Tuesday
July 29, 2014

Posts by judy


Total # Posts: 287

Math
A club has three different committees each of which needs a chairperson. How many ways can the chair people be selected if only 10 people are eligible for these positions, and no one can chair more than two of the committees

Math
Each digit of a four-digit PIN can be any number from 0 to 9. What is the percentage of PINs with no digit repeated more than twice?

History
what was true of the secretary of state William henry seward

Math
Oh I see. Thank you

Math
What does it mean instead of at the top, the power is at the bottum Like instead of 2^4 The 4 is wrote smaller and below and beside the 2

Math
Determine the largest possible integer n such that 942! is divisible by 15n.

Math
Rationalize the denominator and write your answer in lowest terms (2 √ 6 + √ 3)/ ( √ 6- √ 3)

Math
Help please

Math
If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?

Math
In a circle whose radius is 13 cm, a central angle intercepts an arc that measures 65o. What is the arc length? Round your answer to the nearest hundredth of a centimeter.

Math
The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?

Physics
A cannonball is dropped overboard from a boat. The cannonball sinks toward the bottom of the sea. The mass of the seawater displaced by the cannonball is exactly 2/3 the mass of the cannonball. Find the velocity of the cannonball after 10 seconds after being dropped.

Corporate Finance
Bond price: Briar Corp is issuing a 10-year bond with a coupon rate of 7 percent. The interest rate for similar bonds is currently 9 percent. Assuming annual payments, what is the present value of the bond? (Round to the nearest dollar.) $990 $872 $1,066 $945

math
a right triangle has a hypotenuse that is 59 miles long. One side is 1.05 longer than the other. What are the lengths of the two legs

chemistry
A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

statistics
The height of an adult male is known to be normally distributed with a mean of 69 inches and a standard deviation of 2.5 inches. The height of the doorway is 74 inches. What proportion of adult males will not fit under the door?

physics
the barge is like a carrier that is used on rivers to ship things.

physics
a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?

english
What is a good thesis statement according to the disagreement of gay marriage?

algebra
need help with this problem. -(2x-(5x+2)-2+(2x+7)

statistics
Assume that thermometer readings are normally distributed with a mean of 0.0 and a standard deviation of 1,00. the thermometer is randomly selected and tested. For the case below, draw a sketch , and find the probability of the reading The given values in Celsius degrees) Betw...

Physics
A hammer is accelerated at 13 rad/s^2 at a radiius of rotation of 1.5 m. the tangential hammer speed is 20 m/s. a)Determine the angular velocity of the hammer b)the magnitude of the radial component of its linear acceleration c)the magnitude of the tangential component of its ...

quantum physics
The variance σX^2=⟨(X^−⟨X^⟩)^2⟩ of an operator, X^, is a measure of how large a range its possible values are spread over (the standard deviation is given by σ=sqrt(&I...

quantum physics
Suppose a particle has wavefunction ψ(x,t=0)=Aexp−(x^2/2l^2). What is the average value (expectation value) of p^, ⟨p^⟩, for this state at t=0?

quantum physics
Can anyone help me to solve this problem? Suppose we have a particle in 1-dimension, with wavefunction Ae^(-|x|/2d). What is the probability to find the particle in the interval [0,d]? Please provide your answer in terms of A, d, mathematical constants such as π (entered ...

quantum physics
Can anyone help me to solve this problem? Suppose we have a particle in 1-dimension, with wavefunction Ae^(−|x|2d). What is the probability to find the particle in the interval [0,d]? Please provide your answer in terms of A, d, mathematical constants such as...

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

lol
During the bitter struggle over reconstruction policy, Congress overrode Johnson's veto of the

math 4th grade
thank you

math 4th grade
I have to follow the pattern .125, .25, .375, .5 ?

math
What percent of the first 50 positive integers contain no odd digits?

Medical Office
As a medical office manager what is a fun slogan or buzzwords that I could use to help my employees to remember the coding process the types of procedures and each three CPT categories?

college Chemisrty
at what kelvin temperature will 25.2 of xe occupy a volume of 645 L at pressure of 732 torr?

Ethics and social responsibility
You work hard in your office overtime weekends and early mornings.you get paid well but despise that your coworkers are getting paid the same pay for less work then what you are doing and get promoted ahead of you.

college Chemistry
What would you expect to be the chemical names of the main gases that were dissolved in the tap water?

college Chemistry
Conductivity test, what controls the brightness of the light? (hint: think about your tapwater abd NaCl results and why they were different)

College Chemistry
I assume you are looking to predict the solution of the salt. yes Bob

College Chemistry
Yes

College Chemistry
What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?

Chemistry
one morning you are given 3 test tubes of aqueous solutions of compound X: the "A" tube was set up as unsaturated, while "B" was set up as Saturated in a beaker, then poured of into the tube, and "C" was carefully set up as supersaturated. At lunc...

Chemistry
What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?

Mathabatha
Ways in which xenophobia impacts in our communities

Calculus
2x+18x^-3

College Chem
charles law: 7.89 l sample of gas had pressure of 850 torr. what volume will it occupy if the pressure is changed to 457 torr? (torr is a measurement of pressure. 760 torr = 1 atmosphere

Chemistry
Need type of reaction and balance of (NH4)2S+CuSO4=

Chemistry
(NH4)2S+CuSO4=

life orientation
discuss in a paragraph of 150 words way in which flood,earthquake nd drought can takes responsibility to provide safe and healthy living environment

College Chemistry
The Water loss by the sample, and the percent by weight of water in the unknown hydrates is 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?

Chemistry
The water loss by the sample, and the precent by weight of the water in the unknown hydrates 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?

Chenistry
which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?

Stats
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. 1. One of the petals is 0.2 cm wider th...

Stats
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. 1. One of the petals is 0.2 cm wider th...

grammar
Is saying "she's sitting in back of me" poor grammar.

Eng1511
The writer is the guy who fell in love with this young girl Mimmy who was a tenant with the writers friend is whre he saw Mimmy. She was a young girl who was committed to her studies with regards to the writer en his friend Mimmy would only greet them en go her own way while t...

life orientant
Discuss5 ways in which the teenage pregnapregnancy prblem impacts on the comcommunity.provide relevant sources to. Support your claims

Physics
A diverging lens has a radius of curvature of 6 cm. A 2 cm high object is placed 5 cm in front of the lens. Find: Si , Di , and draw the situation.

math
ok thank you for trying to help me

math
sorry miss sue it was attended for you I apologize

math
cause Jared and I are working on math together are you the HOMEWORK POLICE?

math
so it is 1 1/4?

math
5 3/4 + 6 2/4 = 11 10/8 not sure what do from here?

math
27?

math
3 7/9 x 6 2/5= I have to estimate?

Math
Thank you

math
jenna lives 4 3/10 miles from school. She estimates that she travels 4x2x5 or 40 miles each week. Is her estimate an overestimate or an underestimate? explain.

Math
I don't know if your not going to help me then don't post on my site

Math
5 3/4 + 6 2/4 = I need to show my work

math
2/3 x 5/6 x 14 =

math
Brittany is making trays of fudge. her recipe calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 27 batches of fudge I need to show how I got this answer

math
7/8 x 4/5 = I got 28/40 so is it 7/10

math
what would 3/4 be closet to 0,1/2 or 1

Astronomy
buenos aires and sydney are both at latitude 34 south but buenos aires is at longitude 58 west and sydney is 151 east. how many hours after passing through the zenith in buenos aires will it pass through the zenith in sidney?

economics
Select a product and for that the government places a mandated price ABOVE the equilibrium price, based on your research how would this affect the market equilibrium, explain your view.

math
how much money must you deposit into an account that earns 3% monthly to have $1000 after 4 years

Accounting
which of the following is true: cash flow data is superior to earnings under the accrual basis in predicting long-term performance of an entity, earnings under the accrual basis is superior to cash flow data in predicting short-term performace of an entity, earnings under the ...

algebra
A weather balloon is directly west of two observing stations that are 10 miles apart. The angles of elevation of the balloon from the two stations are 17.6 degrees and 78.2 degrees. How high is the balloon?

yeah
a farmer wants to fence in three sides of a rectangular field with 1,000 feet of fencing. the other side of the rectangle will be a river. find the dimensions of the field.

human services
Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing.

math
you have 6 pennies and get 4 in all. How many do you have

Financial
assume a $1000 face value bond has a coupon rate of 8.5 percent pay interest semi-annually, ahd has an eight-year life. if investors are willingto accept a 10.25 percent rate of return on bonds of similar quality, what is the present value or worth of this bond?

math
Kyra drove to visit her friend. She traveled 144 miles in 2 5/8 hours. What was her average speed?

fourth grade math
A plan for a playground is a square shape witha perimeter of 32 units. What would be the area of this playground in square units? Explain how you get the answer using pictures, numbers, or words

math
when ordering supplies , mr.williams accidentally ordered 12 more than twice his usual number of pencils.when the order arrived , he recieved 60 pencils. how many pencils does mr.williams usually order?

Chemistry - Enthalpy reactions
2 NO + O2 -> 2NO2

Physics
A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40 kg girl on skates. Assuming they cling together after the collision, what is their speed?How much kinetic energy was lost in the collision?

Math
What is the estimate of 2/9 x 17 1/2?

Statistics
A planner wants to determine the percentage of students who will attend summer classes. She surveys 32 students and finds that 12 will return for summer classes. Construct a 90% confidence interval estimate for the proportion of students who will return for summer classes.

info literacy
What would a careful researcher ask about a Web site called "Facts about pesticides and health" published by the Coalition for a Chemical-Free Environment?

11
How do I work this problem? Flying with the wind, an airplane can travel 1080 miles in six hours, but against the wind, it goes 360 miles in half the time. Find the air speed and wind speed

statistics
A new restaurant with 123 seats is being planned. Studies show that 63% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?

4th grade Math
1x9

SOCIAL STUDIES
What is "General Sherman",located in Sequoia National Park?

SOCIAL STUDIES
The Super Bowl trophy is named after Vince Lombardi the head coach of what norther NFL Team?

physics
A jogger jogs around a circular track with a diameter of 130 meters in 27 minutes. What is the distance around the track?

math
bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?

algebra
what is a variable change and a constant change?

Physics
A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/hour. The kayak's velocity is 3 km/hour. What is the magnitude of the kayak's velocity relative to the river bank?

Math
How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6

Math
How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6

Literacy 2
What would a careful researcher ask about a Web site called "Facts about pesticides and health" published by the Coalition for a Chemical-Free Environment?

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