Monday
September 22, 2014

Posts by Joe


Total # Posts: 2,080

geometry
(4x+6)/(16x^2-36)/(4x^2+22x-42)
October 14, 2013

geometry
(4x+6)/(16x^2-36)/(4x^2+22x-42)
October 14, 2013

Physics
a race car driver on a straight track starts the tryout from rest at t = 0 and x = 0. the car accelerates with an acceleration given by a(t) = 0.25t (m/s^2). how far eill the car travel in 12 secs?
October 14, 2013

Chemistry
yes
October 13, 2013

physics
a javelin thrower wished to obtain a record of throwing 100 m on a flat level ground. if he hurls the javelin at 45 degrees from the horizontal, what initial speed must the javelin have?
October 12, 2013

physics
There is a 2kg block resting on a table with a 5kg block attached to the right hanging off the edge of the table and a 4 kg block attached to the left also hanging off the table find the acceleration of the 5 kg block if coefficient of static equals the coefficient of kinetic ...
October 10, 2013

english
You _____ all morning, so there is no reason to be tired.
October 9, 2013

Science
Where in you body would starches start being broken down when eaten? What process was being demonstrated when you put the three glucoses together? What general term refers to monosaccharaides, disaccharides and polysaccharides because when they break down they give our body ...
October 7, 2013

Science
Is the ratio the same in one glucose and the sucrose when it's reduced?
October 7, 2013

Science
A 1.0-kilogram book rests on a horizontal tabletop. The magnitude of the force of the tabletop on the book is
October 7, 2013

Physics/electricity
Eighteen-gauge wire has a diameter of 1.024 mm. Calculate the resistance of 19 m of 18 gauge lead wire at 20°C.
October 6, 2013

english
No it wasnt their real motivation because the british wanted to get the tax out of the colonists. I believe this will be logos because of reasoning. Is this correct ?
October 4, 2013

english
i mean "Americans are chained by the British" this would be pathos to correct
October 4, 2013

english
thank you how about this one i am really confused Americans are chained by the British but they weren't, they are there to protect the Americans.”
October 4, 2013

english
"There is no longer any room for hope." by patrick henry title:give me death or hope Would this be pathos ethos or logos I belive this would be pathos because of the emotional sense it. Is this correct/
October 4, 2013

Physics
A hockey player hits a puck with his stick, giving the puck an initial speed of 5.8m/s . Part A If the puck slows uniformly and comes to rest in a distance of 20m , what is the coefficient of kinetic friction between the ice and the puck?
October 3, 2013

Physics
Block 1, of mass m1 = 0.650kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, as shown. For an angle of θ = 30.0∘ and a coefficient of kinetic friction between block 2 and the plane of μ = 0.400, an acceleration of ...
October 3, 2013

physics
Find x-component of vector a=(4.0 , - y-direction). Find y-component of vector a=(4.0 , - y-direction).
October 2, 2013

Math
The Johnsons have accumulated a nest egg of $27,000 that they intend to use as a down payment toward the purchase of a new house. Because their present gross income has placed them in a relatively high tax bracket, they have decided to invest a minimum of $1300/month in ...
October 1, 2013

phusics
At the end of most landing runways in airports, an extension of the runway is constructed using a special substance called formcrete. Formcrete can support the weight of cars, but crumbles under the weight of airplanes to slow them down if they run off the end of a runway. ...
September 30, 2013

algebra
Kelly plans to put her graduation money into an account and leave it there for 4 years while she goes to college. She receives $750 in graduation money that she puts it into an account that earns 4.25% interest compounded semi-annually. How much will be in Kellys account at ...
September 29, 2013

Wayne community college
Yes
September 29, 2013

Wayne community college
When a 0.101 kg mass is suspended at rest from a certain spring, the spring stretches 3.80 cm. Find the instantaneous acceleration of the mass when it is raised 5.90 cm, compressing the spring 2.10 cm.
September 29, 2013

Chem
Calculate the massif 3.76x10^20 molecules of tricarbon disulphide. Determine the volume,at STP, of 10.24mol helium gas.
September 29, 2013

Chem
A 4.96L sample of chlorine gas is contained in a poison control vessel at STP. Calculate the number of grams in this sample
September 29, 2013

Physics
Two spheres are cut from the same uniform rock. One has a radius r1 = 4.50 x 10-2 m and mass M1. The mass of the second sphere is M2 = 5M1. What is the radius of the second sphere?
September 28, 2013

Math
Morgans average time to swim in a freestyle race is 29.95 seconds. which distance does she most likely Swim 50mm 50cm 50km 50m
September 27, 2013

Math
Morgans average time to swim in a freestyle race is 29.95 seconds. which distance does she most likely Swim 50mm 50cm 50km 50m
September 27, 2013

Math
4^3÷8×6-24
September 26, 2013

physics
Jane and John, with masses of 54kg and 63kg , respectively, stand on a frictionless surface 11m apart. John pulls on a rope that connects him to Jane, giving Jane an acceleration of 0.82m/s2 toward him. Part A What is the magnitude of the John's acceleration?
September 26, 2013

Physics
A man has a mass of 80kg on the Earth's surface. Part A How far above the surface of the Earth would he have to go to "lose" 13% of his body weight?
September 26, 2013

Physics
A gun is fired and a 56g bullet is accelerated to a muzzle speed of 130m/s . Part A If the length of the gun barrel is 0.60m , what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
September 24, 2013

Brain Teaser Help
C o m i c the ears wet eyebrows chicken right=right ieieceiie a l u m i n u m pa r tici ple
September 22, 2013

Math
Write the power ss a product and then evaluate 3 to the second power.
September 16, 2013

math
a=(4.8km/h - 4.5km/h)/.5h
September 15, 2013

Math
miss handson ask students to prepare booths for the Fall Fair. In all, 40 students volunteered. miss Hanson wanted no more than six students in a group. if one teacher helps each group, how many teachers will be needed?
September 14, 2013

Math
miss handson ask students to prepare booths for the Fall Fair. In all, 40 students volunteered. miss Hanson wanted no more than six students in a group. if one teacher helps each group, how many teachers will be needed?
September 14, 2013

Math
miss handson ask students to prepare booths for the Fall Fair. In all, 40 students volunteered. miss Hanson wanted no more than six students in a group. if one teacher helps each group, how many teachers will be needed?
September 14, 2013

Math
11/12 - 3/4 Help
September 12, 2013

english
what is a verb?
September 9, 2013

chemistry
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.9cm . Its mass is 1.3kg . Calculate the density of the metal.
September 1, 2013

Math
Miss Sue made an error putting in the question,can you please help me again. You are also making a fruit salad. You have already selected apples, oranges, kiwi, strawberries, and blueberries which total $17.28, you still need to purchase bananas. The bananas cost $0.44 per ...
August 31, 2013

math
You are also making a fruit salad. You have already selected apples, oranges, kiwi, strawberries, and blueberries which total $17.28, you still need to purchase bananas. The bananas cost $0.44 per pound. You choose three bunches that weigh 3/4lb, 11/3lb, and 15/8lb. Determine ...
August 31, 2013

chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
August 29, 2013

chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
August 29, 2013

physics
Find the area of a rectangle whose sides are 12.68 cm and 98.5 mm.
August 26, 2013

math
containers of sides are on sale. You can get 2 containers for $3.00 and 1 for $1.95. Determine the cost of three containers of sides.
August 25, 2013

chemistry
What is the density of a cube that has a mass of 134 g and the side of the cube measures 2.75
August 21, 2013

math
Members of the West High School Band were hard at work practicing for the annual Homecoming Parade. First, they tried marching in rows of 12, but himself to bring up the rear left Andrew. Then the director told the band members to march in columns of eight, but Andrew was ...
August 21, 2013

marketing
Michael Soles--owner of Soles Shoe Store--recently discovered that shoe stores in his trading area have an average markup of 40%. Upon investigation, Michael found that his average markup is $15 on shoes that he sells for $45. This suggests that:
August 11, 2013

math
from a standard 52 card deck, how many 7 card hands have exactly 5 spades and 2 hearts?
July 31, 2013

math
From a standard 52 card deck, how many 5 card hands will have 2 clubs and 3 hearts?
July 31, 2013

Physics
IF YOU ADD THEM ALL UP AND DIVIDE BY 69 UR ANSWER IS STILL WRONG LOL
July 25, 2013

chem
The speed of your ship in still water is 20 knots.Your ship traveled 70 miles downward in channel in the same amount of time it traveled 45 miles upward the channel.Calculate the rate of the channel current.
July 22, 2013

Math
Define a variable, and write an equation. If x is the number of candy bars that Jason started with, x - (1/3)x - 3 = (11/30)x is an equation that can be solved to find the solution.
July 21, 2013

algebra
Difference of two squares: Example: x^2 - 9 factors to (x+3)(x-3) Perfect squares: x^2 + 6x + 9 = (x+3)(x+3) x^2 -6x + 9 = (x-3)(x-3) Cubes: x^3 - 27 factors to (x-3)(x^2 +3x +9) x^3 + 27 factors to (x+3)(x^2 -3x +9) Can you see the pattern?
July 2, 2013

Statistics
This is definitly an error because Ho was rejected when it was true. Google Type I and Type II errors and you will find the definition of each and then you will be able to figure out which error happened here.
July 2, 2013

Math
To find the range, substitute the values from the domain. Example: y = -3x + 4 y = -3(-3) + 4 = 9 + 4 = 13 y = -3(-2) + 4 = 6 + 4 = 10 So, we are finding the range of 13 and 10 s0 far
July 2, 2013

Statistics
You want to use a two-tailed t-test. You do not want to use matched pairs. books set things up differently, but here is one way to do it.. group 1 = dog owners group 2 = no dog Ho: mu1 - mu2 = 0 Ha: mu1 - mu2 does not = 0 If you are allowed to use a statistics calculator (like...
July 2, 2013

Trignometry
use the law of cosines to start and find side c. Then use the law of sines to find remaining angles.
June 30, 2013

physics
A 3 N weight slides down a ramp made of sandpaper. The coefficient of friction is 0.8, and the ramp is at an angle of 50° to the horizontal. How could you calculate the magnitude of the friction force? A. 3 N × sin(50°) B. 3 N × 0.8 × 50° C. 3 N &...
June 27, 2013

Calculus
a = 14, b = 21
June 20, 2013

Math 6th Grade Level
If he used 100 bags of the flour, this means he used 1/2 of the flour (100 is 1/2 of 200). So, 1/2 of 680000 is 340000 oz that were left. Therefore, he had 340000/5000 bags (you can do the math).
June 19, 2013

pre-cal
The 3-point line in basketball is 23 ft 9 in away from the point on the floor vertically below the center of an 18-in diameter rim. The rim is 10 ft above the floor. Kim shoots a three pointer using a 9-in diameter ball from the 3-point line that just clears the basket. The ...
June 19, 2013

math
-23/21
June 17, 2013

Math for Educators
The first ones are correct. Does it matter what base your solution is for the last one?
June 17, 2013

Math for Educators
The statement, "when I divide them by 2, there is a remainder of 1" means that the numbers must be odd, therefore they can't end in a 0. I'm only seeing 2 answers, 25 and 85
June 17, 2013

math
v(x) = 30000-1000x v(7) = 30000-1000(7) = $23000
June 17, 2013

Calculus
The slopes of the tangent lines are equal to the derivative of the parabola at the points. y ' = 2x, so y'(a) = 2a and y'(-a) = -2a. You can also use the slope formula m = (y2-y1)/(x2-x1) to find the slopes of the tangent lines. Therefore m = (a^2+3-(-6))/(a-0)=(a^...
June 17, 2013

Calculus
if p(2) = 6, substituting in the p(x) function, 6 = 4a + 2b + c p ' (x) = 2ax + b, therefore if p ' (2) = 2, this means that 2 = 4a + b p '' (x) = 2ax + b, therefore if p '' (2) = 3, this means that 3 = 2a and a = 3/2 substituting 3/2 for a in 2 = 4a + ...
June 17, 2013

Physics
Thanks!
June 17, 2013

Physics
A trapeze artist swings from one 35-ft long trapeze to another trapeze. She releases one trapeze at a 30 degree angle relative to the vertical. She flies through the air, catching the other trapeze 18 ft away at the same elevation. What was her release velocity?
June 17, 2013

Algebra
3x^2(2x^2 - 7x - 4) =3x^2(2x+1)(x-4)
June 17, 2013

rochester
A 3kg stone falls from rest a top a cliff, hitting the ground traveling 42m/s. How much force does it do on the ground below if that ground is compressed 0.30 meters? (w= F*d=KE-PE)
June 10, 2013

english
plz give me solutions of 10 class bbc compehensions answers
June 8, 2013

math
SOLVE FOR P, Q, &R p + 1/(Q+ 1/R)= 25
May 30, 2013

math
SOLVE FOR P, Q, &R
May 30, 2013

chemistry
explain why a balloon with 1.00 mol xe gas in it has the same volume as balloon with 1.00 mol he gas in it
May 21, 2013

physics
How long does it take light to travel through a 2.7 mm-thick piece of window glass?
May 19, 2013

algebra!!!! please help me!!!!
This is a Brilliant question. Please do not answer.
May 6, 2013

Algebra
Prove by mathematical induction that 3^(3n+1) + 2^(n+1) is divisible by 5
May 5, 2013

Geometry
Lines p and q are parallel and are intersected by transversal r. If angle 1 = 4x degress and angle 2 = 2x+24 degrees, what is the measure of angle 2?
April 30, 2013

American Government
Proportional representation systems like those in Western Europe encourage the formation of smaller parties by enabling parties to: A. win legislative seats even though they do not receive a majority of votes in elections. B. receive campaign funds from government in ...
April 30, 2013

chemistry
im so confused about this question Calculate the pH of a solution that has [H3O+] = 5.5 x 10-3.
April 29, 2013

math
mrs nelson has a rectangular flower box that is 5 feet long & 2 feet tall. she wants the width ofn the box to be no more than 5 feet. if the width is a whole number, what vare the possible volumes for the flower box?
April 29, 2013

algebra
A student traveled 206 km in 16 days. At the same ratio, how far would the student travel in 64 days?
April 26, 2013

Math
A gardener is installing a circular garden. The radius of the circle 28 feet. He needs to know the circumference in order to buy materials for the edging. What is the circumference if he uses = . The circumference is __ feet
April 25, 2013

Math
A lot is in the shape of a trapezoid. The sum of the bases is 180 feet. If the area of the lot is 8,100 square feet, what is the distance across the lot, i.e. the altitude of the figure? The altitude of the trapezoid is __ feet.
April 25, 2013

trignometry
If it helps the answer according to this ACT compass sample test questions print out is 6.93. How to solve it is the question ... C is a 90 degree angle. AB is 8 and the hypotenuse. AC is the base .... we don't know it's length. It's on page 14 if you google this...
April 24, 2013

chemistry
platinum metal currently costs $1700 per troy ounce ( note: this is different than a regular ounce 1 troy ounce =31.1035 g. what would the costs be, in dollars , to purchase enough platinum to form a solid cone with maximum radius 0.750 m ?
April 24, 2013

chemistry
A sample of copper metal containing 7.738*10^24 atoms is drawn into a cylindrical wire with radius r = 0.625 mm . How long must the wire be in meters?
April 24, 2013

Math
Compute the number of vinyl tiles, measuring 25 cm each side, needed to tile a kitchen measuring 102 ft. by 18 ft.
April 24, 2013

Math
Write 70,633.29 two other ways.
April 23, 2013

Chemistry
What [PB2+] should be maintained in Pb(NO3) to produce solubility of 1.0*10^-4 mol PbI2/L when PbI2 (s) is added? Ksp for PbI2 is 7.1*10^-9 I can't figure it out...
April 21, 2013

Science-Chemistry
Methyl amine is a weak base with a pKb=3.35. Consider the titration of 30.0mL of .030M of Methyl amine with 0.025M HCl. a) Write the appropriate equation for the reaction. b) Calculate K for the reaction in part (a). c) Calculate pH of the initial methyl amine solution (0mL ...
April 19, 2013

Physics
A singly charged positive ion has a mass of 2.74 10-26 kg. After being accelerated through a potential difference of 268 V, the ion enters a magnetic field of 0.450 T, in a direction perpendicular to the field. Calculate the radius of the ion's path in the field. cm
April 17, 2013

Math
Remy can chop 5 carrots in 3 minutes. How long will it take him to chop 120 carrots?
April 16, 2013

Algebra
simplify and write in standard form (2p^2-p)+(7p^4+P^3+2p)
April 15, 2013

Chemistry
What volume of H2(g), stored at 26°C at a pressure of 141 atm, would be needed to run an electric motor drawing a current of 8.4 A for 4.8 h?
April 14, 2013

math
Marty walks to school 4 days each week. The walk talks 15 minutes. How much time does it take marty to walk to school & home each week. Is this correct? 15×4=60 it takes him an hour each week
April 14, 2013

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