# Posts by sherry

Total # Posts: 286

**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 ...

**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