Saturday
December 20, 2014

Posts by STEPH


Total # Posts: 336

Algebra 2
Can someone please help me do the follow problem... ...The cost (in dollars) of producing x sneakers in a factory is given by c(x)=60x+750. The number of sneakers produced in (t) hours is given by x(t)=50t. Fund c(x(t)). Evaluate c(x(5)) and explain what this number represents.
December 16, 2014

Algebra ASAP thx
Tim is reading a book. On Monday he reads 3 pages. On each day after that, he reads 3 times the number of pages that he read on the previous day. How many pages does he read on Thursday?
December 15, 2014

Algebra please help answer
A certain colony of bacteria triples in length every 10 minutes. It's length is now 1 millimeter. How long will it be in 40 minutes? Please help answer thx
December 15, 2014

Algebra
Divide
December 10, 2014

Algebra
How many 0.6 liter glasses can you fill up with a 4.5 liter pitcher?
December 10, 2014

Algebra
Barbara can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes?
December 10, 2014

Calculus
a particle moves along the x-axis at a velocity of v(t)=1 sqrt(t), t>0. at time t=1 , its position is x=4. find the acceleration and position functions for the particle
December 4, 2014

Science
Polysaccharides break apart by the process of hydrolysis and need _________ for this process. Can you please help me fill in the blank.
December 3, 2014

Algebra please help
1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx
November 20, 2014

Algebra
Would you divide 5280 by 3600
November 19, 2014

Algebra
One hour = 3,600 seconds and 1 mile= 5,280 feet. MAke a conjecture about how you could convert a speed of 15 miles per hour to feet per second. Then convert please help answer
November 19, 2014

Algebra
What is the result if you multiply a number of cups by 8 fl oz/ 1 cup and then multiply the result by 1 cup/ 8 fl oz? Give an example thx
November 19, 2014

Math please help out
What are the dimensions of a football field in feet? If one side is 53 1/3 yards and the other is 120 yards? Please help answer B. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? C. About how many laps around the ...
November 19, 2014

Algebra help
Can you help answer these questions? Thanks ASAP
November 19, 2014

Algebra please help out
How would you convert 5 feet 6 inches to inches?
November 19, 2014

Algebra please help out
In Beijing in 2008, the women's 3,000 meter steeplechase became an Olympic event. What is this distance in kilometers? Please help answer thx
November 19, 2014

Algebra please help out
If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? Please help answer and give an example. Thanks
November 18, 2014

chemistry
You perform the following titration: You placed 35 mL of H2S in a flask and placed it under a buret. The buret contains 0.243M Sr(OH)2 and you are going to titrate the H2S with the base. You titrate until the color changes. At that point, you record that you used 10.15mL of ...
November 14, 2014

Algebra 2
(192x^2y+72x^3)-(24rxy-9rx^2) I need help factoring completely in groups and can you please show all your work thank you
November 6, 2014

Math
Solve 2x^3y^-3*2x^-1y^-3
October 23, 2014

Math
Thank you so much
October 21, 2014

Math
Or simplify down to the very end
October 21, 2014

Math
I need to solve it
October 21, 2014

Math
((1/2)^-5)^2
October 21, 2014

Math
How do you solve the equation by completing the square X^2+4x=10
October 4, 2014

Algebra
How do you solve the equation by completing the square X^2+4x=10
October 4, 2014

Math
Posted by NEED HELP on Monday, September 29, 2014 at 9:12pm. Have three problems and I'm really confused how to solve/simplify 1. 4/3+square root of 5 2. -4/-4+4square root of 2 3. 1/1+ square root of 2
September 29, 2014

physics
The distance each floor of the office building is 3.0 m. Which table shows the total distance traveled and displacement of the elevator?
September 18, 2014

physics
A 1.8-kg object moves in the x direction according to the following function: x(t) = 2t2 + 3t − 5 (SI units). What is the force on the object after 2.7 s?
September 10, 2014

PreCalculus
For the function f ( x ) =3x+2/5 , find the difference quotient f(a+h)-f(a)/H
March 25, 2014

business management
how can an organisations strategic and business plan influence staff recruitment, selection and induction?
March 19, 2014

chemistry
A sample of gas has a mass of 0.565g . Its volume is 120 mL at a temperature of 80∘C and a pressure of 747 mmHg . what is the molar mass
March 9, 2014

Physics
A driver in a car traveling at a speed of 72 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 104 m?
March 2, 2014

Physics
A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 3.6 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 60° when they move past the window, as the ...
February 16, 2014

Maths
Thanks! :)
February 3, 2014

Maths
£2000 is invested at x% interest over three years. At the end of three years the money has grown to £2963. To the nearest percentage find the rate of interest. If you could help me out I would greatly appreciate it. I've tried to figure it out numerous ways and...
February 3, 2014

Bus 311
Answer to question 1 is correct. Answer to question 2 is wrong. The correct answer is Yes, Industrial was merely attempting to negotiate. Answer can be verified in the class online text Ch 4.2 The Offer
January 9, 2014

MATH.
6. Combination of 9 pick 6 This seems easy but I am not sure how to set the problem up. Thanks!
December 4, 2013

MATH *
0=-16t^2+80t+96 Solve for t. Can someone please show me the steps on how to do this I can not seem to get it right. Thanks!!
December 2, 2013

-MATH-
h=-16t2+80t+96 Use this position polynomial to calculate the following: 1.The height of the object after 2 seconds 2.The height of the object after 4 seconds 3.How long the object will take to reach the ground? 4.Write the position function for an object that is thrown upward ...
December 2, 2013

Math :)
Im not sure what you mean by that??
December 2, 2013

spanish
Oh, when I said *this*, I meant that any words within the asterisks were required in the sentence. Sorry about that. Thanks for the help!
December 1, 2013

spanish
Could someone please proofread these sentences and correct any grammar/word use mistakes? I'm in Spanish III so these sentences aren't that complex. I need to use any words like *this*. Thanks! 1. Las flores rojas son bonitas. 2. El niño guapo es tímido. ...
December 1, 2013

business math
280800
November 9, 2013

Calc
A cardboard box manufacturer makes open boxes from rectangular pieces of cardboard of size 30cm by 40cm by cutting squares from the four corners and turning up the sides. A) find a mathematical model expressing the volume of the box as a function of the length of the side of ...
September 25, 2013

5th grade Math
which statement is true and how?
September 23, 2013

5th grade Math
The school received 14 rolls of free movie tickets from a local theater. There are 48 tickets in each roll. The school has 32 classes of 24 students each. If the school plans to give one ticket to each student, which of the following statements is true? A. The school will have...
September 23, 2013

physics
A lightbulb emits light that creates a shadow of a ball on a wall. If the radius of the ball is 12.3 cm, and the radius of the shadow is 29.5 cm, and the ball is 1.27 m away from the wall, how far is the lightbulb away from the wall? (For the present problem, you may assume ...
September 14, 2013

physics
A pair of vertical plane mirrors stands with an angle of β = 56.5 degrees between them. A pencil of light approaches in a direction parallel to one of them, as shown. After the pencil has left the mirrors, in which direction will it be going? (Give your answer as the ...
September 14, 2013

probability
What is the probability that an 8 digit numbers contains "97"?
June 20, 2013

chemistry
0.29
May 27, 2013

Math
13
May 16, 2013

accounting
Easy Move Company made the following expenditures on one of its delivery trucks:Feb. 4.Replaced transmission at a cost of $4,625.May. 6.Paid $1,615 for installation of a hydraulic lift.Sept. 10.Paid $69 to change the oil and air filter.Prepare the journal entries for each ...
April 30, 2013

Statistics
Suppose x has a mound-shaped distribution with sigma = 9 . A random sample of size 36 has sample mean 20. Is it appropriate to use a normal distribution to compute a confidence interval for the population mean m? Explain. Find a 95% confidence interval for m. Explain the ...
April 27, 2013

Chemistry
An aqueous solution of NaCl freezes at -1.6ºC. At what temperature will it boil? Given that K(b) for water is 0.52 deg m^-1.
April 17, 2013

Math
3.7 x 10^7, just like what the others say
April 10, 2013

Stats
n=194 P(r >/= 50) p= .12 (converted percent to decimal) q= 1-p = 1-.12 = .88 P(x) = r-.5 if r is to the left(greater than) therefore, P(x>/= 49.5) You need P(z>/= ?) So: mean (mu) = np = (194)(.12) = 23.28 stan. dev. (sigma) = sqrt(npq) = (194)(.12)(.88) = 4.526 z= (x...
March 27, 2013

Algebra
Area of rectangle is 40m squared it has a length that is 2m less than 3 times its width what are the dimensions of retangle
March 21, 2013

english
Thanks
March 14, 2013

english
I wrote, Ms.Marcus is tall and a little bit skinny. What are the two sound effects in the line above? Which words are involved in each sound effect. Please help I'm not good with English class thanks :)
March 14, 2013

math
Thanks
March 13, 2013

math
The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.
March 13, 2013

math
The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.
March 13, 2013

Math
Show that cos x +cos(x+60)=3/5[1+root 3]
February 20, 2013

Accounting
What is "loss of lawsuit" categorized as? Current/non-current assets, current/non-current liabilities, owners' equity, expenses or revenues?
February 5, 2013

math
It sure did! Thank you! :)
February 3, 2013

math
In rhombus ABCD, diagonals AC and BD are drawn. If the rhombus is graphed on a coordinate plane the slope of AC is 3/5. What is the slope of BD? Explain how you know.
February 3, 2013

Math
In rhombus DFGH, m<D = 51. Find the measure of <F, <G and <H.
February 3, 2013

AP Physics B
Through a pipe of diameter 15.5 cm , water is pumped from the Colorado River up to Grand Canyon Village, on the rim of the canyon. The river is at 564 m elevation and the village is at 2096 m . At what minimum pressure must the water be pumped to arrive at the village? The ...
January 23, 2013

Math
I think d am I right?
December 13, 2012

Math
Merchandise inventory purchases for a firm for a three month period are: January :2,000 units @ $12 per unit; February 1,800 @ $14 per unit; march 2,600 units @15 per unit. What is the mean unit cost of merchandise inventory? A.$12.82 B.$13.33 C.$13.78 D.$14.00
December 13, 2012

ASAP CHEMISTRY
you were right...the 500L should have been 500ml. Thanks for your help!!!
December 13, 2012

ASAP CHEMISTRY
Determine the molar mass of the following: 0.94g of a gas that occupies 500L at 0 degrees celcius and 1.00 (STP). I keep getting 32g/mol
December 13, 2012

CHE MISTRY
thank you so much. I was missing a step.
December 13, 2012

Algebra 2
Ryan moved into a new house with a 1750 gallon pool and needs to fill it. He can't figure out how to close his pool drain. It fills up in 1458 minutes,but it drains in 2187 1/2 minutes. When will it be full?
November 30, 2012

Math / Factoring
Imogene wants to make an open-top box for packing baked goods by cutting equal squares from each corner of an 11 in. by 14 in. piece of cardboard. She figures that for versatility the area of the bottom must be 80 in.^2. What size square should she cut from each corner? Hint: ...
November 29, 2012

Math
Can someone show me step by step on how to factor/solve this problem explaining the steps? 5.50 = (0.02x^3 + 5x) / x
November 29, 2012

Math
Factoring / solve for x 5.50x = 0.02x^3 + 5x
November 28, 2012

Math
What did you do with the exponent?
November 22, 2012

Math
Thank you!
November 22, 2012

Math
The function C = (5/9)(F - 32) expresses the Celsius temperature as a function of the Fahrenheit temperature. Find the inverse function. What is it used for?
November 22, 2012

Math - Please help ASAP!
Thank you! I just wasn't sure about that formula :)
November 22, 2012

Math - Please help ASAP!
The revenue in dollars of a company selling its products per month is given as, R(x) = 3000x - 20x^2, while the cost in dollars is given by, C(x) = 600x + 4000. Find and simplify P(x), where P(x) is the profit per month.
November 22, 2012

Math
Determine whether each of the following function is invertible and very briefly explain your answer. a) The function that pairs the number of days since your birth with your age in years. b) The function that pairs the speed of your car in miles per hour with the speed in ...
November 22, 2012

Math / Inverse Functions
... are you from UOIT?
November 21, 2012

Math / Inverse Functions
What textbook? :S
November 21, 2012

Math / Inverse Functions
The revenue in dollars of a company selling its products per month is given as, R(x) = 3000x - 20x^2, while the cost in dollars is given by, C(x) = 600x + 4000. Find and simplify P(x), where P(x) is the profit per month.
November 21, 2012

Math
and the range please!
November 15, 2012

Math
What is the domain of y = sqrt(5 - x)
November 15, 2012

Chemistry
Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much heat, in kilojoules, will be required to heat a 500.0-g sample of lead from 23.0ºC to its melting point and then melt it?
November 4, 2012

Chemistry
Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much heat, in kilojoules, will be required to heat a 500.0-g sample of lead from 23.0ºC to its melting point and then melt it?
November 4, 2012

math
Area of a rombus: A=1/2d1d2. Solve for d1
October 30, 2012

math
the equal signb1=b2 should be b1+b2
October 30, 2012

math
area of a trapizoid:A==h/2(b1=b2). solve for h dont know how so solve it
October 30, 2012

Simple Interest Applications
An investor purchased a 91-day, $100,000 T-bill on its issue date for $99,326.85. After holding it for 42 days, she sold the T-bill for a yield of 2.72%. a)What was the original yield of the T-bill? b)For what price was the T-bill sold?
October 24, 2012

math
thanks
October 17, 2012

math
you are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to the vacation spot. You estimate that you drove at an average speed of 50 miles per hour. How many hours were you not driving?
October 17, 2012

math
you are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to the vacation spot. You estimate that you drove at an average speed of 50 miles per hour. How many hours were you not driving?
October 17, 2012

CVP Analysis - Business Math
Engineering estimates show that the variable cost of manufacturing a new product will be $35 per unit. Based on market research, the selling price of the product is to be $120 per unit and variable selling expense is expected to be $15 per unit. The fixed costs applicable to ...
October 16, 2012

Business Math - Please Help is Possible!
Import exclusives Ltd. received an invoice dated June 28 from Dansk Specialties of Copenhagen with terms 5/20, n/45: 100 teak trays at $34.30 each; 25 teak ice buckets at $63.60 each; 40 teak salad bowls at $54.50 each. All items are subject to trade discounts of 33 1/3%, 7 1/...
October 10, 2012

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