Archives
2015
January

Questions Asked on January 11, 2015

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. 1,990 views
ways to help farmers increase agricultural productivity
1. 1 answer
2. asked by Sydney
3. 455 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. 506 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. 1,034 views
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life.One major concept
1. 2 answers
2. asked by edward
3. 436 views
What is the percent by mass of hydrogen in aspirin C2H8O4?
1. 3 answers
2. asked by Sierra
3. 1,126 views
What is the mass of 1.00 mol of sodium hydrogen carbonate?
1. 4 answers
2. asked by Sierra
3. 1,018 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. 583 views
adi, john ,and hailee plant seedlings in their neighberhood park. adi plants 40% of the total number of seedlings, john plants
1. 1 answer
2. asked by matt
3. 413 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. 2,199 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. 782 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. 577 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. 659 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. 908 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. 567 views
7/8 x 3/4 - 1/16 =
1. 1 answer
2. asked by nike
3. 286 views
7/8 + 3/4 + 1/16 =
1. 1 answer
2. asked by nike
3. 318 views
Would these simplified expressions by equivalent to these expressions: i)f(x)=-3(x+2)^2ii)f(x)=x^2-x-2 / 3x^2+4x+1 Simplified
1. 1 answer
2. asked by Alex
3. 462 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. 1,892 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. 3,696 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. 2,345 views
Find dy/dx for 5x^2-2xy+7y^2=0I'm getting confused with signs.
1. 2 answers
2. asked by Anonymous
3. 1,209 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. 1,405 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. 1,090 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. 930 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. 747 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. 3,776 views
Two kids of mass 10 kg and 15 kg are trying to balance a see saw of total length 6 metres with fulcrum at the centre if one of
1. 2 answers
2. asked by Anonymous
3. 428 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. 3,592 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. 2,681 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. 737 views
I need to simplify this rational expression and show the steps, please help.
1. 1 answer
2. asked by Alice
3. 496 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. 576 views
Solve this linear equation,y-x divided by 2=5 x-y divided by 5=13
1. 1 answer
2. asked by Cherie
3. 442 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. 605 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. 518 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. 3,985 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. 2,944 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. 632 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. 700 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. 767 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. 1,177 views
Tom and Wendy both do three test and their marks have the same mean. The range of Tom's marks is twice the range of Wendy's
1. 1 answer
2. asked by Manya
3. 453 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. 1,334 views
amount of sugar present in 250g of 15% aqueous sugar solution (w/w) is ?
1. 1 answer
2. asked by Debajyoti Ghosh
3. 411 views
What is brownian motionand example
1. 1 answer
2. asked by precious
3. 377 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. 2,362 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. 684 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. 660 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. 1,127 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. 588 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. 1,054 views
A soft drink can has a circular base with diameter 7 cm and height 12 cm. What is the different in their capacities?
1. 1 answer
2. asked by dk
3. 446 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. 714 views
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life.One major concept
1. 1 answer
2. asked by edward
3. 479 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. 950 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. 516 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. 594 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. 601 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. 970 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. 1,489 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. 507 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. 775 views
Latitude of Ivvavik National Park? Or Yukon Territory?
1. 2 answers
2. asked by thi
3. 557 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. 1,540 views
Find the average speed of an automobile that travels 160 km in 2.0 h.
1. 1 answer
2. asked by wellington
3. 704 views
How much heat is lost when 12.55 g of zinc vapor at 907 degrees celsius is cooled to 425 degrees celsius?
1. 3 answers
2. asked by carly k
3. 475 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. 996 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
1. 0 answers
2. asked by Victoria
3. 792 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. 6,140 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. 622 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. 1,008 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. 3,030 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. 671 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. 516 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. 539 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. 491 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. 548 views
Explain El Zócalo and its importance.
1. 6 answers
2. asked by Anonymous
3. 553 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. 1,734 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. 578 views
In the sentenceIn long, narrow bays, tides are higher /highest than in other places. Higher flows smoother but are we comparing
1. 3 answers
2. asked by Kelley
3. 375 views
A set of 6 tent pegs is included with each pup tent sold. How many tent pegs were needed for 54 pup tents?
1. 1 answer
2. asked by Student.
3. 444 views
The shop sold 264 inflatable rafts in 24 days. What was the average number of rafts sold each day?
1. 1 answer
2. asked by JC
3. 401 views
The campout was open 312 days. During that time, 17,160 m of rope were sold. What was the average amount of rope sold each day?
1. 1 answer
2. asked by Lorraine
3. 484 views
Workers at the camp cut mosquito netting into lengths of 250 cm. How many of these lengths can be cut from 30 m of mosquito
1. 1 answer
2. asked by Anonymus
3. 379 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. 707 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. 709 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. 698 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. 3,149 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. 1,589 views
What is one specific example of why a person would be summoned to the Erie County Supreme Court?I know that the Erie County
1. 1 answer
2. asked by Lyndsay
3. 497 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. 509 views
If y= (e^x-e^-x)/(e^x+e^-x), then y'=I took the derivative and got: y'=(e^x+e^-x)(e^x+e^-x)-(e^x-e^-x)(e^x-e^-x)/(e^x+e^-x)^2 I
1. 1 answer
2. asked by Lyndsay
3. 394 views
How would Ion Propulsion affect the cpst of spaceflight? Or How much does ion thrusters/ ion propulsion cost?I have been
1. 0 answers
2. asked by Amber
3. 420 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. 1,433 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
1. 0 answers
2. asked by Victoria
3. 586 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. 937 views
find the mass in grams of 1.40x10^23 molecules of n2
1. 6 answers
2. asked by Sierra
3. 3,378 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. 595 views

Back to January 2015

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024