Wednesday
October 1, 2014

Posts by Brandon


Total # Posts: 968

Math
The median score on attest is 90. Is it possible to add two or more scores to the data and still have a median score of 90? Explain
March 14, 2013

physics
A concave shaving mirror has a radius of curvature of 28.0 cm. For each of the following cases, find the magnification and determine whether the image formed is real or virtual and upright or inverted. (a) an upright pencil placed 41.6 cm from the mirror. (b) an upright pencil...
March 12, 2013

physics
A convex mirror with a radius of curvature of 34.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.5 cm behind the mirror. Calculate the object distance for the pencil and its height. Is the image real or virtual? What is the magnification?
March 12, 2013

Math
A plane flys 425 miles with the wind and 350 miles against the wind in the same length of time if the speed of the wind is 15 mph what is the speed of the plane
March 8, 2013

english 11
what were the rest of the answers
February 13, 2013

combustion
A glass melting furnace is burning ethene in pure oxygen (not air). The furnace operates at an equivalence ratio of 0.9 and consumes 30 kmol/hr of ethene. Determine the energy input rate based on the LHV of the fuel in terms of kW. •Determine O2 consumption rate in kmol/hr.
January 30, 2013

Math
2- digit number. There are nine tens. The sum of its digits is 12. What is the number?
January 22, 2013

Science
Compare how much kinetic energy and potential energy the ball has at each point and describe why the ball has that energy
January 17, 2013

math 6th grade
Well, a cube is like a square. The only different with them is that a cube is 3D while a square is flat. On a square, each side is the same length. So, on a cube if one side is 1/6, then all of the sides have to be 1/6. A cube has 6 sides, yes? ANSWER: 1/6 is the simplest form.
January 15, 2013

Math 7
Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%
January 15, 2013

Math
Thank you
January 9, 2013

Math
My son homework does not have 107 number it only goes up to 100
January 9, 2013

Math
What number is 3 tens more than 77?
January 9, 2013

Math
What number is 4 tens more than 26.?
January 9, 2013

health
It's A
January 2, 2013

Health
It's C
December 30, 2012

math
45 miles = ? feet _______ __________ 1 hour 1 second what is the feet ?
December 30, 2012

English
Corrections: 1. B: Feast of Lupercalia 2. A: Class Conflict 3. D: The Soothsayer 4. B: Caesar turning down a crown that Mark Antony is offering him 5. A: Cinna the Poet 6. C: Sending him unsigned letters 7. D: All of the above 8. B: Portia 9. B: she sees a statue of Caesar ...
December 12, 2012

english 11
What surprising action does Locust take at the end of the story? (1 point)He scratches on the eight ball. He shows up at the Lemon Tree Billiards House.*** He turns himself in to the local authorities. He sets Mitch up with his daughter. help? not sure if correct
December 8, 2012

math
estimate the percent of the number 17% of 23
December 8, 2012

math
on 3 tests you earned grades of 88%,94%,and 90%. Each test worth 150 points. The finalo exam is worth 250 points. How many points do you need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?
December 5, 2012

math
on 3 tests you earned grades of 88%,94%,and 90%. Each test was worth 150points. The final exam is worth 250 points. How many points do u need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?
December 4, 2012

math
A building 65 feet tall casts a shadow 175 feet long. Ben casts a shadow 14 feet long. How tall is Ben?
December 3, 2012

Econ
If a pure monopolist can price discriminate by separating buyers into two or more groups: A.the marginal revenue curve and the total revenue curve will now coincide. B.the marginal revenue curve will now shift to a position above the demand curve. C.the firm will face multiple...
November 30, 2012

Math
x = 3, 10, 5, 8, _, 12, _ y = 7, 21, _, _, 5, _, _
November 27, 2012

Math
x = 3, 10, 5, 8, _, 12, _ y = 7, 10, _, _, 5, _, _
November 27, 2012

physics
An open-topped tank completely filled with water has a release valve near its bottom. The valve is h = 1.9 m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, A_T, is 38 times the cross-...
November 27, 2012

physics
A 74.0 kg ice skater moving to the right with a velocity of 2.58 m/s throws a 0.18 kg snowball to the right with a velocity of 24.4 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
November 8, 2012

physics
Two carts with masses of 4.00 kg and 3.40 kg move toward each other on a frictionless track with speeds of 4.70 m/s and 3.56 m/s respectively. The carts stick together after colliding head-on. Find the final speed.
November 8, 2012

physics
A 2.7 kg ball strikes a wall with a velocity of 7.8 m/s to the left. The ball bounces off with a velocity of 6.6 m/s to the right. If the ball is in contact with the wall for 0.19 s, what is the constant force exerted on the ball by the wall?
November 8, 2012

physics
A 74.0 kg ice skater moving to the right with a velocity of 2.58 m/s throws a 0.18 kg snowball to the right with a velocity of 24.4 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
November 8, 2012

algebra
x>2
November 6, 2012

algebra
we
November 6, 2012

Pre calc
A set of 500 values has a normal distribution. The mean of the data is 24 and the standard deviation is 2. Find the range about the mean which includes 50% of the data.
November 4, 2012

Chemistry
298/-8.64=-34.49 298=273+20
November 1, 2012

Chemistry
i thought i did
November 1, 2012

Chemistry
(1.080)(-8)=(265)(P) -8.64=265P 265p/ -8.64= -30.67
November 1, 2012

Chemistry
A pressurized can of whipped cream has an internal pressure of 1.080 atm at 25°C. If it is placed in a freezer at -8°C, what is the new value for its internal pressure (in atmospheres)? I did this but got a negative number that wasnt correct
November 1, 2012

Chemistry
A pressurized can of whipped cream has an internal pressure of 1.080 atm at 25°C. If it is placed in a freezer at -8°C, what is the new value for its internal pressure (in atmospheres)? So i tried (1.080)(-8)=(P)(265) and I got -30.67 but its no correct. What am I ...
November 1, 2012

Chemistry
So i tried (1.080)(-8)=(P)(265) and I got -30.67 but its no correct. What am I doing wrong?
November 1, 2012

Chemistry
A pressurized can of whipped cream has an internal pressure of 1.080 atm at 25°C. If it is placed in a freezer at -8°C, what is the new value for its internal pressure (in atmospheres)?
November 1, 2012

chemistry
Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 70. cm3. If the combustion of this mixture releases 885 J of energy, to what volume will the gases expand against a constant pressure of 645 torr if all the energy of combustion is...
October 22, 2012

math
Assuming the sequense... _,2,_,_,27/4 Is geometric find the missing terms and the formula for t(n)
October 18, 2012

Math 6th Grade
I have to create a double number line graph and im not sure if i'm doing it right? Jenny can make 10 flower arrangements in 5 minutes. How many arrangements can she make in 6 min? 4 1/2 min? 3 min?. What is the unite rate?
October 17, 2012

physics need help please
There are 7 charges, each with q = -5 nC distributed on a circle with radius R=3cm. The center of the circle is at the origin. The charges are at angles 0o, 45o, 90o, 135o, 180o, -90o, and -45o. (Note: A charge at -135o is missing.) a) What is the net electric field at the ...
October 17, 2012

physics need help please
There are 7 charges, each with q = -5 nC distributed on a circle with radius R=3cm. The center of the circle is at the origin. The charges are at angles 0o, 45o, 90o, 135o, 180o, -90o, and -45o. (Note: A charge at -135o is missing.) a) What is the net electric field at the ...
October 17, 2012

health
It's D: For at least 60 minutes each day or almost everyday.
October 16, 2012

Physical Science
3. (a) How much work is done in raising a 50.0 kg crate a distance of 3.5 m above a storeroom floor? (b) What is the change of potential energy as a result of this move? (c) How much kinetic energy will the crate have as it falls and hits the floor?
October 11, 2012

7th grade math ASAP quick please
I know It doesn't matter anymore but the answers are 1.|3.12 2.|10.9 3.|15 4.|27
October 8, 2012

Physics
Need Help with physics! Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 17.0 m/s. At the same time, car 2 is 1.3 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding up with an ...
October 4, 2012

Physics
How long does it take an automobile traveling 74.3 km/h to become even with a car that is traveling in another lane at 58.3 km/h if the cars’ front bumpers are initially 114 m apart? Answer in units of s
September 24, 2012

probability
A pair of fair dice is rolled. What is the probability of at least one 3 cast
September 21, 2012

physics
A diver jumps off a diving board with a speed of 25m/s he returns to the water after 3s. At the top of his dive describe his velocity and his acceleration?
September 19, 2012

algebra
Determine whether y varies directly with x. If so find the constant of variation k and write the equation. x y 7 11 8 13 9 15 10 17 Can someone please help me and explain
September 19, 2012

algebra
Thank you that is what I finally figured but wasnt sure about the graph
September 18, 2012

Calculus
Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).
September 17, 2012

Calculus
Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).
September 17, 2012

algebra
Can someone please explain this problem to me?
September 17, 2012

algebra
question; you research the average cost of a tank of gasoline for a certain type of car for several recent years to look for trends. the table shows your data. what is the equation for a line of best fit? how much would you expect to pay for a tank of gas in the year 2024? ...
September 17, 2012

Math
John's high score on the Asteriud Game was 326,700. Mike's high score was 418,200. Rebecca just played the game and her high score was halfway between John's and Mike's. What was Rebecca's score?
September 17, 2012

Calculus
Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).
September 17, 2012

health
It's A.
September 7, 2012

algebra
Could someone please check my work. what is the slope of the line that passes through the given points?(2,12( and (6,11) -1/4 (my choice) 1/4 4 -4 My work: 11-12/6-2=-1/4 what is the slope of the line that passes through the given points? undefined( my choice) 0 -2/3 -3/2 My ...
September 7, 2012

algebra
Oh okay thanks for explaining
September 4, 2012

algebra
pi*7=7*pi would this be associate property of multiplication
September 4, 2012

algebra
Okay I get it I was close just didn't now what to do with the negative sign. Thanks for helping
September 4, 2012

algebra
-(4h-1)/1+h; h=2 the 4h-1 is on top of 1+h please can someone explain
September 4, 2012

algebra
I see where I made my mistake I took -72 + 2. Thank you.
September 4, 2012

algebra
9[9-8x]=2x+3 Please can someone explain
September 4, 2012

algebra
complicated but I think I understand thanks so much
September 4, 2012

algebra
[-4b-8]+[-1-b^2]+2b^3; b=-2 please can someone explain
September 4, 2012

math
solve the absolute value 3/2x+4/-1=11 // stands for brackets could someone explain /2x+7/<=27 /2x+10/>26 /2x-1/=3 I do not understand if someone could help
September 3, 2012

Science
If while the mass was hanging from a spring scale you pulled up sharply on the scale what do you think would happen to the reading on the scale?
August 30, 2012

Science
So would the answer be 50?
August 30, 2012

Science
What is the force of 10m/s squared acceleration and 5 kg mass?
August 30, 2012

English 11
#5 I believe is these colonies are, and of right ought to be, free and independent states #6 I believe is a list if grievances is attached
August 29, 2012

math
Thank you for explaining
August 27, 2012

math
solve the inequality 8/x+3/4/<2 used / / for brakets around x+3/4 possible answers x<-1 or x>-1/2 -5/32<x<5/32 -1<x<-1/2 x<-5/32 or x>5/32 not looking for just the answer but help on how to do it
August 27, 2012

math
Thank you Steve
August 27, 2012

math
Solve the equation check for extraneous solutions 6/6-4x/=8x+4 I used/ / for the brackets posssible answers x=1 x=5/2 or x=2 x=5/2 x=5/2 or x=1 Not looking for just the answer, would like to know how to get it.
August 27, 2012

math
Thank you for showing me how to do these really helps alot.
August 26, 2012

math
Can someone please help with solving compound inequality. !.) 6x-4<-34 or 3x+10>10 2.) -2<=2x-4<4 I'd appreciate if someone can explain not looking for just answer. Thank you
August 26, 2012

algebra2
solving compound inequality can someone please help I don't understand.
August 26, 2012

algebra2
-5y-9=-(y-1) how would one solve this problem, I'm not sure
August 24, 2012

math
use properties of real numbers to rewrite the expression (3/5)(5/3).. dont understand.
August 23, 2012

math
use properties of real numbers to rewrite the expression (3/5)(5/3).. dont understand.
August 23, 2012

algebra
where would you graph 10/7 on a number l0/7 on a number line? i took 10/7 made it 1 3/10 and think youd graph between 1 and 2 on graph, but not sure.
August 23, 2012

HEALTH
No, It's B.
August 22, 2012

math
explan the reasoning
August 21, 2012

math
The diagram represents of a fifths fraction strip. Sketch the whole strip. Explain your reasoning.
August 21, 2012

health
Correct.
August 11, 2012

HEALTH
It's A.
August 8, 2012

health
It's A.
August 4, 2012

Health
D is wrong. :(
August 1, 2012

english
Identify the simple predicate in the following sentence. Our basketball team will play against Wilson High School on Friday night.
July 30, 2012

math
if my cross is 3 3/8 inches tall and 2 1/2 inches wide how wide should it be if its 7 1/2 inches tall
July 27, 2012

Calculus
[((cotx)^(1/3))((csc^4(x))] i dont understand how to integrate the first part because it should be either even or odd, but this is neither.. help!
June 10, 2012

Calculus
integral of cscx^(2/3)(cot^3)x i know that cot^2x is csc^2(x)-1, but i just don't understand how to solve the cscx^(2/3), any help? i also know that its trig integrals/substitution...
June 10, 2012

Chemistry
brOH
June 6, 2012

physics?
A body in vertical free fall covers half its total distance in the last second of its fall. The total time taken by the body to cover the entire (whole) path is A 1.414 s B 1.732 s C 2.414 s D 3.414 s
May 21, 2012

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