Thursday

December 8, 2016
Total # Posts: 79

**Math**

Use the properties of logarithms to find the value the following expression. log3 9^4 the answer options are a. 2 b. 4 c. 6 d. 8 e. 10 I got 4?

*August 17, 2016*

**Math**

Assume that x,y and a are positive numbers. Use the properties of logarithms to write the following expression - log a x^6 y^7 a. 42log a x+y b. 42log a x+7log a y c. 6log a x+42log a y d. 6log a x+7log a y e. 6log a x+6log a y

*August 17, 2016*

**Physics**

Initially a battery circuit consists of a 25 ohm load connected to a battery with 3 ohms of internal resistance and the circuit draws 1.5A of current. What is the terminal voltage and EMF of the batter? How much (%) power is wasted? Please help, this doesn't make sense ...

*April 20, 2016*

**Physics**

Am I supposed to take the x and y component for each, then add them together to determine the overall force on q1? that would suggest I need to determine all the angles as well?

*April 18, 2016*

**Physics**

one charge of +10 uC is placed at the origin, a second charge of +5uC is placed at (2cm, 4cm) and a third charge (-15 uC) is placed at (4cm, 1 cm). What is the magnitude and direction of the electric force exerted on the first charge by the other two? I drew out the triangle, ...

*April 18, 2016*

**Algebra**

It took 4 hours for a biker to travel from one city to another going at a certain speed. On the return trip, the biker traveled at the same speed for the first 100-km and then for the rest of the trip he traveled at a speed which was 10 km/hour slower than the original speed, ...

*April 4, 2016*

**Algebra**

2 hour 40 min after a raft left pier A and traveled downstream, a motorboat left pier B and traveled upstream toward the raft. The two met 27 km away from B. Find the speed of the raft if the speed of the motorboat in still water is 12 km/hour and the distance from A to B is ...

*April 3, 2016*

**Science**

1.Explain the process of succession. 2.Describe how changes in an ecosystem can affect organisms that live there. 3.Describe the amount of time needed for ecosystem recovery If anyone would help me that would be great, websites, answers, anything at all.

*March 11, 2016*

**Math**

I am a little confused with this: How do I change 8 1/3% into a fraction? Can someone explain or show me so I can understand? Thanks

*February 13, 2016*

**trigonometry**

From a window 20m above the ground, a person could see the top of the house across the street at an angle of elevation of 5 degrees. The angle of depression to the base of the house was 15 degrees. What is the height of the house?

*January 25, 2016*

**Math**

1. Write an equation that is Parallel to Y=3/4x+4 and that goes through (0,7)

*January 19, 2016*

**Math**

X= -8 Y= -2x-12 Find the coordinates

*December 18, 2015*

**Perry **

The sum of two numbers is 15 the sum of the squares of the same two numbers is 172 fined the difference between the two numbers

*November 4, 2015*

**Probability**

any ideas for c?

*May 25, 2015*

**probability**

Consider a Markov chain {X0,X1,…}, specified by the following transition probability graph. P(X2=2∣X0=1)= - unanswered Find the steady-state probabilities ð1, ð2, and ð3 associated with states 1, 2, and 3, respectively. ð1= - unanswered ð2= - ...

*May 16, 2015*

**probability**

For each one of the following definitions of the state Xk at time k (for k=1,2,…), determine whether the Markov property is satisfied by the sequence X1,X2,…. A fair six-sided die (with sides labelled 1,2,…,6) is rolled repeatedly and independently. (a) Let ...

*May 16, 2015*

**statistics**

EXERCISE: POSSIBLE VALUES OF THE ESTIMATES Suppose that the random variable È takes values in the interval [0,1]. a) Is it true that the LMS estimator is guaranteed to take values only in the interval [0,1]? b) Is it true that the LLMS estimator is guaranteed to take ...

*April 14, 2015*

**statistics**

Suppose that fÈ and fX|È are described by simple closed-form formulas. Suppose that È is one-dimensional but X is high-dimensional. a) Suppose that a specific value x of the random variable X has been observed. Is it true that the calculation of the LMS ...

*April 14, 2015*

**probability**

As in the previous exercise, let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is uniformly distributed on [0,1]. Let K be the number of Heads in 9 independent tosses. We have seen that the LMS estimate of K is E[K∣&...

*April 14, 2015*

**probability**

Let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is uniformly distributed on [0,1]. Let K be the number of Heads in 9 independent tosses. By performing some fancy and very precise measurements on the structure of that ...

*April 14, 2015*

**statistics**

Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0<z<1, fZ(z)= 1 - unanswered 1 Let Z=max{2X,Y}. Find the PDF of Z. Express ...

*April 1, 2015*

**probability**

Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0<z<1, fZ(z)= 1 - unanswered 1 Let Z=max{2X,Y}. Find the PDF of Z. Express ...

*April 1, 2015*

**College Algebra**

What is the amount at the end of 3 years of an investment of Php 1000 given that the annual interest rate is 8 % and is compounded annually?

*February 20, 2015*

**College Algebra**

Let f(x) = (2/4^x + 2) for real numbers x. Evaluate f(1/2001) + f(2/2001) + ... + f(2000/2001).

*January 23, 2015*

**math **

a baseball played 120 games during a season. The ratio of the number of games won to the total number of games played is 2/3. how many games did the team lose during the season? 120/1=2/3 360 divided by 2=180 or 120/x =2/3, 120 divided by 2 = 60

*December 11, 2014*

**Math**

what is the probability if you had to draw from a bowl twice which had four 1 dollar bills and 1 ten dollar bill.

*June 10, 2014*

**Maths Probability**

any ideas for c?

*May 20, 2014*

**probability**

part 3: LMS estimate of T2 = 0.48 part 1: alpha = ?

*April 3, 2014*

**FINANCE**

Assume the returns from holding small-company stocks are normally distributed. Also assume the average annual return for holding the small-company stocks for a period of time was 16.5 percent and the standard deviation of those stocks for the period was 32.5 percent. Use the ...

*April 2, 2014*

**Financial **

Cochrane, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $1,860,000. The fixed asset falls into the three-year MACRS class (MACRS Table). The project is estimated to generate $1,950,000 in annual sales, with costs of...

*March 24, 2014*

**Finance**

Cochrane, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $1,860,000. The fixed asset will be depreciated straight-line to zero over its three-year tax life, after which time it will be worthless. The project is ...

*March 24, 2014*

**Finance**

Handy Enterprises has gathered projected cash flows for two projects. Year Project I Project J 0 –$215,000 –$215,000 1 104,000 75,000 2 93,000 86,000 3 79,000 96,000 4 72,000 105,000 Requirement 1: At what interest rate would the company be indifferent between the ...

*March 19, 2014*

**Finance**

Handy Enterprises has gathered projected cash flows for two projects. Year Project I Project J 0 –$215,000 –$215,000 1 104,000 75,000 2 93,000 86,000 3 79,000 96,000 4 72,000 105,000 Requirement 1: At what interest rate would the company be indifferent between the ...

*March 19, 2014*

**Finance**

You want to save $200 a month for the next 24 years and hope to earn an average rate of return of 11 percent. How much more will you have at the end of the 24 years if you invest your money at the beginning of each month rather than the end of each month?

*February 25, 2014*

**Finance**

Karl can afford car payments of $235 a month for 48 months. The bank will lend him money to buy a car at 7.75 percent interest. How much money can he afford to borrow?

*February 25, 2014*

**math**

The basketball team won 21 games. Thisbis 25% of the games they played. How many games did the team play?

*February 25, 2014*

**Finance**

Crossfade Co. issued 15-year bonds two years ago at a coupon rate of 6.9 percent. The bonds make semiannual payments. Required: If these bonds currently sell for 94 percent of par value, what is the YTM?

*February 25, 2014*

**Finance**

First Simple Bank pays 6 percent simple interest on its investment accounts. First Complex Bank pays interest on its accounts compounded annually. Required: What rate should the bank set if it wants to match First Simple Bank over an investment horizon of 10 years?

*February 19, 2014*

**Finance**

You have arranged for a loan on your new car that will require the first payment today. The loan is for $32,000, and the monthly payments are $620. Required: If the loan will be paid off over the next 60 months, what is the APR of the loan?

*February 19, 2014*

**curriculum development**

The answer is "C" Small and Sheltered. I promise

*March 19, 2013*

**math**

Minding Their Manors

*January 24, 2013*

**physics**

They want you to decide whether or not the truck driver was actually going 1o mph or not. What I have so far is v2=(m1v1)/-m2 or v2=(1500kg x 16.093 km/hr)/-2500 kg which gives -9.6558 However, that seems to simplistic so it's probably super wrong.

*November 26, 2012*

**physics**

During winter break, the police department in your hometown asks you to consult in the investigation of a traffic accident that occurred in a large parking lot. It seems that a car was backing out of a parking space when a pickup truck plowed straight into it from behind. The ...

*November 26, 2012*

**english**

# 2 is a

*September 12, 2012*

**math**

After its fastest rate of growth ever during the 1980s and 1990s, the rate of growth of world population is expected to slow dramatically in the twenty-first century. The function G(t) = 1.58e−0.213t gives the projected annual average percent population growth per ...

*July 19, 2012*

**Calc**

b) Take derivative and plug in 9?

*July 19, 2012*

**Calc**

The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 210(1 − 0.94e^−0.2t). (a) What is the length of a typical 9-year-old Pacific halibut? cm (b) How fast is the length of a typical 9-year-old Pacific halibut increasing? cm/...

*July 19, 2012*

**Physics**

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C? 94.4cm3 was the answer I put and I was wrong. Can someone help?

*June 22, 2012*

**Physics HELP!**

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C? 94.4cm3 was the answer I put and I was wrong. Can someone help?

*June 21, 2012*

**physics**

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C?

*June 20, 2012*

**Math**

What is the solution of -6r-5=7-12r?

*March 8, 2012*

**5th grade algebra**

5x-2y-3x=3X+7

*September 15, 2011*

**Science**

Thankss but i can't seem to find what kind of species that are in it

*June 2, 2011*

**Science**

Help with Fungi Kingdom Homework? can someone help me with the following : The phylum that i chose was Zygomycota in the Fungi kingdom. and i need help with these questions 1) pick 2 different species to talk about in detail 2) create a food web for the particular species 3)...

*June 2, 2011*

**Literary Analysis and Composition**

Allie did you submit these answeres whad you get?

*January 20, 2011*

**The Crucible Crossword Puzzle question**

Bitter

*October 30, 2010*

**7th grade**

Erm how does this site wrk?

*October 29, 2010*

**SOCIAL STUDIES**

I AM TRYING TO UNSCRAMBLE THESE LETTERS TO FIND AN ISLAND GROUP? HCRAITELAOG

*September 27, 2010*

**Physics**

The answer is D. Fg=Fcos(theta)

*April 27, 2010*

**Math**

Hi, 1) The area is part of C and not part of B hence the statement some C is not B is valid Let r be "The object belongs to set C" (p=>~q)Λ(pΛr) => (rΛ~q) The statement is valid because in all cases the statment is true (note that all Ts in the ...

*April 27, 2010*

**Geography**

But isn't going to New Orleans from San Antonio northeast?

*April 17, 2010*

**Geography**

The direction from San Antonio, Texas to New Orleans, Louisiana is northeast right?

*April 17, 2010*

**Physics**

How long does it take for a golf ball to fall from rest for a distance of 11.2 m? How far would the ball fall in twice that time?

*February 2, 2010*

**Math**

Explain how you could show five less than a number using an expression?

*October 27, 2009*

**science**

What properties of carbon explain carbon's ability to form many different macromolecules? What happens to chemical bonds during chemical reactions? Describe the role of energy in chemical reactions what are enzymes, and how are they important to living things? describe how...

*September 30, 2009*

**Accounting**

the transaction would decrease one liability account and increase another liability account

*July 31, 2009*

**Grade 6 math**

yes

*March 2, 2009*

**algebra**

hi jiskha. how do you solve x-4/x+2 + 2/x-2 = 17/x^2-4? I factored it so it became x-4(x+2)(x-2)+2(x+2)(x-2)=17, but I don't know where to go from there. thanx!!

*January 26, 2009*

**social studies**

witch religon spred all over the world

*January 8, 2009*

**social studies**

i dun get this. ulysses s grant lost his popularity with voters as a result of a. desire for reconciliation between north and south b.lack of work to the reconstruction c.presidency scandals d. dissatisfaction with the republican party.

*November 18, 2008*

**social studies**

i couldn't find the answer to this anywhere, i check the booked and the net, maybe i need to rephrase it somehow...

*November 18, 2008*

**social studies**

i dun get this. ulysses s grant lost his popularity with voters as a result of a. desire for reconciliation between north and south b.lack of work to the reconstruction c.presidency scandals d. dissatisfaction with the republican party.

*November 18, 2008*

**social studies**

Who was the Senate leader of Reconstruction?

*November 18, 2008*

**Math**

Bernie is the oldest of the four Bryant brothers. Bobby is twice as old as Billy, but 2 years younger than Bernie. Bernie is twice as old as Buddy. The youngest Bryant brother is 6 years old. What are the ages of the four Bryant brothers?

*April 16, 2008*

**Math**

how do i divid fractions?

*April 8, 2008*

**social health**

what is social health and i need to know right now.

*January 23, 2008*

**Poetry Part II**

In fact GuruBlue's interpretation is probably two inches worse.

*November 24, 2007*

**Algebra**

I am having a problem with solving a composite function in Algebra 1 How do I solve f(x) = -2x + 1 and g(x) = 4x? Don't I need more info? No, that is all you need. I it unclear what you want to do here. see http://library.thinkquest.org/C0110248/algebra/functions_c.htm

*July 18, 2007*

**language arts**

why are there so many different types of words Words reflect ideas, or actions. There are a lot of choices for these. And many people see the same thing differently, so use different words to describe it. I'm not sure, but I think you might be asking why there are so "...

*March 22, 2007*

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