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Posts by Angel

Total # Posts: 1,142

for this quadratic equation: y2-4y-16 = 0 which two options are correct solutions, rounded to three decimal places? 1) -4.483 2) -3.243 3)-2.472 4) -1.472 5) -0.536 6) 5.243 7) 6.472 8) 12.443 Use the quadratic equation, we will be happy to critique your solution.

Baseball Nick throws a baseball upward with an initial velocity of 60 feet per second. What is the maximum height of the ball after Nick releases the ball? Formula for the problem - h(t)=v0t-16t^2, h(t)= the height of an object in feet, v0=an object's initial velocity in ...

earth science
how can the interactions between the earth systems affect the climate?? any one help me i don't knw where to start and i need to write 700 words on it Step one is to read your S103 course materials rather than try to get someone else to answer it for you.

what is the clinical importance of doing the amino acid sequence determination Since this is not my area of expertise, I searched Google under the key words "amino acid sequence determination" to get these possible sources:

Here is one that I really would like to know if I have the right answers- In data from a sample of 400 cases, a variable has a 95% confidence interval of 54.3 to 54.7 find the following: Mean, standard deviation and standard error. I have come up with the following Mean 54.5 ...

The average time in data to process orders received by a metal fabrication company is to be estimated. A sample of 20 orders is randomly selected from a total of 200 orders processed over a 6 month period and the sample mean is 5.4 days with a standard deviation of 1.2 days. ...

For Mathguru_ from statistic question on Tuesday April 10, 2007 follow up question- what if I wasn't given the standard deviation either- how would I solve this problem Other tutors can help, but without the previous information, it is impossible to help you. Please repost...

data from sample of 400 cases, variable has 95% confidence interval of 54.3 to 54.7 I found the mean- how do i find standard error- step by step please. Standard error = sd/√n Note: sd = standard deviation; n = sample size. You'll need to determine the standard ...

what does x= to 4-2x=7x+13 add two x to both sides 4=9x+13 subtract 13 from both sides. -9=9x divide both sides by nine. 4-2x=7x+13 add 2x to both sides 4-2x + 2x =7x+13 + 2x 4 = 9x + 13 add -13 to both sides 4 - 13 = 9x + 13 - 13 -9 = 9x divide both sides by 9 -1 =x

what difference would there be in the product cells at telophase II of the meiosis if there had been one crossing over at a position half way betwwen the huntington disease gene and the centromere from one pair of autosomes (chromosome 4)has a short arm and a long arm on the ...

You move a 300N object 2 meters in 3 seconds. a. How much work do you do? b. What is your power?

What is the differemce between "the law of one price" and "PPP"? Check this site for explanations.

HOW DO I SOLVE A QUADRATIC EQUATION BY FACTORING? Do you have a specific one? You factor it in this form: (x-a)(x-b)=0 then both factors , x-a, and x-b can be set equal to zero, and then x=a, and x=b.

5yd=how many feet There are three feet per yard. Do the multiplication three feet in a yard times 5

A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40m2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the diameter of an...

what is sexual orientation Sexual orientation is whether a person prefers people of his/her own gender or people of the other gender.

a scientist has 0.46 mL of a solution. how would she convert this volume to microliters?

Cuz XD am just a kid lol

again economics
Thx for answering before... This time I can find a anything about the 45 degree model which I have to charaterize! I'm not quite sure what you mean by "characterize" so I can only hope the following will help you:

I need help!! I got this question: Derive the IS/LM-model from the 45-degree model and the money market... anything! Thank you for using the Jiskha Homework Help Forum. Since you ask for "anything" here are some things I found re: IS/LM: http://www....

Microeconomics: Describe the diff. market forms ( I've done that) Under which equlibria and under which circumstances is sustainable profir possible? ( I am lost)

Here is another question I am having trouble with, please help!!!! 3. The following totals for the month of March were taken from the payroll registrar of the X company: Salaries (all subject to social security & Medicare taxes $14,000 Federal income taxes withheld 3,500 ...

Here is my question, please help!!! 5. Assume that Z company's chief financial officer gave you the following information: net sales, $3,800,000; cost of goods sold, $2,100,000; extraordinary gain (net of income taxes of of $7,000), $25,000; loss from discontinued ...

please help 5*10(-8 is a power for the ten) That would be 0.00000005 (seven zeroes after the decimal point) in decimal form. Do you have some other question about that number? Most of us would prefer you write that number as 5*10^-8 when typing scientific-notation on this ...

how do like electric chares react to each other? Like charges (both +, or both -) repel each other. Unlike charges attract each other.

Essay...What comparisons (similarities) are there between The Necklace by Guy de Maupassant and The Brother Grimm's verison of Cinderella? They are both above, good short reads. I will be happy to ...

what is a earthquake look it up in a dictionary science is hard but hang in there If you want to read about earthquakes, an encyclopedia can give much information. Look on plate tectonics. The core of the earth is very hot and consists of molten magma. There are a number of &...

Actually. it only takes 1 time to subtract 2 from 101 to get to 0. See, When you subtract 2 from 101 that's 99. But then you have to do it again. The problem is that you'll be subtracting 2 from 99. It's confusing i know.

For each of the following items, give an example of a business transaction that has the described effect on the accounting equation: Increase an asset and increase a liability: Increase one asset and decrease another asset. Decrease an asset and decrease owner's equity. ...

17.45 inches

math (unit rate)
okay I NEED HELP FAST!! if it cost $6.98 dollars for 24 cans of juice how much money would it be for 1 can of juice PLEASE RESPOND QUICKLY I NEED IT FOR TOMMOROW!! :) thanks

OMG! I am loving this site. I can't believe that I am the only one stumbling here in ETH125. Thanks for the hints from finding the answer on this week 2 question. I have been trying to google but have not gotten far on the different ways to measure prejudice. By the way, I...

math check
Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum of four consecutive odd integers is -336. Set up an equation AND solve for all of the integers. Two ways to approach this. -336/4 = -84 making the 4 consecutive odd numbers -81, -83, -85 and -87. Alternatively...

word problem

Just a little stuck, can you help me out? 1.)Sales (in millions) of a company are modeled by the expression for x items produced and sold (in millions). If 4 (million)items are produced and sold, what would the sales be? 2.)The sum of four consecutive odd integers is -336. Set...

what type of system would this be? y = 5x - 1 y = (1/5)x - 1 linear system one line intersecting with another line

x/2=3y/5 can you show me how you got the answer please y=3/4x-2 I don't think it is correct. Starting over To solve for y first multiply both sides by 5 (5)x/2=3y/5 (5) Cancel 5 on right side to get 5x/2=3y Now multiply both sides by 1/3 to get 5x/6=y

A retired couple needs $12,000 per year in income to supplement their Social Security. They have $150,000 to invest to obtain this income. They have decided on two investment options: AA bonds yielding 10% per annum and a bank CD yielding 5%. (a) How much should be invested in...

I am a little lost on my homework can someone help me with these problems please! With a GM MasterCard, 5% of the amount charged is credited toward a rebate on the purchase of a new car. Express the R as a function of the amount charged A Write a formula that describes the ...

If the temperature on the ground is 70 degrees fernhet, then the temperature at A feet above the ground can be found from the expression -0.0035A + 70. I need to find the temperature at the following altitudes a. 8,000 feet b. 12,000 feet c. 24,000 feet I am trying to ...

Regarding real-life applications, when would a linear inequality be more appropriate to use than a linear equation? Give examples to help me better thanks a lot! When driving a car, the speed at any time should be less than or equal to the speed limit. A check written on an ...

unscrambling word

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