bobby

This page lists questions and answers that were posted by visitors named bobby.

Questions

The following questions were asked by visitors named bobby.

Why is that carbon can form an infinite number of molecules? http://web.jjay.cuny.edu/~acarpi/NSC/10-organic.htm http://www.scienceclarified.com/everyday/Real-Life-Chemistry-Vol-2/Carbon.html http://biology.clc.uc.edu/courses/bio104/carbon.htm
19 years ago
how do i complete and balnces theses reactions???? CH3-CH2-CH3 (g) + Br2 (l) --> like how in the world????? do i do this? lol aint got a clue wish i would have listened at school now. Alkanes usually react with a halogen to form one of several halides. Th...
19 years ago
how would i the sturctural formula look for this one: dimethyl-propane: my guess that it would be like so: CH3 l CH2 l C-CH2-CH3 l CH2 l CH3 Is this right? Please visit the following: http://images.google.com/images?hl=en&safe=off&as_qdr=all&sa=N&resnum=0...
19 years ago
can someone help me? okay so I am given this : (a) y= x-4 (b) y=2-x I have to graph this manually and find the intersection. okay so I know how to graphi it right with this formula: y=mx+b okay but is the slope how can you tell and what number is the y in...
19 years ago
how long does arthritis last?? For the rest of a person's life. http://www.google.com/search?q=arthritis&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA There is never a need to post a question seven times in four minutes....
18 years ago
if the percent was 56 what would the fraction value be and the decimal value Please read my previous answer to "kate" http://www.jiskha.com/display.cgi?id=1173141658
18 years ago
A yo-yo is spun from rest by pulling on the string with a constant tension of 2.0 N. The radius of the inner rod on which the string is strung around is 0.50 cm. The tension is applied for 5.0 seconds after which the yo-yo is observed to spin with an angu...
18 years ago
Another Question---- A ball of clay of mass m travels with a velocity v in a path tangent to a disk of radius R and mass M. The clay collides with the disk tangentially to its outer rim (a totally inelastic collision) and the clay and disk begin to spin a...
18 years ago
what is cellular respiration
17 years ago
In cattle, the gene pair for red (RR) or white (WW) coat color shows an absence of dominance. Heterozygotes (RW) have a roan coat. Outline a breeding procedure to establish apure breeding herd of red cattle from a roan bull and white cow. A cattle breed w...
17 years ago
Why was public humiliation felt to be more severe than imprisonment in the Puritan community? ANY HELp WOULD BE GREAT! THANK YOU
17 years ago
what do you call a person who spent 20 years in the 24th row in the theatre?
17 years ago
what do you call it when somebody spens 20 years in the 24th row of a theater?
17 years ago
explain how the physiological process of movement differs among bacteria, grasshoppers, fish, bears.
17 years ago
THERE ARE THREE SOURCES OF RESISTANCE IN A PARALLEL CIRCUIT,S . TWO OF THEM ARE RATED AT 20 OHMS THE OTHER AT 10 OHMS WHAT IS THE CIRCUIT,S TOTAL RESISTANCE.
17 years ago
In general, populations have the ability to increase exponentially, but why do you think that most populations are fairly constant in size?
17 years ago
Is there scientific evidence for man made global warming? For yes or no, please indicate links. Thanks!
17 years ago
What are plasmids and how do they aid scientists as a biotechnology tool?
17 years ago
There are many drugs that aid our lives on a daily basis that are made/mass produced due to the assistance of bacteria. Can you give a few examples of such drugs and perhaps tell a little about the process?
17 years ago
you have 15 yards of ribbon for your gift boxes. each box gets the same amount of ribbon how much ribbon will each of your 20 gift boxes get?
17 years ago
a group of similar cells that work together to do one job
17 years ago
P(n,5)=20P(n,3) Solve for n
17 years ago
Find the term not involving y in the expansion of (1 + y2)^5 y^3
17 years ago
for the expression (k+t)^22. what are the first 4 terms i the expressio without using coeffiecients
17 years ago
(k+t)^22. wat ar the coeffiecient of the firt three terms
17 years ago
Find two numbers whose sum is 10 for which the sum of their squares is a minimum.
16 years ago
What can be added to the microsoft surfaace computer to make it better.
16 years ago
Solve for x 1. log5 X=3 2. Log2 16-log2 =x 3. Log9 6561=x
16 years ago
1. What are some similarities and differences between who is considered a friend in a Spanish- speaking country and in the United States?
16 years ago
Design an array of individual solar cells that woulproduce 120 volts DC. About how large an area of solar cells would be needed to produce 2 kWe of/ output power at noon on a clear day
16 years ago
How many sodium ions in .00 mol of NaCl?
16 years ago
A small drop of water assumes an almost spherical form on a Teflon TM surface. Explain why.
16 years ago
Two conductors are made of the same material and have the same length. They each have circular cross sectional areas. The ratio of their radii is 2:1. they carry the same current. What is the ratio of the electrical potential across their lengths? i know...
16 years ago
How is colloid distinguished from a solution or a suspension?
16 years ago
How can distillation be used to prepare pure water from tap water?
16 years ago
what type of magma flows very quickly
15 years ago
is 1 nm is equal to 0.000000001? how would you write 0.15 nm in standard form? how would you write 565 nm in normal numbers? how would you write 590 nm in normal numbers? thanks
15 years ago
sorry for reposting but i need an answer how would you write 565 nm as a decimal how would you write 590 nm as a decimal
15 years ago
Convert --→ 4.2 g = ______ kg.
15 years ago
4(w-3)=-12, Help Please.
15 years ago
Assuming that 1 gram of aspirin dissolves in 450 ml of water at 10°C, how much aspirin would be lost in 40 ml of water added to the reaction mixture if the mixture were at 10 °C during filtration?
15 years ago
consider an electron near the equator. in which direction does it tend to deflect by the magnetic field of the earth if its velocity is directed a.northward
15 years ago
With illustrations, show how the study of business economics helps a business manager in decision making?
14 years ago
How many moles of negative ions are in 33.7 g of AlF3?
14 years ago
unscramble the country sdettaietnsu
14 years ago
write the converse and contrapositive for the conditional statement below. decide whether each of the three statements is true or false. provide a counterexample for any false statement. If n is a prime number, then n+1 is an even number
14 years ago
a Farmer want to put up a fence with a total perimeter of 250 ft. It is the shape of a rectangle but there is a river on one side. What is the maximum area of feet that the fence can be?
14 years ago
using 4 fives, with any signs( +, -, /, x, etc.) sum to 24.
14 years ago
Annual profit in thousands of dollars is given by the function, P(x) = -.01x2 + 50x + 30,000, where x is the number of items sold, x ¡Ý 0. 1.describe the meaning of the number -.01 in the formula
14 years ago
Determine the pressure when it expands to 10 liters, from a 5 liter ballon at 1 atm and 150k.
14 years ago
a)Estimate how long it takes for the cold air to fall out when you open the door of your refrigerator. For simplicity, assume your fridge is a cube of height 1 meter, and that the cold air inside is 5% denser than the warm air outside. Imagine that you re...
14 years ago
Suppose it takes 35 min for 4.0 g of sugar to completely react with another reagent added to the flask. What would the reaction rate be?
14 years ago
If f(x) is odd and the integral from -3 to 7 of f(x) dx is 11, then the integral from 3 to 7 of f(x) dx is __
13 years ago
the pressure (p) that a 160-pound person's shoe exerts on the ground when walking varies inversely with area (a) of the sole of the shoe. when the shoes have a sole area of 40 sq. in., the pressure is 4 pounds per sq. in. what is the sole area of the sole...
13 years ago
if i have 5.6 liters of gas in a piston ata pressure of 206 kPa and compress the gas until its volume is 4.8L, what will the new pressure inside the piston be? how do i that problem?
13 years ago
A 485 kg boxcar traveling at 23 m/s strikes a second car (initially at rest). The cars couple, and move off at 9 m/s. What is the mass of the second car?
13 years ago
A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the molar mass of the unknown gas?
13 years ago
I am having alot of difficulty with this problem,any help would be greatly appreciated. A baseball of mass 145 g leaves a pitcher’s hand at 96.6 mi/h (1 mi/h = 1.609km/h), but due to air resistance, it arrives at home plate 60.0 ft away (1 ft = 0.3048 m)...
13 years ago
Hydro Quebec charges clients by the kilowatt hour. Is this a unit of power, energy or force? If you consume 500kWh per month how would this be expressed in SI units?
13 years ago
How high does the 35g ball go if the ball leaves the spring at the point shown in image? K=953 N/m and Xa=0 and Xb=0.120m (b)? What is the velocity of the ball when it leaves the spring?
13 years ago
A child's pogo stick stores energy in a spring with a force constant of 2.5×104N/m. At position A, the spring compression is a maximum and the child is momentarily at rest. At position B, the spring is in its equilibrium position and the child is moving u...
13 years ago
The block is released from rest on the frictionless ramp. It compresses the spring by 20cm before momentarily coming to rest. What is the initial distance d? k=200N/m m=3kg angle=300 degrees The picture looks somewhat like this : (box is here) / / (spring...
13 years ago
If f (x) = 4sin(x)+3x^(x), find f'(2).
13 years ago
If f (x) = 8arcsin(x^(2)), find f '(x). Find f'(0.3).
13 years ago
Let f(x)=((x^(6))*((x-8)^(2)))/((x2+4)^(7)) Use logarithmic differentiation to determine the derivative. f '(x) = f '(8) =
13 years ago
Let f(x) = (7^(x))* (log base 3 of(x)) f '(x) =
13 years ago
If f (x) = 6arctan(3e^(x)), find f '(x).
13 years ago
8arcsin(x^(2)), find f '(x). Find f '(0.3).
13 years ago
Let y = tan^(-1)(sqrt(5x^(2)-1)) Find dy/dx
13 years ago
Let f (x) = tan^(-1)((7^(x))) f '(x) =
13 years ago
Find the linear approximation of f (x) = ln x at x = 1 and use it to estimate ln1.12 L(x) = ln1.12= 
13 years ago
Use linear approximation, i.e. the tangent line, to approximate ((125.1)^(1/3)) as follows: Let f (x)=((x)^(1/3)). The equation of the tangent line to f(x) at x = 125 can be written in the form y = mx+b where m = b =
13 years ago
The linear approximation at x = 0 to sin(8x) is L(x) = A+Bx where A = B=
13 years ago
Let y = tan(5x+2). Find the differential dy when x = 2 and dx = 0.4 Find the differential dy when x = 2 and dx = 0.8
13 years ago
Let y = 2(x^(2))+4x+3. Find the differential dy when x = 4 and dx = 0.3 Find the differential dy when x = 4 and dx = 0.6
13 years ago
Let y = ((x^(2))+4)^5. Find the differential dy when x = 4 and dx = 0.4 Find the differential dy when x = 4 and dx = 0.05
13 years ago
Let y = e^(x/1). Find the differential dy when x = 5 and dx = 0.5 Find the differential dy when x = 5 and dx = 0.01
13 years ago
f (x) = 5x+7x^(23)) f^-1(-12) = (f^-1)' (-12) = g(x) = x^2-12x+54 for x is an element of [6, infinity) g^-1(19) = (g^-1)'(19) =
13 years ago
what is the adverb in the sentence: kevin seemed unusually excited at the party.
13 years ago
I have been trying to do this problem for a couple of days but i cant seem to get the answer. Any help would be greatly appreciated. For each of the following forms determine whether the following limit type is indeterminate, always has a fixed finite val...
13 years ago
The base of a rectangular box is x +2 cm wide and 2x+5 cm long. if the height of the box is x cm, write a polynomial in standard form which represents the box's volume
13 years ago
I can't seem to get this problem, i really don't understand it Chemical reactions can also be coupled. The decreasing free energy of a spontaneous change can be stored in substance whose formation would not ordinarily be spontaneous. Living organisms have...
13 years ago
a board is 17ft long and a hole is 1 ft futher from 1 end than it is from the other. How far is the hole from each end of the board shortest distance? Choices 6,8,10
13 years ago
a board is 17ft long and a hole is 1 ft futher from 1 end than it is from the other. How far is the hole from each end of the board shortest distance? Choices 6,8,10 Ms Sue posted 8 how did you get that answer? can you show me?
13 years ago
A train is traveling at avg speed of 90km/hr. How far will it travel in 205 hrs?
13 years ago
I ask a friend to watch my bike while I go shopping, and the bike gets stolen. I can sue my friend for damages but only if I can prove that my friend was: grossly negligent, or failed to exercise at least slight care, or failed to exercise reasonable care...
13 years ago
You have two balloons, one large (30 cm in diameter) and one small (15 cm in diameter) filled with helium. Both balloons are made of the same material (latex) and have the same unfilled material thickness (2 mm) and have a 3 cm diameter. You release both...
13 years ago

Answers

The following answers were posted by visitors named bobby.

0+3=3 1+2=3
17 years ago
THERE ARE THREE SOURCES OF RESISTANCE IN A PARALLEL CIRCUIT . TWO OF THEM ARE RATED AT 20 OHMS, THE OTHER AT 10 OHMS .WHAT IS THE CIRCUIT,S TOTAL RESISTANCE
17 years ago
what does homer est le fre're de bart mean in french
17 years ago
pleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeease help me!
16 years ago
wat u need help on
16 years ago
955 the beat
16 years ago
what is the answer to accept except threw ?
16 years ago
true
16 years ago
so I can write something like this above
16 years ago
maybe because I am in the same situation next year as well but, stats can be hard at some point because I am taking it myself
16 years ago
not that I know of i am taking algebra 2 and ap stats on saturday and next year i will take for 12th grade elementary functions
16 years ago
no problems not yet i take them this saturday
16 years ago
Distilled water is the most common form of purified water. anything else
16 years ago
so what should i write then
16 years ago
SHUT UP u losers do the god-dam work by ur self so shut the hell UP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
16 years ago
what is the sentence?
15 years ago
The boy was so happy it looked as if he was "wagging his tail."
15 years ago
for the last two questions i meant decimal form, im so confused
15 years ago
c=3d for d , Help.
15 years ago
the answer would be A.
15 years ago
Thank you
15 years ago
I believe the answer is 600 carbon atoms.
15 years ago
60 is grater than -60 because -60 is not even 1 hole yet so that means that 60 is bigger
14 years ago
-58,-47,-36,-19,-9,-5,-4,0,2,3,5,9,12,28,43,54
14 years ago
well what i would do is ask your math teacher if you could stay after school and you and her can make math cards and when you get home have your parents quiz you on some of the stuff. or another thing you could do is if you know what the questions are lik...
14 years ago
one more if it is even possibel 36 teams of 1
14 years ago
can only use 4 fives >.< thanks for helping tho =)
14 years ago
moles of gas = PV / RT = 776 x .252 / 62.363 x (273+100) =0.00841 moles which have mass of 44.173 - 43.298 g = 0.875g molar mass = 0.875g / 0.00841 moles = 104.1 g/ mole
13 years ago
g/-2<-7
13 years ago
How did you get 8?
13 years ago
Thank you... I did not realize how easy that was.
13 years ago
Sorry in 2.5 hrs not 205 hrs
13 years ago
225
13 years ago
thank you
13 years ago
yes
13 years ago
how did you get the -4 in your first step? i don't understand where that came from
13 years ago
area of circle is given by equation: A = pi*r^2 , where A is area pi is 3.14 r is radius 2) A = pi*(11.5^2) = 3.14*(11.5^2) = ? 3) radius is half the diameter d so r = 3.5 /2 = 1.75 Then area is, A = pi*(1.75^2) = 3.14*(1.75^2) = ?
12 years ago
thank you
12 years ago
web physiology? lol due tmrw?
12 years ago
I guess if all four switches were turned on.Would just just silver ? Why wouldn't yarn? I understand wood when it is wet that makes sense.
12 years ago
Thank you! I will read the link and study. Might have other questions maybe.
12 years ago
I HATE MATH
12 years ago
whoever Reiny is really explained that well and now i am done with my homework,THANKS Reiny! :)
12 years ago
you just subtract the two.. it is telling you he drove x miles in one year then x miles is another.. what is the difference
12 years ago
The figure shows a person whose weight is W = 500 N doing push-ups. Find the normal force exerted by the floor on (a) each hand and (b) each foot, assuming that the person holds this position.
11 years ago
0.912
11 years ago
78
10 years ago
In a geometric progression,the product of the 2nd and 4th terms is double the 5th terms and the sum of the first four terms is 80.find the gp
10 years ago
this is hard to answer, but because it is 80 newtons, the asteroid falls into jupiters hands.
10 years ago
llgl
10 years ago
4y2 + 25y + 6
10 years ago
0.500/6
9 years ago
37 ×45
9 years ago
thank you you helped allot
9 years ago
you sure
9 years ago
idk sorry fam
9 years ago
B 2.5
9 years ago
Thanks....got it
8 years ago
salt
8 years ago
citizins of the country elect represenatives for the national legislature. Those represenatives then choose a well-respected member of the majority party to be the one who will make sure that laws are properly carried out. What type of democratic system i...
8 years ago
what is the difference between a federal form of government and a confederal form of government A. A federal government is democratic while a condederal government is dictatorial B.A federal governtment has a constitution while a confederal government doe...
8 years ago
citizins of the country elect represenatives for the national legislature. Those represenatives then choose a well-respected member of the majority party to be the one who will make sure that laws are properly carried out. What type of democratic system i...
8 years ago
Finnaly more answers.
8 years ago
bbbb
8 years ago
lop
8 years ago
The last two questions are not a and a trust me. its b,c.
7 years ago
i need that too
7 years ago
noun
7 years ago
23.6
7 years ago
11 hours
7 years ago
Quick tables are tables that are stored in galleries as building blocks and can be reused and accessed at any time. The following option will allow you to insert a quick table: Insert ribbon -> Table drop-down menu Yous should click on the ribbon (tab) In...
6 years ago
kokokokoko
6 years ago
Calculate the average of the 12 mean monthly temperatures. Add the mean monthly temperatures for the months of the calendar year, January to December, together, and then divide by 12. This will be the mean annual temperature.
6 years ago
thank u
6 years ago
this is the most useless solution i've ever seen. plz do not read this you will lose brain cells
6 years ago
long?
6 years ago
you dumb
5 years ago
what grade are u in marie
5 years ago
connexus academy i got 100% thx
5 years ago
lop
5 years ago
no way bro ur insaibnhjb,b
5 years ago
right
5 years ago
potassium chloride
5 years ago
is idk-i think yes
5 years ago
nah
5 years ago
no he is 100 percent incorrect dont listen to him
5 years ago
thx coolkid15
5 years ago
hell yeah s thats what im talking about buddy. if you disliked this u probably didnt plug ur numbers in correctly
5 years ago
it is B D,E B Connections Academy Quick Check: the Electoral Process
5 years ago
this is all wrong i am mr bobby a science teacher
4 years ago
thanks so much for this it really help alot
4 years ago
thanks Jack
4 years ago
do anyone have the answer
4 years ago
really
4 years ago
jnkjn
4 years ago
wow
3 years ago
sorry DrBob
3 years ago
The answer for D) is apparently 20m^3 released and for E) is 140 seconds= 2 mins and 20 seconds Thank you:)
3 years ago
idk but i need help in iready
3 years ago
thank you
3 years ago