Wednesday
July 30, 2014

Posts by Lisa


Total # Posts: 2,968

algebra1 HELP PLEASE
y = x2 - 7 what are the x intercepts

algebra1 HELP PLEASE
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped from a height of 210 feet. Write a function for the height of each ball. h1(t) = h2(t) = When does ball 1 reach the ground? Round to the nearest hu...

algebra 1 please help
Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x - 7 > 5

algebra1please look over THANK YOU
The point (2, 15) is in the shaded region of which of the following inequalities? A) y<-x^2-4x+1 B) y>-2x^2-4x ---(slash under the >) C) Y<2x^2+3x+1 D) Y>2x^2+3x+1 i got B. :)

algebra1 HELP PLEASE
Simplify the expression: (2 + 6⋅i)(-1 + 6⋅i)

algebra1 HELP PLEASE
Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x - 7 > 5

algebra1please look over THANK YOU
Simplify the expression. (-4*i)(-4*i) I got 16 is that right

algebra1please look over THANK YOU
Write the number in the form a + bi: square root -9 + 16 i got 16 +3i is that right

algebra1 HELP PLEASE
find the value of x and y that make each equation true -4+(y)^i=-12x-i+8 please show the steps thanks

Algebra1 HELP PLEASE
Solve 7⋅x = x2 - 6 by using the Quadratic Formula. Round to the nearest tenth.

algebra1 Help pleASE
A gardener wants to create a rectangular vegetable garden in a backyard. She wants to have a total area of 13 square feet, and it should be 12 feet longer than it is wide. What dimensions should she use for the vegetable garden? width = feet length = feet

algebra1please look over THANK YOU
The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry? I GOT 3 is that right

algebra1please look over THANK YOU
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet i got 50=39.4 but dont know...

algebra1 HELP PLEASE
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

Algebra1 HELP PLEASE
please look over is it suppose to be 3 if i do -1+7 =6 then divied it by 2 i get 3

Algebra1 HELP PLEASE
The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry?

Algebra1 HELP PLEASE
(x + 4)(x - 3) = -10?

algebra1 HELP PLEASE
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet

algebra 1 NEED NOW!!! PLEASE HELPPP
The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x^2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ___...

algebra 1 NEED NOW!!! PLEASE HELPPP
The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ____...

algebra 1 NEED NOW!!! PLEASE HELPPP
The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units

algebra 1 NEED NOW!!! PLEASE HELPPP
A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.

math
x-5y=-21 9y-8x=44 substitution method

algebra 1
simplify (m^2 n^-3)^2 (-m^-3 n^3)^3

algebra 1
factor the trinomial by filling in the box 2x^2+10x +12 (x +______ ) (2x+______)

PHI 208
Explain why you think these questions would be the type to reveal the computer to be a computer? Why would these responses have to be given by a human being? (If you don't think there are such questions, explain how the three questions you chose would fail to determine wh...

PHI 208
Present three specific questions that you would ask in the Turing Test to determine if something is real or artificial intelligence.

physics 1
A child of mass M using a parachute reaches a terminal velocity V, with the air resistance directly proportional to the square of the child's velocity. If an adult of mass 3M uses the same parachute under exactly the same conditions, his terminal velocity will be closest ...

math
the class is 50 students 30 like chocolate, 25 like vanilla, and 18 like both, which like neither.

English
Which one of the following statements Is not characteristic of Edward Taylor? He was a minister in Westfield, Massachusetts. He was fired from a teaching position because he refused to take an oath contrary to his religious beliefs. He was probably a very likeable man, well-re...

Intermediate algebra, concepts and graphs
How do I solve the absolute value of: (x-2)>1? I am completely lost and my homework online is saying I did it wrong. I came up with 3<x<1. Help!

Intermediate algebra, concepts and graphs
what times what equals -7 and what + what =18?

Intermediate algebra, concepts and graphs
a bullet is fired into the air with an initial upward velocity of 64 fps from the top of a building 80 feet high. The equation that gives the height of the bullet at any time (t), is h=80+64t-16t^2. Find the times at which the arrow will be 128 feet in the air? This talks abou...

Finite Math- Please help!
Hi, I'm having trouble finding the overall output. output at A is pq output at B is ~q+r output at C is ~p(~q+r) What is is the overall output? I'm having trouble getting the EXACT answer with parethesis. Please help!! Thanks and God Bless!!

math
Solve the following inequality and answer in interval notation: 5(3a+4)<14.

Intermediate algebra, concepts and graphs
Solve the following inequality and answer in interval notation: 5(3a+4)<14.

Intermediate algebra, concepts and graphs
Tickets for a school event were $2.50 for students and $3.50 for parents. If a total of 80 tickets were sold for $234.00, how many students and parent tickets were sold?

Intermediate algebra, concepts and graphs
Every item in Just a Dollar store is priced $1.00. when Jack opens the store there is $175.00 in the cash register. When he counts the money in the register at the end of the day, the total is $1088.75. If the sales tax rate is 7.5%, how many items were sold that day?

Life Orentation
1)Poverty-limited health care. 2)Discrimination, stigma, and homophobia-discourages individuals from seeking medical testing, prevention, and transmitted sources. 3)Individuals living with HIV can increase risk infection to their sexual partners. 4)Higher rates of undiagnosed ...

Intermediate algebra, concepts and graphs
Thank you.

Intermediate algebra, concepts and graphs
A garden is in the shape of a square with perimeter of 32 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is two feet from the first fence on the outside. If the material used to build the two fences is $1...

Math
4 people at $3.50 each=$14.00 $3.50*4=$14.00

Intermediate algebra, concepts and graphs
This is the answer I came up with and the website for my homework says it is wrong. I thought I was doing this equation wrong. Thank you.

Intermediate algebra, concepts and graphs
How would I figure out another rectangle equation? The length of a rectangle is 4 meters less than 3 times the width. The perimeter is 24 meters. Find the width.

Intermediate algebra, concepts and graphs
How did you do this? What are the steps? I would like to know how to figure this out too. Thank you.

Intermediate algebra, concepts and graphs
A rectangle is 7 times as long as it is wide. The perimeter is 80 feet. find the dimensions.

PHI 208
Many philosophers insist that our most strongly held beliefs should be examined and critically evaluated. Using the required text and outside sources, explain what philosophers mean when they say that beliefs need justification? What is the importance of subjecting our beliefs...

Finance
You hold a diversified portfolio consisting of a $10,000 investment in each of 15 different common stocks (i.e., your total investment is $150,000). The portfolio beta is equal to 1.1 . You have decided to sell one of your stocks which has a beta equal to 0.9 for $10,000. You ...

Finance
Calculate the required rate of return for Mercury Inc. to the nearest .1 Assume that investors expect a 3.0 percent rate of inflation in the future. The real risk-free rate is equal to 5.8 percent and the market risk premium is 9.3 percent. Mercury has a beta of 1.5 , and its ...

chemistry
How much milk at 10 degrees would need to be added to 250 ml of coffee at 95 degrees celsius to cool the coffee to 90 degrees celsius

computers (Check)
I had someone help me and those are the right answers. Thanks anyway.

computers (Check)
Will someone please check my C++ for me? 1. What does the Load ( ) method do? Gets data from a file and puts it into a DataSet object. <----- Gives a value to an attribute of an XmlElement object. Deletes all the data in a DataSet object. Tells a form to appear. 2. Scenario...

math
The length a spring stretches is directly proportional to the force applied. If a force of x pounds stretches a spring h inches, how much force is necessary to stretch the same spring m inches? (Assume x = 7, h = 4, and m = 15.)

business math
450

algebra
what is the diffance of a number and 20 more than than that number use x

PHI 103
I need some references of stereotype

PHI 103 disc 2
Do you think it is more likely that you will not be fooled by these fallacies having studied logic? What do you think those presenting these arguments assume about the logical skills of their viewers? Is this a good or bad assumption for them to make?

PHI 103 disc 2
Identify two distinct fallacies you see committed in the media.

math
What is the portion if the base is 900 and the rate is 12 3/4

PHI 103
construct three different arguments that display distinct fallacies. Give an explanation of why each makes a mistake in drawing the conclusion it does.

Philosophy
LOGIC and ARGUMENTS – the simple elements Arguments are Composed of THREE PARTS: 1) Premises = basic, commonly accepted reasons – the “why’s,” and “how’s.” 2) Inferences = reasoned “guesses” or based assertions connecting concl...

Algebra
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 200 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to t...

trigonometry
tanx/2=tanx/secx+1

Fnance
If a firm has a debt-equity ratio of 1.6, then its total debt ratio must be?

Chemistry
In the titration of 14.0 mL of 0.10M acetic acid with 0.40 M NaOH, (A) How many mL of NaOH needed to completely neutralize the acid? Given the balanced equation: CH3COOH (aq) + NaOH (aq) 􏰀 CH3COO Na (aq) + H2O

ashford
16. Functional foods are those containing nutritional supplements in addition to natural nutrients. Examples include orange juice with calcium and eggs with omega-3. Kolodinsky, et al. (2008) examined attitudes toward functional foods for college students. For American student...

algebra
The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour. ...

algebra
The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour. ...

algebra
Find the slope of the line that passes through the points (–3, –6) and (1, 6).

math
if the volume of a room is 864 and the length and width are the same, what is the height?

math
70% of 72=

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

chemistry
When totally digested by acid and rocessed into a sample of one liter solution volume for spectroscopy, a 3.21 gram sample of alloy yeilded an absorbance of 0.288. Calculate the percent by wieght of iron in the alloy sample

calculus
Let A be the region in the plane consisting of those points (x,y) such that 0≤y≤1−x^2. Rotate A around the x-axis in space. What is the volume of the resulting solid?

calculus
Let f(x)=3x^2+x+3/2x+1. What is the derivative of f with respect to x

calculus
limx→4 4x^2−15x−4/x−4.

Math
a person deposited $500 in a savings account that pays 5% annual interest that is compounded yearly. at the end of 10 years, how much money will ve in the savings account?

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
Kim Johnson purchased an asset for $80,000. Annual operating cash inflows are expected to be $30,000 each year for four years. At the end of the life of the asset, Kim will not be able to sell the asset because it will have no salvage value. Required: What is the net present v...

Chemistry
A student in lab gathered temperature and concentration data for the solubility of borax and generated a plot of ln(Ksp) vs. 1/T having the equation of the line y = -11655x + 35.585. Determine the temperature (in units of K) at which the reaction becomes spontaneous.

4th
solve 1/2 + 17/35 =

science
If a population is not in genetic equilibrium, what must be occurring in the population

POEM FOR MS.SUE
Aww. That is sweet. Ms. Sue has helped me in the past, too. I am grateful for her.

Math
Try drawing it. Plot a point in the middle of three of the sides. It cuts the rectangle in half. The area that remains would be 18 square units. Now draw a line from the middle of the base of the triangle (the line cutting the rectangle in half) up to the point above it. You h...

7th grade science
Both parents can't be GG, because then all of the offspring would be GG. Both parents can't be gg, because then all of the offspring would be gg. You can't have one parent be GG and the other one be Gg, because some of the offspring would be GG. You can't have ...

Trig
Solve exactly over 0 ≤ θ < 2π secx + tanx = 1

science
Assuming that a population is mating randomly, no mutation or gene flow is occurring, calculate the frequencies of the two alleles for the five generations shown in the table below. Generaton #AA #Aa #aa p q Initial (P1) 42 46 12 0.65 0.35 F1 40 45 15 (?) (?) F2 38 49 13 (?) (...

accounting
On April 25, 2010, Bullseye Company purchased all of the outstanding common stock of Vista Company, paying $14,000,000. The book values and fair values of Vista's assets and liabilities acquired are shown below in dollar amounts: Accounts Book Value Fair Value Accounts Rec...

life orintation
In 10-15 lines critically discuss 5 ways in which human or environmental problem on the community(water pollution)

Science
When 2 resistors, R1 and R2 are connected in series across a 6V battery the potential difference across R1 is 4V. When R1 and R2 are connected in parallel to the same battery the current through R2 is 0.45 A. Find the values of R1 and R2. Thanks :)

grade12 life orintation
which 5 ways you critically discuss how lifestyle disease/behaviour impact on the teenager (cancer)

grade12 LO
describe the lifestyle disease/behaviour of cancer and mention 5 factors that contribute to the disease/behaviour of cancer

Chemistry
How do you calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide, Ba(OH)2, with an aqueous solution of ammonium nitrate, NH4NO3, at 25 degrees C? The complete ionic equation is: Ba2+(aq) + 2OH-(aq) + 2NH4+(aq) + 2NO3-(aq) ---> 2N...

college math
An initial investment of $1000 is appreciated for 4 years in an account that earns 6% interest, 2) compounded semiannually. Find the amount of money in the account at the end of the period.

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