Saturday
November 22, 2014

Posts by MARIAH


Total # Posts: 188

Math
The inflection point of the curve y = x4 − 8x3 + 24x2 + 7x − 3 is? So I got (1,21) I was wondering if this is correct because sometimes I will be doing something completely wrong and not even realize it.
November 16, 2014

chemistry
How many grams of O2 are contained in a 25.0L sample at 5.20 atm and 28.0C?
November 13, 2014

physics
A bush baby, an African primate, is capable of leaping vertically to the remarkable height of 2.3 m. To jump this high, the bush baby accelerates over a distance of 0.14m while extending the legs. The acceleration during the jump is approximately constant. -What is the ...
October 9, 2014

physics
Heather and Jerry are standing on a bridge 53m above a river. Heather throws a rock straight down with a speed of 12m/s . Jerry, at exactly the same instant of time, throws a rock straight up with the same speed. Ignore air resistance. How much time elapses between the first ...
October 9, 2014

Trigonometry
The depth d in feet of the water in a bay at is given by d(t) = 3/2 sin (5πt/31) + 23 where t is time. Graph the depth of the water as a function of time. What is the maximum depth of the water to the nearest tenth of a foot? (Enter only the number.)
October 2, 2014

science
Yeah, it's definitely A.
October 2, 2014

Trigonometry
I was thinking that was the answer, but I just wasn't sure if those pi's were going to cancel out. Thanks for the confirmation! :)
October 1, 2014

Trigonometry
A little confused on this one... Find the amplitude and the period of h(x) = 1/2 cos (-πx).
October 1, 2014

Trigonometry
I think I got the answer. I did 1/0.004 and got 250 hz.
October 1, 2014

Trigonometry
Sorry, I just wanted to make my question more clear.
October 1, 2014

Trigonometry
I know we multiply 2pi times coefficient. In this case, I guess I am asking what that is.
October 1, 2014

Trigonometry
Ohh, I see. So, you would multiply 2 x pi x 3 or x 0.004? What is k equal to?
October 1, 2014

Trigonometry
Use a sine function to graph a sound wave with a period of 0.004 of a second and an amplitude of 3 cm. Find the frequency in hertz for this sound wave. (Enter only the number.)
October 1, 2014

Trigonometry
Thank you, Steve! :)
October 1, 2014

Trigonometry
Identify the amplitude and the period of the function c(x) = 3cos (x + π).
October 1, 2014

Trigonometry
Solve for θ in the equation cos θ = -0.181 when 180º < θ < 360º. Round your answer to the nearest tenth of a degree.
September 30, 2014

Trigonometry
A painter wants to lean a 30-foot ladder against a wall. Safety guidelines recommend that the distance between the base of the ladder and the wall should be 1/4 of the length of the ladder. To the nearest degree, what acute angle should the ladder make with the ground? Enter ...
September 30, 2014

Communication
Question 1. 1. Which of the following guidelines are most correct regarding rules for responding to self-disclosure? (C) Respond back immediately, support the person disclosing, and listen critically. Listen critically, never use the disclosure against the other person, don&#...
September 30, 2014

Math
878999
September 15, 2014

algebra
1. Kevin ran 3 miles less than Steve ran. The sum of their distances is 21 miles. How far did Steve run? The domain of the solution is {0, 10.5, 12, 18}.
August 30, 2014

geometry
if a polygon has a volume of 19 cm and is dilated by a factor 3\2 , what will be the volume of the dilated polygon
August 4, 2014

computer literacy
1. Which of the following options would return a true statement for the sentence: The sky is bluest early in the morning. (A) Sky and blue Sky not morning Sky or dark Sky and evening 2. Famed science fiction writer H. G. Wells once envisioned something to store vast amounts of...
April 27, 2014

Computer Literacy
2. Which of the following components was a significant development featured in the Macintosh LISA computer? (C) C Prompt Disk Operating System Graphical User Interface) Memory 4. Which is NOT a function associated with a motherboard? (D) Expansion slot Memory Processor ...
April 21, 2014

Computer Literacy
Question 2 is C Question 4 is D Question 10 is B
April 21, 2014

Computer Literacy
1. Which vendor did IBM select to create the operating system for the IBM PC? (A) Microsoft Macintosh DEC Dell 2. Which of the following components was a significant development featured in the Macintosh LISA computer? (A) C Prompt Disk Operating System Graphical User ...
April 21, 2014

Biology
The purines in DNA are A.thymine and cytosine B.thymine and guanine C.adenine and guanine D.adenine and cytosine
April 1, 2014

math
how much greater is 5 miles than 8,ooo
February 19, 2014

math
which is greater 20 feet or 7 yards
February 19, 2014

Volumes of pyramids and cones
Find the missing dimensions. Rectangular pyramid. L=8m, w=4.6m, v=88m3
February 19, 2014

sociology
1. Justice Potter Stewart would most agree with which claim about obscenity? (B) It is easy to concretely determine what obscenity is. People can intuitively understand what obscenity is. Obscenity ought to be allowed so long as no one is harmed. Obscenity involves violence ...
February 17, 2014

Science
how do you draw a bohr diagram of a atom and a ion and how are they different????
February 12, 2014

marketing
should target markets be large and spread out
February 3, 2014

Politics
Question 9 I'm stuck between A or D Question 3 is B I'm having a lot of trouble with question 10
February 2, 2014

Politics
1. The heart of Martin v. Hunter’s Lessee was D A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had authority to ...
February 2, 2014

Politics
1. The heart of Martin v. Hunter’s Lessee was A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had authority to ...
February 2, 2014

physics
A diver runs horizontally with a speed of 1.30 m/s off a platform that is 8.6 m above the water. What is his speed just before striking the water?
January 31, 2014

American National Government
Control of the bureaucracy through legislative oversight is a matter of (Points : 1) denying Congress’ power of the purse. exercising the legislative veto and scalding agency heads in public sessions. exercising the legislative veto and its spending authority. scalding ...
January 26, 2014

American National Government
Control of the bureaucracy through legislative oversight is a matter of (Points : 1) denying Congress’ power of the purse. exercising the legislative veto and scalding agency heads in public sessions. exercising the legislative veto and its spending authority. scalding ...
January 26, 2014

PHYSICS
homework
October 15, 2013

English
18. B 20. D
July 1, 2013

English
13. B 15. B 16. D 18. C 20. A Are those correct?
July 1, 2013

English
Thank you for checking my answers:)
July 1, 2013

English
Thank you so much!! :)
July 1, 2013

English
Okay,thanks!! :)
July 1, 2013

applied algebra
35 ml of a sample are obtained from a crime scene where the ratio of blood to water is 7:3. how much of the sample was blood?
June 20, 2013

English II
In 1908, a french girl and her mother found them.
March 12, 2013

chemistry
the maximum volume if Ziploc sandwich is 0.5 L at the pressure of 1 atm. use the gas law, calculate the pressure in the bag from the above volume of co2.
March 10, 2013

Criminology Statistics
A given distribution has a mean of 60. A score of 75 had a corresponding z of +2.00. The standard deviation is
March 1, 2013

algebra
If you bought 24 cards for $50, one card is $1 each and he other card is $5. Write an equation and solve.
February 26, 2013

social studies
how did the civil war in 1861 affect texas
February 7, 2013

Science
SEA FLOOR SPREADING
February 1, 2013

chemistry
A mixture of 1.441 g of H2 and 70.24 g of Br2 is heated in a 2.00-L vessel at 700 K. These substances react as follows. H2(g) + Br2(g) arrow 2 HBr(g) At equilibrium the vessel is found to contain 0.627 g of H2. calculate their equilibrium concentrations and Kc
January 22, 2013

math
10-2p+5p=p+4
January 8, 2013

Reading Book Project
What are three objects that represent The Maze Runner?
January 6, 2013

Physical Science
What is the acceleration of an airplane with an initial velocity of 150 m/s and a final velocity of 175 m/s and the velocity change was made in 5 seconds? .
January 2, 2013

geometry
an A-frame house is 45 feet high and 32 feet wide. find the measure of the angle that the roof makes with the floor. Round to the nearest degree.
December 11, 2012

physics
After being struck by a bowling ball, a 1.4kg bowling pin sliding to the right at 4.5 m/s collides head-on with another 1.4 kg bowling pin initially at rest. Find the final velocity of the second pin in the following situations: a)The first pin moves to the right after the ...
November 27, 2012

7th grade social studies
spain
October 2, 2012

Chemistry
Calculate the molarity of a 100. mL solution containing 22.3 g of sucrose (C12H22O11)
September 24, 2012

Math
What is factorization.
August 28, 2012

Just think twice.
The answers posted above are not even right. lol.
May 24, 2012

Just think twice.
And also by the way, when i check my answers, i get about 85-90% of them right on my own so when i earn a grade of 92%, it makes me feel a lot proud of myself to know i did it on my own with a little to no help and not changing my answers.
May 24, 2012

Just think twice.
I have this exact same class as you. And before i come to this site, i FIRST complete my whole exam and than check my answers here, and the ones i get wrong, i just get wrong on my actual exam. I dont change a thing. This college sweetie, and there is absolute nothing wrong ...
May 24, 2012

social studies
What could i write for a letter to george washington
March 11, 2012

AP US History
i have went to the link you provided and i saw some good information. i just do not know how to exactly word the question to make it a good DBQ.
March 9, 2012

AP US History
i have to create a DBQ on the 1930's and the great depression in the united states. does anybody have any ideas on what kind of question i should come up with or ideas to help me get started?
March 9, 2012

Physics
Okay thank you!!
March 7, 2012

Physics
A projectile mass of 0.500 kg is shot straight up with an initial speed of 28.0 m/s. A. How high would it go if there were no air friction? I got this answer, it is 40 m. B. If the projectile rises to a maximum height of only 34.0 m, determine the magnitude of the average ...
March 7, 2012

Physics
A winning basketball shot in the last second of a game is launched with an initial speed of 12.2 m/s, 68 degrees above horizontal, and at a height of 2 m above the floor. The ball passes through the basketball hoop mounted at 3.05 m above the floor. A. What is the ball's ...
March 7, 2012

English
This sentence contains a dangling modifier. As a Principal Technical Editor/Writer for Alpha Communications, with over 12 years of experience, the internship would provide an opportunity to work with technical documents outside my familiar "comfort zone" of technical...
February 23, 2012

English
The virus may cause AIDS, produce cancer, or kill people. This makes all three have a verb + direct object.
February 23, 2012

English
Correct this: The virus may cause AIDS, cancer, or even kill. Do I need to add a word in front of cancer? Would this be correct? The virus may cause AIDS, produce cancer, or even kill.
February 23, 2012

English
and by death.
February 23, 2012

English
Will just taking out the "it" make this sentence correct? The disease is typified by a delay in motor development, by self-destructive behavior, and it leads to death.
February 23, 2012

English
How should this be written to correct the dangling modifier? The cost of production can be reduced by purchasing an ultra-pure water system.
February 23, 2012

science
i need this answered for me haha^^ i have no clue.. ''a solute was mixed with a solvent, some of the solute fell to the bottom of the test tube, what happend?'' plzzzz answerrr xD
February 19, 2012

physics
A cylinder of volume 2.3 L contains CO2 gas at 2.2 atm. A piston is pushed into the cylinder to decrease the volume to 1.2 L with no temperature change. What is the new pressure of the gas in atm? im completely stuck on how to start this.
February 8, 2012

physics
so you find the specific heat of water, then multiply that times the change in temperature then divide that into the joules?
January 26, 2012

physics
Heat totaling 2700.0 J leaves a glass of water at 75.0 C to bring it to room temperature (20.0 C). What is the mass of the water in g (ignore the glass)?
January 26, 2012

physics
thanks
January 26, 2012

physics
so you just multiply those all together?
January 26, 2012

physics
just multiply then??
January 26, 2012

Economics
1. A firm in a perfectly competitive market invents a new method of production that lowers its marginal costs. What happens to its output? What happens to the price it charges? a. The firm has an employee who threatens to tell all other firms in the industry about how to ...
January 21, 2012

science
thanks what do you mean the reason.. i think it asking like how are they detected.. just by looking at the body parts specific to that disease and examining them closely and looking for any abnormalties.. does that answer the question enough do you think?
January 19, 2012

science
What diseases can ultrasounds detect and how? thank you
January 19, 2012

algebra
y does the president put vegetables in his blender?
December 8, 2011

math
How do I subtract 6 5/14-5 13/14?
November 21, 2011

Science: Phsycs
A baseball player swings his 2 kg bat with a speed of 15 m/s. They hit a 0.142 kg baseball which was approaching at a speed of 40 m/s. the ball rebounds in the other direction at 45 m/s. If the baseball and bat are in contact for 5 ms, what is the average force the bat exerts ...
October 25, 2011

Chemistry
Determine the frequency of light with a wavelength of 3.728 × 10 −7 cm. Answer in units of Hz Given the speed of light as 3.0 × 10 8 m/s, calculate the wavelength of the electromagnetic radiation whose frequency is 9.7 × 10 12 Hz. Answer in units of m. ...
October 17, 2011

Burnett
Write balanced molecular and net ionic equations for the reaction of KHP with NaOH.
October 9, 2011

trig
Is it 247.5484535°?
October 5, 2011

physics
Can Acceleration be negative?
September 18, 2011

5th Grade Math
Estimate. Then find the product
September 6, 2011

early childhood
Whats two resources designed to assist teachers in constructively dealing with childrens challenging behaviors like biting, hitting, aggressive,etc?
July 25, 2011

English - Native speakers
the correct way to write this sentence would be "she did not ask her supervisor for the days off."
May 26, 2011

geometry
find the perimeter of the polygon with vertices A(-5,-3) B(1,0) C (3,-4) D(-3,-7)
May 2, 2011

physics
What is the heat of fusion of silver? what is the heat of vaporization for silver? what is the specific heat of silver? thank you.
April 10, 2011

computers
b. control panel
March 14, 2011

calculus SIMPSON RULE
1/3[f(16)+4f(15)+2f(14)+4f(13)+2f(12)+4f(11)+f(10)] I'm assuming for deltax is 1.
March 14, 2011

college chem
Calculate the pH of a 25 mL sample of distilled water after the addition of 1 mL, 2 mL, 3 mL, 4 mL, and 5 mL of NaOH and HCL. (0.1 M HCl and NaOH) In total, you need to show 10 calculations.
March 14, 2011

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