# Posts by michelle

Total # Posts: 1,968

**Math-PLEASE HELP ASAP**

how do I find the two sets of points for the following algbrea equation? y=-3x+2

**Cost Accounting**

For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900 + $6 per direct labor hour. The firm's 2008 expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. Making one unit of the company's product requres three ...

**Physics**

Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 70.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object.

**Chemsitry**

At 25 °C, only 1.9 g CaSO4 (MM = 136 g/mol) will dissolve in 2.00 L of water. Write the equilibrium expression and calculate the equilibrium constant for the reaction below. CaSO4 (s) ⇋ Ca2+ (aq) + SO42- (aq)

**chemistry**

Write the formula of the conjugate base for acid H3PO4 and what is the name of the base Write the formula of the conjugate base for acid H3O+ and what is the name of the base ..........and how can i tell how to get it? i am lost

**Geometry**

Write an equation of the straight line whose slope is 2 and whose y-intercept is the same as that of the line represented by the equation y=4x-2. What is it ?

**geometry**

In the accompanying diagram of triangle ABC side DE is parallel to AC. If BD is 8 and BA is 18, that is all on side d is the midpoint of BA and BC is 27 with the midpoint E what is the length of BE??

**English**

1 is good 2 is in spite the fact that it was raining the concert wasn't postponed 3 any of those would work accept owing to. but i would put because of 4 on condition 5 good 6 correct 7 fine

**Science**

What is the combustion reaction for Isopropyl Alcohol (C3H8O)?

**Algebrq**

How do i solve sqr4z+3=4sqr3. thé 4z+3 is under thé radical

**math133**

) Solve algebraically and check your potential solutions: sqrtx+2+0 Answer: Show your work here: 3) The volume of a cube is given by V = s3, where s is the length of a side. Find the length of a side of a cube if the volume is 800 cm3. Round the answer to three decimal places...

**Algebra**

I got confused; find the equation of the line passing through the point (-1,4) and no slope.

**math-more practice problems need help!**

Give the equation of the line y=x+6 that is perpendicular to the line and passes through point (0, -4).

**math**

positive 2?

**math**

Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0, 0); Midpoint: ( 4, -2)

**math**

The cost of tuition at Johnson Community College is $ 160 per credit hour. Each student also has to pay $100 in fees. Write an equation that shows the relationship between the total cost, C, and the number of credit hours taken, x.

**math-DUE TONIGHT PLEASE HELP**

Robert has a rectangular garden that is currently 180ft^2 and has a perimeter of 54ft He wants to increase the size of his garden by 5 ft in both directions. What will be the area of his expanded garden? A) 340 B) 74 C) 135 D) 900

**PLEASE HELP ASAP!!!MATH**

is that the answer though? I am still not following because then that would mean the kids height was 542 ???so confused

**PLEASE HELP ASAP!!!MATH**

Here was my question The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student? Heres Bob's answer but what does set them equal mean?? SOMEONE HELP! math - bobpursley, Wednesday, May 26, 2010 ...

**math**

The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student?

**College Chemistry**

For my homework I got this problem that my professor never went over in class how to do it and I don't know how to interpret it. A chemist runs a second order reaction of A->B starting at 10mili moles/L concentration of A (and no B). After one hour the concentration of ...

**algebra, math133**

Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that growth rate to ...

**chemistry**

How many liters of gas can be produced at STP from 25.0 of ? Zn(s) + 2HCl(aq)->ZnCl2(aq) + H2(g) I'm using V=nRT/P and can't get this

**chemistry**

I am looking at the material in the text over and over and cannot understand this!........help,how do I figure this out? Find the volume occupied by 0.500 mole He at STP .

**Algebra**

Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

**Algebra**

How would u solve/simplify d+12=d^2 I also need help on -4z^2+z+5=0

**chemistry**

How many kilojoules are released when 90.0 methanol is burned? I know the answer is 1020 kj but have NO idea how to get it, or what I'm doing wrong.

**statistics**

Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has normal ditribution, the mean and the median are not equal. d. The graph of a normal ...

**History/9th grade**

Nearly three -quarters of the people in Africa south of the Sahara live a.in growing urban areas b.in rural, agricultural villages c.north of the Equator d.in the rain forest

**algebra**

the signs are wrong the signs in the front of the equation should be equal to or less then and equal to or grater then

**adult education**

First 7: 57 61 57 57 58 57 61 Second 7: 61 52 69 64 46 54 47 Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all dfferent. a. The 29th percentile is greater than the 30th percentile. yes or no b. The median is greater than the...

**adult education**

The 29th percentile is greater than the 30th percentile. yes or no

**sewing**

The type of machine that uses a needle that goes from side to side is a/an

**finance**

Calculate the rate of interest compounded yearly (j) equivalent to 8% pa compounded quarterly. Give your answer as a percentage per annum to 3 decimal places.

**MATH: PROBABILITIES**

You ask a neighbor to water a sickly plant while you are on vacation. Without water the plant will die with probability 0.85. With water it will die with probability 0.55. You are 89 % certain the neighbor will remember to water the plant. You come back from the vacation and ...

**algebra**

How would you simplifyy 6\spuare root of 3 - spuare root of 10

**math.algebra1**

How would I simplify The spare root of 10(x+3)^3 * the spaure root of 18(x+5)^5

**college chemistry**

C51H88O6+ 70O2>> 51CO2+ 44H2O

**Math Help Please**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...

**Physics**

An 800.0 kg car containing an 80.0 kg crash dummy is moving at 15 m/s. The car is smashed into a concrete walls and stops in 6.00x10^-2 seconds. What is the change in momentum of the car?

**Algebra**

•How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you ...

**ChEMISTRY (Help please)**

Calculate the mass percent of acetic acid in acetic acid solution. Average molarity= .8806753M Average density= 3.27463 Molar mass of acetic acid= 60.042g

**Spanish**

Para la comida ?___Evangelina y tu el pescado es el busec? a.prefeiren b.prefeiro c.prefieres d.prefeire

**Spanish**

Me abuelos viven en Manhattan___apartamento es grade y bonito a.sus b.su c.nuestros d.nuestro

**physics**

If we push on a heavy crate to the right and it slidesw, what is the direction of friction on the crate?

**CHEMISTRY (Help please)**

Compare the results of the two measurements of a heat of neutralization (HCl&NaOH=11.58 kcal/mol) (CH3COOH&NaOH=13.06kcal/mol). Estimate the error in this. How close would they have to be to be considered identical? Quote numbers to justify your answer

**chemistry**

004200 i need to changed to scientific notation

**spanish**

the question ask what classes you have how do you answer that in spanish? (i have math english and science)

**Algebra**

determine whether the following pairs is a solution of 4p-3p=22 ,(2,7)(-1,6)

**Chemistry**

If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint: resulting solution has a volume of 100 mL)

**Algebra**

Describe what the graph of interval[-4,10] looks like.

**Chemistry**

What is the density of hydrogen gas at 25 degrees celius and 1 Atm?

**algebra**

Find the equation for the line parallel to 2x+y=6 and passing through (2, 6). Justify your response.

**algebra**

Find the equation for the line parallel to 2x+y=6 and passing through (2, 6). Justify your response.

**9th grade**

1j + 2c =11 1L + 1c = 5 1j + 2L = 3 1j + 1c + 1L = t What is t?

**algebra**

How would u solve 2r\r+5 -2(r+5)(r-4)=4(r-4) I don't kow if I should distribute the negative 2 to (r+5) What should I do from here?

**algebra**

How would u solve D\d+2 - 2\2-d = d+6\ d^2-4 I got to D(d-2)(2-d) -2 (d+2)(d-2)=2d-d^2+12-6d How would you solve? Im confused

**physics**

Determine the net force necessary to give an object with a mass of 1.8 kg an acceleration of 5.7 m/s2.

**ETH125**

conduct research to determine if the group colonized or if it immigrated to the United States. Did the group face prejudice, segregation, racism, or any combination of the three? If so, how and Why? Include your research findings in your essay. You may search though chapters ...

**Science-Chemistry**

syringe filled with water and left by the sink in the sunshine. Ten minutes later sees little puddle of water under the syringe tip. What caused the little puddle of water to appear under the syringe tip? Use words particle and kinetic energy in explanation

**Key skills**

how could i use my red hat thinking (feelings and emotcians) to explain why i respect and admire someone ?

**Algebra**

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a function?

**math**

a shaded portion of a rectangle is 2/5 of the total area....How much of the total area is not shaded...A.5/2 B.3/5 c.5/3 d.3/10.

**statistics**

blanking on formula for this question: 1038 people polled; 540 said yes. what % said yes?

**chemistry**

if 23 g of Fe2O3 formed, how many grams of Fe must have reacted?

**math**

6/9

**us history**

Was US imperialism overall beneficial?

**science**

thankx!!!

**science**

what is the area between bulges of water in the ocean called?

**math 214**

ppl cant help you with the answer b/c you didn't show us the diagram

**science**

what is the area between bulges of water in the ocean called?

**math**

4157152792306.334

**English**

i agree w/ ms. sue, what type of style do you mean????

**science**

i cant read your question! michelle

**Math**

what day and month was Lai-Sang Young born in?

**Algebra**

If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?

**math**

-4b-8=8

**Algebra**

I know when solving inequalities the sign changes when you multiply or divide by a negative number, my question is does this happen in equations as well?

**Microecon**

Which of the following industries would you classify as an oligopoly? Which would you classify as monopolistically competitive? Explain your answer. If you are not sure, what information do you need to know to decide? a. Athletic shoes b. Restaurants c. Watches d. Aircraft e. ...

**Microecon**

The following diagram shows the cost structure of a monopoly firm as well as market demand. Identify on the graph and calculate the following: a. Profit-maximizing output level b. Profit-maximizing price c. Total revenue d. Total cost e. Total profit or loss

**Miceoecon**

Suppose two passengers end up with a reservation for the last seat on a train from San Francisco to Los Angeles. Two alternatives are proposed: a. Toss a coin b. Sell the ticket to the highest bidder Compare the two options from the standpoint of efficiency and equity.

**Miceoecon**

Which of the following are examples of Pareto-efficient changes? Explain your answers. a. Cindy trades her laptop computer to Bob for his old car. b. Competition is introduced into the electric industry, and electricity rates drop. A study shows that benefits to consumers are ...

**Miceoecon**

Cell phones have become very popular. At the same time, new technology has made them less expensive to produce. Assuming that the technological advance caused cost curves to shift downward at the same time that demand was shifting to the right, draw a graph or graphs to show ...

**Physics**

What are the horizontal and vertical components of a cat's displacement when it has climbed 5 m directly up a tree ?

**chemistry**

using the G.U.E.S.S. method, how do I figure out this equation?!!!

**chemistry**

In a reaction, 25.0 grams of magnesium are added to a beaker containing 75.0 mL of 2.00 M nitric acid, HNO3. Which reactant is limiting? Which is in excess?

**math**

30

**Algebra Word problem**

Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box ...

**Philosophy**

Anyone have a proper answer for this?

**english**

wat r prepostions

**Algebra**

What is the difference between and equation and an expression? Include an example of each. Can you solve for a variable expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase of sentence that can be translated.

**algebra**

How do I perform an indicated operation and reduce to lowest terms? The problem is (-12b^3)^2

**school**

yes there is , i cant remember the names but i know quite a few

**Math**

Assume that the weight loss for the first two months of a diet program has a uniform distribution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses between 10.5 and 12 pounds in the first two months.

**business**

why di business systems still need more development

**Algebra**

Thank you for your help, however my test is multiple choice and the answers do not correspond with the formulas. a- 1/2,2 b- 1, 4 c- 15/2,-6 d- 15, -12

**Algebra**

Find the midpoint of the line segment having the given endpoints: (8,-4) and (-7,8)

**Algebra**

Find the vertical line through (6, -6)

**Algebra**

Arianna is 25 years older tha Emma. In 15 years, Arianna will be twice as old as Emma. What will their ages be in 15 years?

**Chemistry II**

If the volume of a cylinder is 1.01 L at STP (0 C and 760 Torr). If the piston is depressed 5.62 cm further into the cylinder, by how many times will the gas pressure increase? What formula would I use to solve this problem? I tried using P1V1 = P2V2, but I don't know how ...