Wednesday

March 4, 2015

March 4, 2015

Total # Posts: 1,597

**Alg 2 trig**

Write a sine equation for period= pie, amplitude=1/2, vertical shift up 1 and phase shift left pie/4. How would the equation be written?
*March 9, 2012*

**physics**

An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s. (a) Calculate the amplitude of the motion. m...
*March 7, 2012*

**Math **

Give three examples of the equations of parabolas that have (-2,0) and (6,0) as x-intercepts.
*March 2, 2012*

**pre-calc**

Given sin x = -5/6 and x is in Quadrant IV, find cos 2x (1 point)
*February 26, 2012*

**pre-calc**

Given sin x = -5/6 and x is in Quadrant IV, find cos 2x (1 point)
*February 26, 2012*

**Math!!!**

Mrs wong wants to invest $50000 for 3 years. Simple interest of 5% p.a. for the first year, and then interest compounded monthly at 3% p.a. in every subsequent year. Find the amount she will receive.
*February 26, 2012*

**math**

The building is 16 by 12 feet so, to the nearest tenth of a foot what distance (x) fom the building should time place the 16-ft ladder so that the top of the ladder will be 12 feet above the ground?
*February 24, 2012*

**physical chemistry**

A sample of the sugar D-ribose (C5H10O5) of mass 0.727g was placed in a constant volume calorimeter and then ignited in the prescence of excess oxygen. The temperature rose by 0.910K In a separate experiment in the same calorimeter, the combustion of 0.825g of benzoic acid for...
*February 23, 2012*

**math**

a box will hold seven 3-pound bags of pears. how many boxes will be needed for 90 pounds of pears?
*February 23, 2012*

**chemistry**

What mass of potassium nitrate would you have to heat in order to produce 1.00dm of oxygen at rtp?
*February 23, 2012*

**physical chemistry**

1.) Calculate delta rH for the freezing of water at one bar and -10 degrees C. The heat capacities are H2O(s)=36.9 JK-1mol-1 and H2O(l)=74.5JK-1mol-1. delta H for freezing of water at 0 degree C is -6602Jmol-1 (assume C is independent of temperature). 2.) Assume the hot brick ...
*February 21, 2012*

**Physics **

There is a box resting on a table connected to a second box hanging off the edge of the table by a string that is run through a pulley. The mass of the first box is 3.50 kg. and The mass of the second box is 2.8 kg. What is the tension in the string connecting the two boxes ...
*February 16, 2012*

**english**

how can you resolve cultural bias of staff members in the work place
*February 16, 2012*

**english**

what should be taken into consideration when cultural bias occurs
*February 16, 2012*

**Economics**

If the federal government enacts a tax on a monopoly, how would you expect the additional tax to affect the following: 1. Output produced by the monopoly 2. Prices charged by the monopoly 3. Profits of the monopoly
*February 14, 2012*

**Geometry**

If two angles are 120, then the other two must total 360-2*120 = 120 So each other angle is 60. When you draw diagonals in a rhombus, they form right angles at their intersection. So, what we have after we draw in the diagonals, is 4 triangles. Each triangle is 30-60-90. And ...
*February 14, 2012*

**Math**

think you mean "...8 turns of wire are..." I guess you mean that the wire starts at one end of the pipe and ends up at the other end of the pipe. So the wire has travelled 60 inches along the length of the pipe and 32 inches around the pipe. If you imagine the sides ...
*February 13, 2012*

**human resource **

1. Regulations governing the employer-employee relationship are based on agency law and failure of an employee/agent to act according to the employer's instructions could result in liability for the employer. 2. Misclassification of employees as...
*February 11, 2012*

**new american gov't 2**

The term, _____ , refers to the potential benefit a person gives up when he or she decides to do one thing instead of another.
*February 10, 2012*

**Algrbra I**

Help!! I do not understand how to work these types of problems. My instructor gives us really long formulas and charts for these and i don't get it!! Im good at algebra, I have an A in the class, so this is irritating to me! The radiator in a certain make of car needs to ...
*February 8, 2012*

**Physics**

. A rock thrown horizontally at a large bell 57.0 m away is heard to hit the bell 4.10 s later. If the speed of sound is 330 m/s, what was the speed (in meters/second) of the rock? (Disregard gravity.)
*February 7, 2012*

**Math**

Your softball team is raffling a stereo system and the total off 800 tickets have been sold. Your family bought 20 tickets. What is the probabilty that your family will not win?
*February 6, 2012*

**math**

values for area and length of right triangular prism with volume of 6
*January 31, 2012*

**psy**

A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as follows: Student Anxiety Scores Study Hours 5 1 10 6 5 2 11 8 12 5 4 1 3 4 2 6 6 5 1 2 Why is a correlation the most appropriate statistic? What is the...
*January 31, 2012*

**math**

if my example is a y=kx one and y=-5 and x=10 which are directly proportional why can't I just isolate the "k" (constant) and solve as a regular algebraic equation?
*January 28, 2012*

**spelling**

analogy consonant blend for caught length with word that begins with scr,spr,str or thr
*January 25, 2012*

**math college algebra**

write the quadratic function f(x)-x^2+14x-50 in the form f(x)=a(x-h)^2+k by completing the square and graph
*January 23, 2012*

**math **

list the necessary steps needed to find the missing answer 2*(3+5)=____-7
*January 18, 2012*

**math**

Michael went scuba diving. He dropped 80 ft. below sea level.He saw a shark and came up 15 ft. to get away. When the coast was clear he sank 25 more feet. What integer represents Michael's original drop in sea level?
*January 18, 2012*

**science**

what breaks down big food into simple substances?
*January 18, 2012*

**science **

the body breaks down both physically and?
*January 18, 2012*

**Math**

A ball is thrown from the top of a 75-foot tower with a velocity of 32 feet per secon. Find the equation of the parabolic path.
*January 17, 2012*

**math**

how do i find the percent of a component in a mixture given the amount of compound and the amount of mixture c=3g,m=8g please help thank you
*January 16, 2012*

**physics**

WHAT IS(–6z – 2) /( 3.8X102)= 10
*January 15, 2012*

**8th grade math**

values for area and length of right triangular prism with volume of 6
*January 12, 2012*

**algebra**

whats the answer to f(x)+43×76÷3=?
*January 11, 2012*

**Math**

It takes 5 1/3 minutes for light from the sun to reach earth. The Moon is closer to earth, so it,s light reaches earth faster about 5 19/60 minutes faster than from the sun. How long does light from the moon take to reach earth.
*January 10, 2012*

**Math**

In a certain survey of 1034 adults, 89% reported having more than one television at home. Find the actual number of reespondents corresponding to the given percentage
*January 9, 2012*

**Physics**

A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.60, what was the speed of the bullet ...
*January 5, 2012*

**Math**

A cube measures 13 centimeters in width. Explain how to find the volume of the cube.
*January 5, 2012*

**Math**

If a triangle has a height of 24cm and an area of 240cm2, what is the length of its base?
*January 5, 2012*

**Math**

A trapezoid has an area of 312cm2. If the bases are 3cm and 20cm, find the height.
*January 5, 2012*

**Math**

A cylindrical container has a radius of 8 cm and a height of 14 cm. How much milk does it contain when full?
*January 5, 2012*

**Mah**

A tent has a square base of side 6m and a height of 4m. How much air does it enclose?
*January 5, 2012*

**math**

sorry meant expand
*January 1, 2012*

**math**

1) -3y+4 > 7y-3 over 6 2) 3y over 2 + 5 over 3 < -7y+2 over 4 3) If A(1,2) B(-2,6) and P(4,p) are collinear, find p. THANK YOU!
*December 28, 2011*

**math**

I want to know why [5-5cos(square)(filter)] is equal to [5sin(square)(filter)] Do you guys know what I mean? sorry for that I can't type (square and filter) signs
*December 28, 2011*

**math**

why do oyu change the last two signs when subtracting two negative numbers?
*December 17, 2011*

**nutrition**

whoops *such a thing
*December 15, 2011*

**nutrition**

How can I know the RDA (recommended dietary allowance) for nutrients other than minerals and vitamins? Is there suck a thing?
*December 15, 2011*

**geometry**

Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**
*December 13, 2011*

**Pre algebra**

Urgent!!!! plz answer
*December 4, 2011*

**Pre algebra**

-1/3H < or equal to 7 how is it done? I know signs need to be switched but is there any reciprocating the fraction?
*December 4, 2011*

**Science 7R (Lab questions) **

yes for q13 do animals do photosynthesis? take it from there
*December 1, 2011*

**Science 7R (Lab questions) **

almost does not contain cell what?
*December 1, 2011*

**Chemistry**

Yeah, I figured it out after I said I didn't understand. It's actually really easy. Thanks for all your help though!
*November 30, 2011*

**Chemistry**

I'm really bad at this, I still dont understand.
*November 30, 2011*

**Chemistry**

List the sets of quantum numbers which describe all of the electrons possible in a 6p wave function (orbital): I'm really having trouble figuring this out!
*November 30, 2011*

**history/english**

thanks cleared it!
*November 28, 2011*

**history/english**

are southerners considered to be immigrants?
*November 28, 2011*

**cleveland state university**

3.2 atm
*November 21, 2011*

**bio**

Homozygous dominant for BRCA1-what is the genotype? (using the letter b)
*November 19, 2011*

**Chemistry **

Calculate the standard enthalpy change for the reaction 2C8H18(l)+17O2(g)> 16CO(g) + 18H2O(l) Given 2C8H18(l)+25O2(g)>16CO2(g)+18H2O(l) deltaH=-11020 kj/mol 2CO(g)+ O2(g)>2CO2(g) Delta H=-566.0 kj/mol The > is supposed to be an arrow :)
*November 17, 2011*

**Algebra 2**

is 4y(squared)-17y+15 factorable? i think its just not factorable, but i'm not sure. thank you::)
*November 16, 2011*

**algebra**

The sum of the digits of a two-digit number is eleven. If the digits are reversed, the new number is sixty-three less than the original number. Find the original number. Help? &explain how you got the answer please.
*November 16, 2011*

**Chemistry**

Glycine,C2H502N, is important for biological energy.Find the heat of combustion deltaHrxn. Delta H [C2H5O2N]=-537.3 kj/mol DeltaH [ CO2(g)=-393.5 kj/mol DeltaH[H2O(l)]-285.8 kj/mol
*November 15, 2011*

**math HELP FAST PLEASE**

It's 3
*November 9, 2011*

**LA**

why does prince humperdink have to look for a bride in The Princess Bride?
*November 9, 2011*

**bio**

How do we determine that prophase is the longest stage of mitosis?
*November 7, 2011*

**Chemistry**

Calculate the amount of energy released in the formation of one mole of BaSe bonds (not lattice energy). The radius of the barium ion is 1.35 Å, and the radius of the selenide ion is 1.98 Å. Note that 1Å=10−10m. needs to be using the dimensions of ...
*November 3, 2011*

**English**

I have written a a outline and my teacher said it was good. the article does not specify whether they are legal or not and it does not specify which sect of Mexicans.
*November 1, 2011*

**English**

updated version: These two essays state the rights that the Mexicans have in the US and what issues could arise from them. However, although each writer spoke about these topics, they each view it through a different lens.
*November 1, 2011*

**English**

This is my thesis so far for a compare and contrast essay on Se Habla Entitlement and Border on Our Backs...These two essays state the rights that the Mexicans have in the US and what issues could arise from them. I know it is not perfect. Can someone help me perfect it? thanks
*November 1, 2011*

**algebra**

determine if (-5/6, -1) is a solution to 6x-5y= -10 show work
*November 1, 2011*

**algebra**

Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (1, 2) and (9, 12)
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**English**

is there such a thing the "language" of percentages/surveys?
*October 29, 2011*

**algebra**

Simplify -9-(-3)
*October 28, 2011*

**Physics**

Use conservation of energy to determine the angular speed of the spool shown in Figure P8.36 after the 3.00 kg bucket has fallen 3.20 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as it unwinds. The Figure shows ...
*October 26, 2011*

**calculus**

Reiny, i need the maximum vertical distance between the two functions of the graph.
*October 26, 2011*

**calculus**

what is the maximum distance between f and g when f(x)=1/2x^2 and g(x)=1/16x^4-1/2x^2 on closed interval [0,4]
*October 26, 2011*

**Statistics**

A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or checks (or both). What is the probability that a randomly chosen customer at the shop is carrying both cash and checks?
*October 22, 2011*

**english**

A good strong thesis statement about the children's book Corduroy by Don Freeman
*October 20, 2011*

**Math**

A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function s(t) = -16t^2 +64t + 160 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how many seconds does ...
*October 18, 2011*

**Chemistry**

125 mL of 1.00 M HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction HCl + KOH -> KCl + H2O
*October 17, 2011*

**Chemistry**

125 mL of 1.00 HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction
*October 17, 2011*

**AP environmental Science**

What formula would i use to solve: If the earth has an annual growth rate of 1.2% how many people are added to the earth each year? what will be the population of earth in 2050? thanks, any help is appreciated!! :D
*October 16, 2011*

**Algebra**

400=20t 400=100h y=#variable
*October 16, 2011*

**bio**

What is the term used when an amino acid is used for four or more codons?
*October 16, 2011*

**English**

Simple subject is the noun Simple predicate is the KEY word in the predicate. For example, The maze had hundred pathways. Maze=simple subject had=simple predicate hope this helps
*October 16, 2011*

**English**

Forget it, I understand it now. Thank you.
*October 15, 2011*

**English**

I already did, are you able to explain what back-formation means?
*October 15, 2011*

**English**

Where can I find out the history of the words difficult and challenge and be able to write a paragraph on them each? Tried Google.
*October 15, 2011*

**calculus**

tan 30=a/ 9 inches
*October 11, 2011*

**English**

Can you give me another example that is similar to MIss and Ms. ?
*October 10, 2011*

**English**

those were just examples, so they are homographs?
*October 10, 2011*

**English**

so what is their category? Can you give me another example of this?
*October 10, 2011*

**English**

Does Miss and Ms. fit under the category of homonyms or homophones, or are they under another category?
*October 10, 2011*

**5th Grade Math**

writing a prime number factorization of a number using exponents. does that mean 15= 5 x 3 60= 6 x 10 28= 4 x 7 49= 7 x 7 Yes,No or What?
*October 6, 2011*

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