Saturday

April 19, 2014

April 19, 2014

Total # Posts: 289

**Statistics **

The distribution of cholesterol levels of the residents of a state closely follows the normal curve. Investigators want to test whether the mean cholesterol level of the residents is 200 mg/dL or lower. A simple random sample of 12 residents has a mean cholesterol level of 185...

**Statistics **

A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true? Pick all that are correct. The null hypothesis is true. There is about a 3% chance that the null hypothesis is true. The alternative hypothesis is true. There is abo...

**log[1/6](x^2+x)-log[1/6](x^2-x)=-2**

Solve the equation log[1/6](x^2+x)-log[1/6](x^2-x)=-2

**Solve the inequality**

Solve the inequality. Write the solution in interval notation. (x+14)/(x-8)≥ 1

**math**

what is 8/16 of 16 counters

**MATH.**

Oh wait so that ; means its not part of the problem so its asking what the X and M is? Now i think i get it lol

**MATH.**

Wait so the first one is -1? Im so confused right now

**MATH.**

7=2-5m; m= X+ 0.054= -1.802; x= If u can help me out or answer these for me u arr awesome and thank you.

**College Algebra**

The load L a horizontal beam can safely support varies jointly as the width w and the square of the depth d and inversely as the length l. If a 12-foot beam with width 6 inches and depth 8 inches safely supports 600 pounds, how many pounds can a 14-foot beam that has width 5.5...

**math**

what are two equivalent fractions for 10/13??

**Science**

Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).

**Physics**

A rubber ball (mass 0.30 kg) is dropped from a height of 2.0 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.9 m/s. (a) What is the magnitude and direction of the impulse imparted by the floor to the ball? MAGNITUDE: 3.05 kg m/s V1 (velocity bef...

**Chemistry**

A 15.0 mL sample of 0.250 M H2SO4 is neutralized by 20.5 mL of KOH solution. What is the molarity of the KOH solution?

**please help with economics!**

Hi, please help me with this econs question! thanks! I'm asked to sketch the average and marginal cost curves of a software company, in which when it first starts up, the costs are extremely high. (High start up costs, millions of dollar spent to make the software)But afte...

**Economics**

Hi, please help me with this econs question! thanks! I'm asked to sketch the average and marginal cost curves of a software company, in which when it first starts up, the costs are extremely high. (High start up costs, millions of dollar spent to make the software)But afte...

**HISTORY**

why did the clergy support Martin Luther's ideas?

**HISTORY**

what 3 major beliefs were at the hear of Martin Luther's teachings?

**math**

add the last numbers in each number such as your example, 3+5+4+7 and if that's odd then the total is odd same for even

**history**

where did martin luther start his revolution?

**math**

19%

**nursing**

What would a women with type 1 diabetes test glucose score be is she did not fast 2 hours prior?

**Healthcare**

As the administrator of a local nursing home, you have just received notification that the organization is being purchased by a national group. Because of new policies to be implemented, many of the residents will be displaced. To make the situation more challenging, some of t...

**Case Study**

Identify and give examples of three techniques you would use to explore Sally's story. Your examples should be worded as if you are actually speaking to the client. What goals would you want to identify for Sally, based on the information available? Explain why you chose t...

**l.o**

Unprotected sex

**math**

one third of the people in a convention room are seated in three-fourths of the chairs. THe rest of the people in the room decide to stand. If there are 8 empty chairs, how many people are standing? Please fully explain because i am sooo confused!!!

**physics**

Essay on how accleration due to gravity is used to benefit mankind

**Spanish**

Thank you SraJ McGin for answering and checking them

**Spanish**

¿Cómo son las monedas de pesos mexicanos?We had to do a reading and type the answers-not sure about this question Hay monedas de un peso, cinco pesos, diez pesos y de centavos. ¿En cuáles países se usa el dólar estadounidense? Panam&aa...

**Calculus**

1. The problem statement, all variables and given/known data a ball is thrown straight down from the top of a 220 feet building with an initital velocity of -22ft/s. What is the velocity of the ball after 3 seconds? What is the velocity of the ball after falling 108 feet? 2. R...

**Finance**

Use your knowledge of balance sheets and common-size statements to fill in the missing dollar amounts: ASSETS Cash $25,000 3.4% Accounts receivable $125,000 _____ Inventory _______ 27.1% Total current assets $350,000 ______ Gross plant and equipment _______ 95.0% Less: accumul...

**Finance**

Find the future value one year from now of a $7,000 investment at a 3 percent annual compound interest rate. Also calculate the future value if the investment is made for two years.

**statistics**

Test the hypothesis that for the population of students in this professor's classes each additional homework problem complete leads to an increase of at least 2 points on the quiz versus the alternative that the increase is less than 2 points. Allow for 5% type 1 error. Qu...

**Psycholofgy**

B is the correct answer. I took a quiz with the exact question and I got the correct answer.

**Psychology**

but the answer is B. you are correct.

**Psychology**

Typically, patterns begin during adolescence or even childhood. They are deeply rooted and usually span many years.

**Psychology**

I would say B delusions: A person holds false beliefs they insist are true, regardless of how much the facts contradict them. Delusion of influence is when people feel they are being controlled or influenced by others or by unseen forces.

**math- quick help!**

The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please, please, please help me!!!

**Alegbra**

The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please help me!!!

**statistics**

Using measures of center and measures of variability compare the number of hours on school work (Q11) and the number of hours watching television (Q14). a) Which variable has greater variability? How do you know? b) What number of hours on school work would be at the 10th perc...

**statistics**

From the MM207 Student Data Set identify the following: a) A variable measured at the nominal level of measurement. b) A variable measured at the ratio level of measurement. c) A variable measured at the ordinal level of measurement

**physics**

If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity? 79N so... What will be the net force acting on the crate? What will be the acceleration?

**Science**

If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity?

**MATH! URGENT!!!**

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's champ...

**8th grade math**

can somebody please help me!?! this is urgent!

**8th grade math**

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's champ...

**algebra 1**

since you're sampling a fifth of the light-bulbs, then you would times 21 and 5 to get 105 defective light-bulbs

**MATH**

i still don't understand how you got that

**MATH**

There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's champ...

**MATH**

A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take ha...

**math**

umm... can you please explain

**math**

A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take h...

**math**

thank you!!!

**math**

3 boxes are in a room. You know that one contains apples, one contains oranges, and one contains both apples and oranges, nut you don't know the contents of the specific boxes. The boxes are labeled, "apples," "oranges," and "apples and oranges,&qu...

**math**

three boxes are in a room. You know that one contains apples, one centains oranges, and one contains a mixture of apples and oranges, but you don't know the contents of the specific boxes. The boxes are labeled "apples","oranges", and "apples and o...

**alegbra**

2x=x+7

**Any**

Thank you all

**Any**

Anyone know anyone that I could find in the internet who never gives up?

**science**

how do hurricanes form?

**Math**

1/2= 4/8 if each runner runs 1/8 then there are 4 runners

**MATH!!!**

umm i still don't understand

**MATH!!!**

A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?

**math**

A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?

**MATH**

make an input-output table for the equation y= -x-2 using the domain 0,1,2 and 3. Tell whether the table represnts a function. How do you do this?

**MATH**

ooohhhhh! I get it now! thanks so much!

**MATH**

wai the height of the pyramid is 3 times the height? Can you just show how you got it with numbers like how you would on a piece of paper. Thanks!

**MATH**

the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.

**math**

can someone please help me!?!

**math**

the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.

**mAtH**

a cylindrical barrel is 2.8 feet in diameter and 8 feet high. If a cubic foot holds about 7.5 gallons of liquid, how manygallons of water will this barrel hold? Aghhhh! I completely don't get it!!

**MATH**

so the answer is 0.817 gallons when you round to the nearest tenth?

**MATH**

There are 231 cubic inches in a gallon. A large juice can has a diameter of 6 inches and a height of 10 inches. How many gallons of juice does the can hold? Round your answer to the nearest tenth. I am clueless please please help me!!!!

**math **

wait then what is the 4 for? please explaina little more

**math **

At the county fair, the apple pies are lined up side-by-side for juding on a 6-foot table. Each pie has an area of 50.24 inches squated. How many pies are on the table? I don't understand how to solve this problem. Please explain and show me how step-by-step. tHANK YOU!

**math**

wait so after you find the areas you subtract the reservoir from the garden to get the answer?

**math**

i am still confused so you find the areas of both circles, but whats the formula? pi times r times 2? please help me!!!!!

**math**

There is a water reservoir beneath a circular garden to supply a fountain in the garden. The reservoir has a 26-inch diameter. The garden has a 12-foot diameter. How much of the garden doesn't contain the water reservoir? I have no idea how to do this please explain!!!

**math!!**

thank you Reiny and Ms. Sue!! I wouldn't be able to make it through my math class without you!

**math!!**

a triangular road sign has a height of 8 feet and a base of 16.5 feet. How much larger in area is this sign than one with a height of 4 feet and a base of 8.25 feet? Please fully explain how you got this cause i'm really confused!!!

**math**

can you answer my question above about the triangular road sign? If you could that would be AWESOME!!!

**math**

thank you soo soo much!!! =)

**math**

wouldn't your width be 6.1 inches?

**math**

a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it? Please explain how you got please!!!

**math**

thank you!!!

**math**

i'm rather in a rush so could you please answer my question and explain? thank you

**math**

a triangular road sign has a height of 8 feet and a base of 16.5 feet. How much larger in ares is this sign than one with a height of 4 feet and a base of 8.25 feet? Please explain fully and show how you got the answer.

**math**

thank you very much

**math**

if you could i would ask you if you can please answer asap because i have tons of homework tonight

**math**

a back yard is shaped like a parallelogram with a height of 32 feet and a base of 100 feet. One bag of grass seed covers 125 square feet. What is the least number of bags of seed needed to seed the lawn? Also, please explain how you got it.

**math**

how do you find the volume of a parallelogram?

**algebra 2!**

Evaluate the piecewise function f(x)= 7 if x is < or equal to -4; -14 if -4<x<orequalto 3 for x =-5 and x=8; -8 if 3<x

**algebra 2!**

A swimmer is racing to the other side of the pool. The pool is 75 feet long. The swimmer travels 2.5 feet per second. Create a table, equation, and graph to represent the swimmer's distance to the other side of the pool with relation to time. When will the swimmer reach th...

**algebra 2!**

Given f(X)=the square root of x-2 and g(x_=6/x-3 (+1), write the composite function g(f(x)) and state its domain. Where is the resulting function defined?

**Chemistry**

6) is 34 g CH3OH

**Alegbra**

Perform the indicated operations of 5/8-(2-7)

**math**

what is the average total 0f 60 90 and 120

**Technology**

If you were a housing contractore how would you go about avoiding structure failure in the house that you build in terms of:1 poor design 2 incorrects choice of materials 3 poor workmanship

**College Chemistry**

Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution

**Chemistry**

Find the pH of a solution prepared by taking a 50.0 mL aliquot of a solution prepared by dissolving 12.25g of NaOH and 250.0 mL of water and diluting that aliquot to 1.00L?

**Trig**

How do you convert rectangular equations into polar equations? If x4−y4=xy , then r2=atan(b); What is a? What is b?

**Trig**

How do you convert 36x + 7y = 8 into y=mx+b format?