Thursday
May 26, 2016

Posts by MatT

Total # Posts: 2,134

Math
You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is 5 ft by 12 ft rectangle in ...
May 25, 2016

Math
Create a container to store extra shirts and hats. Some shirts and hats get sold and no one comes to pick them up. They must be stored for next year. What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume), how do you ...
May 25, 2016

Math
You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is a 5ft by 12ft rectangle in ...
May 25, 2016

Math
What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume)
May 25, 2016

Physics
A DIVERGING lens has a focal length of 35 cm. (a) Find the image distance when an object is placed 48 cm from the lens. (b) Is the image real or virtual magnified or reduced?
May 22, 2016

Physics
A DIVERGING lens has a focal length of 35 cm. (a) Find the image distance when an object is placed 48 cm from the lens. (b) Is the image real or virtual magnified or reduced? I am very lost and don't even know where to start
May 22, 2016

Algebra
Thank you
May 20, 2016

Algebra
Please check my answer The ordered pairs (0,1), (1, 6),(2, 36), (3, 216), and (4, 1,296) represent a function. What is a rule that represents this function? A y=x^6*** B y=6x C y=x+6 D y=6x
May 20, 2016

Chemistry
Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25°C. Calculate the molarity of a solution of acetic acid made by dissolving 35.00 mL of glacial acetic acid at 25°C in enough water to make 400.0 mL of solution.
May 16, 2016

Math
If a camera and a lock weigh 330 grams together. Also the same camera and a crown together weighs 670 grams. Also the weight of a crown and a lock is 470 grams. What is the weight of each individual object?
May 15, 2016

Algebra 1
Thank you in advance for your kind help! How much fresh water should be mixed to a 30% salt water solution, to obtain 90 gallons of a 23% salt water solution?
May 4, 2016

Algebra 1
Thank you in advance for your kind help! How much fresh water should be mixed to a 30% salt water solution, to obtain 90 gallons of a 23% salt water solution?
May 4, 2016

Math
To the nearest tenth, find the area of a circle whose radius is 6 meters. Use 3.14 for pi.
April 27, 2016

Math
Use a sum formula to show that cos(2u)=2sinucosu
April 18, 2016

Math
Hello, could someone help me set up the equation for this word problem? A sharpshooter intends to hit a target at a distance of 3000ft with a gun that has a muzzle velocity of 1200 ft per second. Neglecting air resistance, determine the gun's minimum angle of elevation ...
April 18, 2016

Trigonometry
Hello, could someone help me set up the equation for this word problem? A sharpshooter intends to hit a target at a distance of 3000ft with a gun that has a muzzle velocity of 1200 ft per second. Neglecting air resistance, determine the gun's minimum angle of elevation ...
April 18, 2016

PHYSICS work on a ramp!!!
How much work is it to push a box (mass 190 kg) up an incline (angle 16 degrees with the horizontal) that is 8.3 meters long, if the coefficient of kinetic friction between the box and the incline is 0.6? My doubt is how do I find force?
April 10, 2016

math
If it goes up 3 feet then slides down 2 feet, then it goes up 1 foot a day, so it would take 30 days to get up to the top
April 10, 2016

Math
A computer was purchased at a sale at a discount of 15%. If $688.50 was paid for it, and this price includes 8% sales tax, then what was the original price without tax or discount?
April 7, 2016

Algebra
Write an algebraic expression for the quantity. Let x represent the unknown value. Seven times a quantity decreased by thirteen
April 7, 2016

Calculus
how to make (x-3)^(2n)/4^(n) converge
April 2, 2016

Biomechanics
Jane is a 45 kg cyclist. If her bike weighs 100 N and she landed with her bike on the floor at a vertical reaction force of 890 N, what was her vertical acceleration during landing?
March 21, 2016

Math
Another problem I need to confirm: A ship is 60 miles west and 91 miles south of the harbor. a) What bearing should the ship take to sail directly to the harbor? (Round answer to nearest tenth of degree.) b) What is the direct distance to the harbor? A) Tan(theta) = 60/91 ...
March 21, 2016

Math
Could someone check my work? A 200-foot cliff drops vertically into the ocean. The angle of elevation from a ship to the top of the cliff is 22.3 degrees. How far offshore, to the nearest foot, is the ship? Tan(22.3) = 200ft/x xtan(22.3)=200ft x=200/tan(22.3) x=487.65 Answer: ...
March 21, 2016

Math
Sue bought a new dress while on holiday in the USA. The sales tax was 8%. If she was paid $6.40 tax, and if she was charged 15% duty on the original purchase (before tax), how much did she pay in all?
March 20, 2016

chemistry
Rationalize how the addition of the silver nitrate to the Fe/SCN equilibrium system had an effect even though neither Ag nor NO3 appears in the equation shown in the text. Equation in text is FE3+ + SCN- <> [FeSCN]2+. I know that AgSCN is formed and precipitates and that...
March 18, 2016

Chemistry
what is the maximum amount of NO2 which could be formed from 14.75 g of NO and 1.28 g of O2? Answer in units of mol. i believe its 2 NO + O2 -> 2 NO2 but I'm not sure and i don't know what to do when i tried with stoichiometry i got .4916 but when i got told its the...
March 17, 2016

Math
Makoto and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time. On 42 of the trials the sum was 10. What will be the probability that the sum of the numbers shown on the cubes is 10 when two fair number cubes are ...
March 6, 2016

criminal justice
Which of the following occurs when jurors return a verdict which is consistent with their own sense of justice and morality, but inconsistent with the law?
March 2, 2016

Physics
How do you determine the correct value of angular velocity to use when calculating centripetal force?
February 28, 2016

health
Need Help ! An instrument called a ________ is used to measure the volume of air that moves into and out of the lungs. A. Hydrometer B. Barometer C. Spirometer D. None of the above I think its D , But Dont Wanna Get Wrong .
February 23, 2016

Physics
A stone is thrown 60 degrees below the horizontal at 22 ft/sec and 20 meters above the ground. Using the energy equations, determine its velocity when it hits the ground.
February 21, 2016

Math help find x
Y=x/2-1
February 11, 2016

science
Wow Ms. Sue is the best right guys. lol Sure
February 5, 2016

Physics (Torque)
Your hand holds a litter of milk while your arm is bent at the elbow in a 90 degree angle. Estimate the torque caused by the milk on your arm about the elbow joint. Indicate all numbers used in your calculations.
February 2, 2016

Physics
A jet aircraft rolls onto the end of a runway before accelerating down the runway for takeoff. At the point where the aircraft leaves the ground, it is traveling at 100 m/s. If the aircraft's initial speed when it rolled onto the runway was 10 m/s, and it accelerates for ...
January 31, 2016

Math
You have a balance of $7500 on your credit card and you make no further charges. If your APR is 12.5% and each month you make only the minimum payment of 5% of your balance, then find a formula for the balance after t monthly payments. A) 7500(0.959896) t B) 7500(0.940104) t C...
January 30, 2016

Math
In the figure, -> BD is the angle bisector of <ABC. If <ABD= 3x+2 and m<ABC=7x-6, find the degree measure of <CBD A / B--- D \ C
January 27, 2016

Math
. Question 3 options: Given g(x)=−x/4+4 and f(x)=4x+1/4 , find g^-1(x) , f^-1(x) , (g∘f)^-1(x) and (f^−1∘g^-1)(x) . What can you conclude?
January 26, 2016

Math
Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. Question 6 options: a) Let k be the distance between the lighthouse and the ship. Let d be the distance from the ship has travelled ...
January 24, 2016

Math
I had this question answered before,but I'm totally confused with the answer and need a clearer answer,as I'm totally lost. This is composite functions by the way.
January 24, 2016

math
Thanks I was using it and getting 1 as the answer but since I have to plug in six more of the "p" fractions with different denominators I thought it didn't make since that for each one would be 1
January 24, 2016

math
find the sum cos^2(j) + sin^2(j), if j = p/3 -do I have to use a pythagorean identity?
January 24, 2016

Math
I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)? Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a ...
January 24, 2016

Math
I think this is suppose to be composite function
January 23, 2016

Chemisty
how many grams of propane would be burned with 80.0g of oxygen?
January 21, 2016

Math
Determine the composite function of F(x)= sin x and g(x)=x
January 21, 2016

Math
Determine the composite function of F(x)=2^x and g(x)=3-x
January 21, 2016

Chemistry
A concentration of PCl5(g), 4,0 mol/L, it appears that the proceeding PCl5(g) => PCl3(g) + Cl2(g) is achieved with a degree of balance of 20%. In these conditions, calculate the value of chemical equilibrium
January 20, 2016

i dont know how to solve this
Which number is a solution to the inequality 3x − 2 > 10? A 2 B 3 C 4 D 5
January 19, 2016

i dont know how to solve this
A taxi charges $2.25 for a ride, plus $0.25 for every 1/4 mile. Which inequality represents how many miles, x, a person could travel with $8.00? A $2.25 + $0.25x ≥ $8.00 B $2.25 + $0.25x ≤ $8.00 C $2.25 + $1.00x ≥ $8.00 D $2.25 + $1.00x ≤ $8.00
January 19, 2016

i dont know how to solve this
What is the value of x in the equation 6 + 2/3x=9 ?
January 19, 2016

how to set up this problem
Caleb has a piece of wood that is 156 inches long. He wants to cut the wood into 2 3/4 -foot sections. How many whole 2 3/4 -foot sections can Caleb cut? A 57 B 56 C 5 D 4
January 19, 2016

math please explain
Apples cost $1.62 per pound, and bananas cost $0.48 per pound. What is the total cost for 2 1/2 pounds of apples and 1 1/3 pounds of bananas? A $4.69 B $4.55 C $3.77 D $3.36
January 19, 2016

Math
would 450 nickels be greater than 25 quarters
January 17, 2016

Math
Since I am converting 450 nickels to 25 quarters would 450 nickels be greater or less than 25 quarters
January 17, 2016

Math
So would it be: 450*0.5 and 25*0.25
January 17, 2016

Math
I am stuck on this. I am converting 450 nickels to 25 quarters to see which is greater. Can you explain or show me how to do this.?
January 17, 2016

math
Assume an 18 month CD purchased for $7000 pays an APR of 4% compounded monthly. What is the APY? 2 decimal places
January 16, 2016

math
Assume an 18 month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places
January 16, 2016

math
Assume an 18 month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places The previous answer was not correct so they changed the question.
January 16, 2016

math
Sorry... Assume an 18 month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places
January 16, 2016

math
Can you please help me I've tried over 30 times on this problem please show me the formula that I need to come up with the answer... Assume and 18 months Ed purchased for 7000 days and APR of 5% compounded monthly. What is the APY? They want me to round the answer to two ...
January 16, 2016

math
That answer was wrong...so I reposted the new question and made sure I typed it right which was my fault.The new problem is now at 7%. They want the APY %
January 16, 2016

math
Can you please help me I've tried over 30 times on this problem please show me the formula that I need to come up with the answer... Assume and 18 months Ed purchased for 7000 days and APR of 5% compounded monthly. What is the APY? They want me to round the answer to two ...
January 16, 2016

math
Assume a 30 month CD purchased for 2000 pay simple interest at an annual rate of 5.5%. How much total interest does it turn what is the balance at maturity. They want to know the total interest and the balance at maturity and they want us to give our answer to two decimal places
January 16, 2016

math
Assume an 18-month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? (Fill in the blank below and round your answer to 2 decimal places.) APY = %
January 15, 2016

math
i know but it was wrong so it change %
January 15, 2016

math
Assume an 18-month CD purchased for $7000 pays an APR of 5% compounded monthly. What is the APY?
January 15, 2016

math
Assume an 18-month CD purchased for $7000 pays an APR of 3% compounded monthly. What is the APY?
January 15, 2016

Maths, Function image sets
Need a bit of help. Trying to find the image sets of two recipricol functions. The first g(x)=1/(x-2)+5 (x not equal to 2) The second g(x)=1/(x-2)+5 (x>2) Now its quite easy to draw/sketch the graph but ive not really dealt with image sets of recipricol f functions before ...
January 14, 2016

English
I have to write a rational for my English class, however I'm stuck on what to write next. The question is: What are the obstacles we face in life, and how they help us become who we are? We are supposed to both relate to real life, and a text that we read in class. I chose...
January 14, 2016

Math
1. -9p - 17 = 10 2. x over 3 - 10 = 12 3. x over 4 + 10 = 14
January 13, 2016

math
A population of 240 birds increases at a rate of 16% annually. Jemel writes an exponential function of the form f(x) =abx to represent the number of birds after x years. Which values should she use for a and b?
January 5, 2016

Math
Lila graphed the points -2 and 2 on a number line. What does the distance between these two points represent?
January 3, 2016

Math
Im wondering for this question if I'm right and going toward the right direction. Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than ...
January 2, 2016

Math
Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions: f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
January 1, 2016

Math
Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions a) f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
December 31, 2015

economics
Suppose three neighbors must vote on installation of a traffic light that costs $210. All three will share the cost of the light – that is, each person will contribute $70 to the installation. Leona values the light at $50; Lionel values the light at $50; and Theo, who ...
December 11, 2015

chemistry
You have 310. mL of a 5.75×10-5 M Pb(NO3)2 solution. How many moles of NaCl must be added to precipitate a solid? The Ksp of PbCl2 is 1.6×10-5. I'm not sure where to go after I make the ICE table
December 2, 2015

Math
water flows from a faucet at a rate of 5 liters every 25 seconds. At this rate, how much water will flow form the faucet in 45 seconds. Make a table.
December 2, 2015

math
water flows from a faucet at a rate of 5 liters every 25 seconds. At this rate, how much water will flow form the faucet in 45 seconds. Make a table.
December 1, 2015

Algebra
Steve made a business trip of 254 miles. He averaged 57 MPH for the first part and 56 MPH for the second part. If the trip took 4.5 hours, how long did he travel at each rate?
November 25, 2015

Philosophy
The following argument appeared in the draft of a bill before the Louisiana State Legislature in 2001: Whereas, the writings of Charles Darwin, the father of evolution, promoted the justification of racism, and his books On the Origin of Species and The Descent of Man ...
November 21, 2015

Math
Sally has 4.5 cups of sugar. She needs to bake brownies for for a bake sale. If each batch of brownies requires 2/3 cup of sugar, how many batches of brownies can she make?
November 17, 2015

Physics
Instead of the frictionless wheel in problem 7, imagine that the rope is tied to a frictionless pulley with radius R but an unknown moment of inertia. If the pulley always has half as much kinetic energy as the block, what must be its moment of inertia? The block has a mass m.
November 17, 2015

Calc
Gravel is being dumped from a conveyor belt at a rate of 20 {\rm ft}^3{\rm /min}. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 18 ft high?
November 16, 2015

Math
Wrong answer
November 16, 2015

Algebra
Mira’s boat goes 12 mph in still water. It travels 45 miles upstream and back in a total time of 8 hr. What is the speed of the current?
November 12, 2015

Algebra
The time t required to empty a tank varies inversely as the rate R of pumping.If a pump can empty a tank in 50 min.at a rate of 650 k?L/min, how long will it take the pump to empty the tank at 500kL/min?
November 12, 2015

Algebra
A 42 ft guy wire reaches from the top of a pole to a point on the ground 15 ft. from the pole. Find how high up the pole does the guy wire reach?
November 12, 2015

Interest
Find the amount of the annuity if the deposit is $800 quarterly for 6 years at 9% compounded quarterly. Amount=?
November 10, 2015

Compound interest
The cost of the stereo is 2526.87 i just cant figure out the amount of interest paid, i do I=P*R*T and get 397.87 or something like that and it says its wrong
November 10, 2015

Compound interest
Stereo Inc. sells a stereo system for $200 down and monthly payments of $70 for the next 3 years. If the interest rate is 5.25% per year, find: a) The cost of the stereo. Answer = $ b) The total amount of interest paid
November 10, 2015

Chem
Thank you for your help.
November 2, 2015

Chem
If 0.256 g of a compound containing only carbon and hydrogen atoms is burned efficiently and 0.780 g of carbon dioxide and 0.356 g of water are produced, how many moles of H-atoms are contained in the original (0.256 g) sample?
November 2, 2015

PLEASE HELP MS SUE!!!!!!!!!!!!!!!!!!!!!4
Its Output cell
November 2, 2015

Chemistry
Two aqueous solutions, both at 25.00°C (100.0 mL of 0.223 M Pb(NO3)2 and 100.0 mL of 0.144 M Na2S), are mixed together in a calorimeter with a Ccalorimeter of 11.8 J/°C. The temperature of the solution increases by 2.40°C. Assuming that the density and heat ...
October 28, 2015

Computer programming
I am trying to write a program in C that would be used by a car rental company. This program finds the subtotal, tax amount(6%) and finally the total. The user enters in how many days the car was rented and how many miles were driven. The total is based on this logic. The cars...
October 27, 2015

Math 142 (calculus)
Determine d^2y/dx^2 for y=(5x^5+7)^4
October 20, 2015

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