Wednesday
July 23, 2014

Posts by pat


Total # Posts: 645

physics
1) Two boxes are placed are placed side by side on a frictionless surface so that they touch each other. Box A has a mass of 4 kg. Box B has a mass of 12 kg. A constant force of 24 N is applied to box A. What force does box A exert on box B?

4 grade math
i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you!

Algebra
Find the equation of the line perpendicular to the line passing through (2,4) and (3,7)

Algebra
Find the equation of the line passing through (-5, -4) and parallel to the line passing through (-3,2) and (6,8)

Algebra
The height of a rocket fired vertically into the air from the ground is given by the formula h(t) = -16t (2nd power) + 384t + 4, where t is measured in seconds. How long will it take to reach its maximum height and what is the maximum height reached by the rocket

Calc
that is what i am having trouble with =/ i got 96= 160t-16t^2 and i dont know how to factor. so i tried -16t^2+160t-96 and used the quadratic formula and i got two answer: .6 and 9.4...i do not know what i am doing wrong, but i really need help finding t when it's 96 feet....

Calc
*Revised* If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t - 16t^2. What is the velocity of the ball when it is 96 ft above the ground on its way up? (Consider up to be the positive direction. Round the answer to on...

Calc
If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t - 16t2. What is the velocity of the ball when it is 96 ft above the ground on its way up? (Consider up to be the positive direction. Round the answer to one decimal p...

math
Evaluate. Remember the order of operations. Give your answer as a fraction in simplest terms. (-15)(6-4 divided by 2) + (-3)3rd power __________________________________ 6 / (4-11) my answer was -87/-0.85714 which does not look right. Any help is appreciated

Physics
how did you translate 0.0019 radians/sec into minutes?

math
At what rate will $300 yield 67.50 interest in 4 years and 6 months?

math
$1000buys how many bushels at 1.331/2?

math
2,514 barrels at 5.831/3 is how much?

math
how do you find 2/3 of a penny? the problem is 276 yards at 162/3 cents?

Statistics
A tire manufacturer wishes to set a minimum mileage guarantee on a new set of tires. The mean is 67,900 with a standard deviation of 2,050. The manufacturer wants to set a minimum guaranteed mileage so that no more than 4% of the tires will have to be replaced. What should the...

algebra
A student threw a ball directly upward from the balcony of a building. The height of the ball as measured from the ground "t" seconds after it was thrown, is given by the expression h= -16t(2nd power) + 64t + 768 When does the ball reach the ground?

Algebra
Simplify the following [2x / (3x (2nd power) - 5x - 2] + [(x-1) / (x (2nd power) -x - 20)]

Algebra
Solve the following 2x (2nd power) + 5x - 12 = 0

Alegebra
Solve the following equation for x 2y = x / (y + x)

Algebra
Factor each of following expressions x (4th power) - x (3rd power) - 6x (2nd power (a-b)(2nd power) - (a 2nd power + b) 2nd power

algebra
Simplify the following expression 2(3 x - 2)(2nd Power) - 3x (x + 1) + 4

Math
Simplify the following expression 2(2x - 2)2 - 3x(x + 1) + 4

geometry
how do you find the cube root of a number?

geometry
What is the diameter of a wheel whose area is 264 square inches?

5th grade math
what is a letter in the alphabet with 3 acute angles and 2 obtuse angles? I think it is X.

biochemstry
pyruvate

geometry
A, B, C and D are collinear, points c x y z are collinear, AB = BC = CX YZ, AD = 54, XY = 22, and XZ = 33 i need help ho to figure this out

geometry
if ab=bc=cx=yz,ad=54,xy=22,and xz=33 how do i find the indicated lenght

project management
I to create a proposal for a customer

math
That would come under Owners Equity

literature
help with quiz 00779000 is the answer to question 3 a In "shall i compare Thee to a Summer's Day?

math
it says surface area and use 3.14 for pi

math
how do you find volume of a rectangle?

eighth grade math
omg thank you so muchhh!!!

6th grade
what are the best materials to use to build a coliseum for a school project?

History
In granting or gaining of civil rights to or by many groups in America, what were the 3 most important? Why were they the most important?

spelling
sprinkle

intro tobusiness
Thank you for your response.

intro tobusiness
competitive pricing increase market in low market areas target specific group better plan package than competition word of mouth from satisfied customer customer relations management advertising on the internet direct mail promotions

intro tobusiness
objective:increase market share by 5% in telecommunications industry. Identify at least 5 key activities management information system required to accomplish objection and list 3 Management information system resources that will that will be required to complete the identified...

math
50

Finance
You have a chance to buy an annuity that pays $1100 at the end of each year for 3 yeas. You could earn 3% on your money in other investments with equal risk. What is the most you should pay for the annuity?

college
What if your corp sales last year were $300000 and its net income after taxes was $22000 what was its profit margin on sales?

Medical
If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter?

Accounting
what are the outside factors upon which the conclusions drawn from financial statements and financial statement analysis are reliant? Please help!! I'm trying to finish a VERY long accounting paper and got stuck with this question, have no clue, someone please help!! Thanks

Algebra
3e+9/a what does this mean

Health Research Project
I put purging of arachaic or inccurate information into the google search box. Look for netsearch. Good luck

math
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different?

algebra
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify. Consider participating in the discu...

math
which choices correctly represent numbers in base seven. (a)575 base seven (b) 656 base seven If one is incorrect write it so it is correct.

Algebra
Factor the polynomial completely. 18a^4b - 98b^3 i can usually factor good but the double variable is messing me up.

Science
How is density expressed

algebra
Oh sorry I will do that right now. Thank you.

algebra
How do you determine if a polynomial is the difference of two squares? This is the only information given. Sorry there isn't more, thank you for helping.

algebra
How do you determine if a polynomial is the difference of two squares?

math
i got 4.5. Did i do that right?

Math
I think i may have found out teh right answer but a little different then you did. Can you check this and tell me if im right pls? I got 3.2 hours as my answer. the way i did it was more of drawing it out then eqaution. when the 2nd train starts the 1st is already 64km away. E...

calculus
R^0.5-90=0

math
Well 1, how old are you?

columbus
Other things equal, a decrease in real interest will

math
temperature dropped from 4 degrees to -18 degrees, how many degrees did it drop

com 150
i need help in finding 3 credible sources for healthy eating

contemporary math
where can I learn the basics of contemporary math? I have a hard time figuring this stuff out

mathmetics
5x2+13x+6

how to write a check
One thousand four hundred sixty-four and 00/100 Or Fourteen hundred sixty-four and 00/100

math
.25($118,250.00) c) How much money will rent and utilities cost

Literature
suppose your've just read a romance novel that has stock character and a happily ever after ending .what kind of literature were you probably reading

Literature
because bernice change during the course of bernice bobs her hair', she's said to bea- character

health homework
what is the correct sequence of nerves you feel when someone tickling the back of the leg? sacral plexus,spinal cord, thalamus,brain stem, cerebrum. Is this right?

medical coding
Medication practices. Should written policies be developed for abbreviation usage? If yes, what should the policies contain? If no, explain.

social studies
In which decade did the numbers of catholic/jews first exceed the number of protestants?

science
What does hermatypic mean? in words I can grasp. over my head and under my bed

science
What are the major threats to coral today? Why should we care?

science
What is the connection between coral reefs and mangrove habitats?

Philosophy
What are the twelve questions in the Myth of Adape

math help
Solve the system by substitution. x-5y=2, 2x+3y=17

math
The sum of two numbers is 76. The second is 8 more than 3 times the first. What are the two numbers?

math
In a town election the winning candidate had 220 more votes that the loser. If 810 votes were cst in all, how many votes did each candidate receive?

English
What could I use to substitute this phrase: It seems as though I want to use something else to say the same thing ..

spanish
Cambie las frases en el presente a mandatos familiares. Incluya los pronombres cuando sea posible. MODELO: No comes los dulces. -> No los comas. 1. Tienes prisa. 2. Te duermes temprano. 3. Haces la cama.

spanish
Cambie las frases en el presente a mandatos familiares. Incluya los pronombres cuando sea posible. MODELO: No comes los dulces. -> No los comas. 1. Tienes prisa. 2. Te duermes temprano. 3. Haces la cama.

Spanish
Question #3 Cambie las frases en el presente a mandatos familiares. Incluya los pronombres cuando sea posible. MODELO: No comes los dulces. -> No los comas. 1. Tienes prisa. 2. Te duermes temprano. 3. Haces la cama.

Science
What is the Law of conservation of matter?

algebra
Find the slope of the line through the following pairs of points (-5,4)and (2,4)

Intermediate Algebra
The ratio of 7 more than a number to 2 less than that number is 13/4. Find the number

chemistry
I have two problems that I'm stumped on. I know the correct anwers but I'm having problems coming up with the co rrect anwsers. Here are the problems: 1) Magnesium has a density of 1.7g/cm^3 and iron has density of 7.9 g/cm^3. A block of iron has a mass of 819g. What i...

chemistry
A starship is crusing the interstellar with a velocity of 2174.799173 miles per second. How far would the starship have traveled in 2 years, 9 days and 4.50 hours? I've spent several hours on this problem and still I cannot come up with the correct answer. So, how do I sol...

CHEMISTRY
A 40.0g SAMPLE OF AN ELEMENT COMBINES COMPLETELY WITH ANOTHER ELEMENT TO MAKE 112.2 OF A COMPOUND. WHAT MASS OF THE SECOND ELEMENT REACTED? hOW TO i GO ABOUT SOLVING THIS PROBLEM?

CHEMISTRY
WHEN A 50.0g SAMPLE OF AN ELEMENT COMBINES COMPLETELY WITH ANOTHER ELEMENT TO MAKE 78.4g OF A COMPOUND. WHAT MASS OF THE SECOND ELEMENT REACTED? HOW TO i SOLVE THIS PROBLEM?

chemistry
A 2.760 g sample of carbon was burned, yielding 10.120g of carbon dixode. How many grams of oxygen was taken up by the reaction? What ofrmula would I use to solve this problem?

Math
Jose, I do not understand your answers

Math
Write Each rational number in the form a/b where a and b are integers and b is not equal to 0. 1) 5 1/3 2) 73 3) -0.21

Math
is 35 pie an irrational number?

math
What is a finite, infinite and an empty number?

math
how would you change 0.3 into a fraction

Algebra 1
Use the quadratic formula to find the x value that will solve the equation 2x^2-3x+10=0

Math
I got 13 1/4. Could you show me how you got 14 1/4 please.

Math
5 3/4 - (-8 1/2) = ?

Math
Why did you change the 86 to a 85?

Math
73 1/2 -86?

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