Friday
August 1, 2014

Posts by felicia


Total # Posts: 189

Statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of in...

Statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

Math
CLEVELAND MADE 4 TYPING ERROR IN 60 WORDS. WHAT IS THE PROBABILITY THAT HIS NEXT WORD WILL HAVE AND ERROR?

Chemistry
The ΔH per mole of CaCl2 is -81.0 kJ. Calculate the final temperature of an aqueous solution if 30 g of CaCl2 are added to 100 g of water at 23oC. Assume that the specific heat of the solution is the same as that of water

Geomerty
If UV = X+6 and UY = x - 1 Find YV. Y is the midpoint of U and V. Please show work.

11th grade
ok, thank you for your help

11th grade
I'm so confused on these 4 problems

11th grade
can you help me?

11th grade
yes

11th grade
need to work these out

11th grade
need help with these problems can anyone help me- 2x-1=y 2x=y-6 3y=-6x x+4y=12 Thank you

probabilities
z < .05=

random variables
For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places. 16. P (0 less than or equal to Z less than or equal .9) 17. P (-1.3 less than or equal to Z less than or equal to) 18. P(Z > 2.5) 19. P(Z gre...

chemistry
Any reaction that absorbs 150 kcal of energy can be classified as ________.

probabilities
Freddy owns a taxicab company and is trying to find the most economical method of handling incoming calls. He currently has a couple of employees working the phones, but wonders if there is a better arrangement. His options for the call center are: continue with his own staff,...

algebra2
P (Z ¡Ü -.64)

algebra2
P (-1.1 <_ Z <_ 0) the symbols are less than or equal to but i can't make them on here

alegbra
Thank you I will check it out

alegbra
p (z < .15)

math
p(z>2.3)

statistics
Suppose that you are given a decision situation with three possible state of nature: s1, s2, and s3. The prior probabilities are P(s1) =.1, P(s2) = .6, and P(s3) = .3. With sample information I, P(I|s1) =.15, P(I|s2) = .2, and P(I|s3) = .1. Compute P(s1|I)= Compute P(s2|I)= Co...

statistics
P(Z > 2.3)

statistics
the symbols are less than or equal to

statistics
P (-1.1 ¡Ü Z ¡Ü 0)

Find the Volume
Got it. Thanks MathMate..

Find the Volume
I put B for this answer but I was not sure when I rounded it, this would be the closest answer.

Find the Volume
The diameter of a Sphere is 4.8 cm Use 3.14 and round to the nearest thousandth. A 57.876 cm3 B 463.012 cm3 c 289.382 cm3 d 72.346 cm3

Geometry WP
My thought process is A for sure. But D seems like a better choices. Now I'm confused your thoughts??

Geometry WP
Can you help me with this one. I am not sure where to go with this question? Choose the most resonable unit of measure.. One strand of hair: A)200 mg B)20 mg C)2 mg D)12 mg

Geometry WP
Thanks so much. The choices puzzled me.

Geometry WP
Ok, this is the list of choices i'm thinking A?? A)Double the Celsius temperature and add 30. B)Triple the Celsius temperature and add 30. C)Triple the Celsius temperature and subtract 10. D)Add 52 to the Celsius temperature.

Geometry WP
While in Europe, Allison heard a weather forecast that said the temperature would be 22°C (this is about 74°F). Give a rule that could give Allison an easy way to convert from Celsius to Fahrenheit

Geometry WP
Thanks Ariel. I got this answer, i was making sure you added 4ft to all the sides. Thanks abunch!

Geometry WP
Yes

Geometry WP
Im sorry about that typo. 195ft and has a perimeter of 56ft. He wants to increase the size of his garden by 4 ft in both directions. What will be the area of his expanded garden?

Geometry WP
Robert has a rectangular garden that is currently 195 and has a perimeter of He wants to increase the size of his garden by 4 ft in both directions. What will be the area of his expanded garden? A) 112 B) 323 C) 72 D) 780

Geometry
A spherical storage tank has a diameter of 48 ft and is full of water. How many delivery trucks with cylindrical tanks measuring 8 ft in diameter and 10 ft long can be completely filled from the storage tank? A) 230 trucks B) 115 trucks C) 86 trucks D) 1152 trucks

Geometry
If the edge of a cube is doubled, the volume is A. one-half as much b. doubled c. quadrupled d. none of these

English
ABC A poem that has five lines that create a mood, picture, or feeling. Lines 1 through 4 are made up of words, phrases or clauses while the first word of each line is in alphabetical order. Line 5 is one sentence long and begins with any letter. Acrostic Poetry that certain l...

social studies
Henry the 8th had six [6] wives.

Math
Trapezium: A = ½ (a+b)h where a and b are the side lengths of the parallel sides, h is the height. Square: A = l 2 where l is the length of a side.

Math For Educator
When Alison and Pamela play chess, Alison wins 60% of the time. If they play a best-3-of-5 series, how many games would you expect to be played before a winner is determined? Use the random digits below which were generated using the command Int(5 × Rand) + 1 on a graphi...

math
A cone is a 3-dimensional shape; the 3-dimensional equivalent of perimeter is area. To find the perimeter of a 3D shape you simple measure all the sides than add the measurement together

Math
Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on (1 + 1)n, which to print the card. Indicate how you made your estimate. How valid was your estimate?

Math
A ship carries exactly 10 different signal flags. If each possible combination and ordering of 4 of these flags connotes a specific message, how many signals can be sent with these flags, taken 4 at a time?

Math/ Probability
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9?

Math
The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons is 0, 1, 2, or 3,with probabilities of 0.84, 0.13, 0.02, and 0.01, respectively. Graph this probability distribution. What is the expected value for...

Math
The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience store is ?

Statistics
The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience store is ?

chemistry
under what condition will the condensation of a liquid be an irreversible process?

Biology
Plants can be drowned just like people can. It can also cause erosion of the nutrient soil and seeds

Chemistry
I'm trying to do this right now too for a lab report and I dont get it at alllllll

9th grade
(2x-1)(x+2)

9th grade
(2x-1)(x+2)

9th grade
(a-8)(a-9)

English 101
Do these two sentences contain misplace and dangling modifiers are there correct. 1.Louise projected the photographs on a large screen that she had taken at the zoo. 2. There is a bracelet at the musuem that is four thousand years old.

English 101
Which sentence contains a misplace and dangling modifier. 1. Determined, Christy Haubegger planned to publish a bilingual magazine for hispanic women. 2.All bundled up in a blanket, the baby outing was a brief one.

English 101
Which sentence is parallel and which is not? 1. Sports fan may disagree about whether going to baseball games or to watch football is more fun, but few people can ignore the importance of sports in America. 2. Some sports fans argue endlessly and with anger about whether footb...

English 101
Which sentence is parallel and which is not parallel. 1. Einstein liked doing mathemathical research more than to supervise a large laboratory. 2.While wrapping the gifts, I noticed that murray, my pet terrier, kept trying to untie the bow.

English 101
Does this sentence contain a misplaced or dangling modifier? The storm did not prevent the undaunted crew from setting sail as planned.

7th grade
can someone plz give me the answer so i can do my homework

7th grade
can someone plz give me the answer so i can do my homework

high school
what about todays society reinforces american civic values

Home Economics- Clothing and Textiles
what are 5 reasons for disposal of fullness on garments?

business help
Which of the following is the most important step to help improve America's business ethics?

medical billing and coding
With which section of CPT codes is the physical status modifier, such as PI for normal, healthy patient, exclusively used? A.Evaluation and Management B.Radiology C.Pathology and Laboratory D.Anesthesia

medical billing and coding
Under CPT guidelines, all services related to a surgical procedure are not additionally reimbured A.before the global period. B.after the global period. C. during the global period. D.during the E/M period.

medical billing and coding
Under CPT's definition, after a consultation, who takes responsibility for the patient's care? A.the referring physician B.the consulting physician C.the PCP D.the specialist

algebra
IN 1988, the number of transmitters in the Intel 386 Sx was 275,000. It has doubled every 24 months since then. Write an equation that predicts teh number of transmitters in a micro processer n years after 1988.

math
[y-(-6)]=

Chemistry
calculate the grams of hydrochloric acid that must be diluted to a volume of 8 liters to produce a concentration of .25 moles

8th grade
Jamie was throwing darts at targets. When his dart landed in the center of the target(the bull eye)and he earned 7 points. However, when his dart landed on the outside ring he earned 2 points. After 50 throws his friend reported his score to be 160 points. Jamie wanted to know...

Economics
Price elastic

Please help me
A car rents for $40 per day plus 20 cents per mile. You are on a daily budget of $92. What mileage will allow you to stay within budget?

Confused
Graph equation by plotting points x=2

Confused
Graph the following equation and identify the y- intercept. y=x+4

Confused
Graph equation 3x-9=3y

Confused
Solve with a solution set 3(3+4x)-6>63

Confused
Use intercept to graph equation -x + 4y =8

Confused
Find the slope of these problems y=-4x+3 and x+6y=12

Algebra
2+48>6x-12

Algebra
3(x+1)-(2x+4_>15-x

Algebra
Explain why the line x = 4 is a vertical line.

history
how important was religion in fashioning early american culture? did the la. purchase raise serious questions of constitutionality? were the republicans acting consistely with their own principles?

205
The New York steak, the Maine lobster, and the beef stroganoff at that restaurant are all exceptionally good. All the entrees are excellent.

Math - 3rd grade
Multiplication: What does it mean to use front-end estimation?

math
i need help with this question can u please show me how to figure this out and show me how you figured out the problem. the question is 1/3 pnut butter sandwiches 1/6 cheese and 9 ham how many total? i assume you mean how many sandwhiches total? in that case just add the fract...

U.S. History
What slowed down the United States entrance into World War one? European countries had been fighting wars off and on for many years. There was a strong feeling in the U.S. that we didn't want to be involved in Europe's wars. Germany was not a direct threat to the U.S. ...

Math(Geometry)
What are the names of polygons? http://www.gomath.com/htdocs/ToGoSheet/Geometry/polygon_name.html

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