Friday

February 27, 2015

February 27, 2015

Total # Posts: 108

**Math**

When Mrs Lee was 44 years old, her son was twice her daughter's age. Mrs Lee would be twice her son's age when her daughter was 26 years old. How old would Mrs lee be when her daughter was 20 years old?
*January 30, 2015*

**math**

Summers garden is rectangle.4m long &2m wide she wants to put a fence around it.the fence post should be 2 m apart.How many fence post will Summer needs?
*January 22, 2015*

**Math**

Yancey collects plastic banks. He has three different banks: a pig, a cow, and a horse. How many ways can Yancey arrange his banks on a shelf
*January 10, 2015*

**Enlgish**

I just need an explanation from the instructions. I am a bit confused about it. EITHER use EACH of these nouns in a sentence which shows a human trait or characteristic OR choose one noun and use it in FIVE different sentences showing five human traits for the one noun. time a...
*November 8, 2014*

**Chemistry**

Sir, I don't want the answer, I'm having difficulty setting up the problem, once I can figure that out, I will try to solve. Thank you.
*November 7, 2014*

**Chemistry**

Calculate the mass (in grams) of sugar, C12H22O11, in 142.4 mL of a 1.39 M solution of sugar. (atomic weights: C = 12.01, H = 1.008, O = 16.00)
*November 7, 2014*

**Chemistry**

442 g * 0.0339 = 14.98 g
*November 7, 2014*

**English**

Read the following short paragraph. This paragraph is full of short, choppy sentences. Use your knowledge of sentence variety and prepositional phrases to improve the paragraph. Include all of the details in your revised version. The clouds seemed to loom over the baseball ...
*August 9, 2014*

**English**

Read the following short paragraph. This paragraph is full of short, choppy sentences. Use your knowledge of sentence variety and prepositional phrases to improve the paragraph. Include all of the details in your revised version. The clouds seemed to loom over the baseball ...
*August 8, 2014*

**math**

how to convert 5/8 to a decimal
*November 17, 2013*

**Math**

Is there anyway of checking to see if anyone else has posted a question that may help you without going through the entire list for your subject???????
*May 30, 2013*

**Math**

If you roll a die 48 times and 8 of the rolls result in a "5," what empirical probability was observed for the event "5"? (Give your answer correct to three decimal places.)
*May 30, 2013*

**Math PLEASE help**

Thanks but I do not need your help on this one anymore...
*May 30, 2013*

**Math/Statistics**

Three hundred twelve viewers were asked if they were satisfied with TV coverage of a recent disaster. Gender Female Male Satisfied 90 53 Not Satisfied 124 45 (a) Find P(satisfied). (Give your answer correct to two decimal places.) (b) Find P(satisfied | female). (Give your ...
*May 29, 2013*

**Math/Statistics**

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75
*May 29, 2013*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*May 29, 2013*

**Math/Statistics**

sorry this has not helped me at all....I am so confused on this stuff...
*May 29, 2013*

**Math/Statistics**

Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c) Find the probability...
*May 29, 2013*

**Math/Statistics**

Consider the following. P(A) = 0.31 and P(B) = 0.41, and P(A and B) = 0.1271 (a) What is P(A | B)? (Give your answer correct to two decimal places.) (b) What is P(B | A)? (Give your answer correct to two decimal places.) (c) Are A and B independent? yes no cannot be determined
*May 29, 2013*

**Math/Statistics**

Consider the following. P(A) = 0.31 and P(B) = 0.41, and P(A and B) = 0.1271 (a) What is P(A | B)? (Give your answer correct to two decimal places.) (b) What is P(B | A)? (Give your answer correct to two decimal places.) (c) Are A and B independent? yes no cannot be determined
*May 28, 2013*

**Math/Statistics**

Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c) Find the probability...
*May 28, 2013*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*May 28, 2013*

**3rd Grade Identify polygons**

Tim wants to make a polygon. He draws six straight line segments. Each line segment connects to two other line segments. Is Tim's shape a polygon? Explain.
*January 23, 2013*

**c++**

The distance between two cities is 500 miles. Let us call these cities as CityA and CityB. Employees live in the CityA and travel to the CityB every day in the morning and come back in the evening on the same day except on Saturday and Sunday. They do not travel on vacations...
*October 17, 2012*

**Physics**

Assume a perfectly elastic collision between a 916g bat and a 145g baseball. Initially, the ball was moving at 32 m/s toward the ball and afterward it's heading away at 40 m/s. Find bat's speed before and after collision.
*October 10, 2012*

**Math**

30 way
*August 21, 2012*

**Math **

Logan wants to determine the distance across the river from points B to C. If she is able to determine the measures given on the map using surveyors’ tools, what is the distance between points B and C? Round the answer to the nearest tenth of a foot
*July 17, 2012*

**trig**

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)
*February 8, 2012*

**trig**

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)
*February 8, 2012*

**trig**

Thank you!
*February 8, 2012*

**trig**

Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line y=x+4 on ,find the measure of theta in degrees.
*February 8, 2012*

**Math **

The clothing stor had a sale for 75% off most of its shoes.Malik selected a pair of shoes that regulary sell for 80. What is the sale of Malik's new shoes.
*February 6, 2012*

**statistics**

using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11 and the coefficientof variation is 45%.
*January 7, 2012*

**math**

One side of the rectangle lies along the line 4x+7y+5=0 , two of its vertices are (-3,1)and (1,1). find (i) the equations of the other three sides. (ii) the angle between the two diagonals of the rectangle . (iii) the area of the rectangle.
*December 27, 2011*

**math **

If the adjacent vertices of a square ABCD are A ( -2 , 0 ) , find - The equation of the two diagonals AC and BD - The point of intersection O of the two diagonals AC and BD - The equation of the altitude from O to the side CD - The centroid of the triangle OCD by finding any ...
*December 27, 2011*

**geomerty**

two sides of a triangle have lengths 45 inches and 50 inches. How long can the third side be?
*December 10, 2011*

**Science**

A car travelling at 27 m/s2 hits a wall with 48,600 N of force. What was the car's mass?
*November 4, 2011*

**Science**

A 0.2 kg falcon hits a mouse with a force of 5 N. What was its acceleration?
*November 4, 2011*

**Science**

The force of a 0.001 kg penny falling at 70 m/s2
*November 4, 2011*

**Science**

The force of a 4 kg bowling ball to accelerate to 6 m/s2
*November 4, 2011*

**Science**

Force of a 1500 kg rhino to accelerate to 4m/s2 How do I figure this out?
*November 4, 2011*

**math**

The number of cases for a disease has reduced by half every 10 years: 1970 - 21,168 1980 - 10,584 1990 - 5,292 Assume N is the number of reported cases t years after 1970. Which is a good model for N(t)? a) 21,168 (2)^t b) 21,168 (1/2)^t c) 21,168 (1/2)^t/10 d) 21,168 (2)^t/10
*October 31, 2011*

**programming**

develop a program that converts inches to centimeters(1 inch=2.54 cm). The program when runs should prompt the user to enter an inch value
*October 16, 2011*

**math**

Is 243 because 3rime 3 is nine and the nine times three is 27 so the answer is 243
*September 14, 2011*

**7th grade honors math**

Which equation represents an inverse variation? A.3x=2y B.2-2x+y=0 C.y squared= x D.xy=5 If you could tell me the anser then explain how you got it that would be awesome!
*March 14, 2011*

**math**

560 feet
*March 10, 2011*

**chemistry**

how do you calculate the % by mass of 3.55g of NaCl in 88g of water?
*February 10, 2011*

**AP US History**

Did Thomas Jefferson change his policy after becoming president and how? (i.e. he was for strict interpretation of the constitution and etc.) Thank you :)
*January 18, 2011*

**algebra**

the cost of living last year went up 3% fortunately alice swanson got a 3% rais in her salery from last year. This year she is earning $22,660 how much did she make last year
*November 22, 2010*

**algebra**

ya i see it sorry it should read don invested some money at 9%
*November 22, 2010*

**algebra**

don williams invested some money st 9% simple interest. At the end of the year, the total amount of his original principal and the interest was $6.540. How much did he originally invest
*November 22, 2010*

**chemsitry**

c. Use the enthalpy diagram provided above and apply Hess’s Law to determine the standard enthalpy of formation for C12O36H20N12 (s) using the results from part (a) and the following values: The standard enthalpy of formation of gaseous carbon dioxide is -393.5 kJ/mol The...
*October 23, 2010*

**chemsitry**

A sample consisting of 0.025 mol of a solid compound is placed inside a metal cylinder. The cylinder was immersed in a water bath consisting of 10.00 kg of water at an original temperature of 25.00 °C. When the compound decomposes, the temperature of the water rises to 29....
*October 23, 2010*

**chemsitry**

b. The decomposition reaction may be written in this form: C12O36H20N12 (s) → 12CO2 (g) + O2 (g) + 6N2 (g) + 10H2O (l) In the enthalpy diagram below, the arrows represent standard enthalpy reactions. (3) denotes the standard enthalpy of decomposition of C12O36H20N12 (s...
*October 23, 2010*

**general chemistry**

A sample consisting of 0.025 mol of a solid compound is placed inside a metal cylinder. The cylinder was immersed in a water bath consisting of 10.00 kg of water at an original temperature of 25.00 °C. When the compound decomposes, the temperature of the water rises to 29....
*October 23, 2010*

**essay**

can you help me to do my essay?
*October 8, 2010*

**Physics**

How many uranium atoms are there in 8.2 g of pure uranium? The mass of one uranium atom is 4 × 10^−26 kg.
*September 29, 2010*

**dress making**

I need help with Dress making (sewing machines) 04201501 and (introduction to sewing) 04201400. If anybody can help, thank you....
*June 1, 2010*

**Math 032 Algebra**

how to get the answer 16 1/9 2 3/15
*May 18, 2010*

**Physics Inertia : Merry-go-round**

if you want to find the final angular speed, wf, you take: momentinertiaMerryGoRound(initial angular speed) = (momentinertiaMerryGoRound + momentinertiaKid)(wf) then solve for wf
*April 19, 2010*

**English**

Can anyone tell me a quote about Myrtle in the Great Gatsby which proves: She is shown to be an attention seeker who tries to make an appearance of being in the upper class by criticizing the lower classes.
*March 22, 2010*

**Math**

Two cards are drawn at random from a standard deck of 52 cards. What is the probability that both cards are queens?
*March 10, 2010*

**Math**

Find the first three iterates of the function f(x)=x^2-2,if the initial value is -2.
*March 10, 2010*

**statistics**

3/10=.3 3/.2=15 prob=-6.8 2-68students
*March 8, 2010*

**statistics**

survey revealed two percent of students did not select stat. for biz. suppose we select a sample of 10 students. -what is the probability that 3 students selected stat. for biz? -how many students would you expect to select stat.for biz?
*March 8, 2010*

**vocabulary**

opining
*March 7, 2010*

**Math**

What is the cost of the room for that is used for 1.5 hours at the rate of $23 per month room and size of 288 sg ft?
*December 11, 2009*

**FINANCE 200**

A. PV = 9,000; rate = 9%; N = 2 years FV = PV x FVIF9%, 2 years = 9,000 x 1.188 = $10,692
*December 11, 2009*

**math**

2 forms of writing this number. 3,209,003,812?
*September 15, 2009*

**Clauses - Grammar**

Identify all the relative clauses in the following sentences. Which ones are restrictive and which are non-restrictive? How do you know? a. My sister Mary [who lives in Florida] is coming to visit us. = non-restrictive b. The girl [who had the most points] won the contest. = ...
*April 21, 2009*

**Grammar**

Yes, you are using the word pungent correctly in the sentence. You are also correct in using the apostrophe the way you have. A good synonym for the word experience or adventure could be: voyage, expedition, escapade, journey.
*April 21, 2009*

**Correction - Grammar**

2.Which of the following sentences contain Noun Clauses and which contain adverbial clauses? a.Liz accepted [that she would never be a great opera singer.] (Noun Clause) b.I’ll participate provided [that you listen to me.] (Noun Clause) c.We waited [until the sun had set...
*April 14, 2009*

**com220**

Not for anything but I must say the website is a "Homework Help" website and not a "Will complete homework for you" website. Use your mind and think up your own answers. If and when you have problems, state your thoughts then someone will gladly help you ...
*April 14, 2009*

**Grammar**

2.Which of the following sentences contain NC’s and which contain adverbial clauses? a.Liz accepted [that she would never be a great opera singer. ](Noun Clause) b.I’ll participate provided [that you listen to me.] (Noun Clause) c.We waited [until the sun had set.] (...
*April 14, 2009*

**Grammar**

Ohhhh... I thought in essence any sentence then would have a clause. Thank you, that was enlightening. :)
*April 14, 2009*

**Grammar**

So I'm supposing then that in (b) the whole sentence is the subject noun clause. In (c) then...the clause is not a noun clause because it doesn't perform the function of one?
*April 14, 2009*

**Grammar**

a. For Karen to quit now b. that I was busy c. My brother likes his friends d. that we can't see you more often e. that she receive the award I think those are it. I'm uncertain about (a) and (c).
*April 14, 2009*

**Grammar**

1. Identify the NC in each of the following sentences. Tell whether it is a Subject Noun Clause, an Object Noun Clause or an extraposed subject Noun Clause. a.For Karen to quit now would be foolish. [subject noun clause] b.Betty knew that I was busy. [subject noun clause] c.My...
*April 14, 2009*

**Grammar**

Right, but because the repetitions are taken out, doesn't that make them reduced? So then wouldn't c, d, and e be unreduced?
*April 7, 2009*

**Grammar**

Yeah I saw that too actually, but I didn't understand it. I'm thinking then that reduced compound clauses do not change/alter the meaning of the sentence? Wait. that's for reduced compound clauses. It's okay, I'll just give it a try. Thank you though.
*April 7, 2009*

**Grammar**

1.Which of the following sentences have (unreduced) compound clauses? Briefly explain your answer. a.I like cities with parks and public sculptures. b.Everyday he either burns the toast or overcooks the eggs. c.Neither does he drink nor does he swear. d.Chris keeps calling Pat...
*April 7, 2009*

**4th grade math**

compare the mixed numbers. write <, >, or = ro each . 1. 1 1/3 > 1 5/8. 2. 6 5/6 < 6 2/6. order the mixed number froms least to greatest. 5 1/8, 5 2/3, 5 4/9.
*March 26, 2009*

**Operations management - Business**

Thank you very much i think its more likely to be dependent on time, but aren't we supposed to consider $60 x 80 boxes??
*January 12, 2009*

**Operations management - Business**

Determine which shipping alternative would be most economical to ship 80 boxes of parts when each box has a price of $200 and holding costs are 30 percent of price, given this shipping information: overnight, $300, two-day, $260, six-day, $180.
*January 12, 2009*

**algerba**

(w-2)=15/5 w-2=3 w=3+2 :)
*January 11, 2009*

**English (Commas)**

Do you use commas before and after a name. For example, If you learn your lines, Daniel, you can play the part of the grumpy old man. Is this correct?
*October 20, 2008*

**science**

a person on roller skates stands next to a wall and pushes the wall with a force of 25 N.if the person has a mass of 50 kg what is the acceleration? a. zero b. 0.5 m/s/s c. 2 m/s/s d. 4 m/s/s
*July 13, 2008*

**Algebra 1**

i need help with how to describe what the graph of interval [-4,10] looks like. I have read and read over all the information in my book but I can't find anything close to it. I would appreciate it if anyone could help me at all. thanks
*May 30, 2008*

**Algebra 1**

Rewrite the polynomial in descending order in its simplest form. here is #1 12x^2 y^2 z^3+2+24x^2 I think it should be writen 12x^2y^2Z^3+24x^2+2 then there is also question #6 I need help with is it x+y+xy+3x+4x^2 I think it should look like this 4x^2+3x+x+xy+y but I also ...
*May 28, 2008*

**Finance**

What factors determine the value of stock? What do you think is the most important factor and why?
*January 10, 2008*

**Finance**

John Roberts has $42,180.53 in a brokerage account, and he plans to contribute an additional $5,000 to the account at the end of every year. The brokerage account has an expected annual return of 12 percent. If John’s goal is to accumulate $250,000 in the account, how ...
*December 19, 2007*

**physics**

so if I did this right the answer would be -2.3x10^13 correct?
*November 12, 2007*

**physics**

I also need help with 9.67nm=???km and 2.3X10 to the -4g=????ng
*November 12, 2007*

**physics**

245kg=????ug I do not know how to change this to ug so if anyone could please show me how I would really appreciate it.
*November 12, 2007*

**algebra 2**

6y-2(y-4) ________ 3 I keep gettin 4 but my teacher keeps telling me it is wrong. please help me
*October 23, 2007*

**ethnics**

thank you both for your help. I greatly appreciated.
*October 21, 2007*

**ethnics**

Do Asian Americans and Pacific Islanders belong to a single "Asian American" culture? please help
*October 21, 2007*

**ethnics**

thank you both for your help. I really appreciate it.
*October 19, 2007*

**ethnics**

what is the linguistic of mexican americans?
*October 19, 2007*

**Geometry true or false**

squares have 4 sides so it would be false
*October 19, 2007*