Posts by Wanda

Total # Posts: 154

Physics
A steel wire 2.7-mm in diameter stretches by 0.211 percent when a mass is suspended from it. How large is the mass in kg?

Physics
A 0.471-kg hockey puck, moving east with a speed of 8.17 m/s, has a head-on collision with a 0.795-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed of the 0.795-kg puck after the collision?

Physics
What should be the spring constant k (in N/m) of a spring designed to bring a 1105-kg car to rest from a speed of 69-km/h so that the occupants undergo a maximum acceleration of 3.8g's?

calculus
Find an equation of the tangent line to the graph at the given point. (The graph is called a Witch of Agnesi.) f(x)= 7 / x^2 + 3 (2,1)

Physics
At the instant a race began, a 60-kg sprinter exerted a force of 669-N on the starting block at a 24 angle with respect to the ground. If this force was exerted for 0.44-s, with what speed (in m/s) did the sprinter leave the starting block?

physics
A block has a mass m=6.9-kg and lies on a fixed smooth frictionless plane tilted at an angle of 24.4 to the horizontal. Determine the acceleration (in m/s2)of the block as it slides down the plane.

vocabulary
denotative definition are also known as connotative,derect,inderect or none of the above definitions?

Human Relations
Think of two or three informal groups that you are currently a part of or have been in the past

business math
Mike Drago took out a loan for $3,800 at the Gold Coast Bank for 280 days. If the bank uses the ordinary interest method, what rate of interest was charged if the amount of interest was $278? Round your answer to the nearest tenth of a percent.

applied business math
Thomas Rendell's company pays him a straight 7% commission with a $1,570 drawing account each month. If his sales last month totaled $142,280, how much commission is owed to Thomas?

math
3 feet

math
W decreased by 7

math
I need help with this one

Macroeconomics
The Feds will have to purchase twenty five billion dollars in government securities in order for interest to be applied increasing the funds to $100 billion.

Calculus
dos soluciones para cada ecuacion x-y=7 y=x-4 y=2-3x

Bus. Math
The Soft Step Floor Co. Purchases carpeting for $5.12 per square yard and marks it up 55% based on the selling price. What is the selling price per square yard? Round to the nearest cent

Bus. Math
What payment should be made on an invoice in the amount of $3400 dated August 7 if the terms of the sale are 3/15,2/30,n/45 and the bill is paid on August 19 and September 3

math
Jocelyn borrowed 3.75 kg of flour from her grandmother to bake 3 batches of cookies and 2 cakes. Each cookie recipe called for 225 grams of flour. Each cake recipe needed 1.2 kg of flour. After baking, how much flour was Jocelyn able to return to her grandmother?

math
-82+27/72

math
Select the expression that represents the statement "27 more than a number

Finance
Paul's credit card closes on the 14th of the month and his payment is due on the 25th . If he purchases a $300 stereo on the 18th , how many interest days will he have? I need the answer and how you answered it? Thank you so much!

Personal Finance
Claire earned $9000 in a 15 month CD that pays an annual 8.67% . How much did Claire earn with this? Could you show me the steps to the answer

mechanics of commun
can you please identify the verb, complete verb phrase, sentence pattern, the subject, indirect object, direct object, complement, infinitive or prepositional phrases or clauses for the sentence, "Ms. Georges and I submitted purchase requisitions."

Finance
Explanation on how to work this problem. Claire has invested $10,000 in a 15 month CD that pays an annualized rate of 9.02% . How much interest will Claire receive at maturity?

Finance
Sue how did you get the 0.05 % on my last question. And here is another problem. Claire is depositing $14,000 in a 24 month CD that pays an annualized rate of 3.85%. How much will Claire receive at maturity.

Finance
How do you figure out these kind of problems. Lisa is depositing $2700 in a 6 month CD that pays 3.71% interest. How much will she accrue if she holds the CD till maturity?

Computers
What is the name of a personal digital assistant in apples smart phone

chem
the density of mercury is 13.5g/cc what volume of mermury would have a mass of 100g?

computers
No

Chemistry
Please explain how to set this problem: A solution has a density of 1.73 g/ml. If it's weighs 4.3 ounces, what is the volume. ?

algbra
perform the given set operation. let u={1,2,3,4,5,6,7,8,9,10} {x[xis a multiple of 2}u {x is the multiple of 3}

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. (You may need to use the standard normal distribution table. Round your answers to the nearest whole number.) (a) ...

math
Ms IRA you added the .75 instead if subtracting it.

Stats
The probability of a child getting coal in their stocking is 0.2. If Santa visits 3 kids on Christmas day a) what is the probability of 2 children getting coal? b) 1 or fewer children receiving coal? Please help me - my brain is fried!

Math
Ms. Taylor has a budget of $1500 to spend on a table and 6 chairs. The total price she spent was $249 under her budget. The table costs 3 times more than a chair. What was the price of the table?

math
true

math
is 17 - 6 >= 9 equivalent to 9 <= 17 - 6

Physical Science
if a blue object is placed in front of the screen, what color will it be? explain the answer.

Physical Science
A car of mass 900 kg moves at 10 m/s. What is the braking required to stop the car in a time of 5 seconds

Physics
If a 1.0m crowbar is placed uner a 143 kg rock at a point 20.0cm from the end of the bar, what is the IMA of the crowbar?

statistic
a roulette wheel has alternating red and black numbered slots in one of which the ball finally stops to determine the winner. It gambler always bets on black to win. What is the probability at least 24 times in a series of 36?

business law
At issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that encryption programs are...

college algebra
2a^2-3a=20 solve for a

college algebra
solve for x -4/3x-1<7

college algebra
(2x^3)^3/(-3x^5)^2

Intermediate Algebra
solve for q: 1 = 1+ 1 __ __ __ f p q

Intermediate Algebra
The speed of a boat in still water is 29mph. if the boat travels 140mph downstream in the same time that it takes to travel 92miles upstream, find the speed of the stream.

Intermediate Algebra
A 6-foot man cast a shadow of 2.5ft. At the same time of the day, a tree cast a shadow of 25 ft. How tall is the tree?

Intermediate Algebra
i^59 and 4 ____ 3+5i

math
a cookie recipe calls for 3/4 cups of sugar for 24 cookies. how many cups of sugar to make 36 cookies

Intermediate Algebra
x+8 X+5 __________ _ ___________ X^2-10x+21 x^2-3x-28 Subtract, then reduce if possible

Arts & Design
What is Veriety

algebra
how to graph point-plotting method this equation? x=y^2 + 2

Elementary Algebra
Can you help me solve this problem by elimination? 4x-2y=16 5x+7y=1

Elementary Algebra
How do I figure out whether or not (-1,-2) is a solution for the system. y=3x-1 2x+y=4

Elementary Algebra
I need help setting this problem up? AT&T one rate 10cents nation wide direct plan for $2.99 a month plus 10cents per minute. Quest 5cent long distance plan for $4.99 per month plus 5cents per minute. For what number of minutes per month will the two plans cost the same?

Elementary Algebra
How do you solve by elimination this linear equation? 8x-3y=-6, 5x+6y=75

Elementary Algebra
The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?

Elementary Algebra
How do I solve the system of equations by graphing? example:4x+y+2, x= 1/2+5

Elementary Algebra
Simplify:2x-9 Divided by 9-2x

Elementary Algebra
I need an explanation on how to work out negative exponents. Example: (3a^-2b^3)^-2

College Math
Why is the product of two numbers not always their least common multiple?

math
What is the process to list all numbers for which rational expression is undefined? Ex: y-3divided y+5

Math
Right Triangle one leg is 400ft. long. The hypotenuse of the triangle is 200ft. longer than the other leg. What is the dimensions of this triangle?

Math
Engine failure forced Robbin to pilot her Cessna150 to an emergency landing. TO land, Robbin's plane glided 17,000 ft over a 15,000-fot stretch of deserted highway. From what altitude did the descent begin?

Physics
A 2 kg mass hangs at rest from a spring that causes a displacement of 25cm. What is the spring constant, k, for this spring?

algebra
2.) Use algebra to find the value of a in the triangle when x=a, y=2a, z=3a. Notice the measurement of the angle is not necessarily the as the value of a.

math
find the product of 5.2 x10^3and 6.5 x10^7

human behavior at work
examine the trends in the models of organizationalbehavior as they develop over a period of time. why have the trends moved in a positive direction?

human behavior at work
both philosophy and visions are somewhat hazy concepts.How can they be made clear to employees?why are philosophy and vision included as early elements in the organizational behavior system?give an example of an organizational vision that you have read about or heard of.

Statistics
If a researcher were studying the effects of a teaching method on patient learning outcomes, how would the research question need to be worded to use a t-test to test for statistical differences? What would the null and alternative hypotheses be?

math 3rd grade
48 muffins in the third batch because it was x2. So you actually divide 96 by 4=24 in each batch. so if the banana=24,blueberry=24, 3rd batch =48 then you have a total of 96

Math 208
Question number 5 is talking about a public four-year college. So we know this: 2000-$3,500 2001-$3,700 2002- ? 2003- ? 2004-? 2005-$5,100 Repeating exercise 1-4 it is talking about private four-year college. So we know this: 2000-$16,200 2001-$17,300 2002- ? 2003- ? 2004- ? ...

Math 208
x=3y+2 Write the equation in slope–intercept form. (b) Give the slope and y-intercept of the line

Math 208
x=3y+2

Algebra 208
Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was $16,200, and in 2005 it was $20,100. Sketch a line that passes through the points (2000, 16200) and (2005, 20100).

College Chemistry
150 grams of aluminum,250 grams of iron, 350 grams of lead?

Math 208
Grade Average A student scores 65 and 82 on two different 100-point tests. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 70?

statistics
minnie went to union high school while mickey went to southern high school. both schools have equally challenging classes, class size, grading policies, etc. the one difference is in their year end tests. the union high test is out of 100 points, whereas the southern high test...

statistics
determine the probability that a sample of 49 boxes will have a mean weight below 365 grams. past records show that the population mean is 368 grams and the population standard deviation is 7. the probability will be between.

statistics
the mean of all possible means(when dealing with a sampling distribution) will be equal to the population mean.

statistics
Determine the probability that a sample of 49 boxes will have a mean weight below 365grams. past records show that the population mean is 368 grams and the population standard deviation is 7. the probability will be between

Math
How much do I have to save monthly at a 3.5% interest compounded quarterly to get a final amount of $4000?

Chemistry
A certain classification test calls for 5 mL of 1.2 M NaOH. The only concentration of NaOH solution available is 3.0 M. Describe how you would make the quantity that you need of the 1.2 M NaOH solution.

Chemistry
Describe how you could make approximately 5 g of a 3% (w/w) ferrous ammonium sulfate solution

Chemistry
Describe how you could make 5 mL of 2M potassium hydroxide solution if you have potassium hydroxide pellets available.

business law
At issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that encryption programs are...

statistics
the average patient lasts 45 minutes on the tilt table. the current patient only lasted 15 minutes. if the standard deviation is 5 minutes. The Zscore that represents the current patients time of 15 minutes should be.

algebra
<3 and <4 form a linear pair. The measure of <3 is four more than three times the measure of <4. Find the measure of each angle.

MATH
The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula: t=d over the square root of 16 If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, from what height was the hammer dropped

Math 209
Jonathan I am not sure how you got your answer,,, did you multiply 150x1.017x25 I am just not sure how you got your answer could you help me a little more

Math 209
If C dollars are deposited in an account paying r percent annual interest, approximate the amount in the account after x years if C=$150, r= 1.9% and x=25 years

Math 209
A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+20 n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

Math 209
A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+_20__ n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

Math209
Reiny the problem is t=6+20 over n=+2

Math209
A particular rat given n trials in a maze can run through the maze in t minutes, where t=6+20/n+2. How many trials are needed so that the rat can runthrough the maze in exactly eight minutes?

Math 209
The width of a rectangular carpet is 7 meters shorter than the length, and the diagonal is 1 meter longer than the length. What are the carpet's dimensions?

economics
You are a painter, and the price of a gallon of paint increases from $3.00 a gallon from 3.50 a gallon. your usage of paint drops from 35 gallons a month to 20 gallons a month. perform the following:

Physical Science
Thanks Damon!!

Physical Science
A 2.9-kg pile of aluminum ( = 2.70 g/cm3) cans is melted, and then cooled into a solid cube. What is the volume of the cube? a. 931 cm3 b. 1074 cm3 c. 1365 cm3 d. 889 cm3 Thank you!

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