows. We have discovered 118 , but there are probably more kicking around out there. However, the reason we haven't found them yet is that they're incredibly heavy, and incredibly unstable. As yet, there is no easy way to create them.
$10.00 
Waiting for answer Got these wrong on a Net Ionic Equation test. What's correct...
"4. The greater part of ##H_2CO_3## will disintegrate according to: ##H_2CO_3 H_2O+CO_2(g)##
$10.00 
Waiting for answer What are examples of anagrams?
An anagram is a group of letters which when reorganised spell a word. Before being reorganised the letters can be just a jumble or they can spell another word or words. A very simp...
$10.00 
Waiting for answer What is a heart murmur? What are some common reasons that he...
Heart Murmur is an abnormal heart sound during heartbeat cycle. Pregnancy and abnormalities of heart valves are common reasons. Doctors listen to heart sounds by stethoscope. Norm...
$10.00 
Waiting for answer What are the 2 isomers of 2bromobutane?
1bromo2methylpropane and 2bromo2methylpropane When a molecule has an isomer, it means there is another molecule with the same atoms, but different arrangements. 2bromobutane...
$10.00 
Waiting for answer What is the difference between fermentation and budding ?
Fermentation is a metabolic pathway that happens inside the cell to generate energy under anaerobic conditions. Budding is a form of in some microorganisms like yeast where a small bud of the original cell emerges, just like the bud of the plant, and then it grows and detached from the mother cell...
$10.00 
Waiting for answer What is sin(x) times sin(x)?
##sin(x)xxsin(x) = sin^2(x)## There are other answers, for example, since ##sin^2(x)+cos^2(x) = 1## you could write ##sin(x)xxsin(x) = 1cos^2(x)## (but that's not much of a simplification)
$10.00 
Waiting for answer What are guyots and atolls?
Atoll: A ringshaped coral reef including a coral rim that encircles a lagoon, there may be coral islands on the rim. It usually exists on top of an extinct volcanoes. Guoyts: are flattopped seamounts located in several hundred to several thousand meters underwater. They usually are former volcan...
$10.00 
Waiting for answer Which characteristics of living things does a car have? How...
All living things have the ability to excrete , locomotive(movement) abilities, require food, reproduce grow and are sensitive. Cars have the ability to move, excrete and require fuel for energy....
$10.00 
Waiting for answer How do you graph ##y=3x4## using a table of values?
The values beside x will be plotted in the xaxis, and the values beside y will be plotted in the yaxis. The values beside x will be plotted in the xaxis, and the values beside y...
$10.00 
Waiting for answer How do you find the volume of a pyramid using integrals?
Let us find the volume of a pyramid of height ##h## with a ##b\times b## square base. If ##y## is the vertical distance from the top of the pyramid, then the square crosssectional area ##A(y)## can be expressed as ##A(y)=(b/hy)^2=b^2/h^2y^2##. So, the volume ##V## can be found by the integral...
$10.00 
Waiting for answer Why does (or "do"?) Barium Oxide + Sulfuric Acid yield Ozone...
Here's what I got. Ok, now this is a very interesting question. First thing first, the reaction involves barium peroxide, ##"BaO"_2##, not barium oxide, which is ##"BaO"##. Now...
$10.00 
Waiting for answer What proper nouns words start with "x"?
Xerxes, Xavier, Xiantao, Xalapa, and Xcel are all proper starting with "x". Of course, the ones listed above are not all of the proper nouns starting with "x", but they should help...
$10.00 
Waiting for answer How do you calculate the atomic mass of carbon?
The term "" refers to the mass of a single atom. The mass of a single atom of carbon12 is defined as exactly 12 u. The term atomic mass is also often used (though technically, incorrectly) to refer to the average atomic mass of all of the of an element. This second definition is actually the r...
$10.00 
Waiting for answer How do you find the domain and range of a natural log?
Hello, The natural logarithm, also called neperian logarithm, is noted ##ln##. The is ##D=]0,+\infty[## because ##\ln(x)## exists if and only if ##x 0##. The is ##I=RR = ]oo,+oo[## because ##ln## is strictly croissant and ##\lim_{x\tooo} ln(x) = 0## and ##\lim_{x\to+oo} ln(x) = +oo##. graph{...
$10.00 
Waiting for answer How to find the moment of inertia of a solid cylinder about...
It needs to be done in three steps. 1. Stating of a infinitesimally thin Disk. 2. Application of Perpendicular Axis and Parallel axis Theorems. 3. Integrating over the length of the cylinder. But first of all let's state the problem....
$10.00 
Waiting for answer What layer is between the oceanic crust and the asthenospher...
Not much, but it is not as simple as it may seem. What you call the Crust, and is generally referred to as Lithosphere, includes the top part of the Earth's Mantle. The Asthenosphere...
$10.00