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Questions Asked on January 11, 2015

The linear impulse delivered by the hit of a boxer is 97.7 N·s during the 0.368 s of contact.What is the magnitude of the
1. 1 answer
2. asked by Kim
3. 6,449 views
A taxi company charges passengers $1.00 for a ride, and an additional $0.30 for each mile traveled. The function rule C = 0.30m
1. 8 answers
2. asked by SkatingDJ
3. 6,230 views
You have set up Remote Desktop for the company server running Server 2008 so that your users can RDP in from their XP
1. 3 answers
2. asked by Frank
3. 4,042 views
Find all points of extrema on the interval [0, 2pi] if y=x+sinx(-1.-1+(3pi/2)) (pi, pi) (-1,0) ((3pi/2), 0) none of these I got
1. 1 answer
2. asked by Anonymous
3. 3,830 views
Shawn and his bike have a total mass of51.1 kg. Shawn rides his bike 1.7 km in 10.7 min at a constant velocity. The acceleration
1. 2 answers
2. asked by sarah
3. 3,751 views
I read the short story "I Go Along" by Richard Peck. I must answer: "The title of this story can be interpreted in a number of
1. 4 answers
2. asked by Bethany
3. 3,666 views
find the mass in grams of 1.40x10^23 molecules of n2
1. 6 answers
2. asked by Sierra
3. 3,422 views
A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that
1. 4 answers
2. asked by Alex
3. 3,187 views
What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?-I found this to be C3H3O
1. 1 answer
2. asked by Bridget
3. 3,084 views
given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.
1. 2 answers
2. asked by Monica
3. 3,072 views
3 PART PROBLEM:Jen bought some sesame bagels and some plain bagels. The ratio of the number of sesame bagels to the number of
1. 4 answers
2. asked by kymy
3. 3,010 views
A particle is moving along the x-axis according to the position function s(t)=3t^2-t^3. What is its maximum velocity?A. 1 B. 2
1. 2 answers
2. asked by Anonymous
3. 2,715 views
When evolution was first proposed, which of the following was used as evidence to support the idea?A)observations of nature
1. 10 answers
2. asked by SkatingDJ
3. 2,418 views
A racing car has a mass of 1970 kg.The acceleration of gravity is 9.8 m/s^2. What is its kinetic energy if it has a speed of 102
1. 1 answer
2. asked by anna
3. 2,394 views
In a cladogram, a branch point represents a(n) _______ and a branch that ends without leading to a living species represents
1. 4 answers
2. asked by SkatingDJ
3. 2,255 views
The hypotenuse of a right triangle is 35 cm long, and the length of the short sides is 23 cm. Find the length of the other side.
1. 1 answer
2. asked by Rona
3. 2,031 views
Classify each substance as either arrhenius acid or base:A) HF (aq) B) Ba(OH)2 (aq) C) H2SO4 (aq) D) NH4OH (aq) My work A)
1. 2 answers
2. asked by ROSE
3. 1,955 views
Let f(x) be a polynomial function such that f(4)=-1, f’(4)=2 and f”(4)=0. If x<4, then f”(x)<0 and if x>4, then f”(x)>0.
1. 1 answer
2. asked by Anonymous
3. 1,773 views
A 32 kg gun is standing on a frictionless surface.The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive
1. 11 answers
2. asked by Jackie
3. 1,667 views
The reaction of sodium hydrogen carbonate (baking soda), NaHCO3 and vinegar is a safe and effective method of opening a clogged
1. 1 answer
2. asked by Mike
3. 1,623 views
The area of a basketball court is 4,700 square feet. The length of the court is 94 ft. What is the width of the basketball
1. 3 answers
2. asked by Mashayla
3. 1,533 views
A current of 4.00 A is passed through a solution of AgNO3 for 1.00 hr. What mass of silver is deposited at the cathode? (In
1. 3 answers
2. asked by Jon
3. 1,478 views
Together Marc and Paul have $32 Marc has $4 less than twice the amount Paul has. How much does each man have?How do I set this
1. 4 answers
2. asked by jill
3. 1,467 views
Mercury and bromine will react with each other to produce mercuric bromide. What mass of mercuric bromide can be produced from
1. 1 answer
2. asked by Abby K.
3. 1,459 views
A guy wire from the top of a telephone post touches the ground at a point 7 meters from the foot of the post. If the wire and
1. 1 answer
2. asked by maniru
3. 1,452 views
John Locke explained a "social contract" isa belief that government has final authority over citizens an agreement that all
1. 9 answers
2. asked by jeje
3. 1,445 views
if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
1. 1 answer
2. asked by Anonymous
3. 1,407 views
One of nature's patterns connects the percent of adult birds in a colony that return from the previous year and the number of
1. 1 answer
2. asked by Les
3. 1,378 views
A golf ball (m = 35.4 g) is struck a blow thatmakes an angle of 61.8 ◦ with the horizontal. The drive lands 176 m away on a
1. 1 answer
2. asked by Alex
3. 1,370 views
Find dy/dx for 5x^2-2xy+7y^2=0I'm getting confused with signs.
1. 2 answers
2. asked by Anonymous
3. 1,242 views
A ladder is 3.5 m long. It leans against a vertical wall when placed on horizontal ground . The ladder rest at a point on the
1. 1 answer
2. asked by abena
3. 1,216 views
What is the percent by mass of hydrogen in aspirin C2H8O4?
1. 3 answers
2. asked by Sierra
3. 1,172 views
A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank?
1. 3 answers
2. asked by Kelly
3. 1,166 views
A fisherman on a wharf is pulling a rope tied to a boat. If his hand is 5 meters above sea level, how long is the rope if it
1. 2 answers
2. asked by maniru
3. 1,137 views
A solid cube with an edge 10 cm is melted to from two equal cubes. Find the ratio of the edge of the smaller cube to the edge of
1. 2 answers
2. asked by dk
3. 1,116 views
an annuity has an initial balance of $5000. annual withdrawals are made in the amount of $800 for 9 years, at which point the
1. 4 answers
2. asked by Sam
3. 1,102 views
Simplify. Do not use negative exponents in the answer.12x-2y4 -3xy-7 There should be a line between like a fraction but it did
1. 2 answers
2. asked by slomo
3. 1,101 views
What is the mass of 1.00 mol of sodium hydrogen carbonate?
1. 4 answers
2. asked by Sierra
3. 1,059 views
okay, sorry for last post but this one i'm stuck on.Use the vertical line test to determine if the relation {(–6, –2),
1. 2 answers
2. asked by SkatingDJ
3. 1,047 views
Let f(x) be a polynomial function such that f(-2)=5, f’(-2)=0 and f”(-2)=3. The point (-2, 5) is which of the following for
1. 1 answer
2. asked by Anonymous
3. 1,028 views
glycerin C3H8O is a nonvolatile liquid. what is the vapor pressure of a solution made by adding 164 g of glycerin to 338 mL of
1. 1 answer
2. asked by Nelson
3. 1,015 views
Which statement is NOT true of the graph f(x)=(x+1)(x-3)^2?A. f has a relative maximum at (⅓, 256/27) B. f has a point of
1. 3 answers
2. asked by Anonymous
3. 1,011 views
A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that
1. 1 answer
2. asked by Alex
3. 973 views
From a point 36 meters from a building and 2.3 meters above the ground, the angle of elevation of the top of the building is
1. 1 answer
2. asked by maniru
3. 967 views
1. Two edges PQ, RS of a tetrahedron PQRS are perpendicular; show that the distance between the mid-points of PS and QR is equal
1. 1 answer
2. asked by veeraprathap
3. 951 views
Write an equation for the relationshipz varies jointly with x and the square of y, and inversely with r and s.
1. 1 answer
2. asked by nancy
3. 931 views
I am thinking of changing physical science and do business with math,life science,business and geography what career can i
1. 1 answer
2. asked by Tumi
3. 869 views
I would need help with example: The three numbers are consecutive terms of arithmetic progression and the sum of their second
1. 2 answers
2. asked by Viktoria
3. 828 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
1. 0 answers
2. asked by Victoria
3. 824 views
The ratio of boys to girls in a graduation class is 5:4. If there are 153 pupils in this class, how many boys are there?
1. 3 answers
2. asked by Irene
3. 822 views
Write the total ionic and net ionic equations for each of the following reactions:A) hydrobromic acid with potassium hydroxide
1. 1 answer
2. asked by Rose
3. 817 views
A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the
1. 1 answer
2. asked by Alex
3. 816 views
Mickey determines that the angle of elevation from his position to the top of the tower is 52°. He measures the angle of
1. 1 answer
2. asked by maniru
3. 804 views
Find the absolute maximum and absolute minimum of f on the interval (-1,2]: f(x)=(-x^3+x^2+3x+1)/(x+1)A. Maximum: (1, -2);
1. 1 answer
2. asked by Anonymous
3. 792 views
A runner travelling at a velocity of 2.5 m/s[S] accelerates at a constant rate to pass anotherrunner to win the race. She
1. 1 answer
2. asked by kl
3. 774 views
A lead pencil is in the shepe of a cylinder. The pencil is 21cm long with radius 0.4 cm and its lead is of radius 0.1 cm.what is
1. 1 answer
2. asked by dk
3. 768 views
if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
1. 2 answers
2. asked by Bella
3. 758 views
an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another
1. 1 answer
2. asked by olivia
3. 755 views
Use the graph of f(x)=x^2/(x^2-4) to determine on which of the following intervals Rolle’s Theorem applies.A. [0, 3] B. [-3,
1. 1 answer
2. asked by Anonymous
3. 748 views
I have the ratio for this question but I need help with finding the value of ratio using the ratio I came up with: ratio of
1. 1 answer
2. asked by Alex
3. 743 views
An object moves in a circular path at 861 rpm. If the radius of its circular path is 9.27 meters, calculatea) the distance
1. 1 answer
2. asked by JOHNNY
3. 739 views
Find the average speed of an automobile that travels 160 km in 2.0 h.
1. 1 answer
2. asked by wellington
3. 737 views
Part 1 of 2Write the balanced molecular equation for the reaction between iron metal (the nail) and aqueous copper II sulfate
1. 1 answer
2. asked by Richard
3. 729 views
I did a lab where I was supposed to make "estimates" on transition compounds based on their electron configuration of how the
1. 1 answer
2. asked by Jessie
3. 725 views
Consider f(x)=x^2/(x^2+a), a>0. Determine the effect on the graph of f if a is varied.A. Each y value is multiplied by a B. As a
1. 2 answers
2. asked by Anonymous
3. 723 views
I need to plan a lesson on 'Human Migration' to teach the class. This topic is from B3 GCSE.These are the learning points: ALL:
1. 1 answer
2. asked by Hifza
3. 723 views
if we consider multiplication as repeated addition then it is simple to visualise 3x4=12 as 4 being added three times which is
1. 3 answers
2. asked by Help me out it's urgent!
3. 706 views
We have to do a project where we have to write the diary for a fictional person. I chose to do a canadian western farmer. I was
1. 1 answer
2. asked by Elizabeth
3. 690 views
Sulfuric acid is dripped onto samples of three metals: silver, =zinc, and aluminiuma) Use the activity series to determine
1. 1 answer
2. asked by Michelle
3. 680 views
I need to be shown the steps on how you derive at this answer(5a^7 / 2b^5c)^0 = 1
1. 2 answers
2. asked by slomo
3. 665 views
if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
1. 1 answer
2. asked by Anonymous
3. 664 views
Which of the following legal publications is NOT typically updated with pocket parts?Legal encyclopedias Legal dictionaries
1. 8 answers
2. asked by Andian
3. 660 views
What volume of 0.20M NaOH will contain 1.00g of NaOH
1. 2 answers
2. asked by c
3. 651 views
The coefficient of staticfriction between a skier and the snow is 0.16, with a coefficient of kinetic friction of 0.13. The
1. 1 answer
2. asked by Peta
3. 649 views
Find the equation for the parabola with the given vertex that passes through the given points.vertex (-4,2) point (-3,0) please
1. 1 answer
2. asked by Alicia
3. 647 views
Given f(x) = -1/x, find all c in the interval [-3, -½] that satisfies the Mean Value Theorem.A. c= -sqrt(3/2) B. c= +or-
1. 3 answers
2. asked by Anonymous
3. 638 views
A backyard covers 225 square feet. If the lenght of the backyard is 15ft,what is the perimeter of the backyard.
1. 1 answer
2. asked by Mashayla
3. 637 views
Water flows through cylinder pip of internal diameter 7cm at 2m per second. If the pipe is always half full, them what is the
1. 1 answer
2. asked by dk
3. 632 views
The cash price of a cupboard is $3 000. An interest of 25% is charged if the cupboard is bought on hire purchase terms. Amina
1. 1 answer
2. asked by king
3. 631 views
Find (f+g)(x),(f-g)(x),(f*g)(x), and (f/g)(x) for each f(x) and g(x)Now we were working well on this until we got to this f(x)
1. 2 answers
2. asked by Alejandro
3. 624 views
Solve each inequality:(1/(2b+1)) + (1/(b+1)) > (8/15) (2/(x+1)) < 1 - (1/(x-1)) My teacher told me the answer is in interval
1. 6 answers
2. asked by John
3. 621 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
1. 0 answers
2. asked by Victoria
3. 621 views
The base of an isoceles triangle is 26 cm .If the perimeter is 72 cm.Find the lengt of each of the equal sides
1. 1 answer
2. asked by Quincy Micaela
3. 619 views
Calculate the pH of a solution prepared by diluting 0.0015L of a 0.100 mol/L nitric acid solution with 0.5L of water.*C1×V1=C2�
1. 1 answer
2. asked by Fayza
3. 616 views
Determine the mass of the precipitate, lead iodide that is formed when 150 ml of 0.0500M pb(no3)2 is reacted with excess
1. 1 answer
2. asked by Juliana
3. 613 views
Latitude of Ivvavik National Park? Or Yukon Territory?
1. 2 answers
2. asked by thi
3. 599 views
Since 2007, a particular fund returned 13.8% compounded monthly. How much would a $4000 investment in this fund have been worth
1. 1 answer
2. asked by CJ
3. 595 views
The LexisNexis case abbreviation is:A. LN. B. LX. C. LE. D. LEX. is it A?
1. 4 answers
2. asked by Anonymous
3. 591 views
Explain El Zócalo and its importance.
1. 6 answers
2. asked by Anonymous
3. 587 views
A cell exhibits a standard Ecell of 0.35V at 298K. What is the value of the equilibrium constant for the cell reaction if n = 2?
1. 1 answer
2. asked by Richard
3. 583 views
A backyard covers 225 square feet. If the width of the gym is 25 ft, what is the perimeter of the backyard?
1. 2 answers
2. asked by Mashayla
3. 563 views
The temperature on one day in January for Phoenix, AZ, is 62 degrees Fahrenheit. On the same day in Barrow, AK, the temperature
1. 1 answer
2. asked by cathy
3. 561 views
Simplify the expressions in each pair. (2 marks each) (Show your work)(x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying
1. 1 answer
2. asked by Alex
3. 560 views
Do you know some site where can I look for Science And Technology Engineering Mathematics books?
1. 1 answer
2. asked by jim
3. 558 views
Determine themass of the copper solid produced when excess magnessuim metal reacts with 250 ml of 0.0500M copper acetate
1. 1 answer
2. asked by Juliana
3. 558 views
How many square feet of wallpaper is needed to cover a wall if it has a perimeter of 50 ft and a height of 10 ft?
1. 1 answer
2. asked by Mashayla
3. 542 views
I need to simplify this rational expression and show the steps, please help.
1. 1 answer
2. asked by Alice
3. 540 views
Solve the system algebraically2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!
1. 2 answers
2. asked by Alicia
3. 538 views
How many mL of 0.5 M HCl(aq) are needed to neutralize a 288 mL solution of 0.25 M NaOH?
1. 2 answers
2. asked by Anonymous
3. 537 views
How long (in seconds) does it take to deposit 1.065e+001 g Zn on a steel gate when 2.375e+001 A are passed through a ZnSO4
1. 1 answer
2. asked by Jon
3. 533 views

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