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Posts by Zack

Total # Posts: 315

Math(factoring) plz check
bx - by ANSWER: FACTOR b(x+y)

Ela Help!!!!!!!!!!!!!!!!!!!!!!!
what does Vegetarian - that's an old Indian word meaning lousy hunter mean?

Operations Management
6. You manage the Distribution Center shown in the diagram below which, for one particular product, supplies only the two retail locations, A and B. You want to convert from your old Reorder Point-based ordering format to Pull Replenishment. It takes you 2 days to get the ...

Operations Management
You are managing a breakfast and lunch only restaurant that sells all-inclusive plated meals (i.e. all lunches include any protein or hot foods as well as salads and sides on a single plate). You’ve decided to try and apply “drum-buffer-rope”. You notice that ...

Computer help!!!
what computer company is better hp or gateway

MATH
A FROG JUMPS A DISTANCE OF 25CM ON EACH JUMP.IF THE FROG JUMPS 6 TIMES ,HOW FAR DOES IT TRAVEL? EXPLAIN

Science
THE VINEGAR EXPERIMENT

English Help
what are sequence of events to go to a web site ?

Math
X=-5

Veterans Help!!!
what are the reasons to help a veteran?

4th grade math
Please help solve this word problem Sara traced circle stencils for her project. She needs 7 rows of 9 circle stencils. She thought that 7 rows of 9 is the same as 3 rows of 9 and 2 rows of 9. Is this correct? Thanks

4th grade Math
thanks again Ms. Sue :-)

4th grade Math
hello, I'm helping my son with his assignment but unsure if the answer is correct. Please help advise. Milton needs to find the product of two numbers. One of the numbers is 9. The answer also needs to be 9. How will he solve this problem? Explain. 3 x 3 = 9 or 1 x 9 = 9 ...

physics
b

Science plz help
Igneous rock is produced by volcanoes. What do you know about the activity on Earth during the time the oldest layer of rock was produced?

SCIENCE
Igneous rock is produced by volcanoes. What do you know about the activity on Earth during the time the oldest layer of rock was produced?

SCIENCE
What are they asking in the question?

SCIENCE
Igneous rock is produced by volcanoes. What do you know about the activity on Earth during the time the oldest layer of rock was produced?

4th grade math
Please help advise if my answer is correct Is the solution of 25 + n = 30 greater or less than 30? Explain how you know without solving it? By looking at the equation, I know that the value of the n = would be 5. It is not greater or less. It should be equal. Please let me ...

4th grade math help
Thanks much

4th grade math help
Explain how the variable B has two different values in the two equations 6 - B = 5 b = 1 B + 5 = 15. B = 10 Thanks!

4thgrade homework help
Write two addends with a Sumer of 258? Please help! Thanks

Social Studies
In 1979 who became the first woman to be honored on a circulating coin?

trig
Suppose that the point P(13,-30) is on the terminal side of the angle theta in standard position. What is sin(theta)? Give your answer to the nearest thousandth

trig
Suppose that the point P is the point on the unit circle that is associated by the wrapping function with the number 31. In which quadrant is the point P located?

math
Longest multiplication combination for 120?

Biochem
The pK of acetic acid is 4.76. Which statement is true at pH 5.0? [A^-] = [HA] [A^-] < [HA] [A^-] > [HA]

Heat!!!
no i will not make out with you!

AP World History Please help
Please help me. Under which ruler was religious tolerance and Hindu-Muslim intermarriage was allowed? Which social group is going to rise to prominence because of trade with the new world? How did exploration of the new world transition from conquest to settlement in the new ...

MATH
what is the range of f(x)= 3sin(bx+d)

MATH
what is the period of the graph f(x)=3secantx

social studies
what people in world history gained wisdom??

Algebra 2
I have to make a design on a graphing calculator using the first quadrant. I have to use linear, quadratics, circles, absolute value, and elipse. Please help.

calculus
the integral of (1+4x^2) is (x+(4/3)x^3)

math
(6t-2)(t-4)

Physics
Thank you

Physics
A disk with a rotational inertia of 7 kgm^2 rotates like a merry-go-round while undergoing a torque given by (5+2t)Nm. At time 1s, its angular momentum is 5kg m^2/s. what is its angular momentum at 3s? I can't figure out how to start this problem.

algebra
37 and 1/2 % You just divide top by bottom and move the decimal two places to the right.

Chemistry
at a pressure of 405kpa the volume of gas is 6.00cm3

math
In a storm, a plane flew against the wind and took 9 hours to cover 3,600 miles. The return trip, traveling with the wind, took 1 hour less. find the air speed of the plane, and the speed of the wind.

physics
A demonstration gyroscope consists of a uniform disk with a 37-cm radius, mounted at the midpoint of a light 61-cm axle. The axle is supported at one end while in a horizontal position. How fast is the gyroscope precessing, in units of rad/s, if the disk is spinning around the...

Math
There are 6 different shapes in a bag, each student will draw one shape, trace it, then return it to the bag. How many outcomes are possible?

englsh
need help in comparing Mercutio in romeo and juliet with riff in westside story

math
write a four sentence paragraph about how you do a algorithm problem

Statistics
True or False, In simple linear regression analysis, if the error terms exhibit a positive or negative autocorrelation over time, then the assumption of constant variance is violated.

Physics
A box slides down a 38.5° ramp with an acceleration of 1.47 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.

Calculus 1
Find the most general antiderivative of the function. Use C for any needed constant. f(u) = (u^4 + 7 sqrt(u)) / u^2 F(u) =

english
Could someone please check for me? I have to list the adverb and then list the word the adverb modifies. 1. She is particularly interested in sports. 2. Have you ever climbed a mountain? 3. Which part of the assignment would you do next? 1.particularly-is interested 2.ever-...

11th grade physics
Rachel pulls her 177N suitcase at a constant speed by pulling on a handle that makes an angle (-) with the horizontal. Using frictional force on the suitcase as 27N and Rachels force on 43N on the handle to calculate the net force. 1. What angle does the handle make with the ...

College Critical Reading
when critical readers analyze a written selection for possible obstacles they need to expose irrelevant appeals attack the person discussed in the selection rely on improper exploitation of persuasive capabilities of language

8th grade math
simplify: 3 to fourth power minus square root of sixty-four divide (10-12 squared)

media
what is the significance of immediate news media delivery on culture?

algebra
what is -2=6/7p

English
Thanks, Writeacher! I really appreciate that!

English
Which of the following choices is not necessary information for a works cited list? A. the publisher's name B. The number of pages in the book C. date of publication Is B correct? Juct checking, Thanks!

English
Which of the following is the bst example of a citation reference for a work by one author? a. Marks 1999 B. (Marks, Bill.1999) c. (Marks-1999) d. Marks et.al. 1999 e. none of the above I know that C and D are wrong I think A is wrong as it has no punctuation. for B, I think ...

English
When doing a research, a current source is a useful one. T or F? I think it's T as a current one would give more accurate information. Thanks.

English
So is the answer C? Thanks

English
Why not? Doesn't meditate mean think or plan? If yes, I think B is correct as we have to think about what the thesis statement is and what we are going to write in the essay.

English
One possible method to begin an essay is A. to paraphrase B. to meditate C. to ask a question B, right? Thanks.

Grammar
Wait a second. But is "Take public transportation" an independent clause? i don't think it is.

Grammar
Oh, sorry about that.

Grammar
Oh, I see. Thanks!

English
I sat proudly on Joe, my pinto, as we marched around the ring in the pony competition at the fairgrounds. I had worked nights for two years to get the money to buy him, worked hard to train him, and here we were. Th conclusion above is an example of: A. editing with a ...

English
Which of the following choices is a strategy that can help speed up reading? A. external distractions B. Using a penor pencial as a pacer C. Use subvocalization I think both B and C are correct. But I could only choose one answer. What do you guys think the answer should be? ...

HIstory
How did the Industrial Revolution impacted American Society economically, socially, politically, and morally.

Calculus- math
thank you!!!

Calculus- math
integral of (2x) / [(x+2)(x+1)]

math
the area of a trapezoid is 45 square centimeters. the bases of the trapezoid are 10 centimeters and 8 centimeters what is the height of the trapezoid?

Science
Yes

chemistry
All the following species are best described by writing at least two Lewis structures EXCEPT a. O3. b. SO2. c. NO2- d. SO3-2 e. SO3.

Chemistry
All the following species are best described by writing at least two Lewis structures EXCEPT a. O3. b. SO2. c. d. e. SO3. Explanation thanks

algebra 1
(1,3) and (-2,-4) is m= 1/2

Algebra 1
3+6x<9 -3 -3 6x<6 x<1 This is right or wrong

Algebra 1
-5 [54-(99-18)] -5[54 +99 +19] -5 [ 153+19] -5[172] -860 f(x)=2x²-5x How can I simplify -860 to fraction? I know something like - 860/100

Algebra 1
x+9y=8 (1) x=3-9y (2) x (3-9y)+9=8 3x -9y +9y=8 3x = 8 x= 2.6 Is this correct?

Physics
A projectile is shot straight up from the earth's surface at a speed of 1.20×104 km/hr. How high does it go?

math
what would be a good window for the graph of f(x) = -x^5 + 5x^3 - 3x + 15 I think that -10< x<10: -10<y<25 would be good. Does this seem right?

5th grade
the sum of eighty-nine and a number

space/astronomy
that doesnt apply at 10AU.

space/astronomy
Rank the objects based on the strength of the gravitational force that would be felt by a spacecraft traveling at a distance of 10 AU from the center of each of the objects, from weakest to strongest. 1)red giant mass: 1Msun radius: 100Rsun 2)sun 3)white dwarf mass: 1msun ...

Chemistry
nvm, i did some reworking heres what my final answer endo-by exo-none exo-by exo-on exo-on can someone confirm please?

Chemistry
Okay, so basically i think i got all the endo and exo figured out because of either state change (heat released or used) but how do i figure out the "on", "by" or 'none' part? 1) exo 2)exo 3)endo 4)exo 5)exo

pre-algebra
19

physical science
What is the change in thermal energy of water in a pond with a mass of 1,000kg and a specific heat of 4,184j(kgdegreesc) if the water cools by 1 degree c

physical science
Please help.How can the IMA of a screwdriver be increased?

science
What does in science the 'cross' mean in the warning sounds?

Physics Problem
A runner hopes to complete the 10,000m run in less than 30 minutes. After exactly 27 minutes, there are still 1100m to go. The runner must then accelerate at 0.20 m/s^2 for how many seconds in order to achieve the desired time? I get 80.9 but I know that the answer is 3.1 ...

Math 117
1.) A rectangular solid and a circular cylinder have the same volume and the same height. The base of the rectangular solid is a square. Which (if any) of the following statements are true? (i) The rectangular solid and the cylinder have the same base area. (ii) The ...

Algebra
Could someone work this out for me? Someone says the answer is 2.34 x 10^-6 but I think it's 2.34 x 10^-4. 2 x 10^-3 = 3 x 10^8 x 1/6 x pi x d Solving for d. Sorry it's kinda messy.

Physics
How would one determine the percent uncertainty in theta and in sin of theta for the following: 1) theta = 15.0 degrees +/- 0.5 degrees 2) theta = 75.0 degrees +/- 0.5 degrees I'm not sure whether I divide or use some kind of formula.

Physics
So, would that make it 8.76*10^-2? If so, what would the units be?

Physics
An average family of four uses roughly 1200 liters (300 gallons) of water per day. (One liter = 1000 cm^3.) How much depth would a lake lose per year if it uniformly covered an area of 50 square kilometers and supplied a local town with a population of 40,000 people? Consider ...

Physics
GPS can be used to determine positions with great accuracy. The system works by determining the distance between the observer and each of the several satellites orbiting Earth. If one of the satellites is at a distance of 20,000 km from you, what percent accuracy in the ...

Spanish
A donde vas a comer cuando tienes hambre

8th grade
What is the name of the large island that is part of New York?

Chemistry
What is the energy of an electron in the 2s orbital of a hydrogen atom?

6th grade
I need to come up with some math questions about the solar system.

geometry
Thank you very much. I could explain it (I thought) but couldn't express it in math terms. Thanks again

geometry
We are learning about proofs. We drew lines between noncollinear points. Our table showed 2 points >> 1 line segment, 3 point >> 3 line segments, 4 points >> 6 line segments, 5 points >> 10 line seg, 6 points >> 15 line seg. etc. Write an ...

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