Friday

April 25, 2014

April 25, 2014

Total # Posts: 211

**math**

solve 15-18+n and 18+5+N

**science**

A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0m/s2. If the cart has a beginning speed of 2.0m/s what is its final speed?

**physics**

An elevator and rider have a mass of 1600 kg combined. What is the tension force in the cable lifting them at a steady speed of 3 m/s? Assume no friction.

**Chemistry**

NaH2

**Math**

3.75/0.75=5

**algebra**

a. 775 b.1250 c.60 1/5

**cups of milk**

A recipe calls for 2 3/4 cups of milk. How many cups of milk, written as a fraction greater than one, are used in the recipe

**pscyhology**

another descriptive is called? in which ? individual is studied in great details

**pscyhology**

tentative explanation is known as ?

**young child**

A child have not learn the prerequisite fundamentals need for a combination of motor patterns is suffering from what

**Bio**

another descriptive technique is called ? in which -------indidivuals is studied in great detail

**math**

Macy's originally sold designer jackets for $2.77.if they are put on sale at a markdown of 22%,what is the sale price

**algebra**

find the equation of the line that is perpendicular to y=-3x-6; (-1,5)?

**Algebra**

Write linear equation in form y=mx+b given this condition parallel to y=-1/2x +1, through (4,2)?

**psy**

what should one do order to increase self esteem experts

**psycology**

in order to increase self esteem ,experts say you should what

**psycology**

in order to increase self esteem ,experts say you should what

**Algebra 1**

A ball is thrown upward with an initial velocity of 35 meters per second from a cliff that is 80 meters high. The height of the ball is given by the quadratic equation h = -49t^2 + 35t + 140 where h is in meters and t is the time in seconds since the ball was thrown. Find the ...

**Algebra**

A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is given by the quadratic equation where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be 30 met...

**statistics**

A sum of twelve given a pair of sixes. give explanation

**math**

a formula for calculating simple interest is I = Pr, were I is the interest earned in dollars, P is the principal or original investment, and r is the fixed rate of interest. If the amount of interest earned is $2.25 and the interest rate is 3%, what is P?

**Psychology**

Xo

**Math, Statistics**

According to a recent survey, 38% of americans get 8 hours or less of sleep. if 25 people are selected, find the probability that 14 or more people will get 8 hours or less of sleep.

**psychology**

what does it mean mind over matter?

**Microeconomics**

1. Complete Table-1 (Joseph Farms, Inc., Cost and Revenue Data), either as a Microsoft Excel spreadsheet, or as a Microsoft Word table. Assume that the price is $165 and the fixed costs are $125, at an output level of 1. Also assume that the data represents a firm in pure comp...

**chemistry**

what is cryogenetics

**business statistics**

1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious Learning about Fina...

**Science**

your grade would be 94.5

**chemistry**

wh at is prtoplam

**chemistry**

what is a positron

**chemistry**

What role does RNA play in proteomics and why?

**chemistry**

A sample of oil has a mass of 65g and a volume of 80.0 mL. What is the density?

**chemistry**

a 225.0 gram sample of aluminum is heated and the temperature increased from 50.0 celsius to 65.0 celsius for temperature change of 15.0 celsius. how many calories of heat was absorbed to produce this temperature change?

**math**

the null and alternative hypothesis would be Ho: ƒÊ = 6 Ha: ƒÊ ‚ 6

**Physics**

A ball is thrown from a point 1.1 m above the ground. The initial velocity is 20.0 m/s at an angle of 32.0° above the horizontal. (a) Find the maximum height of the ball above the ground. (b) Calculate the speed of the ball at the highest point in the trajectory.

**psychology**

She has introduced time in her study.

**psychology**

Aresearcher is studying people of normal weight and obese individuals.She wants to know how the time of day affects hunger feelings in these two groups. when, during the experiment, the researcher looks at her watch, she has introduced what into the research study?

**Physics**

Jerry bicycles from his dorm to the local fitness center: 3.06 miles east and 2.07 miles north. Cindy's apartment is located 1.5 miles west of Jerry's dorm. If Cindy is able to meet Jerry at the fitness center by bicycling in a straight line, what is the length and dir...

**Physics**

Vector A is directed along the positive y-axis and has magnitude 5.0 units. Vector B is directed along the negative x-axis and has magnitude 6.0 unit. (a) What are the magnitude and direction of A + B? (b) What are the magnitude and direction of A − B? (c) What are the x...

**Physics**

Margaret walks to the store using the following path: 0.440 miles west, 0.245 miles north, 0.300 miles east. What is her total displacement? That is, what is the length and direction of the vector that points from her house directly to the store?

**physics**

A 49-kg lead ball is dropped from the leaning tower of Pisa. The tower is 55 m high. (c) What is the speed of the ball 1.3 s after it is released?

**Physics**

A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 9.5 m/s, releases a sandbag when the balloon is 44.3 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the ground? Assume g = 9.8...

**chemistry**

how many g of agno3 would you need to make a 575ml solution of 0.25 m agno3

**statistics**

The probability that a house is burglarized in the city is 5%. If 50 houses are randomly selected, what is the probability that none will be burglarized?

**Physics**

A hollow, thin-shelled cylinder of mass rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational?

**Physics**

Modern bowling alleys have automatic ball returns. The ball is lifted to a height of 2.50 at the end of the alley and, starting from rest, rolls down a ramp. It continues to roll horizontally and eventually rolls up a ramp at the other end that is 0.700 off the ground. Assumin...

**Capstone Accounting**

Assessment of the strategic fit between Square D and Schneider. What are the pros and cons of a combination?

**math**

My sister is playing a dart game at an arcade. She can earn 2, 3, or 6 points with each dart. She scored 24 points. How many ways could she score 24 points given that each dart thrown landed on the dart board?

**math**

Fritz benjamin buys a car costing $12300. He agrees to make payment at the end of each month period for 8 years. He pays 7.2% interest compounded monthly. what is the amount of each payment? find the total amount of interest fritz will pay?

**Intermediate Algebra**

Write all the statements that apply to the following polynomial ..-5x^+2x^2-7.....A)it is binomial. B)it cannot be evaluated at x=-1/3 C). it has a degree of 3 D).it is cubic

**Intermediate Algebra**

State the degree of the following polynomial 9x^4y^3+6xy-3y

**Intermediate Algebra**

Essay questions show work.Add the folollwing polynomials.(-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)

**Intermediate Algebra**

Find the product.-9x(x-^3-3x^2+3x+9)

**Intermediate Algebra**

Find the product...7x(-7x^2+9x+8)

**Intermediate Algebra**

Essay Question.Show all work.Find the difference.(3x^2-6x+8)-(-8x^2+x-4)

**Intermediate Algebra**

Add.Show work.(-1.5x^2+7.9x+8.6)+(-5.5x^2-7.8x+5.2)

**Intermediate Algebra**

Add. Show work.(9x^2+5x-4)+(-8x^2+9x-9)

**Intermediate Algebra**

Using the foil method,multiply....(2/5t-1)(3/5+1)

**Intermediate Algebra**

Add. (9x^2+5x-4)+(-8x^2+9x-9)

**Intermediate Algebra**

Solve by factoring..2a^2+3=7a

**Intermediate Algebra**

Solve....x(x-3)=x-9

**Intermediate Algebra**

Dale and Kim can assemble a swing set in 1 1/2 hours.Working alone it takes kim 4 hours longer than Dale to assemble the swing set .How long does it take Dale working alone to assemble the swing set?

**Intermediate Algebra**

(1/2)^3(2/3)^4/5/6^3 Show work

**Intermediate Algebra**

(1/2)^3(2/3)^4/5/6^3

**Intermediate Algebra**

Sqrt(-24) Show work.

**Intermediate Algebra**

sqrt(-24)

**Intermediate Algebra**

this what i meant..Short answer .Raise the quanity in parenthesisto the indicated exponents and simplify the resulting expression.Express with positive exponents.(50x^2y^-4/200x^-2y^4)^3

**Intermediate Algebra**

Yes i reads them ,but I did;y expect to have such a quick response because I have posted some before they might get anwered in a reasonable amt of time or they might not

**Intermediate Algebra**

Find the circumference of a circle with the radius of 5ft .

**Intermediate Algebra**

Simplify. Show work.-(6a^8+0.2a^2-7)

**Intermediate Algebra**

Simplify. Show work.-(6a^8+0.2a^2-7)

**Intermediate Algebra**

Multiply.(2/5t-1)(3/5t+1)

**Intermediate Algebra**

Short Answer.Raise the quanity in parenthesis to the indicated exponents and simplify.Express answers with positive exponents.(-27x^0y^-2/54x^-5y^-4)^-2

**Intermediate Algebra**

Short answer.Raise quanity in parenthesis to the indicated exponents and simplify te resulting expression. Express powers with positive exponents.(50x^2y^-4/200x^-2y^4)^3

**Intermediate Algebra**

Yes Reiny that is correct

**Intermediate Algebra**

Simplify the following exponents and rewrite it in an equivalent form with positive exponents..24x^3y^-3/72x^-5y^-1

**Intermediate Algebra**

convert to scientific notation...0.000243

**Intermediate Algebra**

convert to scientific notation....0.00024

**Intermediate Algebra**

simplify expression..sqrt-11,sqrt.-55

**Intermediate Algebra**

What is the square root of (-24).Simplify. Show work.

**Intermediate Algebra**

what is the sqr of(-24)

**Intermediate Algebra**

Use scientific notation to divide the following 2 numbers .Express the answer using scientific notation; retain at least3 decimal places (9.4*10^6)/(4.97*10^2)

**Intermediate Algebra**

Multiply the expression and simplify (-6x^-4y^4)*(-2x^4)

**Intermediate Algebra**

Convert this number to scientific notation 1,800,000

**Intermediate Algebra**

simplify the follwing expression in terms of i , the squareroot of -16

**Math 141**

Will someone help me on this, I would really appreciate it. Thank you so much

**Math 141**

You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9% interest that compounds m...

**Intermediate Algebra**

State an equation that represent this situation. Mary invested one amount at 3% simple interest and a second amount at 9% interest ,earning $43.92 in one year.If she would have switched the amounts she would have earned $35.00.What were the 2 amounts?

**Intermediate Algebra**

Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=-34 16x-5y=-43

**Intermediate Algebra**

A dehydrated patient needs a 6.4% saline IV.Unfortunately the hospital only has bags of 6% and 8% saline solutions.How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration?

**Algebra**

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...-5x+4y=-16,-15x+2y=-58

**Algebra**

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55

**Algebra**

The point (6,2) lies on the line -x-8y=-22. Determine if this point is a solution of the system. -x-8y=-22,-7x+3y=-36

**Algebra**

Determine whether the point(7,2) is a solution of the system..-3x+4y=-13,-2x+8y=2,by substituting the point into each equation.

**Algebra**

Select the set of equtions that represents the following equation.The sum of two numbers is 38, and their difference is 26 more than the smaller number what are the two numbers? a.)x+y=38;y-x=x+26 b.)2x=38;61=x+26 2y=38;61=x-26 x+y=38;x-y=26-x

**Algebra**

Select the set of equations that represents the following situation: Mike invested $434 for one year.He invested part of it at 9% and the rest at 10%.At the end of the tear he earned $40.16 in interest.How much did Mike invest at each rate of interest.? a).x+y=434;9x+10y=40.16...

**Algebra**

A university bookstore recently sold a wirebound graph paper notebook for $1.08, and a college ruled notebook for $3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of $88.68 .How much of each type were sold?

**Algebra**

That is suppose to be 50% antifreeze.

**Algebra**

The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?

**Algebra**

Solve using the substitution method. 0.3x+0.2y=5,0.5x+0.4y=11