Friday
July 25, 2014

Posts by Nora


Total # Posts: 100

math
how to convert 5/8 to a decimal

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???????

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.)

Math PLEASE help
Thanks but I do not need your help on this one anymore...

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 ans...

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

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

Math/Statistics
sorry this has not helped me at all....I am so confused on this stuff...

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...

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

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

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...

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

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.

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,...

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.

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

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

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

trig
Thank you!

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.

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.

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%.

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.

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 t...

geomerty
two sides of a triangle have lengths 45 inches and 50 inches. How long can the third side be?

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

Science
A 0.2 kg falcon hits a mouse with a force of 5 N. What was its acceleration?

Science
The force of a 0.001 kg penny falling at 70 m/s2

Science
The force of a 4 kg bowling ball to accelerate to 6 m/s2

Science
Force of a 1500 kg rhino to accelerate to 4m/s2 How do I figure this out?

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

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

math
Is 243 because 3rime 3 is nine and the nine times three is 27 so the answer is 243

math
Is 243 because 3rime 3 is nine and the nine times three is 27 so the answer is 243

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!

math
560 feet

chemistry
how do you calculate the % by mass of 3.55g of NaCl in 88g of water?

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 :)

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

algebra
ya i see it sorry it should read don invested some money at 9%

algebra
ya i see it sorry it should read don invested some money at 9%

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

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...

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....

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)....

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....

essay
can you help me to do my essay?

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.

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

Math 032 Algebra
how to get the answer 16 1/9 2 3/15

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

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.

Math
Two cards are drawn at random from a standard deck of 52 cards. What is the probability that both cards are queens?

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

statistics
3/10=.3 3/.2=15 prob=-6.8 2-68students

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?

vocabulary
opining

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?

FINANCE 200
A. PV = 9,000; rate = 9%; N = 2 years FV = PV x FVIF9%, 2 years = 9,000 x 1.188 = $10,692

math
2 forms of writing this number. 3,209,003,812?

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. = n...

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.

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....

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 be...

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.] (...

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

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?

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).

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...

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?

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.

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...

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.

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??

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.

algerba
(w-2)=15/5 w-2=3 w=3+2 :)

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?

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

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

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 thi...

Finance
What factors determine the value of stock? What do you think is the most important factor and why?

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 man...

physics
so if I did this right the answer would be -2.3x10^13 correct?

physics
I also need help with 9.67nm=???km and 2.3X10 to the -4g=????ng

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.

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

ethnics
thank you both for your help. I greatly appreciated.

ethnics
Do Asian Americans and Pacific Islanders belong to a single "Asian American" culture? please help

ethnics
thank you both for your help. I really appreciate it.

ethnics
what is the linguistic of mexican americans?

Geometry true or false
squares have 4 sides so it would be false

Geometry
inclusive means 1: comprehending stated limits or extremes <from Monday to Friday inclusive> 2 a: broad in orientation or scope b: covering or intended to cover all items, costs, or services exclusive means 1 a: excluding or having power to exclude b: limiting or limited...

biology
no

biology
what are the five basic things to survive? I have water, food, shelter, and air but I am stumped on the last one please help!!!!

Ethnics
thank you guys for your help

Ethnics
What are three characteristics of Orientalism.

hispanic american Diversity
lol i have the same assignment and i find it quite easy. It is only hard if you make it hard. Keep searching you will find the answers. try looking them up in encylodpedias

ETH125 At AXIA College
I used, The Social Distance Scale pg.47. It helped a lot. There are other pages that one can use too. Pg. 34 and LePiere teston pg.39. Good luck to all.

Ecconomics
Price elasticity of demand.Tell whether is elastic,perfectly inelastic,perfectly elastic, inelastic,or unit elastic. And what would happen to total revenue if a firm raised its price in each elasticity range identified.a.Ed=2.5 b.Ed=1.0 c.Ed=~ D. Ed=0.8

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