Monday
October 20, 2014

Posts by JOAN


Total # Posts: 214

physics
A ball on the end of a string is whirled around in a horizontal circle of radius 0.467 m. The plane of the circle is 1.24 m above the ground. The string breaks and the ball lands 2.49 m away from the point on the ground directly beneath the ball’s location when the string...
October 5, 2014

Algebra
T-Riffic T shirts for a $20 design fee plus $8 charge per shirt printed, what is the algebraic rule?
September 26, 2014

Chemistry
Thank you
September 22, 2014

Chemistry
How much energy(in calories)would it take to heat 13g of water 2 degrees Celsius?? 1.00cal/1g C = 13 x 2 = 26 Calories Is that right?
September 22, 2014

Business Math
Portion is found by _____ the rate times the base
September 9, 2014

Business Math
Base is found by __________ the portion by the rate
September 9, 2014

Business Math
Treadmill, cost is x, amount of markup $880.00, selling price of $2,335.00, what is percent markup based on cost?
September 5, 2014

government
I say 3 too
September 5, 2014

Business Math
The Flower Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what price should the cakes be sold to achieve a 40% markup based on cost?
September 5, 2014

Business Math
Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down?
September 5, 2014

Business Math
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells dinners at an 80% markup based on cost. They decided to offer a $1.00 off ...
September 5, 2014

Business Math
Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? Round
September 5, 2014

Business Math
In October, a hardware store purchased snow shovels for $8 each. The original markup was 50% based on the selling price. In December the store had a sale and marked down the shovels by 20%. By January 1, the sale was over and the shovels were marked up to 15%. In March, the ...
September 5, 2014

Business Math
The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?
September 5, 2014

Business Math
Beacon electronics advertised a portable TV set on sale for $272.49 after a 35% markdown from the original price. What was the original price of the TV set? Round to nearest cent
September 5, 2014

Math
The Soft Step Floor Company purchases carpeting for $5.12 per sq. yard and marks it up 55% based on the selling price. What is the selling price per sq. yard? Round to nearest cent
September 5, 2014

Math
55.13
September 5, 2014

Math
The quick plumbing supply sells a set of faucets for $79.95. if a 45% markup based on cost was used, what was the cost of the faucets to quick plumbing?
September 5, 2014

Biology
When you have type 1 diabetes your body does not produce enough insulin. You have to eat correctly to maintain insulin levels. So if your heavy, you have to eat properly and loose weight. If your not use to eating properly, you will feel as if you are starving at first, but ...
September 5, 2014

Math
A whole seller buys plastic lamps for $18 each and sells them for $30.60 What is the percent markup based on cost?
September 5, 2014

math
simply (ab) cubed/ (3a) squared * b
September 3, 2014

math
find the domain, range, y and x-intercept, vertical asymptote, maximum, minimum, one-to-one, and horizontal asymptote of: a. f(x)=x^2-6x+5 b. f(x)=x^2-6x+5 on domain [-1,6]
September 3, 2014

algebra
A gardener has 120 ft of fencing to fence in a rectangular garden. one side of the garden is bordered by a river and so it does not need any fencing. a. what dimensions would guarantee a garden with an area of 1350 ft ^2 b. what dimensions would guarantee the greatest area? ...
September 2, 2014

Math
A gardener has 120 ft of fencing to fence in a rectangular garden. one side of the garden is bordered by a river and so it does not need any fencing. 1. what dimensions would guarantee a garden with an area of 1350 ft^2? 2. What dimensions would guarantee the greatest area? ...
September 2, 2014

stats
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours? A) About 25% B) About 50% C) About 75% D) About 68%
August 31, 2014

Chemistry Science
calculate the mass of carbon dioxide that would be produced when one gas of tank of gasoline (use octane) is burned in the air. assume an 80 liter gas tank and 0.703 g/ml as the density of octane
August 30, 2014

Algebra
The vertex of a graph is (2,-2) is it a minimum, yes or no?
June 12, 2014

percentages/word problem
$103.00 rounded
April 3, 2014

percentages/word problem
$272.49 = ( 1- .35) x $272.49 / 0.65 = $419.22 rounded
April 3, 2014

math
$5.90 rounded
March 1, 2014

math
A= $222.15
March 1, 2014

math
$10.00
February 26, 2014

Pre-Calculus
Find a quadratic function f such that f(1)=3, f(2)=5/2, f(-1)=1 I came out with 3 a+b+c=3, 4a+2b+c=5/2, a-b+c=1. And I know that I should do synthetic division but I am stuck.
January 8, 2014

math help please
Sorry but i forgot to pose what subject it was.
December 16, 2013

Reiny and steve do this for me please
1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)<g(x). c) Solve the equation 1/(x)+4=2(x) to check your answer to part a). d) Solve the inequality 1/(x)+4&...
December 16, 2013

chemistry calculations
when 2.750 g of the oxide of lead is heated to a high temperature,it decomposes to produce 0.0640 g of oxygen gas and 2.686 g of some new lead oxide compound.How can you use this data to determine the formula of the new compound?
December 4, 2013

math
It is $35.98
November 26, 2013

Physics
Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?
September 23, 2013

Physics
Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?
September 23, 2013

English
B. Dangerous. The Dangerous equipment in the mills was unsafe for the workers, yet small children were forced to climb around and under it every day. It makes sense :) Have a great day!
September 23, 2013

English
I would say C. Outrage. Mother Jones was outraged that the owners wouldn't say anything about child labor because the mill owners controlled stock in their newspaper. Therefore, she decided to act on her outrage to get them a little publicity. Being enthusiastic would have...
September 23, 2013

science
any one who knows the answers to these questions 3 4 12 17 18 19 21
August 24, 2013

Statistics
PROBLEM 6 answer is The result is not statistically significant, so we conclude that the sons are taller than their fathers, on average.
August 10, 2013

Statistics
PROBLEM 9 The conclusion of the test is The treatment had a bad effect. is the right answer
August 10, 2013

mathematics
Hi, I'm not sure if I'm giving the correct answer for this problem. The question states; The values of computers in the years after its purchase date are listed in the following table. Year 0=1500, Year1=1200, Year2=1100,Year3 +1000, Year 4 = 800, Year 5 =400, Year 6= ...
July 9, 2013

chemisty
how many grams of sucrose must be dissolved in 1.5kg of water ot produce a solution which has a freezing point of -2.40 degrees C?
April 14, 2013

geometry
what is tan-1 3.5= to
March 26, 2013

math
find tan 30 degrees and tan 45 degrees using the 45-45-90 triangle therom and 30-60-90 triangle theorm
March 25, 2013

science
For a given area of land, the average rate of creep is 14 mm per year. How long will it take the area to move 1 m?
March 25, 2013

hs geometry
to find the height of a tree, a student 53 inches in height measures the length of the tree's shadow and the length of his own shadow. The student casts a shadow 63 inches in length and the tree casts a shadow 67 inches in length
March 17, 2013

English 102
Where do I find a Word Processor program in MLA format?
February 26, 2013

problem solving
three digit odd number divisible by 9 digits in consecutive order and digit in hundreds place is greater than the digit in the ones place?
January 28, 2013

Physics
A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
November 27, 2012

Physics
A 17kg child slides down a 2.7m -high playground slide. She starts from rest, and her speed at the bottom is 1.8 m/s. What is the change in the thermal energy of the slide and the seat of her pants?
November 27, 2012

PHYSICS 1 ..
as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b cos 40)i-(4.00 sin 40)j+(3.00 b cos 50)i-(3.00 b sin 50)j-(5.00 b)j here b represents one city block,a convenient unit of distance of uniform size; i...
November 25, 2012

UNIVERSITY PHYSICS 1
how did u get -12.4i and 4.87j
November 24, 2012

UNIVERSITY PHYSICS 1
what the answer to letter c. how can i find the answer please illustrate to me
November 24, 2012

UNIVERSITY PHYSICS 1
PLEASE ANSWERS MY ASSIGNMENT
November 24, 2012

UNIVERSITY PHYSICS 1
as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b cos 40)i-(4.00 sin 40)j+(3.00 b cos 50)i-(3.00 b sin 50)j-(5.00 b)j here b represents one city block,a convenient unit of distance of uniform size; i...
November 24, 2012

PHYSICS
The cutting tool on a lathe is given two displacements, one of magnitude 4 cm and one of magnitude 3 cm, in each one of five situations (a) through (e) diagrammed in the figure below. Rank these situations according to the magnitude of the total displacement of the tool, ...
November 20, 2012

PHYSICS
while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.0 m north, 250 m east, 125 m at an angle theta equal to 30.0 north of east, and 150 m south. find her resultant displacement from the cave entrance.
November 20, 2012

PHYSICS
how did you get (108.25,62.5) and (0,-150)
November 19, 2012

PHYSICS
while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.o m north, 250 m east, 125 m at angle theta =30.0 north of east, and 150 m south. find her resultant displacement from the cave entrance.
November 19, 2012

Physics
Air molecules create an upward force that impacts the free fall of objects on the surface of the Earth, differing form the way an object would fall in vacuum. Question: What kind of objects should be used for experimentation if we want to limit the impact on our experimental ...
September 16, 2012

Health
High blood pressure and Diabetes
August 30, 2012

physics
A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.5 m/s2. How far does it travel while accelerating?
August 26, 2012

Learning
i think D
August 7, 2012

chemistry question on fats
for ground beef i got 62.5% of fat and 11.44 (cost/pound of fat free meat) for frank i got 46. 2% 11.13(cost/pound of fat free meat) for salami 73.5 % 61.38 (cost/pound of fat free meat) for balaoni 22.58% 12.89 cost
August 6, 2012

chemistry question on fats
Materials and Equipment Water Inlet Water Outlet Extraction Thimble Cooling Cell Flask Siphon Cup Procedure Obtain a Whiley extractor unit (see Figure next page) from the stockroom and a sample of bologna, salami hamburger or frankfurter meat from your instructor. Note the ...
August 6, 2012

chemistry question on fats
. This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More realistically, the ...
August 6, 2012

chem lab question
for ground beef i got 62.5% of fat and 11.44 (cost/pound of fat free meat) for frank i got 46. 2% 11.13(cost/pound of fat free meat) for salami 73.5 % 61.38 (cost/pound of fat free meat) for balaoni 22.58% 12.89 cost
August 6, 2012

chem lab question
is this what you wanted?
August 6, 2012

chem lab question
Materials and Equipment Water Inlet Water Outlet Extraction Thimble Cooling Cell Flask Siphon Cup Procedure Obtain a Whiley extractor unit (see Figure next page) from the stockroom and a sample of bologna, salami hamburger or frankfurter meat from your instructor. Note the ...
August 6, 2012

chem lab question
1. This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More realistically, the ...
August 6, 2012

world history
Describe how Reconstruction was brought to an end by white terror and the Compromise of 1877. Had the process of Reconstruction been effective? Why, or why not?
August 3, 2012

coding
What is the difference between ICD-9-CM codes and MS-DRGs?
May 19, 2012

Science
An astronaut is walking in space and his jetpack runs out of fuel. How can he use his empty pack to get back to the space station?
May 8, 2012

math
solve for x 4(2x-1)= 2x+35
April 27, 2012

health
How can is the importance of health documentation on patient services can affect reimbursement ?
April 15, 2012

Italy
What are some famous restaurants and hotels in Italy? Could you tell me more about their history?
March 19, 2012

trig
when sin theta+cos theta=square root of 2,find the solution of sin^3 theta+cos^3 theta
March 17, 2012

Chemistry
I meant 0.85% and 0.70% ...sorry
February 15, 2012

Chemistry
How much distilled water must be added to .85% solution Of NaCL to make a 70% solution of NaCl
February 15, 2012

physics
How much heat is required in order to change 5 g of ice at -15 degree to steam at 150 degree?
February 7, 2012

physics
A 20 g sample of aluminum at 85 degree is dropped in 500g of water. The resulting temperature of aluminum and water is 25 degree. What is the initial temperature of water?
February 7, 2012

physics
A uniform steel chain 20 m long and with a mass of 5 kg per m, hangs vertically. Compute the work required to wind it up
January 24, 2012

physics
a 400 kg crate is to be lifted a height of 20 m in 30 s. Compute the work done and the power consumed in lifting the crate
January 24, 2012

trigonometry
From the top of a hill 700 ft high an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two markerstones.
January 18, 2012

Finance
listing the different sources of short-term financing. Discuss the characteristics of each source and explain why a company might choose one over the other.
November 17, 2011

chemistry
3. The solubility of BaSO4 at 25C is 9.04 mg/L. Based on this, how many grams and moles of BaSO4 remained dissolved in the 100 mL of solution? What percent of your yield does this represent?
October 23, 2011

help science
which has moroe bouyancy when dpped in water ? iron ? aluminiom ?
September 28, 2011

social studies
who is meant by stupa ?
September 28, 2011

science
what is mixed cropping ?
September 28, 2011

maths
how to prove sss conguence ?
September 28, 2011

english
how to write article review ?
September 28, 2011

chemistry
What is the maximum mass of H2 formed, when 0.380 g of aluminum are reacted with 55.0 mL of 8.00 M HCl? The other product is AlCl3
September 26, 2011

chemistry
Europium has two stable isotopes, 151 Eu (150.9198 u) and 153 Eu (152.9212 u). The atomic mass given for Eu is 151.9640 u. What is the percent abundance of 153 Eu ??
September 26, 2011

chemistry
use given to get gfw. 36/.1503= {the 36 if from C=1283 and 15.03 comes from % given} then equals to 239.5gfw (gfw) * (% unknown){unknown 100-15.03} so, 239.5 * .8497 = 203.5 then divide by 4 because of the X4 = 50.875 about 50.9 V-Vanadium. Answer: V4C3. is this correct ?????
September 26, 2011

chemistry
The compound X4C3 contains 15.03% carbon. What is the chemical symbol for X ?
September 26, 2011

chemistry
Europium has two stable isotopes, 151 Eu (150.9198 u) and 153 Eu (152.9212 u). The atomic mass given for Eu is 151.9640 u. What is the percent abundance of 153 Eu ??
September 21, 2011

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