Friday
August 29, 2014

Posts by zack


Total # Posts: 241

Math
0.9
June 1, 2014

Math
Hannah made 0.7 of her free throw in a basketball game,abra made 9/10 of her free throws,dena made 3/4 of her free throws,who was the best shooter and explain why you say so
June 1, 2014

Math
Amita decides that she wants the molds to have a square base.How many of the possible molds can she use?
May 21, 2014

Calculus
A ball is thrown vertically upward with an initial velocity of 135 feet per second, the ball’s height after t second is s(t) = 135t – 22t How to calculate average velocity from 1 to 3 seconds?
March 22, 2014

Math
A kaleidoscope is a tube-shaped instrument that contains mirror and colored glass. When a viewer looks in one end, (s)he sees vibrant, changing patterns. Tami sees a kaleidoscope in the shape of triangular prism. It has a height of 4 inches, a base of 5 inches and a depth of 8...
March 18, 2014

Math
Thank you but it would have been better if you told me how to answer it not the answers
March 15, 2014

Math
1 Catriona is deciding how large of a cake to order for a party. She can choose from a 1-layer cake that serves 10 people, a 2-layer cake that serves 20 people, a 3-layer cake that serves 40 people, or a 4-layer cake that serves 65 people. The cost of the cake increases with ...
March 15, 2014

math
what is she made a 8 out of 22
February 18, 2014

math
lenzy has a 77 a c. as a grade. if she fails a test worth 26% 0/22 what will her grade be
February 18, 2014

language arts(CHECK ANSWERS)
please check these answers there really quick. 11.the zoo has recently acquired pandas,giraffes and lions. were does a comma belong? A. After and B. After zoo C. After giraffes(I PICK THIS) D. After acquired 12.Hector would you please relax? where does a comma belong? A. After...
February 18, 2014

Economy (vehicles)
What is a bi-wheel vehicle?
November 20, 2013

Physics
The road runner drops a boulder from a 53 meter high building. When the block is 14 meters above the ground, the 2 meter tall Wiley Coyote looks up and sees the boulder. How much time does he have to get out of the way?
November 3, 2013

physics
Larry stands on a bathroom scale while riding up in an elevator. His mass is 75 kg. At the current time the scale reads 100 lb. assuming the upward direction is regarded as positive, what is Larry’s acceleration in m/s2? What is happening to the elevator at this instant (...
October 22, 2013

Biomechanics
Larry stands on a bathroom scale while riding up in an elevator. His mass is 75 kg. At the current time the scale reads 100 lb. assuming the upward direction is regarded as positive, what is Larry’s acceleration in m/s2? What is happening to the elevator at this instant (...
October 22, 2013

English
I think this is C if not Which analogy would best go with this one? branch:tree:: A. flower:garden B. teo:three C. tentacle:octopus D. near:far
October 13, 2013

English
Would this be D if not Which analogy would best go with this one? A:Z:: A. girl:mother B. weight:pounds C. truth:lie D. prologue: epilogue
October 13, 2013

English
Whish analogy would best go with this one? A:Z:: A. girl:mother B. weight:pounds C. truth:lie D. prologue: epilogue
October 13, 2013

english
Create an accurate summary of “The Cold Equations” that details the important events of the story. Provide your answer in three to five sentences. Can someone help me with this please?
September 19, 2013

Algebra
One side of a triangle is 3 inches shorter than twice the length of the shortest side. The third side is 5 inches longer than the shortest side. If the perimeter is 110 inches, find the lengths of all three sides. So what are all the three sides?
September 12, 2013

Math
(2x2)-(3x2x-3)-(2x-3x2) 4 - 18 - -12 -14 - -12 -2
September 12, 2013

Algebra
When setting the price of admission tickets for the amusement park, Tabitha wants the price for a two child, two- adult family to be $100. She also wants the adult tickets to cost $8 more than twice the cost of a child's ticket. How much should a child"s ticket cost?
September 12, 2013

geometry
Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. m<P=14
May 24, 2013

Advanced Functions/Trig
Prove the identity: cos^4 x + sin^4 x = 1 - (1/2)sin^2 (2x)
May 5, 2013

Algebra
How many hands of 5 cards can be made from a standard deck of cards such that each hand contains exactly 1 red card and 4 black cards?
May 2, 2013

Chemistry 12
Determine the molar solubility of lead(II) iodide, PbI2, in 0.050 mol/L NaI. Ksp of PbI2 = 9.8 x 10^(-9)
April 23, 2013

Advanced Functions/Trig
Prove the following: sin(x+y)sin(x-y) = cos^2 (y) - cos^2 (x)
April 21, 2013

Physics
The electric field lines surrounding three charges are shown in the figure below. The center charge is q2 = -15.9 µC.
April 2, 2013

Math
80=20 divide 5
March 22, 2013

Math
What is the mathematical expression for 80 is 20 times as many as 5?
March 22, 2013

Math
How many frequent flyer point Indira earn if she traveled from new York city to Berlin ,Germany at a distance of 3,965
March 21, 2013

Writing
Compare how beaver stole fire and stealing fire from Zeus are the same
March 20, 2013

Math
Thanks
March 12, 2013

Math
How many strips of paper 4inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide
March 12, 2013

Math
Thanks
March 12, 2013

Math
If there are 12 square tiles and each tile measure 1 foot on each side ,how many non congruent rectangle can you make.Each rectangle must use all 12 tiles
March 12, 2013

Math
If you h ave an 8 inches long and 36 inches wide strip ,how many strips of wood can you have if it is 4 inches long and 1 inch wide
March 12, 2013

Math
How many strips of wood can you have from an 8 inches long and 36 inches wide if the strips are 4 inches long 1 inch wide
March 12, 2013

Math
You will get 6 pieces
March 12, 2013

Math
How many strips of paper 4 inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide
March 12, 2013

Math
12 feet
March 12, 2013

Math
Ms Washington buy a refrigerator that is 6 feet high, 3feet deep and 4 feet wide ,how many floor space does she need to fit the refrigerator
March 12, 2013

Math
List all 3digit numbers for which the sum of the digit is 3
March 12, 2013

Math
List all 2 digit numbers for which the sum of the digit is 5
March 12, 2013

Math
I think it's all the 2 digit numbers that when divided is equal to 5 ,e.g 10,15,20,25,30,35,etc.
March 12, 2013

Chemistry
How can I find the initial rate of formation of products {mol/((L)(s))}?
March 2, 2013

Chemistry
I'm getting really high negative percentage numbers.
February 4, 2013

Chemistry
But @DrBob222 where would I find delta T? Also, mass of water is 250 grams.
February 4, 2013

Chemistry
Sorry. There are 250.00g of water.
February 4, 2013

Chemistry
The complete combustion of 1.00 ml of octane increases the temperature by 22.7 degrees celsius. The density of octane is 0.7g/mL. What is the efficiency of the octane in heating the water?
February 4, 2013

math
t is 6
January 30, 2013

math
what is 4t=24?
January 30, 2013

Chemistry 12
Solid phosphorous is found in two forms: white phosphorous (P4) and red phosphorous (P). White phosphorous is the standard state. The enthalpy of the formation of red phosphorus is -17.6kJ. When 32.6 g of white phosphorous reacts to form red phosphorous. What is the enthalpy ...
January 18, 2013

Algebra 2
Simplify sqrt80 -3 Sqrt63 - sqrt125 - sqrt175
January 18, 2013

Advanced Functions
How do I verify this identity? (I've tried a lot but it's just not working) (sin2x + sin2y) = 2sin(x+y)cos(x-y)
January 17, 2013

Physics to be solved
a horizontal scaffold, of length 2.00 m and uniform mass 50.0 kg, is suspended from a building by two cables. The scaffold has dozens of paint cans stacked on it at various points. The total mass of the paint cans is 79.5 kg. The tension in the cable at the right is 837 N. How...
January 14, 2013

Physics
The driver of a car on a horizontal road makes an emergency stop by applying the brakes so that all four wheels lock and skid along the road. The coefficient of kinetic friction between tires and road is 0.39. The separation between the front and rear axles is L = 4.1 m, and ...
January 14, 2013

Calculus
evaluate each limit, if it exists [(2+x)^2 - 16]/ (x-2) what do I do?
December 22, 2012

Chemistry
given: 25.9 kJ + 1/2 H2 + 1/2 I2 => HI how much energy is needed for the reaction of 4.57x10^24 molecules of iodine, I2, with excess hydrogen, H2?
December 18, 2012

5th grade math
is there more?
December 16, 2012

5th grade math
13 ways 2q1d0n 2q0d2n 0q0d12n 1q1d5n 1q0d7n 0q6d0n 0q1d10n 1q3d1n 0q3d6n 0q5d2n 0q4d4n 1q2d3n 0q2d8n
December 16, 2012

5th grade math
how many ways can you use a dime, quarter, and nickel to make .60 cents?
December 16, 2012

Math
i667(.)photobucket(.)com/albums/vv40/KuroKami444/PG227NO29(.)jpg the image (remove brackets)
December 12, 2012

Math
use the unit circle to prove that tan(x/2) = (sin(x))/(1+cos(x))
December 12, 2012

math
y=mx t b ax t by=c ax t by t c= 0 Need every question for all 3 above how do u do these im so confused i need help! thanks 8) Through (4,0) and slope of -1 0) through (4,5) with slope -8 10) through (-2,4) with slope 7 over 3 11)through (-2,-1) with slope of 0 13)through (3,2...
December 3, 2012

PreAlgebra
Volume of a cube with side length of 26.4 meters I need this by 11/21/12 ASAP
November 27, 2012

Chemistry
2.24*10^7
November 22, 2012

math
Anthony earns an allowance for doing work at home .the first day he earns $1. ,$2. for the next two days,$3.for the next three days and so on and so on.If Anthony keep earning money this way ,on what day will he earn $6.?(2)Anthony saves all the money he earn to buy a $59.99 ...
November 20, 2012

Physics
That is not the answer. Thats what I thought it was but its not.
November 20, 2012

Physics
A box is being pushed to the left parallel to the x-axis by a force of 23.0 N. A rope provides a second force of 33.8 N on the box, directed to the right at an angle of 39.0 deg. from the x-axis. What is the magnitude of the net force acting on the box ?
November 20, 2012

Physical scince
What are the equations for potential and kinetic energy?
November 14, 2012

math
how do you write the number words for 0.03. Is it three hundredths.(2)and the number words for 0.76,is it seven tenths,six hundredths
November 14, 2012

math
How do you write the following digit:five thousandths.Does this right,0.005
November 14, 2012

Physics
A uniform, solid, spherical asteroid with mass 1.2 * 10^13 kg and radius 1.0 km is rotating with a period of 4.6 hours. A meteoroid moving in the asteroid's equatorial plane crashes into the equator at 9.0 km/s. It hits at a 58° angle to the vertical and embeds itself ...
November 9, 2012

science
i have a science test on monday,but i misplace my paper that i have to study on can you please give me some ideas what to study for photosynthesis
October 26, 2012

math
3.277, 3.274, 3.27
October 24, 2012

math
greater.
October 24, 2012

ap stats-- probability
over a 5 year period of time, 80% of winter days in Philadelphia had an average temperature above freezing. 20% of those days had precipitation. Of the days with an average temperature below freezing, 15% had precipitation. A winter day is chosen at random. Find the ...
October 24, 2012

5th grade word problems
60
October 24, 2012

math
which is greater, 100^10 or 10^100? explain reasoning.
October 18, 2012

Math
How many times larger is 2,300,000 sq. miles than 1,200,000 sq. miles?
October 18, 2012

Math
What is the percent increase from 91,400,000 to 94,400,000?
October 18, 2012

gr 9 math
3=3 ..-(P-1) 4
October 18, 2012

math gr9
b-4....-5 ___ =____ 3.... 1 DONT WORRY ABOUT THE ......
October 18, 2012

math gr9
1 - (X-1)=4 3
October 18, 2012

math gr9
2..........1 - = (xt3)= - (x-5) 5..........2 DONT WORRY ABOUT THE DOTS..
October 18, 2012

math
x-8 ..x plus 4 ___ = ________ 3 .......2
October 18, 2012

gr 8 math
x-8 x plus 4 ___ = ________ 3 2
October 18, 2012

math
2 - = (xt3) 5 its one qustionput it together 1 = - (x-5) 2
October 18, 2012

sfdsgfdsgg
2 1 - = (xt3)= (x-5) 5 2
October 18, 2012

math
2 1 - = (xt3)= - (x-5) 5 2
October 18, 2012

math
2 1 - = (xt3)= - (x-5) 5 2
October 18, 2012

math
3(2K-5)-K=4-(3K plus 7)
October 18, 2012

math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE I NEED ALL THREE SIDES. NOT 2.. :p
October 18, 2012

math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of ALL THREE SIDES? I NEED A ANSWER ASAP! PLEASE
October 18, 2012

zmathh
but it needs the 3 sides..
October 18, 2012

zmathh
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
October 18, 2012

math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
October 17, 2012

math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
October 17, 2012

math
2) Sven sells hamburgers at a ballpark. He earns $7.50/hour, plus $0.40 for each hamburger he sells. b) How many hamburgers must Sven sell to earn $100 in a 6.5 shift? How many hamburgers must Sven sell to earn $100 in a 6.5 shift?
October 17, 2012

algebra
I'm not really getting this. complete the table. Linear system: 4x+4y=-4 x: 0,1,2
September 26, 2012

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