Homework answers and tutorials

Waiting for answer How do you find the average rate of change of a function ove...
The average , f(x), over the closed interval [a, b] is given by ##(f(b)  f(a))/(b  a)## For example, to find the average rate of change of ##f(x) = x^2+3## on the closed interval [1, 3] you need to evaluate ##(f(3)  f(1))/(3  1) = (12  4)/2 = 8/2 = 4## Again, graphically, this is the s...
$10.00 
Waiting for answer How did the middle colonies get their name?
The Middle Colonies got their name because they were in the middle of the New England colonies and the Southern Colonies. Here is a map of the colonies. As you can see in this ima...
$10.00 
Waiting for answer A point on the terminal side of an angle theta is given to b...
##cos x = x = 1/4## ##sin x = y = 1/6## ##tan c = sin x/cos x = 6/4 = 3/2## ##cot x = 2/3 ## sec x = 4 csc x = 6
$10.00 
Waiting for answer What are the oxidation numbers of the elements in the nitrit...
The nitrite ion is ##NO_2^(1)## To determine the oxidation value of each element there are a few basic rules that we can use a a starting point. by themselves are 0 Alkai Metals (Na, K, …) are +1 Alkaline Earth Metals (Mg Ca…) are +2 Oxygen is always 2 Since the oxygen in the nitrite ion...
$10.00 
Waiting for answer How do you solve ## x+4+3=17##?
x = 10 and ##18##. ##x+4=173=14## This is the combined form for the two separate equations x + 4 = 14 and ##(x+4)=14##. So, x = 10 and x = ##18##.
$10.00 
Waiting for answer How would you convert a repeating decimal like 1.27 or 0.6 i...
The examples in your question are not examples of repeating decimals. A repeating decimal is one in which the same number is repeated infinitely. An example would be ##0.666...##, also written as ##0.bar6##, or ##0.0909...##, also written as ##0.bar09##. ##1.27=1 (27)/(100)## ##0.6=6/10=3/5##
$10.00 
Waiting for answer Angie and her friends ate ##3/4## of a pizza. Her brother Jo...
Joe ate ##1/6## of the original pizza The whole pizza is the unit ##1## Angie and her friends ate ##3/4## of the pizza, then they left: ##13/4=(43)/4=1/4## Joe ate the ##2/3##...
$10.00 
Waiting for answer Which future president led the Rough Riders during the Spani...
Theodore (Teddy) Roosevelt was head of the Rough Riders during .
$10.00 
Waiting for answer What does lead(ii) oxide mean?
(Not exactly sure what your question means, but I hope that this answers it. I think that you are asking about the ionic formula for lead(ii) oxide?) A Lead(ii) ion means that the ion is ##Pb^(2+)## with a 2+ charge. (and when you see lead(iv), it has a ##Pb^(4+)## ion) The equation: ##Pb^(2...
$10.00 
Waiting for answer What is the color of White blood cells?
None This cell is colorless or translucent, they have granule like materials that's why they appear to be white and also with the use of eosin (an acidic staining material), they ma...
$10.00 
Waiting for answer Why does Mercury have only a thin atmosphere?
Solar Wind Mercury is the closest planet to and therefore receives the greatest amount of solar wind of any planet. The force of the solar wind strips away almost all of the atmosp...
$10.00 
Waiting for answer How do you calculate the formal charge of O3?
The formal charge of the ozone molecule is zero. Its Lewis structures do present charge separation. With simple considerations, there are 18 to distribute around the 3 oxygen atom...
$10.00 
Waiting for answer What is the square root of 89?
The square root of ##89## is a number which when squared gives ##89##. ##sqrt(89) ~~ 9.434## Since ##89## is prime, ##sqrt(89)## cannot be simplified. You can approximate it using...
$10.00 
Waiting for answer What was the Social Gospel movement?
An american religious socialreform movement. The social gospel movement was an american religious socialreform movement during the second half of the nineteenth century. They argu...
$10.00 
Waiting for answer How do you find the relative extrema for ##f(x) =2x 3x^(2/3...
Find and test the critical numbers for ##f##. ##f(x) =2x 3x^(2/3) +2## Critical numbers for ##f## are values for ##x## that are: In the domain of ##f##, and at which ##f'(x) = 0## or ##f'(x)## does not exist. (This is a wonderful example of why you cannot ignore the second kind of crit...
$10.00 
Waiting for answer Are the jugular vein and carotid artery present on both side...
There are jugular vein and carotid artery on both side of the neck. We have four jugular veins, two in each side of the neck. These are called: 1. right internal jugular vein 2. righ...
$10.00 
Waiting for answer How is the formation of coal, oil and natural gas similar an...
Do a Socratic search for a similar question, "How does the formation of coal differ from that of natural gas and oil?" which has already been answered. Similarities: they are both f...
$10.00 
Waiting for answer What is the acronym for the electromagnetic spectrum and how...
The electromagnetic spectrum, in terms of increasing frequency is: Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, XRays, Gamma Rays Thus, plausible acronyms would involve either RMIVUXG or GXUVIMR, if you wanted to go from increasing wavelength. Mnemonics are the lit...
$10.00 
Waiting for answer How many quarts are in 12 cups?
##3## quarts Using the information, ##1## cup ##= 0.25## quarts, we can use or a conversion factor to find the number of quarts in 12 cups. Start by expressing ##x## as your unknow...
$10.00 
Waiting for answer Your blood has a density of 1.05 g/mL. How many grams of blo...
You would lose 497 g of blood. First you have to convert 1.00 pint to millilitres. A US pint is different from an Imperial pint. Also, a "pint" of blood is about 450 mL. I will assume that you are using US pints. Then ##"1.00 pint" × "473.2 mL"/"1 pint" = "473.2 mL"## Here's how you . For your...
$10.00