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Posts by jj

Total # Posts: 1,060

jj
you are a manufacturer of antacids. you could use either mg (oh)2 or al(oh)3 in your formulation. you can buy either of these for $2.00 per pound . which of these will provide a better product (i.e., give more relief) for the same amount of money ? explain your answer

math
most of them are i think

algebra
Suppose y varies directly with x. Write an equation relating x and y. 645-09-05-00-00_files/i0130000.jpg a. y = 6x c. y = 7x b. y = x d. y = − x

chemical calculations
Brine from a first tank runs into a second tank at 2 gallons per minute and brine from the second tank runs into the first at 1 gallon per minute.Initially,there are 10 gallons of brine containing 20 lb of salt in the first tank and 10 gallons of fresh water in the second tank...

Science
thanks

Science
How might genetically engineered crops help people in hash climates?

pyhsics
A man drops a rock off the side of a cliff, and hears it hit the bottom 2.8 seconds later. If the average speed of sound is 335 m/s, how high is the cliff? I have been able to figure out this much, but I don't know how to solve the problem with the data that I have been ...

english
the speaker in birches compares the boy's climbing to

chemistry
130 mL

Algebra2
so on 2^7i list i as -1 seven times equals out -1 or -i then what i still cant solve i^100

Algebra2
write a equation of a line that is perpendicular to y=-2/3-5 and goes through -4,3

Algebra2
so on 2^7i list i as -1 seven times equals out -1 or -i then what i still cant solve i^100

Algebra2
2i^7 i^42 i^100

Physics
A golf ball was launched at 35.0m/s at an angle of 35.0 degrees above the horizontal a) determine the horizontal and vertical components of the balls velocity b)how long was the ball in the air c) how far did the ball go d) what was the maximum height

physics
A particle of mass 7.7 × 10-8 kg and charge +11 μC is traveling due east. It enters perpendicularly a magnetic field whose magnitude is 4.2 T. After entering the field, the particle completes one-half of a circle and exits the field traveling due west. How much time...

statistics
For the data in question 13, find the raw scores that correspond to the following: (a) z 5 11.22; (b) z 5 20.48.

Math 1
write an equation that represents the following situation. Let x= the number of adults. Your equatin should start with "1220=" and use x as the only variable.. The number of students attending the fall play was 150 more than the number of adults attending. A total of...

english
Maria is going to take extra courses at the university in math her favorite subject.

Government
A(n) _________________________ differs from a direct democracy in that only a small number of elected representatives actually vote on a specific issue

English (Checking please)
That's okay! Thank you for you help Ms. Sue. I appreciate it :)

English (Checking please)
How are Eliezer and the Rabbi’s son who abandons his father on the way to Buchenwald similar? They do not respond when their fathers need them.<--------- They are unable to abandon their fathers. They regret their feelings of resentment toward their fathers. They grow...

English (Checking please)
According to the author, it is difficult for people to comprehend what when on at Auschwitz because the events are so terrible that readers have never experienced anything similar. <----- the events happened long ago and have been forgotten. the survivors and their families...

Science
I agree. 2 is a and 1 is d. I took the same test. :-D

math
3E

Math Solve for X?
Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0

science
whats a BRO!!??

Science help ASAP
Mellisa is correct, I got 100%, and I go to connections. And FYI guys Aria is a real person.

3rd grade math
My mom

Geometry
Point C is located at (1, 2) and point D is located at (−4, −2). Find the x value for the point that is 1 over 4 the distance from point C to point D.

Microeconomics
Sorry, just a clarification, the cost function is c(q)=q^2

Microeconomics
Can someone help me with a hint to solve this problem?? Thanks!!! "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q2. The aggregate demand in the market is given by 1000−p. Suppose that, in order to ...

ENG 122
When using the BEAM style of evaluation, which of the following is UNLIKELY to occur

Science
1. a 2. d 3. a 4. a those are the correct answers i got 4/4 with them

Science
1. True. 2. Billboard 3. Meter 4. Person next to you.

Chemistry
Calculate [OH−] for 1.90mL of 0.190M NaOH diluted to 1.50L .

engineering
. A platform with boat weighs 10,000 N. Four cables are attached to the platform as shown; the edges of the platform are always a horizontal distance of 2 m from the pulleys. As the platform rises smoothly and evenly, the length L of the cables decreases and the angle θ ...

Chemistry
A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the volume of the gases if the temperature is increased to 500K and the pressure falls to 2.15 atm?

math
zza

Science
I took the assesment, and I found that the answers for the WHOLE assessment are: 1. D 2. B 3. B 4. C 5. D Hope I help everyone :D

calculus
I got half of this problem wrong and I DO NOT know where and how to fix. I cannot use my calculator and have to show my work. Question: You have a 500 metre roll of fencing and a large field. You want to construct a rectangular playground area. a.) using optimization ...

Statistics
A national opinion poll found that 44% of all American adults agree that parents should be given vouchers good for education at any public or private school of their choice. Suppose that in fact the population proportion who feel this way is p=0.44. A) Many opinion polls have ...

Clarifying Vague Pronouns
The school computers arrived with games preloaded.These were the second batch the school had received.

chemistry
A sample of chlorine consists of 3×10to the power 6 of 35Cl and 2 × 10to the power 5 atoms od 37Cl . what is the average mass of an atom of chlorine in the sample?

chemistry
How can you convert the number of atoms of these isotopes 35Cl and 37Cl to percentage?

Business Math
What are the proceeds of a note for $5,500 at a discount rate of 8%, for 30 months?

Business Math
Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method. (Round to the nearest whole dollar amount)

READING
30. c 31. d 32: d

History
Which group creates the largest land empire in the 12th and 13th century? Chinese Mongols Muslims Russians I say, Muslims. Is this correct??

History
In my note, i wrote latin west and western europe. Are these to mean the same thing??

History
is the last one Latin west???

History
What are three heirs of ROme after the fall of the Western Empire? I think I know two, which are...Byzantine and Islamic. But what is the last one?? or is my two answer right??

math
one more please!! a bike club wants to make license plates for the neighborhood bikes. each license plate has a letter followed by a digit. how many different license plates can be made??? explain please so i can understand how to find the anser THANKS!!!!

math
ben has 15 puzzles and 27 cds, when he takes a trip he likes to bring one puzzle and one cd as entertainment. how many trips can he take with a different puzzle and cd pair?? and please show how to solve it.....

History
Was craft guild back in the days same as inspector of today or apprenticeship??What I want to know is a Craft guilds are basically early versions of what that helps unify workers today?

math
How do i do this practice math problem? Julie Molony opened Julie’s Maids Catering Service on July 1, 2010. During July the company completed the following transactions: July 1 Invested $14,000 in common stocks in the business. 1 Purchased a delivery truck for $10,000, ...

English (literature)
Can someone compare both William Bradford and Thomas Morton's reasons for coming to the new world? thank you.

pre algebra
How do I sketch a||b, b||c, c perpendicular to d in one picture?

biochemistry
someone please answer thissssss

History
How did Byzantines preserve the traditions of the Romans? could you list few for me??

History
Sweet! I knew it! Thank you :)

History
What was the name of the people who settled Gaul that became modern France? Was is the romans??? or the celtics???

History
Which group is most associated with the fall of the Western Roman empire? Was it Carthaginians, Gauls, Huns, or the Greeks?? I thought it was Egypt or Visigoths but my answer came back as wrong :(

History
I meant *I am not sure it its right**

History
When was the height of Egyptians, Athenians, Alexander's empire, and Roman Empire? I am having hard time finding the exact or round about year to these. I've found two so far, but I am sure if its right. please help so i can study for my test! thank you! This is what i...

quantum physics
ass 6 q6:Now, consider the case where N4 elements are marked instead of just one. If we run one iteration of Grover's algorithm and measure, what is the probability that we see a marked element? q7: Which of the following observables correspond to a standard basis ...

Social Studies
Yes it is A.

math
Working together, 2 groomers can brush 8 horses in 3 hours. How many hours would it take 3 groomers to brush 12 horses at this rate?

math/chemisty
Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.

chemisty
Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.

Math
What is the product of 9 and 1.333333333?

math
Jim has 1/3 as many goldfish as Hannah. Hannah has 5 times as many goldfish as Ping. If Ping has 15 goldfish, how many goldfish does Jim have?

math
To make punch for her upcoming party, Mary used a recipe that calls for 1/2 cup of fruit juice per serving. If she has e gallons of fruit juice, what is the greatest number of servings of punch she can make? (note: 1 gallon=16 cups)

math
There are some frogs and some lily pads at a pond. If lily pads with frogs on them have two frogs each, then there is one lily pad with no frogs on it. If each lily pad has exactly one frog on it, then there is a frog with no lily pad. How many frogs are at the pond?

math
The heights of the five starters of a college basketball team are 6'6, 6'7, 6'9, 6'11 and 7'. What it the mean height of these players , in inches?

math
In the xy-plane, lines a and b intersect at point (5,-2), and lines b and c intersect at point (-3,3). What is the slope of line b? Express your answer as a common fraction

math
What is the product of the digits of 71?

MATH
the numerator of a fraction is one-half the denominator! If the numerator is is increased by 2 and denominator is decreased by 2, the value of the fraction is 2/3. What is the numerator of the original fraction?

MATH
WRITE THE DECIMAL WITH DECIMAL POINT FOR EACH FRACTION. FIRST SIMPLIFY ANY FRACTION TO LOWEST TERMS SUCH AS A WHOLE #, A MIXED #, OR A SIMPLIFIED PROPER FRACTION FOR THE FOLLOWING: 49/50, 5/7,14/11, 69/100,3/2,7/8,7/12,8/9,15/20,27/25, 5/9.50/10,76/50,29/11,709/100,24/2,25/8,...

Math
Raisin sell for $3.99 per pound. How much will 33 1/3 pounds of raisins cost?

Math
For what positive integer n is 2n+3n+4n=nn?

Math
If x and y are positive integers such that xy =8, what is the maximum possible value of x + y?

math
Half of a third of x equals a fourth of y plus a fifth of y. If'x=27, what is the value of y?

Math
A state creates license plates that each contain two letters followed by three digits. The first letter must be a vowel and duplicate letters and digits are allowed. How many different plates are possible?

Math
Solve the fraction problem and reduce the answer to simplest form 85 5 8 - 29 7 8 =

business law
mnm

Math Growth & Decay
122%

algebra
(s) is at least 5 times as great as the number of bieber fans (b)

algebra
i got this question off a benchmark

algebra
(a) of 3000 she makes 55 an hour (h) and how many hours will it take to have an account balance of 3220 a: a=3000+55h;3220 b: 3000+55h =a:5h c: 55+3000h= a=4hours d:a=3000 +55h;4hour

science
what are the changes of statein which energy is increased

science
a boat weights 10,000 newtons what is the magnitude of buoyant force acting on boat in the fliud

science
a 100 pound life guard dives underwater to save a 150 pound person who is drowning the life guard will be able to lift the person to the surface because a:the buoyant force acts as an upward force on the person b:the force of gravity is less in water c:the force of water is ...

algebra1
6x+2/3x+3 division sign 2x-2/4x+4

algebra
6x+2/3x+3 division sign 2x-2/4x+4

algebra1
6x+2/3x+3 division sign 2x-2/4x+4

algebra1
he drove an average of 50 mph for 6 h for the 1st 4 hours he drove 47 mph what was his speed for the ast 2 hours

geometry
20.00

algebra
if ne person can do 25 sqare feet in 4 hours and another in 5 hours how much concrete can they do working together in 8 hours\ \ \

algebra
Andy’s average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip?

akgebra
One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together to fill the tank?

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