Kennedy
Most popular questions and responses by Kennedy
History
Which option accurately describes the impact the Columbian Exchange had on the indigenous people of the Americas? A. The Columbian Exchange enabled the trade of the coca plant, which was later made into an early form of cocaine. B. Europeans brought
asked on January 22, 2018 
PHYSICS
Explain the statement the capacitance of a capacitor is 5microfarads
asked on June 4, 2016 
History
What was the purpose of the West India Company? A.to trade African slaves in the West Indies B.to promote free trade between India and Great Britain C.to colonize the eastern shores of India D.to trade American Indian slaves in Portugal and Spain
asked on December 13, 2017 
Math
The marsh family took a vacation that covered a total distance of 1356 miles. The return trip was 284 miles shorter than the first part of the trip. How long was the return trip? My answer is 1356284= 1072
asked on January 12, 2015 
math
You’re piloting an airplane. To prepare for landing, you change the plane’s altitude from a feet to c feet. What expression always represents the distance between the two altitudes?
asked on November 8, 2015 
Physics
A boat travels at 15 m/s in a direction 45° east of north. The boat then turns and travels at 18 m/s in a direction 5° north of east. What is the magnitude of the boat’s resultant velocity? Round your answer to the nearest whole number. What is the
asked on April 8, 2017 
chemistry
What would be made if hydrogen sulphide gas was bubbled through a solution of zinc nitrate
asked on January 4, 2017 
Mathreasoning
A farmer wants to build a straight fence with a post every 7 feet. Each end has a post. For a fence that is 49 feet long, how many posts will the farmer need? Describe the quantities given Tell how you can show the relationships in the problem Solve and
asked on May 23, 2016 
math
how do you write 2.78 in expanded form ?
asked on April 17, 2019 
math
The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than twofifths of the length of the main span of the George Washington
asked on January 12, 2015 
physics
a bus moving at 20m/s slows at a rate of 4m/s each second. how far does it travel while braking. i found the time which was 5 seconds. A car accelerates from rest at a rate of 5 m/s/s for a period of 4.2 seconds and then moves at a constant speed for 8
asked on January 21, 2009 
discrete math
if you have 5 signal flags and can send messages by hoisting 1 or more flags on a flagpole, how many messages can you send? please help!!
asked on September 15, 2008 
Social Studies/History
1. Compare and contrast Northern and Southern populations, industries, resources and goals in the Civil War. In your response, break down the advantages and disadvantages of both the North and the South by evaluating the each side’s population, industry,
asked on March 6, 2019 
Math
A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest
asked on July 27, 2016 
algebra
Bisi and fibie ages add up to 29 seven years ago bisi was twice as old as fibie find their present ages
asked on January 8, 2018 
physics....
1) Yellow light that has a wavelength of 560 nm passes through two narrow slits that are 0.300 mm apart. An interference pattern is produced on a screen 160 cm distant. What is the location of the firstorder maximum? 2) A communication satellite is
asked on June 12, 2012 
math
Find the six trigonometric functions for an angle in standard position whose terminal ray passes through (5, 2).
asked on October 19, 2017 
algebra
Sharon has 24 colored paper clips in her desk drawer:12 are red, 8 are yellow, and 4 are blue. She also has 28 pushpins in her drawer: 11 are white, 14 are orange, and 3 are green. 1. If she picks one paper clip, what is the probability that it will be
asked on January 13, 2015 
History
We, whose names are underwritten, the Loyal Subjects of our dread Sovereign Lord King James…Having undertaken for the Glory of God, and Advancement of the Christian Faith, and the Honor of our King and Country, a Voyage to plant the first Colony in the
asked on October 2, 2018 
English
Write a letter to your friend in another school describing at least three thing that you like and dislike
asked on January 30, 2017 
Mathsoh cah toa
A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get
asked on April 7, 2016 
Chem
A student reacts 57g of salicylic acid with 21 mL of acetic anhydride producing 10.5g of acetyl salicylic acid. What is the percent yield of the reaction?
asked on March 20, 2016 
math
A bag contains the following marbles:6 red,4 orange,3 yellow,2 blue and 5 green. You choose a marble at random and do not replace it. Then you select another marble. P(red,then blue)3/95 P(orange,then blue) 2/95 P(blue,then yellow) 3/190 P(red,then yellow)
asked on January 13, 2015 
Math stem question
The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than twofifths of the length of the main span of the George Washington
asked on January 12, 2015 
MATH PLEASEEEEE
A)If a license plate consists of 2 letters followed by 3 digits or 3 letters followed by 2 digits, how many license plates can be created? B)You are given an exam with only 9 questions. if each question has 4 choices, howmany different possible answers can
asked on January 18, 2009 
science
Choose ALL of the following correct statements. Waxing Moons appear to get smaller as the Moon revolves around Earth. A waxing Moon occurs after the Full Moon during the month. A waxing Moon occurs after the New Moon but before the Full Moon A waxing Moon
asked on October 3, 2018 
physics....
Make a list of the characteristics of light that a model should explain: rectilinear propagation, reflection, refraction, partial reflection, partial refraction, dispersion, and diffraction. Briefly discuss how the wave model of light and the particle
asked on June 2, 2012 
Math
A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest
asked on July 27, 2016 
Can you check my Math answer please?
According to the first derivative test, a differentiable function must have a relative minimum between any two relative maxima. True.
asked on December 9, 2014 
physics!
how much work is done by each force acting on vacuum cleaner as it is pulled horizontally 3 m at a constant speed by a force of 50 N at an angle of 30degrees above the horizontal?
asked on October 26, 2011 
physics
a person is standing on a scale in an elevator that slowing down at a rate of 4m/s/s. the elevator is moving upward. if the persons mass is 80 kg what does the scale read during the period of time that the levator is accelerating?
asked on January 21, 2009 
Math
Sam's cat can run 45 feet per second about how fast is that in miles per hour
asked on November 9, 2016 
math
The lists below show the players who will be competing in two different games.Both games are pure chance;it is equally probable for any player to with either game. Game 1:Jen,Fred,Monique,Darryn Game 2:Craig,Sarah,Yvonne,Allan What is the probability that
asked on January 21, 2015 
Math
Suppose you purchase 3 identical Tshirts and a hat. The hat costs $19.75 and you spend $56.50 in all. How much does each Tshirt cost? My answer 56.50 19.75= 36.75 36.75/3=12.25 each
asked on January 12, 2015 
Math
Factor 48x+8
asked on January 12, 2015 
physics
The electric potential in a certain region is V = a x2 + b x + c, where a = 14 V/m2, b = −19 V/m, and c = 61 V. Determine the position where the electric field is zero. Answer in units of m Please help!
asked on July 9, 2013 
physical science
is it possible for people of different masses to have the same power output? Explain
asked on November 29, 2011 
physics!
how much work is done by each force acting on vacuum cleaner as it is pulled horizontally 3 m at a constant speed by a force of 50 N at an angle of 30degrees above the horizontal?
asked on October 26, 2011 
chemistry
In a mixture of ammonia an chlorine with excess ammonia what is the product
asked on March 28, 2011 
precalculus
write an equation in general form... the perpendicular bisector of the segment with endpoints at (2,1) and (4,5). I found the slope and then found the mid point and wrote to the equation and got X2Y=3. But the answer is X2Y=9...any help???
asked on September 15, 2009 
physics....
Suppose that the inside length of a microwave oven is 30 cm. If the length of a microwave oven is one half of the wavelength of microwaves used by the oven, find the frequency of the microwaves used in the oven. What is the equation that relates the three
asked on June 13, 2012 
trig
give 3 different coterminal angles in radians to: pie/3 i changed that to degree and got 60 degress, but now i'm stuck...i don't know what to do
asked on February 2, 2009 
math help please
two cards are dealt in succession from a standard deck of cards. what is the probability that the second card is red give that the first card was a heart. so i do p(R/H), then i know you go R*H/H. but how do i get the probability please explain! thanks. if
asked on January 19, 2009 
physicsmajor help!
the object hung from the cable has a weight of 25 N. write the equation for the sum of the forces in the ydirection. what is the tension i nthe cable? has a 30 degree angle. how do i do this pleasee help i don't understand at all!
asked on January 11, 2009 
discrete math
in how many ways can 4 different prizes be given to any 4 of 10 people if no person receives more than 1 prize? help please and explain!!!!!!
asked on September 15, 2008 
History
Under the concept of mercantilism, American raw materials during colonial times would be sent to _______________. Great Britain Africa The Thirteen Colonies Europe Great Britan?
asked on October 2, 2018 
maths
The first 3 term of an AP are x,2x+1 and 5x1 find x and the sum of the first 10 terms
asked on August 14, 2018 
English
Someone wishing to find employment at News Corp as a website developer would probably expect to engage in __________ before getting hired. A.a researchbased interview B.a quick promotion C.writing an essay D.a job interview I believe its C
asked on December 14, 2017 
chemistry
Write an equation for the reaction that take place in hydrogen sulphide gas when bubbled through a solution of zinc nitrate
asked on January 4, 2017 
Algebra 2
The third and sixth terms of a geometric sequence are 75 and 9375 respectively. Find the first term, the common ratio, and an explicit rule for the nth term.
asked on February 19, 2015 
math
write the following square root in form a root b where a and b are intergers and b has the least value possible . root 45=
asked on December 4, 2014 
physics....
1) Yellow light is incident on a singleslit 0.0315 mm wide. On a screen 70.0 cm away, a dark band appears 13.0 mm from the centre of the bright central band. Calculate the wavelength of the light.
asked on June 2, 2012 
algebra
A rectangle with sides 8 cm and 6 cm and one with sides 10 cm and 9 cm. Find the ratio of the perimeter and the areas of each pair of figures.
asked on April 26, 2011 
math
What is the value of cos 138 if the cosin 42 = 0.7431
asked on April 20, 2011 
precalc. please help:)
(square root y3)^2=(1square root 2y4)^2. how do i do this???? i am clueless, pleaseeee help!!!! i^7. how do I do this please describe! thanks for your time and help, I really appreciate it:)
asked on September 27, 2009 
8th grade
Need some info on the Battle of New Orleans I can't find it in my book
asked on March 9, 2009 
math
in the expansion of (x^2+3)^10 what is the coefficient of the term containing x^16. I did 10c4 * 3. But i am not getting the correct answer. can someone please show me how to do this. thanks for your time!
asked on January 18, 2009 
math
How many 4letter words can be formed by slection four letters from the word UNIFORM? I don't understand how to do this at all. I know the answer is 840 but why? i have no idea how to simplify this... can anyone help? (x+3)!/x+3 (x2)!/x!
asked on January 18, 2009 
math
which of the following functions have a inverse? f(x)=ab.solute value of x. f(x)=x^3 f(x)=x^4 f(x)=x^3 f(x)=x^4,xless then or equal 0. how do i know if they have an inverser, can someone please explain:) thanks for your time YOOO
asked on December 15, 2008 
discrete math
Nine people on a baseball team are trying to decide who will play which position. a. in how many different ways could they select a person to be pitcher? b. after someone has already been selected as pitcher, how mandy different ways could they select
asked on September 15, 2008 
discrete math
how do i solve linear equations? 4(k2)+3(k+1) =7.
asked on September 11, 2008 
spanish!!!
Which of the following is a common translation of ito? tasty big funny little is it little?
asked on October 4, 2018 
History
my answer: C // CharlesLouis Montesquieu contributed to the ideals of American government by articulating the concepts of _____________, or the division of authority amongst various branches of government. social contract checks and balances natural
asked on September 26, 2018 
science
in what stage of meiosis is there single chromosomes
asked on December 1, 2015 
chemistry
describe how you can prepare 500cm of 0.1 of hydrochloric acid from commercial Hcl of density 118g/cm and the percentage by mass 37%
asked on March 13, 2015 
7th grade math honors
The total cost for renting a kayak is represented as 25+5.50m. What is the constant in the expression 25+5.50m? Show work.
asked on January 12, 2015 
math help
multiply P(PQ+5)
asked on December 2, 2014 
um reviewing old subjects .. Linear Equations
Math.. and i don't understand this... plz go throw steps w me.. Like ex: 2 complementary angles a 24 degrees different. How much does each angle measure? Equation1: Equation: Method1: Method2:
asked on April 29, 2013 
Science
How much rope will be needed to lift a load 48m in a single fixed pulley system if the effort is 63n and why
asked on January 6, 2011 
Calculus
Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places. 1. First choose the interval of length .1 with 3 being the left endpoint of
asked on October 5, 2010 
math help please
two cards are dealt in succession from a standard deck of cards. find the probability that the first card is a diamond or a king. probability that the second card is red given that the first card was a heart. if two dice are rolled, what is the probability
asked on January 19, 2009 
math
you are given an exam with only 9 questions. if each question has 4 choices, how many different possible answers can you have for the entire exam?
asked on January 18, 2009 
Math
f(x)=1/x, g(x)=3X+1 find: f(g(3)) how do i do thiss... f(g(2)) g.g, g.f, f.g, pleaseee help:)thanks for your timeee
asked on December 15, 2008 
Math
give the domain, range, and zeros of: f(x)=absoulte value of x3. f(x)=x^24x8 f(x)=(x+1)(x+1)(x+1). f(x)=4 f(x)='9x1)^2+16 y=squareroot x. i don't understand how i konw what the range, domain, and zeros are...please give some answers so i get it
asked on December 15, 2008 
history
Alarmed by the building of a French fort in the Ohio River Valley, Fort Duquesne, the British sent a young Virginian, ____________, to treat with the French. Thomas Gage Thomas Jefferson George Washington Paul Revere A or D
asked on October 9, 2018 
math
how would you solve? 3/2x  4 = 16 20 13 1/3 15 1/3 30 i think 15 1/3
asked on September 27, 2018 
science
It is Summer for a city located in the Northern Hemisphere. Each day the amount of daylight varies slightly, but it is about 12 hours and 30 minutes. Which latitude is this city located at? 90 50 70 20
asked on September 25, 2018 
math
4x3:5
asked on August 17, 2018 
math
A regular hexagon is inscribed inside a circle. The circle has a radius of 12 units. A: What is the approximate measure of the apothem of the hexagon? B: What is the approximate area of the hexagon? Can someone help me?
asked on January 25, 2018 
Schuelke
A sample of an ore of iron, hematite, is 70% Fe2O3. How much iron is there in 5 kilograms of the ore? Answer in units of g.
asked on January 23, 2017 
Maths
Analyse the following equation using rotational axis 4x^2 + 9y^2  8x + 36y + 4 = 0
asked on December 17, 2016 
ga history
What was the name of Spain's first permanent colony in the New World
asked on November 1, 2016 
Math
Determine to 3 decimal places. (Please explain as you go, thank you) 7^0.4
asked on May 9, 2016 
Math
Determine to 3 decimal places. 7^0.4 (please explain as you go, thank you)
asked on May 9, 2016 
math
Ishaan works at a nearby electronics store. He makes a commission of 15% on everything he sells. If he sells a television for $392.00, how much money does Ishaan make in commission?
asked on December 6, 2015 
science
in what stage of meiosis is there single chromosomes
asked on December 1, 2015 
science
What are the major phases of the cell cycle?
asked on November 1, 2015 
1 step and 2 step equations
Y+158.95 Y=6.05?? 62=y87 Y=25? y/7=18 14z=56
asked on January 26, 2015 
Math help
multiply (5p)(5+p)
asked on December 2, 2014 
physics....
The universal law of gravitation describes the force of gravity between two bodies. What does it say about the strength of the gravitational field? How does the size of the object affect the use of the gravitational field equation? i know that the
asked on June 1, 2012 
physics....
1) Thin films, such as soap bubbles or gasoline on water, often have a multicoloured appearance that sometimes changes while you are watching. Explain the multicoloured appearance of these films and why their appearance changes with time. 2) Yellow light
asked on May 31, 2012 
track and field
is a speed of 6.5 on a tredmill for five minutes equal to a good mark for a seventh grade girl to get 67 seconds in the 4 by 400?
asked on May 12, 2012 
precalculus
The cost of a fill on acrylic nails is a function of how many broken nails. MArtha is charged $34 for 5 broken nails, while Grace is charged $26 for 1 broken nail. a)express the total cost as a fucntion of the number of broken nails. b)What is the slpe of
asked on September 15, 2009 
trig
is this right... a) give reference angle 200=20 degrees reference angle??
asked on February 2, 2009 
trig
converting degrees to radians. a) 95 degrees i did 95/180=19/36 then i did 19 pie/36. and i got 1.7. is that right if not can someone please explain! thanks so much
asked on February 2, 2009 
Math
how do i know what the domain is in these problems... i know that domain is the x value but how can i tell what it is? y=1/x y=3/x^249 y{x} y=square root of 3x y=[x].
asked on December 15, 2008

geometry
Nobody's here you didn't help me at all it said EXPONENTS!!!!!!!!!!!! Ughhhh
posted on October 23, 2018 
geometry
Ughhhhhh don't understand math😩😓😿😿😿😿😿
posted on October 23, 2018 
Math
Thanks it help a lot !!!😊😊😊😊😊
posted on October 23, 2018 
History
Ms. Sue what do you mean? will that help me answer?
posted on October 2, 2018