Madi
Most popular questions and responses by Madi
Math
1. Classify the triangle according to side length and angle measurement 2. Classify the triangle according to side length and angle 3. Classify the triangle with side lengths 4,4, and 4 4. Classify the triangle with the measuring 69,42, and 68, 5.
asked on February 5, 2018 
Social Studies
1. What dynasty ruled the Korean peninsula from AD 668 to AD 935? Meiji Qin Sill!@#$%^&* Tokugawa 2. What type of government ruled North korea after World War II communist**** democratic dictatorship oligarchy 3.Both Japan and the Koreas been influenced by
asked on March 3, 2015 
Physics
A block of mass 4 kg, which has an initial speed of 2 m/s at time t = 0, slides on a horizontal surface. Find the magnitude of the work that must be done on the block to bring it to rest. Answer in units of J. If a constant friction force of magnitude 5
asked on November 18, 2015 
Spanish
Fill in the blanks with the subjunctive form of the verbs. 1. Me alegro de que el ecoturismo (ser) un buen negocio (business). 2. Es una lástima que tú no (reciclar) el vidrio. 3. No crees que ellos (querer) usar energía solar. 4.Ojalá todos nosotros
asked on July 3, 2012 
Chemistry
An empty aerosolspray can at room temperature (20 ◦C) is thrown into an incinerator where the temperature reaches 458◦C. If the gas inside the empty container was initially at a pressure of 1 atm, what pressure did it reach inside the incinerator?
asked on March 19, 2017 
Spanish
Fill in the blanks with words from the box. estés molesta plástico recicle sea Es posible que reciclar (1) una de las mejores formas de proteger el medio ambiente. Quizás no te das cuenta (you're not aware), pero reciclar vidrio, aluminio y (2) ahorra
asked on July 3, 2012 
Biology
Which of the following statements correctly compares the functions of a plant's roots and stem? The stem contains a high percentage of cells that provide structural support, unlike the roots. The stem is the first part of the plant to emerge from a seed,
asked on September 28, 2012 
physics
Two students on roller skates stand facetoface, then push each other away. One student has a mass of 95 kg and the second student 60 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.
asked on February 16, 2016 
Math
There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults? PLEASE HELP!
asked on January 24, 2017 
Geometry
So, I'm doing Surface Area of a Cone, L= 7in R= 8in I calculated B (pi * 8^2) so B (also known as Area of Circle) = 200.96 Now I'm working on SA and a little confused, SA=B+LA =pi*8^2 + pi*8*7=11,429.6 but the next step in my equation says I should have 2
asked on May 17, 2019 
Physics
A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released,
asked on October 3, 2012 
Physics
A 4.17 g bullet moving at 506.1 m/s penetrates a tree trunk to a depth of 4.64 cm. a) Use work and energy considerations to find the magnitude of the force that stops the bullet. Answer in units of N. b) Assuming that the frictional force is constant,
asked on November 18, 2015 
Physics
The efficiency of a pulley system is 47 percent. The pulleys are used to raise a mass of 47 kg to a height of 7.0 m. The acceleration of gravity is 9.81 m/s 2 . What force is exerted on the rope of the pulley system if the rope is pulled for 28 m in order
asked on November 18, 2015 
Algebra
I'm redoing a test for finals and I was working on this question, my teacher said to use radius since I originally did the diameter power of 2. Shape: Cylinder  Height: 27 m  Diameter: 34 m So the original equation; 3.14(pi) * 34^2 * 27 = 98055 My NEW
asked on May 17, 2019 
algebra
I have the question posted here ~ ht tps:// brainly .com/question/12664261 An image is attached, I really can't understand the perimeter of the triangle. triangle #1 = a= 18 b= 3 c= 42 triangle #2 = a= 9 b= 21 c=9 I tried calculators but they don't work.
asked on May 15, 2019 
Physics
A plane is flying 250 m/s west with a crosswind of 25 m/s north affecting the flight. What is the magnitude and direction of the plane?
asked on February 23, 2015 
Math
Pablo averaged 17.3 points for the first 6 basketball games. In his 7th game, he scored 24 points. Which of these is a reasonable conclusion about Pablo’s scoring average? A. His scoring average after 7 games was closer to 24 than to 17.3. B. His scoring
asked on May 10, 2019 
Algebra
Find the degree of 5w^3 4w^2 +7w + 16. I don't understand.
asked on May 6, 2019 
History
{This isn't a test or quiz, it's personal curiosity, thank you!} What career or degrees are similar to archeology & paleography?
asked on March 14, 2019 
statistics
A credit card company estimates that the average credit card balance of Americans is $3,210. A statistics student wants to know whether this is true for citizens of her home town. Which hypothesis test would be most appropriate for addressing this
asked on March 14, 2015 
Chemistry
An experiment requires 0.3 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(aq) will be used to prepare this amount of 0.3 M base? Answer in units of mL
asked on April 22, 2017 
math
How many people were at a party if There were 105 handshakes at a party and if each person at the party shook hands with exactly once with every other person. The answer is 15. How do I write the problem?
asked on October 25, 2010 
Physics
A 59kg housepainter stands on a 16kg aluminum platform. The platform is attached to a rope that passes through an overhead pulley, which allows the painter to raise herself and the platform. (Ignore the mass of the pulley and any friction in the pulley.)
asked on October 4, 2012 
Biology! pleaseee helppp
About 70% of the human population can taste the bitter chemical phenylthiocarbamide (PTC), which is found in foods like broccoli. The allele, T, for tasting PTC is dominant over the allele, t, for not tasting it. Calculate the allele frequencies using the
asked on November 10, 2012 
Math
Mr. Williams just finished grading his science exams. The class average score on his exam was 79%. However, he forgot to grade John's paper. John scored an 86% on the exam. What is going to happen to the class average, once he includes John's score? A. The
asked on May 10, 2019 
Math
A prize machine randomly dispenses small toys. There are 1515 prizes left: 55 bouncy balls, 33 toy cars, 22 stickers, and 55 dinosaurs. Kai gets 22 prizes. What is the probability that they are both toy cars?
asked on April 10, 2017 
Science  Waves & Electromagnetic Radiation
What is happening in the diagram ; *my attempt to describe.* There is a modern sail boat on the surface of the water, point A is a set of waves (they look like the curved lines on per say your volume icon; ))) ) that go down to a boat wreck(point B) on the
asked on May 17, 2019 
6TH GRADE MATH
Write an equation that includes division that relates the number of minutes a sperm whale can stay under water.🤔
asked on March 10, 2016 
Mathematics
( x + 8.92)  (0.75  y ) + z = 11.89 X Options = 5.67 OR 5.67 Y Options = 1.25 OR 1.25 Z Options = 3.2 OR 3.2
asked on May 8, 2019 
Algebra
Please Help! Which quadratic rule represents the data in the table? x 1, 0, 1, 2, 3 y 6, 5, 6, 9, 14 a. y= 2x^2 + 5 b. y= x^2 + 5** c. y= x^2  5 d. y= x^2 + 5
asked on May 3, 2019 
Math  Help!
Mrs. Higgins' Home Economics class collected data on the number of chocolate chips in cookies for two different brands, as shown in the dot plots below. The mean absolute deviation for each brand is 0.8. The difference between the mean number of chocolate
asked on May 16, 2019 
Physics
an astronaut drops a feather from 1.2 m above the surface of the moon. if the acceleration of the gravity on the moon is 1.62 m/s down , how long does it take the feather tho hit the surface
asked on September 9, 2010 
Math
Property taxes are placed on the tax roll based on a property's assessed value. If a tax district has a tax rate of 0.4%, then what is the tax owed on a house with an assessed value of $235,000? A. $940 B. $94,000 C. $9,400 D. $94
asked on May 8, 2019 
9th grade
What is an example of natural selection in everyday life?
asked on September 17, 2010 
physics
a plane travels 5.0 x 10^2 while being accelerated uniformly from rest at the rate of 5.0 m/s. what final velocity does it attain?
asked on September 9, 2010 
Math
A ferris wheel has a diameter of 10 m and takes 24 sec to make one revolution. The lowest point on the wheel is 1 m above the ground. (4 marks) a. Sketch a graph to show how a rider's height above the ground varies with time as the ferris wheel makes a
asked on July 23, 2014 
Physics
A 7159 N piano is to be pushed up a(n) 2.26 m frictionless plank that makes an angle of 25.6 ◦ with the horizontal. Calculate the work done in sliding the piano up the plank at a slow constant rate. Answer in units of J.
asked on November 18, 2015 
chemistry
calculate the mass in grams of .354 moles of NH3
asked on January 25, 2011 
Math palette of problems
If 2/9 gallon of water fills a bucket 3/5 full, how many gallons of water are needed to fill the bucket?
asked on January 30, 2014 
Biology
The Kingdom Monera has been separated into two domains, the Archaea and the Bacteria. Which of the following was most important in prompting scientists to change the way these organisms were classified? a.)Major differences were discovered in the structure
asked on May 27, 2012 
Statistics
A student group claims that first year students at a university study 2.5 hours (150 minutes) per night during the school week. A skeptic suspects that they study less than that on average. He takes a random sample of 30 first year students and finds that
asked on May 23, 2018 
math
Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.) P = 30,000, r = 5, t = 20, m = 4
asked on April 27, 2015 
physics
A(n) 0.251 kg soccer ball approaches a player horizontally with a speed of 15.8 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 27.3 m/s. What is the magnitude of the impulse
asked on February 16, 2016 
Chemistry
What would have happened if Rutherford shot negative particles instead of positive particles in his goldfoil experiment? What would have happened if the nucleus in the goldfoil was actually negative, rather than positive, in his experiment?
asked on June 1, 2015 
Geometry
I need help with vertices! The vertices of triangle FGH are F(1,1), G(3,5),H(6,0). Find the coordinates of the vertices after a refelection over the yaxis. I'm not sure how to do this. Is there a certain formula I need to know? The reflection across the
asked on September 13, 2006 
CHEMISTRY: HESS'S LAW need help!
I'm just overly confused on how to begin this especially with the fractions... please show step by step if you could. Quiz very Soon! Example A: H2(g)+1/2 O2 (g) > H2O(l) ... ΔH= 285.8 kJ N2O5(g) + H2O(l) > 2HNO3(l) ΔH= 76.56 kJ 1/2 N2(g) +
asked on February 28, 2017 
Algebra
If 4 notebooks weigh 2.8 pounds how do 6 notebooks weigh
asked on September 2, 2014 
chemistry
for this reaction: 2NO + heat N2 +O2 which way would the equillibrium shift if catalyst is added?
asked on December 6, 2007 
Calculus
1. use the definition mtan=(f(x)f(x))/(xa) to find the SLOPE of the line tangent to the graph of f at P. 2. Determine an equation of the tangent line at P. 3. Given 1 & 2, how would I plot the graph of f and the tangent line at P if : f(x)=x^2 +4,
asked on June 2, 2018 
Physics
A vector has a magnitude of 3.50m and points in a direction that is 145 degree counter wise from the xaxis. find the x and y components
asked on July 18, 2017 
Someone please help!!! Math
Determine whether you can construct many, one, or no triangle(s) with each description. a)An isosceles triangle with angle measures of 40° and 100°Many b)A right triangle with three congruent sidesone c)A scalene triangle with side lengths of 7 cm, 3
asked on May 23, 2017 
Math and Music
I have to do a presentation on how math and music relate. I have found some things and facts but everything is so complicated. If someone could help explain to me how I can narrow my topic down and make a presentation that is simple but effective. It can
asked on March 21, 2014 
Physics
A block is sliding along a frictionless surface at a speed of 3.6 m/s. It hits a spring of spring stiffness constant k = 150 N/m. How far has the spring compressed when the block comes to a stop?
asked on September 13, 2013 
physics
A mass was dropped from a height of 20m. (a) find its speed at impact. (b) what can you say about the initial GPE of the mass and the KE of the mass just as it hits the ground?
asked on March 15, 2011 
physical science
The density of copper is 8.92 g/cm (cubed). If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?
asked on September 1, 2010 
Math
36 is .9% of what number?
asked on February 21, 2017 
Maths
From looking at a periodic function, we had to decide on the equation for it. I got: y = 1.05 sin x2pi/11.72 + 1.55 1.05 is the 'a' value of the equation 2pi/11.72 is the 'b' value for the equation 1.55 is the 'd' value of the equation we were told not to
asked on May 29, 2015 
Physics
Paige and Julia are playing volleyball. Paige is in spiking position when Julia gives her the perfect set. The 0.226kg volleyball is 2.29 m above the ground and has a speed of 1.06 m/s. Paige spikes the ball, doing 9.89 J of work on it. Determine a) the
asked on September 13, 2013 
Government
This case came about because President Marbury refused to honor the lastminute judicial appointments of Pres. Madison. A) True B) False 2. Marbury wanted the courts to issue of writ of mandamus, a court order forcing Jefferson to give him his commission.
asked on July 21, 2012 
math
Determine whether you can construct many, one, or no triangle(s) with each description. a)An isosceles triangle with angle measures of 40° and 100° b)A right triangle with three congruent sides c)A scalene triangle with side lengths of 7 cm, 3 cm, and 9
asked on May 23, 2017 
physics
A 20 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 354 m/s. Use the workenergy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.
asked on November 18, 2015 
algebra 2
what is the quadratic function that has the roots (4+3i) and (43i)
asked on January 19, 2011 
Physics
highway saftey engineers build soft barriers so that cars hittingthem will slow down at a safe rate. a person wearing a saftey belt can withstand an acceleration of 300 m/s how thick should barriers be to safely stop a car that hits a barrier at 110 km/h
asked on September 9, 2010 
spelling
there's a problem on my worksheet and it gose like this "to add the er suffix to words ending in a stressed sylable with one vowel and one consonant,___________________________." I've got that but then it asks for an example that's ware i'm stuck.
asked on January 22, 2008 
Math
If you roll a sixsided die times, how many possible outcomes are there?
asked on April 10, 2017 
Chemistry
Sarin is a nerve gas with a chemical formula of C4H10FO2P. What is the mass of one molecule of sarin?
asked on January 22, 2017 
physics
A(n) 23000 kg freight car is rolling along a track at 2.8 m/s. Calculate the time needed for a force of 1960 N to stop the car. Answer in units of s.
asked on February 16, 2016 
Maths
From looking at a periodic function, we had to decide on the equation for it. I got: y = 1.05 sin x2pi/11.72 + 1.55 1.05 is the 'a' value of the equation 2pi/11.72 is the 'b' value for the equation 1.55 is the 'd' value of the equation we were told not to
asked on May 28, 2015 
government
Which of the following is NO LONGER necessary for the right to vote?A) RegistrationB) CitizenshipC) Residency D) Land Ownership
asked on July 5, 2012 
Art
okay, ummm my teacher wants us to write down what a proportion and scale isand what an economy is in art. So what are those????!!! I'm so confused! :P plz help!
asked on September 17, 2010 
chemistry home work
2 examples on sediment plz reply fast...
asked on November 21, 2008 
algebra
in my workbook it says give the opposite of each expression and the problems are: 10t+21 x+2z there are alot more but i thought if someone explained a couple of these to me maybe id understand the rest. idk just please help me!!!
asked on August 26, 2008 
Texas State History
What is absolute chronology A a chronology listing of specific dates B a detailed summary of a historic event C a listing of events that occurred during the same time period D a timeline that has been verified by professional historians.
asked on October 2, 2018 
Math
50 is what percent of 125? ___% I got 2.5 but I know for a fact that's not write cause I checked.
asked on March 14, 2017 
physics
why , regardless of the magnitude of the initial velocity, the maximum horizontal displacement for a projectile occurs when the angle is 45 degrees. Specifically, what happens when the angle is increased or decreased. How would you mention vector
asked on February 2, 2016 
Math
For the depth of water on Friday, 16 January 1998, the periodic function is: y = 1.05 sin 2pix/11.72 + 1.55 1.05 is the 'a' value 2pi/11.72 is the 'b' value 1.55 is the 'd' value we were told not to take into consideration the 'c' value in our equation 'y'
asked on June 2, 2015 
Physics
We have to work out the accepted value of a roller coaster cart (taking into account friction) when the mass is modified Here is the answer I got for 56.71 grams: 0=∆EGP+∆EK+Fd 0=mg(hfhi )+1/2 m(v^2u^2 )+Fd 0=0.05671 × 9.8 (0.0750.786)+1/2×
asked on June 2, 2015 
History
Why was Ireland experiencing poverty in the late 1700's and early 1800's?
asked on May 30, 2015 
History
Why was Ireland experiencing poverty in the 1800's?
asked on May 29, 2015 
Exponents
Hi just curious when evalutating 5^2 Would the answer be 25 Or would it be 0.4 = 2/5 I am lost
asked on November 2, 2014 
math
least to greatest 1/8,1/10,1/7
asked on April 28, 2013 
communication
I need to complete an outline and thesis statement on "Two female Chihuahuas living in the same household.I don't understand how and what information to write.
asked on March 1, 2012 
Math
How does ruling out possible answers help you find the correct answer
asked on October 30, 2011 
Math
Simplify the Ratio 4in : 1 yd
asked on August 24, 2011 
Spanish
Please unscramble these Spanish words mincara, carbaa, tauerdis, tagsur, suar, qarilaul, caars, sotrecnat, piormcatr, bajra, gelral.
asked on June 1, 2011 
physics
From a tree that is 15m tall, a fruit of mass 2kg falls to the ground. (a) find the initial GPE (b) find the speed at impact (c) find the KE at impact (d) how much energy was lost to heat and sound after the mass came to rest?
asked on March 15, 2011 
physics
A mass of 2kg was thrown straight up with a speed of 15m/s. (a) find the initial KE (b) how high does the mass rise? (c) what is the GPE of the mass at the highest point?
asked on March 15, 2011 
science
DNA is copied during a process called.?
asked on May 12, 2011 
science
The enzyme that opens up the DNA double helix during replication.?
asked on May 12, 2011 
science
5 reasons that the eagle helps the ecosystem?
asked on October 29, 2007 
World History
What was the Bill of Rights influenced by? This is an interesting article that will help you answer your question. http://bessel.org/billrts.htm
asked on May 24, 2007

Geometry
I may not be understanding it, these are my sources for the formulas I'm using; ht tps://sciencing.com/ calculatebasecone8178426.html (space in url) ht tps://www.youtube.com/ watch?v=pkWED4nyCHA&list=PL_ZHL5bvIMtchPQhzT731CS9U3010h2E&index=2&t=0s
posted on May 17, 2019 
Algebra
Oops, yes, it was for volume, and there really were no rules for simplification so should I just leave it as it is?
posted on May 17, 2019 
Math
What just happened?
posted on May 15, 2019 
algebra
Sorry, there are spaces in the link, and really? I used the perimeter calculator to add all the sides together but it was saying the numbers weren't acceptable.
posted on May 15, 2019 
algebra
Jeez louis, ya'll just dump on Ms. Sue & then no one gets an answer to their question. People can have opinions but PLEASE keep them to yourself, for the better of everyone, what if I came up & called y'all 'stupid'. Please be respectful & kind to others,
posted on May 15, 2019 
Math
I got 18.257, so which answer would that be ?
posted on May 10, 2019 
Mathematics
Did my own work, the answer is the following; (5.67 + 8.92)  (0.75  1.25) + 3.2 = 11.89 Thank you for your help though @Reiny! :)
posted on May 8, 2019 
Algebra
oops, there are options, 5 16 14 3
posted on May 6, 2019 
math
Wow. That was. Wow.
posted on March 18, 2019