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February 8, 2015
Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing
1 answer
asked by
Anonymous
10,348 views
A 66-kg baseball player slides into third base. He starts his slide at a speed of 4.3 m/s and his speed is zero just as he
2 answers
asked by
mathew
9,163 views
TWO PART
Ellen is playing a video game in which she captures butterflies. There are 3 butterflies onscreen, but the number of
15 answers
asked by
Kara
5,682 views
Consider a regular tetrahedron whose face is an equilateral triangle of side 7.
Find the area of the horizontal cross section A
1 answer
asked by
Mwe
5,661 views
Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees.
What is the value of x
8 answers
asked by
Bella
5,117 views
Two angles of a quadrilateral measure 130° and 20°. The other two angles are in a ratio of 5:16. What are the measures of
7 answers
asked by
theodore jabooa
4,704 views
Find the volume of the solid whose base is the circle x^2+y^2=25 and the cross sections perpendicular to the x-axis are
1 answer
asked by
Mwe
4,463 views
The velocity-versus-time graph is shown for a particle moving along the x-axis. Its initial position is x0 = 1.8m at t0 =0s.
Part
2 answers
asked by
anonymous
3,374 views
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0
1 answer
asked by
Anonymous
2,915 views
Gabe went to the amusement park with $40 to spend. His ticket cost $26.50. Write and solve an inequality to show how much he
7 answers
asked by
maria
2,862 views
A recipe for 1 batch of muffin included 2/3 cup of raisins. Ina made 2 1/2 batches of muffins. How many cups of raisin did she
5 answers
asked by
anonymous
2,789 views
Isosceles trapezoid JKLM has legs Jk and LM and bases KL and JM. Jk=8X+5 KL=4X+1 LM=10x+4 and MJ=18X+3, area of JKLM?
2 answers
asked by
al
2,538 views
a boy of mass 40kg and a girl of 30kg play on a see saw of negligible weight.if the boy sits 270cm from the pivot of the see-saw
3 answers
asked by
randy
2,421 views
A pyramid V-ABCD is cut from a cube of edge 12 in.,as shown in the figure. The
vertex V is the midpoint of an upper edge of the
5 answers
asked by
Rosebymae
2,371 views
Correct punctuation for Boston, Massachusetts
Played an important role in American history and politics.
1 answer
asked by
Diane
2,337 views
May this is it ; Storm over ocean torrents of rein dropping downward and theirs no sign that its stopping anytime soon/ face and
1 answer
asked by
Gabe
2,210 views
A nail is driven into a board with an initial kinetic energy of 150 j. If the potential energy before and after the event is the
1 answer
asked by
nireen
2,093 views
A math class has a total of 47 students. the number of females is 17 less than the numberof males. how many males and how many
2 answers
asked by
greg
1,793 views
A uniform rod of weight 5N and lenght 1m is pivoted at a point of 20 cm from one of its ends. A weight is hung from the other
1 answer
asked by
Kiwiwi
1,705 views
a child mass m slides down a slide 5 m high. the child speed at the bottom of the slide is 3 meters per second. what is the
1 answer
asked by
Dan
1,600 views
What mass of sucrose (C12H22O11) should be combined with 477g of water to make a solution with an osmotic pressure of 8.15atm at
1 answer
asked by
chemstud
1,584 views
When 20.1 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this reaction?
My work so
1 answer
asked by
Gianna
1,569 views
A box with an open top is to be constructed by cutting equal-sized squares out of the corners of a 18 inch by 30 inch piece of
3 answers
asked by
moshie
1,505 views
Find all the solutions of the equation in the interval {o,2pi)
5sqrt3 tan x+3=8sqrt3 tan x
2 answers
asked by
Fiona
1,474 views
A car traveling 85km/h slows down at a constant 0.52m/s2 just by "letting up on the gas." Calculate the distance the car coasts
3 answers
asked by
Katy
1,435 views
A cash register contains only five dollar and fifty dollar bills. It contains four times as many five dollar bills as fifty
2 answers
asked by
nelson
1,427 views
The third term of a geomatrie sequence is 6 and the sixth term is 3/32.determine the fist three terms and the general term Tn
3 answers
asked by
Snontia
1,422 views
kellys dog eats 1 2/3 bones in 10 days. How many bones will he eat in 18 days?
3 answers
asked by
Johnny
1,418 views
Samuel bought three cups and four spoons for Kshs 324. Daniel bought five cups and Mary bought two sppons of the same type as
2 answers
asked by
John
1,394 views
Analyze the prompt :In the following passage from The Scarlet Letter, the narrator describes Hester Prynne in her isolation from
2 answers
asked by
Amy
1,364 views
A rectangular swimming pool is twice as long as it is wide. A small concrete walkway surrounds the pool. The walkway is a
2 answers
asked by
Carlos
1,341 views
A bag contains 5 red and 4 green apples. Michael takes one apple at random from the bag. His sister Ashley then takes an apple
1 answer
asked by
Anna
1,318 views
History makes it clear that the federal bench has attracted people from a fairly select demographic, usually the __________ and
4 answers
asked by
Pat
1,268 views
Words:
curtail devastate Disgress Incentive Incorporate Indispensable Intermittent Rigor Squander Succumb (1,2)Duane feels he
1 answer
asked by
Celine
1,238 views
The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive charges q1 and q2 are fixed
1 answer
asked by
ciaran
1,200 views
On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A
1 answer
asked by
lisa
1,101 views
find the number of revolutions taken by the wheel of a truck to cover a distance of 78.5 km if the diameter of the wheel is 1m
2 answers
asked by
shehzad
1,087 views
an electric water pump raises 500 kg of water through a vertical height of 25 m in 50 sec. Calculate the power of electric pump.
1 answer
asked by
Ayantika
1,084 views
While legal experts recommend a felony caseload of no more than __________ per attorney per year, some attorneys represent
1 answer
asked by
Pat
1,083 views
Solve the equation with rational exponents. (X-1)^2/3=36
2 answers
asked by
Brittany
1,067 views
at STP , what is the volume of 7.08 mole of Nitrogen gas ?
1 answer
asked by
jade
1,043 views
Balance redox reaction.
Fe(s) + O2(g) + H2O(l)-->Fe2+(aq) +OH-
1 answer
asked by
michelle
1,014 views
0.959 g of a hydrocarbon is dissolved in 10.00g of benzene. The freezing point of the solution is 1.16C. Find the molecular mass
1 answer
asked by
Steph
1,001 views
A federal judge can be removed from the bench via:
A. public vote. B. impeachment in the House of Representatives and conviction
1 answer
asked by
Pat
1,000 views
In a well organized essay, analyze the language and rhetorical devices the narrator uses to convey his attitude toward Hester
1 answer
asked by
Amy
981 views
Find all pairs of integers whose difference is 5 and product is 234.
1 answer
asked by
Anonymous
955 views
Jenny was planting flowers for her garden. She had to plant 4 rose flowers for every jasmine flower she planted. If she plants
3 answers
asked by
Student
905 views
A baseball (m = 145 g) traveling 20 m/s moves a fielder's glove backward 25 cm when the ball is caught. What was the average
0 answers
asked by
mathew
898 views
Value Rent-A-Car rental a luxury car at a daily rate of $42.15 plus 50 cents per mile. A business person is allotted $130 for
3 answers
asked by
B
893 views
Can someone show me and explain a step by step process how to do this problem? Thanks
1) Two equal but opposite charges re
1 answer
asked by
Lyn
879 views
Calculate the mass of ethanol that must be burnt to increase the temperature of 150g of water by 75 degrees celsius, if exactly
1 answer
asked by
Isabella
867 views
There are 5 quadratics below. Four of them have two distinct roots each. The other has only one distinct root; find the value of
2 answers
asked by
Juliet
847 views
Rewrite each line of poem by putting capital letters and punctuation marks where they belong.I have tried to get this but i'm
1 answer
asked by
Gabe
832 views
find the period, amplitude,zeros, extreme points at maximum and minimum of the given function:
1.y = sin( -2x) 2.y = 4 sin( 5x)
1 answer
asked by
rhine
806 views
In a well organized essay, analyze the language and rhetorical devices the narrator uses to convey his attitude toward Hester
1 answer
asked by
Amy
778 views
Yalda has six $5 notes, ten $10 notes and four $20 notes in her purse. If she takes out one note, what is the probability that
1 answer
asked by
Arzam
769 views
Starting from rest, a 11.70 kg suitcase slides 3.14 m down a frictionless ramp inclined at 40° from the floor. The suitcase
1 answer
asked by
sarah
741 views
What is the salary in Canada for the following careers:
Fashion Designer Comic book artist Hair stylist/designer (theater and
1 answer
asked by
human
738 views
This is trigonometry:
A tree's height is unknown so we have to solve for the height of the tree. The tree casts a 11m shadow. And
2 answers
asked by
Izzy
735 views
The sum of two counting numbers is 243. Half of one number is four times the other
number. What are the numbers?
2 answers
asked by
Anonymous
728 views
A 25.0 mL sample of drinking water suspected to contain lead(II) ions is treated with excess 0.800 M sodium chloride. A
1 answer
asked by
Nguyen
703 views
Find the number of negative integers greater than -500 that are divisible by 33.
Also find their sum. How do I set up this
1 answer
asked by
anon
702 views
Suppose we want to estimate the average number of purchases in a given hour in a local convenience store. Using this example
0 answers
asked by
slomo
696 views
In the lab, a relativistic proton has a momentum of 1.00 × 10-19 kg · m/s and a rest energy of 0.150 nJ. What is the speed of
0 answers
asked by
Anonymous
696 views
A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions.
0 answers
asked by
David Egan
669 views
If 7.63 g of CuNO3 is dissolved in water to make a 0.180 M solution, what is the volume of the solution?
2 answers
asked by
Felicia Fancybottom
668 views
(ii) Calculate the direction and magnitude of the joint force at the mid-point between the fourth and fifth lumbar vertebrae by
0 answers
asked by
kkuh
661 views
which is the best location for farming?
a. east of the jordan river b. central syria c. southern israel ***** d. the coast of
6 answers
asked by
Check Answer
643 views
I don't really know where to start on the problem. Would I use V = k(q/r)? But what would I do afterwards.
Much explanation on
1 answer
asked by
Aria
635 views
White phosphorus (P4) was used for a long time in military incendiary bombs and ordnances. White phosphorus reacts with oxygen
1 answer
asked by
danny
631 views
Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates
1 answer
asked by
kyle
627 views
A 0.25 kg particle moves along an x axis according to x(t) = - 10 + 3 t + 2 t2 - 5 t3, with x in meters and t in seconds. In
1 answer
asked by
Anonymous
619 views
A light string is attached to both a hanging mass m1 = 5 kg and to a pulley of mass m2= 6 kg, and radius R = 0.75 m. If the
1 answer
asked by
Anonymous
616 views
There are 750 students in a school. If the number of girls is 120 more than the boys, how many boys are there in the school?
3 answers
asked by
Student
613 views
17th-Century collectors trying to fashion a “Wunderkammer” (cabinet of curiosities) might potentially have been interested
3 answers
asked by
Sarah
600 views
Can someone help me answer this question, so I would know what to do for a question like this next time?
Thank you! A box
1 answer
asked by
Anonymous
597 views
The common external tangents to the graphs for (x+1)^2+y^2=1 and (x-2)^2+y^2=4 are drawn. Find the slope of the tangent line
1 answer
asked by
Anon
596 views
which do you think was the more far-reaching accomplishment, determining the structure of dna, or sequencing the human genome?
1 answer
asked by
Shala
594 views
Which factors has revolutionised world history by patrick manning ?.I have written about world war and industrial but am not
2 answers
asked by
comeford
591 views
The shadow of an electric pole is 5 m. long when thr angle of elevation of the seen is 60 degrees. Find the length of the shadow
1 answer
asked by
Res
587 views
jeff has a big scoop of ice cream that is 10 inches tall it melts by 25% in a minute whats the height of the ice cream after one
2 answers
asked by
joey
584 views
There are two sign posts A and B on the edge of the road. A is 400 m to the west of b. A tree is on a bearing of 60 degree from
1 answer
asked by
John
583 views
Write two hydrolysis reactions for Cu^2+ reacting with water in each step to form CuOH^+ and Cu(OH)2. The hydrolysis constants
1 answer
asked by
Brian
580 views
Hi! My teacher told my class that the answer to this question is "1-sin x/cosx" but she wants us to figure out why. I tried
1 answer
asked by
Kelly
579 views
This problem is about pizza. You have a circular pizza and you want to slice it
with n straight cuts into the maximum number of
0 answers
asked by
Ralph
565 views
In today's society, many middle class people argue that they cannot build wealth because of wrong choices , over spending, own a
3 answers
asked by
antonio
564 views
Calculate the change in Gibb’s free energy when 1.63 moles of sodium metal react with excess chlorine gas to form sodium
1 answer
asked by
danny
562 views
The a hollow cylinder. The internal and external radii are estimated to be 6 cm and 8 cm respectively, to the nearest whole
0 answers
asked by
Kudu
559 views
On January 31, a count of ending inventory was completed, and 7,200 units were on hand. Using the periodic inventory system,
0 answers
asked by
Theresa
559 views
Given a triangle ABC, draw straight lines from the vertex A to n points on the
opposite side BC. (None of these n points can
0 answers
asked by
Ralph
553 views
7.Calculate the volume of a substance that has a density of 5.47 g/mL and a mass of 8.065 g.
1 answer
asked by
ako
550 views
If there is a constant towing force of 1.5 kN, how long would it take a tow truck to tow a 1400 kg car from rest to 52 km/h?
(Ass
1 answer
asked by
nesh
549 views
Assume no air friction and that the acceleration due to gravity is 10 meters/sec^2. A ball is moving horizontally at a rate of 5
1 answer
asked by
Anon
547 views
Which careers can i persue with those subjects?
2 answers
asked by
Kutullo
546 views
A solution of 0.200M NaOH (14.0 mL) is mixed with 42.4 mL of 0.170M HNO3. Assuming the final volume is the sum of the initial
1 answer
asked by
Jessica
543 views
Researchers at the University of Rochester studies children born with an infection called roseola. The children also have the
1 answer
asked by
Hampton
542 views
how do I calculate the area occupied by one single molecule, given # of molecules per meter^2 (9.6e15), the Molarity? (.1
1 answer
asked by
Tom
540 views
how much energy (kj/mol) is required to break the hydrogen bond in water (Er=80.0) (Er= Relative permitivity)
I'm really not sure
0 answers
asked by
Tom
539 views
let X1,X2,X3 be random sample with pdf
f(x)=exp(-x),x>0,find the joint pdf of Y1=X1/X2, Y2=X3/(X1+X2) ,Y3=X1+X2, and find pdf of
0 answers
asked by
assma
535 views
A solution of 0.200M NaOH (14.0 mL) is mixed with 42.4 mL of 0.170M HNO3. Assuming the final volume is the sum of the initial
1 answer
asked by
Jessica
533 views
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