Wednesday
October 22, 2014

Posts by Caleb


Total # Posts: 136

physical
A body of weight 150N is supported by a thin cord attached to a point in the ceiling. Another cord is attachedto the weight and pulled horizontally until the supporting cords makes an angle of 30 degree with the vertical. Draw the diagram of the arrangement and calculate the ...
October 12, 2014

Pre-Calc
A quadratic function has its vertex at the point (-5,-2). The function passes through the point (-8,-10). Find the quadratic and linear coefficients and the constant term of the function.
September 24, 2014

Healthcare
Compare the similarities and differences of the principles of communication you learned in Week One with the major components of health communication you learned in Week Eight. What observations do you have from your comparison? Include a list of the principles of ...
July 15, 2014

English 4 help
In this course,you studied literary works from the romantic period,the Victorian era,and the modern era.Describe the common themes from each era.Then explain the main elements of the historical context that contributed to the themes in each era. All I need is help on how to ...
May 26, 2014

Algebra 2
Which cosine function has maximum of 4, a minimum of -4, and a period of 2pi/3? A. y=4 cos 3 theta B. y= 4 cos 2 theta/3 C. y=4 cos theta/3 D. y=4 cos 3 theta
May 25, 2014

Algebra 2
Simplify the trigonometric expression. sin^2 theta / 1-cos theta A. 1+cos theta B. sin theta C. 1-sin theta / cos theta D. 1+sin theta / cos theta
May 25, 2014

Algebra 2
What is the theoretical probability of rolling a sum of 6 on one roll of two standard number cubes? A. 1/9 B. 5/36 C. 1/12 D. 1/6
May 24, 2014

Algebra 2
Write an equation for the translation of y=5/x that has the asymptotes x=6 and y=7.
May 24, 2014

Algebra 2
What is the 20th term of the sequence that begins -2,4,-8,16.....?
May 24, 2014

Algebra
What are the period and amplitude of the function y=2sin4 theta? A. pi/2 and 2 B. pi and 4 C. pi/2 and 4 D. pi/2 and 1 I think the answer is A. Am i correct?
May 24, 2014

Math - Trigonomety
A plane is flying at a height of 1000 feet. A passenger on the plane sees a tree and realizes the angle of depression to the top of the tree is 15 degrees and the angle of depression to the bottom of the tree is 25 degrees. How tall is the tree?
April 27, 2014

Chemistry
what would be the molality of a solution if 71g of Cl2 were added to 400 mL of acetone (D=0.788 g/mL)
March 18, 2014

math
a box contains 22 coins consisting of quarters and dimes. the total value of the coins is $3.55. determine the number of quarters and the number of dimes in the box?
January 12, 2014

Algebra
Write the equation of the line in standard form: (-3, 6); m = 1/2 (1, 0) & (-5, 3) (-5, -5) & (-1, 3)
January 8, 2014

Math
Write an equation in slope-intercept form, point-slope, or standard form for the line with the given information. Explain why you chose the form you used. a. Passes through (-1, 4) and (-5, 2)
January 8, 2014

us history
I need a word that means.. a governments position on an issue
November 12, 2013

Math
Find two numbers the exact answer is between 6x7,381
September 24, 2013

Chemistry
If 10.11 g of limestone decomposes by heat to give 8.51 g of solid calcium oxide and carbon dioxide gas, what is the mass of carbon dioxide produced?
September 19, 2013

College Algebra
I have no idea how to do this, and nobody in my family knows how to either. I have to determine the domain of the following function. f(x)=5/(3x-7)
August 25, 2013

Government
The first American voters were only white, male ---------s. What is the blank word?
July 6, 2013

Government
People who believe voting is important have high political ----c-c-. What's the missing word? Thanks.
July 6, 2013

US Government
Any person currently in --i- cannot vote. What is the blank word? Thanks.
July 6, 2013

chemistry
How many grams of ammonium fluoride are required to neutralize 972 'm of 0.00327 M sulfuric acid
February 27, 2013

Mathmatics
this is caleb and never mind this question
February 19, 2013

Physics
A 2563-kg van runs into the back of a 826-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.
January 15, 2013

Physics
You need to move a 128-kg sofa to a different location in the room. It takes a force of 99 N to start it moving. What is the coefficient of static friction between the sofa and the carpet?
January 15, 2013

Basic Phsyics
A projectile is fired such that the vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 60 m/s. a) how long does the projectile remain in the air? b) what horizontal distance does it travel?
December 18, 2012

Basic Physics
A baseball is hit 1.3 m above home plate. The bat sends it off at an angle of 30 degrees above the horizontal at a speed of 45.0 m/s. The outfield fence is 100 m away and 11.3 m high. Does the ball clear the fence?
December 18, 2012

Basic Physics
While standing on an open bed of a truck moving at 35 m/s, and archer sees a duck flying directly overhead. The archer shoots an arrow at the duck and misses. The arrow leaves the bow with a vertical velocity of 98 m/s. a) how long does it remain in the air b) the truck ...
December 18, 2012

Basic Physics
2.0 s
December 18, 2012

Basic Physics
A shoe flung into the air such that at the end of 2.0 m/s it is at its maximum height moving at 6.0 m/s. How far away will it be from the thrower when it returns to the launch altitude.
December 18, 2012

Physics
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6400 km. Show why this objection is wrong by determining the following information. (a) Calculate the speed of a 94-kg ...
December 3, 2012

Spelling 4th grade
Down is to dive as up is to ____________?
November 26, 2012

Physics
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
November 17, 2012

Physics
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
November 17, 2012

Physics
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
November 17, 2012

Physics
A 1.31-kg block slides across a rough surface such that it slows down with an acceleration of 1.39 m/s2. What is the coefficient of kinetic friction between the block and the surface?
November 17, 2012

Physics
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
November 17, 2012

Math
There will be 24 people all together at george's birthday party.He wants to serve his grandmother's special fruit punch. His grandmother lives in England, where they use metric measurements in cooking. This is her recipe. Grandmothers fruit punch - serves 10 400 ml ...
November 12, 2012

Math
One day we decidid to drive from town A to town D.In order to get there,we had to drive through town B and C.It is ten miles farther from town A to town B than it is from town B to town C.It is ten miles farther from town B to town C than it is from town C to town D. It is 330...
November 4, 2012

Math (kindergarten)
go to the right.8+1=9 go to the left.1+2=3 it is 39.
October 10, 2012

Pre-Algebra 7th grade.
I have prealgebra with order of operations with a line dividor with a fraction line/divider. It says: 94-6 ____ 66(divided by) 6
September 19, 2012

Algr.1
For Nina's illness her doctor gives her a prescription for 28 pills. The doctor says that she should take 4 pills the first day and then 2 pills each day until her prescription runs ... How many pills should she take at the end of the 2nd day? ... So how many days will it ...
August 29, 2012

math
3/4 mile
May 7, 2012

Physics
Every glass window pane has two surfaces that reflect some light as it passes through; why doesn't interference effects show up routinely in every house window? If you could explain this I'd really appreciate it.
April 30, 2012

Physics
If the two protons and the are all at rest after the collision, find the initial speed of the protons.
April 15, 2012

physics
An R-C circuit is driven by an alternating voltage of amplitude 110 and frequency . Define to be the amplitude of the voltage across the capacitor. The resistance of the resistor is 1000 , and the capacitance of the capacitor is 1.00 . I need help on what to do I'm lost ...
March 6, 2012

7th grade math
3 11/21+ 2 8/21=
March 5, 2012

Ground School
What is the best way for me to learn more about airport operations??
February 20, 2012

calculus
Find the equation of the line given that f(x)=10^x and the point A is at x=log10(5).
February 2, 2012

American Sign Language
I need help for how to sign my 2 sentences in ASL. can you please help me? here are my 2 sentences: 1. I have been noticing that on bus or trolley young people are not courteous to give up her/ his seat to older people. 2. I had an idle chichat with my aunt about politics I ...
January 27, 2012

calculus
use differentials to estimate ln(e^4 +1) - ln(e^4)
December 7, 2011

Math (Calculus)
Find the derivative of (ln(tan(x))/3pi
December 5, 2011

Math
is 0.9 greater than 0.789
September 21, 2011

math
explain how you can find the sum 25 + 59 without paper, pencil or calculator. Find the sum? How do I do this
September 13, 2011

pre calc
find the exact solution algebraically and check it by substituting into the orginal equation. 1. 36(1/3)^x/5=4 2. 32(1/4)^x/3=2
June 12, 2011

math
i have a HUGE math test tomorrow, And I need some help on Factoring. Any websites that will give me good tutorials? I've found some but its total bs.
June 8, 2011

Math
-2/9 x 2 1/4
May 22, 2011

science
what was an example of a vessel that came to the surface by a ships signal
April 12, 2011

math
set out in tens and ones 32 + 10 = 43 + 54 = 28 + 61 = 15 + 73 =
March 30, 2011

algebral
how to write an algebrale equation to model situation te number of gal of water used to water trees is 30 times the number of trees
March 19, 2011

Pre Algebra
I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
February 9, 2011

Pre Algebra
I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
February 9, 2011

chem
I apologize but in the original data at the top of my answer the heat capacity should read: (4.184 joules / (gram x degree celsius))
January 24, 2011

chem
137 x 10^7 km^3 1.03 g / cm^3 4.184 g / cm^3 We need to convert the volume of the oceans to cm^3 so density (g/cm^3 is in the same units. 1 km = 1000 meters 1 meter = 39.37 inches 1 inch = 2.54 cm 1 km x (1000 meters / 1km) = 1000 meters 1000 meters x (39.37inches / 1 meter...
January 24, 2011

social studies
no
December 1, 2010

Calculus
Use implicit differentiation to find an equation of the tangent line to the curve y^2 = x^3 (26 − x) at the point (1, 5).
November 16, 2010

Calculus
Use implicit differentiation to find an equation of the tangent line to the curve y^2 = x^3 (26 − x) at the point (1, 5).
November 16, 2010

8th grade
How do you calculate the slope of a line?
November 8, 2010

8th grade
How do you calculate displacement and distance and velocity? (science)
November 8, 2010

social studies
what is the definition of values
October 21, 2010

Physics
A soccer player launches a ball at an angle of 40 degrees, with an initial velocity of 23 m/s. What are the horizantal and vertical for this problem??
October 14, 2010

Math
thank you!
October 5, 2010

Math
another question to see if i am right. when im rounded to the nearest ten, im 80. the digit in my tens place is 5 more than the digit in my ones' place. who am i? it is 83. correct?
October 5, 2010

Math
it is 57.
October 5, 2010

Math
could be 62 ?
October 5, 2010

Math
60 ?
October 5, 2010

Math
When I'm rounded to the nearest ten, I'm 60. The digit in my ones' place is 2 more than the digit in my tens' place. Who am I?
October 5, 2010

social studies
what aresome landforms in the southwest region
September 24, 2010

Physics
A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000 Hz. What is the ...
April 23, 2010

Physics
any one??
April 22, 2010

Physics
A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000 Hz. What is the ...
April 22, 2010

physics
ok figured out intensity need help with other 4
April 21, 2010

physics
An electronic point source emits sound isotropically at a frequency of 3000 Hz and a power of 34 watts. A small microphone has an area of 0.75 cm2 and is located 158 meters from the point source. a) What is the sound intensity at the microphone ? To find intensity i tried I=...
April 21, 2010

Calculus
Find the volume, V , of the solid obtained by rotating the region bounded by the graphs of x = y2, x = squareroot(y) about the line x = −1.
February 2, 2010

science
Expain why,it is easier to break an egg by stricking at the flat side, other than at the pointed edges.
January 24, 2010

algebra
Trying to figure out my sons math. been way to long!!!! The question is find the slope for y = 3
December 17, 2009

algebra
find the slope for 2x - 3y = 6
December 17, 2009

Pre-Algebra
well wut do they call them
September 15, 2009

math
Rational expressions in lowest terms 4y ------------ 2xy + 4y
May 12, 2009

college
4y/2xy+4y rational expressions HELP!!! I need to express this in the lowest form.
May 12, 2009

4th grade Vocabulary
Cell phone
May 4, 2009

social studies
What is the Green Treaty Line?
April 30, 2009

Chemistry
According to the principle of electrical neutrality, a water sample must have the same number of anions and cations. Assuming that a water sample contains 40 mg/L of chloride, 100 mg/L sulfate, and 10 mg/L nitrate, estimate the maximum amount (in mg/L) of sodium that could be ...
April 29, 2009

6th grade
I have to find the area of a circle. It says to round to the nearest unit, but I'm confused about what unit it is talking about. Any thoughts?
April 20, 2009

Biology
describe the effect of cyanide and arsenic on cellular repiration. Include the effect of these poisons on the electron transport chain. Be specific, and diagrams can be used to elucidate the process.
February 16, 2009

Algebra
I am supposed to find the equation for the boundary lines, using the points 0,4 and 3,5. I got 5-4/3-0, which plugged into y=mx+b would equal y=1/3x+b. The book says b equals four, but where does this number come from? Thanks!
January 31, 2009

Algebra
I am doing the amount of permutations in the word trigonometry. For the expression, I wrote 12!/2!2!2!. I got 968003200. Is this correct? If not, should I use parenthesese? Thanks
January 30, 2009

Math
A toy manufacturer is introducing two new dolls, My First Baby and My Real Baby. In one hour, the company can produce 8 First Babies or 20 Real Babies. Because of demand, the company produces at least twice as many First Babies as Real Babies. The company spends no more than ...
November 1, 2008

social studies
Why does it rain more in western oregon than eastern oregon?
September 25, 2008

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