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Posts by sherry

Total # Posts: 278

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 ...

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....

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. ...

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?

Cardiovalscular
my answer is b vocal sounds?

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 ...

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

Algebra
Pepperidge Farm Goldfish is a snackfood for which 40% of its calories come from fat. Rold Gold Pretzels receive 9% of their calories from fat.How many grams of each would be needed to make 620g of a snack mix for which 15% of the calories come from fat?

algebra
Write the slope-intercept form of the equation of the line.Please show work. Show in graph.(-3,-5)(6,1)

algebra
Write a slope intercept equation for the line with the slope-1/4 and y-intercept (0,-2)and graph the line.Please show work.

algebra
Write the slope intercept equation for the line that passes through (14,-2) and is perpendicular to 7x-10y=18.Please show work.

algebra
Write a slope intercept equation for the line that passes through (2,-7) and (4,-13) Please show work,

Algebra
find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)

Algebra
find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)

Algebra
Solve.Show work. -9y-12(2-3y)=-25-2(y+6)

Algebra
Write the slope -intercept equation for the line with the slope-1/4 and y-intercept(0,-2) and graph the line.Show work.

Algebra
Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.

Algebra
Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.

Algebra
Find the x and y intercepts and graph the equation plotting the intercepts.Show work...-5x+8y=-40

Algebra
Find the slope and y-intercept of the line given..y=5/6x-14

Algebra
Write the slope intercept equation for the line with the given slope that contains the given points....M= -3/4;(0,5)

Algebra
Write the slope intercept equation for the line with the given slope that contains the given points....M= -3/4;(0,5)

Algebra
Write a slope-intercept equation of the line whose graph is desrcibed,parallel to the graph of 3x+2y=5;y-intercept(0,-1)

Algebra
Write a slope-intercept equation of the line whose graph is desrcibed,parallel to the graph of 3x+2y=5;y-intercept(0,-1)

Algebra
Find slope,if the line is defined state this. (0,2)(4,-3)(5,-7)(-2,5)(-4,6)

Algebra
Write the slope intercept form of the equation of the line,and graph it .Show work...(-3,-5)(6,1)

Algebra
Simplify...Show work...-b+bc-c^3-(c^3+bc-c^3+b)

Algebra
Write using set builder notation.Show work....Solve..-2(10x-9)-17x<(6-x)

Algebra
Simplify....8-5/8+1/2*6/9=

algebra
Find the slope and y intercept of the line given...y=5/6x= -14

algebra
write the slope intercept equation for the line with the given slope that contains the given points....M=-3/4;(0,5)..Show work

Stats
Twenty randomly selected students took the statistics final. If the sample mean was 88 and the ó =5.2, construct a 95% confidence interval for the mean score of the students.

logic
if an argument does not commit a fallacy, it is a)necessarily valid b)necessarily sound c)Not enough information to determine d) Both A and B

physics
a ball is dropped from a height of 10 meters.if the energy of the ball is reduced by 40% after striking the ground,how high can the ball bounce back?

math
how do you sketch the graph for 2x+y=4 using a domain -3x<3

statistics
Chicken Delight claims that 91 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 60 were delivered within the promised time. At the .02 significance level, can we conclude that less than 91 percent of the...

math
8-x>4

statistics
How do I do an excel file? Also, the data is missing because that is the way it was given-In the SPSS19 one would use 999 to represent a missing variable, I guess!

statistics
provided with data representing the time it took husbands and wives to run a mile. All data are in minutes Husband Wife 8.2 9.7 8.9 8.5 9.7 8.9 9.8 8 10 9 7.9 7.9 6.7 8 8.9 7.9 12.2 9.9 15 10.2 8.8 8.4 8.9 -- 21 10.4 11.3 9.2

math
A draw contains 3 black socks and 2 white socks. A sock isdrawn at random and then replaced. Find each probability. p(2 black) p(black, then white) p(white, then black) p(2white)

math
write an equation of the line containing the specified point and perpendicular to the indicated line? (-2,-5),x-2-2y=3

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