Saturday

April 19, 2014

April 19, 2014

Total # Posts: 612

**PHYSICS**

A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of water fly off tangentially. She measures the heights reached by drops moving vertically (see figure). A drop that breaks loose from the tire on one tu...

**Inductively**

how do you do reason inductively evaluate (1)50 explain reasoning?

**Math**

Chelsea had made six of seventeen free-throw attempts. How many consecutive free throws must she make to raise her percentage of free throws made to exactly 50 percent?

**Algebra**

Use symbols to write the expression and then evaluate it Thirty six squared divided by six cubed The given expression symbol is? Evaluate it

**Alegbra **

I need help with this ASAP please Solve D=ABC for B B=?

**science**

if the length of the sting is axactly 9.84cm what is the nearest centimeter and to the nearest tenth of a centimeter

**Math**

Lindsey has 33 coins in her change purse that are either dimes or quarters. If y represents the number of quarters she has, write an expression in terms of y that describes the number of dimes?

**Math**

Write an algebraic expression for 51 less than the product of 133 and c

**Sociology**

Thank you Ms. Sue, I really appreciate your help.

**Sociology**

6. President Eisenhower was a) A supporter of the military industrial complex b) The founder of the military industrial complex c) A general so he must be in favor of the military industrial complex d) Concerned that the military industrial complex would grow too big and power...

**Sociology**

I'm trying to double check my answers. These are the answers I believe to be correct. Please let me know if I am right or wrong. Thank you. . Networking has (Points : 1) a) Increased in importance b) Rely upon electronic communication c) Rely upon personal contacts d) All ...

**Sociology**

Positive informal - Smile, pat on the back Negative informal - Frown, criticize, push away Positive formal - Prize, medal, ceremony Negative formal - Get fired, jail, death penalty

**Sociology**

Positive Negative Informal Smile, Frown, pat on the back criticize, push away Formal Prize, Get fired, medal, ceremony jail, death penalty

**Sociology**

negative?

**Sociology**

When a parent gives a child a time-out for misbehavior, the parent is using what type of sanction? a) Positive formal b) Positive informal c) Negative formal d) Negative informal I'm thinking either (b) or (d)

**Chemistry**

How many carbon atoms are there in a diamond (pure carbon) with a mass of 50 ?

**statistics**

For a population with a mean of 250 and a standard deviation of 47, return each of the following z scores to raw scores on this variable. a. 0.54 b. -2.66 c. -1.0 d. 1.79

**Sociology**

In general, the more resources and supports provided to families and young children: a) The worse a child will fare in the long run, since they need to learn to do for themselves b) The better a child will fare in the long run since what happens early in life sets the tone fo...

**Sociology**

Bullying is an example of a) Peer group pressure b) Desire to conform c) Importance of reference groups d) All of these choices I'm thinking (a)

**Sociology**

Which is true about conducting research? a) It is easy and anyone can do it b) The problem you pick is less important than how you study it c) It is a sophisticated art that scientists learn as they gain professional insights and skills d) It is usually quick and inexpensive I...

**Sociology**

Why is it difficult to obtain population level data? a) It is expensive b) It is time consuming c) It is hard to find everyone in the population d) All of the above I am thinking (c)

**Sociology**

Which type of research will probably cost the most? a) Interviews b) Field research c) Document analyses d) Questionnaires I am leaning towards (b)

**chemistry**

how many cars are there in a long freight train, if it takes the entire train 2.30 minutes to pass a station at 45mph? each car is 40 ft long.there are 5280.0 feet in a mile.

**Logic**

Truth tables can determine which of the following? a) If an argument is valid b) If an argument is sound c) If a sentence is valid d) All of the above

**Logic**

What is the truth value of the sentence "P v ~ P"?

**Logic**

Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students ...

**Logic**

Which of the following may not qualify as a falsifiable claim? a) Your luck will improve. b) Your house will be sold tomorrow. c) Granite is more dense than sand. d) Smoking may cause heart disease. I'm leaning towards (a); however, (c) sounds good too.

**Logic**

A radical skeptic might be willing to doubt which of the following? 3 + 5 = 8 Grass is green. Cheese is fattening All of the above I'm thinking (all of the above), but I'm not sure.

**math**

$4,861.50

**math**

Suppose you borrow $4200 at an annual simple interest rate of 10.5% for a term of 18 months. How much simple interest will you owe? What is the total amount you will have to repay (maturity value)? i am not good at this one working on my problem

**ashford**

At the beginning of 2012, the Jeater Company had the following balances in its accounts: Cash $4,300 Inventory 9,000 Common Stock 10,000 Retained Earnings 3,300 During 2012, the economy experienced the following events: 1. Purchased inventory that cost $2,200 on account from B...

**Math Middle**

In a pet store, 1/6 of the puppies are black and and 1/4 are white. What fraction of the puppies are black or white. My answer is 2/3 of the puppies are black or white.

**english**

We had lost our first three games of the season nevertheless our spirits remain high. I would like to know where should the commas go

**Statistics**

A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?

**math**

Five years ago, you bought a house for $151,000, with a downpayment of $30,000 which meant you took out a $121,000 loan. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information. Escrow paymen...

**Chemistry Grade 12**

volume of oxygen in liters at .91 ml of oxygen

**Chemistry**

Using half reactions, write the equation for MnO4- reacting with H2O2 in acid solution to give Mn2+ and O2

**statistics**

You are designing a study to determine whether music has an effect on learning. Previous research indicates that the standard deviation to learn a task is 3.4 minutes. How many subjects would you need to ensure with 90% confidence that the estimate is within 1 minute of the tr...

**statistics**

For a normal distribution with a mean of 140 and a standard deviation of 55 find each value requested. a. What is the minimum score needed to be in the bottom 10% of the distribution? b. What scores form the boundaries for the middle 75% of the distribution.

**College math**

1.Find the height to the nearest foot of a tree that makes a 50-foot shadow when a 2 ft. 6 in. pole is used to make a shadow of 3 feet.

**science **

A ball of mass m is attached by two strings to a vertical rod. as shown above. The entire system rotates at constant angular velocity about the axis of the rod. a)Assuming is large enough to keep both strings taut, find the force each string exerts on the ball in terms of , m,...

**Basic Statistics **

Historically, the proportion of adults over the age of 24 who smoke has been estimated to be .30. You want to take a sample to estimate the current proportion of adults over the age of 24 who smoke within 3% at 95% accuracy. When you completed the sample you found that 114 of ...

**Math**

Solve for x: logx(121/64)= -2

**college algebra **

solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)

**college algebra**

use properties of logarithms to find the exact value of the expression. sqrtlog81 3

**college algebra**

solve the equation below. Please show all work. log3(x/2-9)=4

**Physical science**

What is the force in newtons acting on a 5.7 kg package of nails that falls off a roof and is on its way to the ground?

**chemistry**

do the (*) mean multiple..or are you using them to seperate the numbers??

**chemistry**

The energy levels the electron can occupy in the He+ ion can be calculated using the energy level equation. Calculate the frequency (Hz) of the photon emitted when the electron goes from a n= 4.00 energy level to a n= 3 energy level. Express answer in scientific notation.

**algebra**

(72÷(-4)+3(-4))/(5-(-5))

**algebra**

(72÷(-4)+3(-4))/(5-(-5))

**algebra**

(72÷(-4)+3(-4))/(5-(-5))

**phsyics**

The electric field intensity between two charged plates is 1.2 103 N/C. The plates are 0.030 m apart. What is the electric potential difference, in volts, between the plates?

**Englis **

She answered (sooner or soonest) of the ten people asked....Which do I use?

**math**

I don't know

**physics6**

F=F ma=ma 64 * a = 42 * 3.5 a= 147/64 = 2.29

**chem**

A steel cylinder of oxygen has a volume of 20.0 L at 22 degree C @ 35 atm. What is the volume @ STP? How many of oxygen are in the container?

**Chem**

20degree C solubility-22g CuSO4/100g H2O @ 20 degree C is 30g CuSO4/150g H2O saturated or un saturated?

**chemistry**

something connects a 16 resistor, 23 resistor, and 34 resistor in series and then connects the arrangement to a 36 v dc source. how much current is in the circuit?

**Chem**

if salt has the solubility product expression Ksp={Br3+}2{S2-}3 what is the equilibrium equation for the solubility?

**Chem**

@20 degree solubility-22g Cu SO4/100g H2O @ 20 degree C is 6g Cu SO4/25 g H2O saturated?

**Chemistry**

20 degrees C is 6 g Cu So4/25 g H2O is this saturated or unsaturated?

**physics**

a sailor pulls a boat along a dock by a rope held at an angle of 55.5 with the horizontal. How much work is done if the sailor exerts a force of 345 N on the rope and pulls the boat 23.8 m?

**chemistry**

When potassium chlorate is heated, it decomposes into potassium chloride and oxygen in the reaction 2KCIO3 -> 2KCI + 3O2. How much oxygen is liberated when 50 g of potassium chlorate is heated?

**college allgebra**

find only rational zeros f(x)=x^5-9x64+21x^3+11x^2-100x=100

**Science**

The biochemical conversion of Glucose, C6H12O6, into pyruvic acid, C3H4O3, is an important step in the TCA (Kreb’s) cycle which forms a part of the metabolic breakdown of glucose (to produce energy). C6H12O6 (s) + O2 (g) → 2C3H4O3(l) + 2H2O (l) glucose oxygen pyruvi...

**maths**

in a number of tests juan scored 42,54,63,42,78.What is the median mark

**Physics**

Hi Bob, Thank you for responding so quickly. And sorry to hear about your allergies. They are not fun! The exact question was : normalize the following functions in the interval 0 to infinity: a) e^-5x. The answer my instructor has is 10^1/2 e ^-5x as the answer but I don'...

**Physics**

Can someone please show me step by step how to normalize e^-5x in the interval (0, infinity)? I have read a lot of different books etc but need it explained to me in plain English or showed to me step by step because I am just not getting it. Thank you

**english**

find the oject and preposition in this sentence. a chimney sweep uses a long brush to clean soot from the inside of a chimney.

**Biology**

is the reaction of calcium chloride with sodium carbonate ionic or covalent

**Physical chemistry**

help! I am trying to figure out how to convert from equation one to equation two. I have spent two hours on this and cannot figure it out. I would greatly appreciate if someone could help me out on this. Equation1: v= sqr root (3RT/M) with R being the molar gas constant, M bei...

**ETH/125 - CULTURAL DIVERSITY **

List two to three characteristics of Orientalism. How may Orientalism and prejudice contribute to hate crimes against these groups?

**algebra**

If a baseball player hits a homerun and runs the bases, what is his displacement?

**algebra**

Thank you for you answer Ms Sue.

**algebra**

Iam wanting help i do not want you to do it for me. I just needed it broken down in order to answer Thank you for your help.

**algebra**

3. Moving Costs Moving company A charges $80 plus $55 an hour to move households across town. Moving Company B charges $75 an hour for cross-town moves. For what lengths of time is Moving Company B more expensive than Moving Company A? Write an inequality and solve for time t....

**math**

at a local restaurant 45% of the customers order spaghetti. Estimate the probability that 6 of the next 10 customers will order spaghetti.

**history**

what were vietcong hideouts?

**Business Finance**

The new credit manager of Kay's Department store plans to liberalize the firm's credit policy. The firm currently generates credit sales of $575,000 annually. The more lenient credit policy is expected to produce credit sales of $750,000. The bad debt losses on additio...

**history**

Describe Rosa Parks in one paragraph

**Algebra**

if p-28=10/3(h-5) how in the world do I figure out how many pounds of oranges a 18ft & 20 ft tree would make. I can get this far and just can catch onto the rest. Please help!

**Math**

Which one is a function? {(7,5),(-6,0),(2,3)} {7,-6,2,-7} I think its the first one.

**Algebra**

Factor the following expression completely: 36^3-16x

**Algebra**

Express in terms of i:2√-36

**Algebra**

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = -36, 4x + 4y = 12

**Algebra**

If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 290, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest hundr...

**Algebra**

Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x2 = 3x – 6

**algebra**

if the length of a triangle is 31 find a new parameter if the width is 5 less than one half the length

**computer science**

Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.

**Algebra**

write an equation of the line containing the given point and parallel to the given line (2,-4); 8x-3y=2 the equation of the line is y=

**Algebra**

the formula I'm suppose to be using is y-y1=m(x-x1) m=4/5 (7,-8) I don't understand your answer

**Algebra**

Find an equation of the line having the given slope and containing the given point. M=4/5, (7,-8) I can totally due the equation y+8=4/5x-28/5 but keep getting the answer wrong. I cannot figure out how subtracting 8 they get the answer y=4/5x-68/5 PLEASE HELP!

**statistics**

A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean. Find the probability that the estimate will be in error by less than 5 minutes. Assume that the populatio...

**American Government**

The president's constitutional roles,such as chief executive and commander-in-chief:

**calculus**

I need help with this calculus problem. H(S)=S/(1+S) If F 1/2, -1/2 & (a+1)? I can't figure out what this mean /?

**Com/155**

Does this look better? I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me fully understand my finances. With s...

**Com/155**

I am so confused. Is this correct? extremely, extremely, fully, sparingly = adverb younger, credit, card,much, faster, interest, financial, important, credit = Adjective

**Com/155**

extremely, extremely, fully, sparingly = Adj younger, credit, much, faster, interest, financial, important, credit = Adv

**Com/155**

Can some one check these for correct advebs and adjectives. I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me...

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