# Posts by guy

Total # Posts: 88

math
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm

Social Studies
BIG FREDA is right thanks bro :)

SS
guwop is right, thanks a lot anony now i didn't get a 100%

Social Studies
LOL my name is Samuel 2

Social Studies
Thanks Lemon! 100%

Math
Thanks Emo Girl

Math
HI 0.0

Math
It'd 87.09 potatoes

Chemistry
In the laboratory you will be provided with a 1.0 x 10-5 M primary stock solution of fluorescein (MW=332.31g/mol). The calibration curve should include a blank, 0.025, 0.05, 0.075, 0.10, 0.15, and 0.25 micromolar fluorescein solutions. Since you will be using 25 mL volumetric ...

Chemistry
Si(OC2H5)4 + 2 H2O → SiO2 + 4 C2H5OH TEOS: Tetraethyl orthosilicate. No concentration given.

Chemistry
If a reaction was started with 3 mL of TEOS in H2O and yielded 0.3275 grams of SiO2. what is the percent recovery of SiO2?

History
Thanks

helth
no its not right flip them all around

english
Narguess, in My Forbidden face, starts a rebellion among the women. What kept the guards from killing her? A)Her brother testified in her defense. B) The company vouched for her helping build profits. C) The other women took off their chadri and refused to leave D) The ...

PE
Thank you I got it correct

PE
Decide which of the following sports can be the most beneficial in achieving cardiovascular fitness. a. soccer** b. baseball c. football d. golf

Math
One

Math
Random dude is right I got 100%

Math
How many meters from the fulcrum to the applied force would allow a 100 newton weight to be lifted using only 10 newton of force?

Math

English
Thank you!

English
Which of the following is an example of a run-on sentence? Baseball is an amazing sport to play and to watch. Nothing beats the thrill of the sport on the diamond. I hope you like watching baseball, I really love it. If you don’t watch it, you don’t know what you&#...

Chemistry

LA
I really need help on this question

LA
"President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the ...

even moar math
yuo thnak.

even moar math
You own 5 pairs of jeans and want to take 2 of them with you on vacation. In how many ways can you choose 2 pairs of jeans? - 10 ways - 15 ways - 4 ways - 20 ways **

More math
Simplify 9C4. - 126 *** - 15,120 - 5 - 3,024

L.A
I think you need to supply the poem as well...?

Math
Simplify 6P2. - 30 - 15 *** - 12 - 720

Simple math.
Simplify 5! -5 -15 * -120 -125

Drama
If this is 7th grade connections, this is right, here are the answers for the next quick check A A B B D if you are in Conexus with the scrooge thing, these are 100% right

Language Arts
Yeah, and for tajuan, I know him, he is in my home room, and im a snitch, and might report this to mister bowers, miss facey, mister holmes, and miss burns

Social Studies
Explain one way that ethnic groups in the U.S. Canada are similar and one way that they are different.

Chemistry
Which ion in the pair has greater charge density? Explain Choice. Magnesium ion or Barium ion

Chemistry
Argon makes up 0.93% by volume of air. Calculate its solubility in water a 20 C and 1.0 atm. The henry's law constant for argon under these conditions is 0.0015 mol/L*atm

math
Damons a B | T C H

Science asap
A C C A C If you are in connxus or UVA, these are right 100%

English
Thanks for the help! For 3, is it advice, for the state of advising? I think that 4 does not need the comma, but the wording of the question confused me for 5. 5 does not need any MORE commas, but it needs the commas it has :/ I think the question could have ben worded better...

English
Please check my answers! Thanks :) 1. In Yeats’s poem “The Second Coming,” the falcon and the falconer are images that most likely represent *something out of control and unnatural. the beauty and abundance of nature. a sad, uncomfortable image of old age. 2. ...

chemistry
Based on the following reaction 2A + 3B --> A2B3, if 1 mole of A is reacted with 2 moles of B, explain how you would determine which of the two substances is the limiting reactant.

Chemistry
Simple problem and I think this guy is over thinking it. It's an intro to Chem class. Anyway you have initial temp/initial volume. Unknown secondary temp/known secondary volume. Charle's law is V1/T1 = V2/T2. I'm sure you can figure it out from here...

Chemistry
Write equations for the ionization of the following acids.Which ones ionize only slightly? (a) HF (b) H2SO3 (c)CH3COOH (d) HNO3

Physics
I got 6.94855*10^24 meters but this seems way to big

Physics
How far apart must two protons be if the magnitude of the electrostatic force acting on either one due to the other is equal to the magnitude of the gravitaional force on a proton at the earth's surface?

Physics
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. The string is one meter long. When a force of 0.5N is applied 45 deg. below the horizontal, what will be the magnitude of the resulting angular acceleration ...

physics
for an 84 kg person standing at the equator what is the magnitude of angular momentum about the earths center due to earth's rotation

physics
Use energy methods to find the speed of a 2.0-kg block just before it hits the flor if the coefficent of kinetic energy of the 3.0-kg block and the table is 0.15m

Physics
A 63 kg student is standing atop a spring in an elevator that is accelerating upward at 2.5 m/s^2 . The spring constant is 2700 N/m. By how much is the spring compressed?

Physics
A 60kg skier starts from rest at a height of 20m above the end of a ski-jump and leaves the ramp at an angle of 28 degrees. Neglet air resistance and assume the ramp is frictionless. A) What is the max height (h) of his jump above the end of the ramp B)If he increased his ...

Math
You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?

Math
a baseball measures 2 11/16 inches in diameter. What is its volume ( to the nearest hundredth )

chemistry
the partial pressure is determine by K= [hc03][h]/pressure

algebra
Need help solving for x: 500,000/x = 30%/70%

math
A=xy 3x+2y=296 2y=-3x+296 y=-1.5x+148 296=x(-1.5x+148) = -1.5x^2+148x-296

math
solve using multiplication method: 8x-9y=-15 -4x=19+y

geometry
bulletin board border please help me. i would like to make a geometry bulletin board that has a a border of circles, triangles and squares. i know that 20 shapes will fit across the board and that 12 shapes will fit down the board . if i start in the top left hand corner with ...

geometry
its 118 peoples!

World History 201
It is false. Persian society was based on equality, which meant people were not forced to change their values or beliefs.

Chemistry
Am Gay

Chemistry
Yes

statistics
Kim and Susan are playing a tennis match where the winner must win 2 sets in order to win the match. For each set, the probability that Kim wins the set is 0.53. The probability of Kim winning the set is not affected by who has won any previous sets. What is the expected value...

science
Hi. I am conducting a science experiment to present to a class. Details of experiment below. Materials: 1 can of non-diet soda 1 can of diet soda 2 buckets of water 1. Fill bucket 2. Put can of non-diet soda into a bucket of water. 3. Wait for the can to either sink or float. ...

physics
THANK YOU =0]

physics
On Earth a rock falls an unknown vertical distance from a resting position and lands in a lake. If it takes the rock 2.5 seconds to fall, how high is the cliff that the rock fell from?

Chemistry
the total pressure in the vessel is 199kPa. How much pressure does nitrogen exert on helium if it had a pressure of 94 kPa?

calculus
thanks

calculus
"How fast is the area of the triangle formed by the ladder, the house, and the ground when the base of the ladder is 7 ft. away from the wall? Given h=24ft. dh/dt=-7/12ft. per sec. b=7 (base) db/dt=2ft. per sec. d/dt[A=1/2bh] How would you derive this with respect to time?

prealgebra
everything in store is 40% off. I paid 10 dollars for item. How much original price ?

Pre algebra
A store was offering 30 % off everything in the bike store . A boy bought a bike for \$91 dollars. How much was the original price of the bike? please explain each step. We are studying proportions and percents. thanks

Chemistry
false

accounting
What would be the fee for a buyer to purchase 2 discount points on a home with a sale price of \$275,000?

Finance
Jackson finds that his total assets add up to \$124,690 and his total liabilities add to \$96,800. What is his net worth? - or +

Finance
Upon what does your standard deduction depend?

Finance
What would be the fee for a buyer to purchase 2 discount points on a home with a sale price of \$275,000?

Finance
If the APR on your credit is 18%, what percentage do you pay each month on an outstanding balance?

com 220
What strategies do you use for revising a paper? How do you know when to accept feedback from another source? What makes feedback valuable to you?

7th math
take 23 divide it by 4 and it is 5.75 to make a percent you move your decimal two places 575% couldn't understand second problem could you rewrite

college Chemistry
Write a balanced equation for the dissolution of sodium carbonate (Na2CO3) in water. Find the number of moles of Na+ produced when 0.318 mol of sodium carbonate dissolves. Answer in units of mol.

Stat
In statistic regressions, does "standard error" mean the residual (vertical distance of each point from the regression line)?

chemistry
given this reaction N2O5 -> 2 N2O + 1/2 O2 all gases and given the initial pressure (P Initial) and total pressure (P total)at any time, relate the partial pressure of N2O5 (PP N2O5) to P total for any time during this reaction. Consider gas kinetics. My teacher says the ...

Math
*Fart Noise

math studies
how is math applied in building cars