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Questions (145)

You have a stock 0.100 M solution of KMnO4 and a series of 100-mL volumetric flasks. What volumes of the stock solution will you
1. 7 answers
2. 2,557 views
The 2 pulleys in the figure have radii of 15 cm and 8 cm, respectively. The larger pulley rotates 25 times in 36 seconds find
1. 5 answers
2. 5,303 views
On page 111 of your reading material there is a problem that requires you to calculate the average speed for a daylong bus trip.
1. 4 answers
2. 1,866 views
Can I please have help with the following problem.Bee Spears Clothing Stores reported sales of $250,000 cost of goods sold of
1. 1 answer
2. 510 views
I am going to have questions to answer on this passage, and it's very difficult to understand so if anyone could please help me
1. 25 answers
2. 1,438 views
I A QUESTION WHAT ISMg+HCL->MgCL2 +H2 IS IT SYNTHESIS, SINGLE REPLACEMENT, DOUBLE REPLACEMENT OR DECOMPOSITION THX BYE Single
1. 1 answer
2. 534 views
Which element has atoms that can form single, double, and triple covalent bonds with atoms of the same element? the choices are
1. 1 answer
2. 1,296 views
i know the answer is carbon, but i don't see what you mean, and on my homework i have to describe why its the right answer,
1. 1 answer
2. 400 views
Can someone please check my answers dealing with various contingencies.-For each item, indicate how the situation should be
1. 1 answer
2. 458 views
My homework question is to name the four broad types of like-kind exchanges? Are they 1) Receipt of boot 2) Giving boot 3)
1. 1 answer
2. 826 views
Given the following problem: Pretend that you are a bus driver. You begin the day with an empty bus. At the first stop, you let
1. 1 answer
2. 626 views
The major perspective in psychology that views behavior as guided by one's self image and by needs of personal growth is thea.
1. 1 answer
2. 590 views
when writing an essay on this, is it ok to fill in the blanks with my own ideas?You should probably state that there is no
1. 1 answer
2. 554 views
if you have the sign of > or < does this also mean = ???? so confusedmy problem is -3x+2y=7 x+4y=-7 how do I do this? please
1. 2 answers
2. 522 views
f(x)=2x+5, find f(3)would this be worked out liek this 2(3)+5=11 Your answer is correct but improve your mathematical form and
1. 1 answer
2. 317 views
Given f(x) = 5x2 – 3x + 1, find f(–2).so would this be 5(-2*-2) -3(-2)+1 answer being 15 not correct (I assume looking at
1. 1 answer
2. 1,053 views
Given f(x) = 2x - 5, find f(-3a).okay were does the a come in here? do I just write -3a in place of x as i did before?
1. 1 answer
2. 253 views
Given g(x) = –2x – 1, find g(3a).G(3a)=-2(3a)-1 = -6a-1 = -5 is this right or do I just stop at -6a-1 Just stop at -6a-1
1. 1 answer
2. 671 views
A principal of $5000 was invested in a savings account for 4 years. If the interest earned for the period was $400, what was the
1. 1 answer
2. 1,159 views
Add a prepositional phrase to clarify either to whom an item(s) belongs.Cual es su problemas? (ella) Thank you for using the
1. 3 answers
2. 2,182 views
How do you go about solving this problem?x(a/4+1)y(c+3/2) /(x2)by-c+1 I am so confused about this. I don't get it! Please help.
1. 1 answer
2. 392 views
I have an analysis paper due on a poem. I have a few ?'s. Is the plot the same as the setting of the poem? when doing an outline
1. 1 answer
2. 406 views
If in a problem it states 1.8 million how do I write that out in number form? Is it just 1.8 multiplied by a million to get
1. 1 answer
2. 344 views
IF Twenty-five percent of your budget will be used to rent business space and pay for utilities. How do you write an algebraic
1. 3 answers
2. 473 views
What does a constant debt-equity ratio mean?
1. 1 answer
2. 742 views
According to the Value Line Investment Survey, the growth rate in dividends for JCPenney for the previous 10 years has been -10
1. 2 answers
2. 523 views
When was the most recent work stoppage in major league baseball?
1. 1 answer
2. 420 views
Three samples of an unknown acid are titrated with 0.4901 M NaOH. The average equivalent weight of the acid using the data below
1. 3 answers
2. 985 views
How do I figure out the portion of the company’s total assets that are being financed with debt?
1. 1 answer
2. 316 views
what is supply and demand?
1. 3 answers
2. 368 views
ok for changing the base of a log from 10 to e is there a formula?
1. 1 answer
2. 267 views
Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil
1. 7 answers
2. 1,698 views
what does 6x+4=instead of adding you minus?
1. 4 answers
2. 301 views
Graph the line containing the given pair of points and find the slope(1,0) , (-5, -3) -3-0/-5-1 + -3/4 so the slope would be
1. 2 answers
2. 981 views
Two strong magnets on opposite sides of a small table are shown. The long-range attractive force between the magnets keeps the
1. 4 answers
2. 1,417 views
Find the equation of the ellipse with vertices at (-1,3) and (5,3)and length of minor 4.
1. 4 answers
2. 518 views
f(x)=-x^2(x+3)(x-2)What are the x and y intercepts? Thanks!
1. 1 answer
2. 334 views
What are some of the challenges to using a managed care approach in mental health care? How does a managed care model of mental
1. 1 answer
2. 477 views
im trying to rearrange the following equation for x but getting confused because of the brackets and squares. I understand the
1. 2 answers
2. 896 views
Here's the problem I was asked: You are visiting your parents on a farm. They have asked you to design a small
1. 3 answers
2. 705 views
Explain the relation between trade and world output.Describe the broad pattern of international trade. If the nations of the
1. 2 answers
2. 616 views
In Quadratics Grade Ten:How do you find the coordinates of the vertex? What is the Optimum value mean? What are the zeros of the
1. 1 answer
2. 413 views
Kc=5.85x10^-3 at 25 degrees C for the reactionN2O4(g)<-->2NO2(g) fifteen(15.0) grams of N2O4 is confined in a 5.00-L flask at 25
1. 7 answers
2. 1,360 views
a 10.0mL vinegar sample was completely neutralized by 22.5mL 0.2M NaOH solution. calculate molarity and % of acetic acid in
1. 5 answers
2. 1,621 views
1. If our sun shrank in size to become a black hole, using the gravitational force equation, explain why the Earth's orbit would
1. 3 answers
2. 1,635 views
1. What did Newton conclude about the force that pulls apples to the ground and the force that holds the moon in orbit?2. What
1. 2 answers
2. 821 views
1. (a) How far below an initial straight-line path will a projectile fall in eight seconds?(b) Does your answer depend on the
1. 1 answer
2. 1,284 views
1. How much does it cost to operate a 75 W lamp continuously for 1 week if the power utility rate is 7/kWh?
1. 4 answers
2. 588 views
1. If the voltage impressed across a circuit is constant but the resistance increases by a factor of 15. By what factor does the
1. 2 answers
2. 821 views
1. What is a typical drift speed of electrons that make up a current in a typical DC circuit?(zero, less than 1 cm/s, about 10
1. 2 answers
2. 798 views
Bertrand Russell wrote, "I think we must retain the belief that scientific knowledge is one of the glories of man. I will not
1. 3 answers
2. 659 views
find the domain & range of each relation & identify any relations that define functionsy=3(x+1)^2-5
1. 1 answer
2. 380 views
find the other endpoint (x,11) of a segment given the endpoint (5,-4) and a distance of 17.
1. 1 answer
2. 362 views
What is the acceleration of a vehicle that changes its velocity from 120 km/h to a dead stop in 7 s?Answer in km/h·s
1. 5 answers
2. 543 views
If there were no air drag, how fast would drops fall from a cloud 2.4 kilometer above the Earth's surface?Answer in m/s.
1. 2 answers
2. 525 views
If there were no air drag, how fast would drops fall from a cloud 2.4 kilometer above the Earth's surface?answer in m/s.
1. 3 answers
2. 1,109 views
What are the differnt conditions for yest fermentation. i have to make a hypothesis and experment based on yeast fermentation. I
1. 2 answers
2. 598 views
How do elections in a single-member district differ from elections in states that fill their seats at-large?
1. 1 answer
2. 418 views
What is the acceleration of a 23 kg pail of cement that is pulled upward (not sideways!) with a force of 300 N?
1. 2 answers
2. 490 views
A bullet of mass 5.15 g is fired horizontally into a 2.74 kg wooden block at rest on a horizontal surface. The coefficient of
1. 4 answers
2. 866 views
1. How much acceleration does a 747 jumbo jet of mass 31600 kg experience in takeoff when the thrust for each of four engines is
1. 5 answers
2. 3,238 views
Sprinting near the end of a race, a runner with a mass of 70 kg accelerates from a speed of 6 m/s to a speed of 9 m/s in 2 s.(a)
1. 2 answers
2. 854 views
find v for the following question..the tip of the airplane propeller 3m long, rotating 500 times per minute (hint r=1.5m)
1. 3 answers
2. 1,914 views
1) A 6-ft propeller turns at 1200 revolutions per minute. Compare the angular velocity of the tip with the angular velocity at a
1. 3 answers
2. 826 views
1) What's the linear velocity of a point on the tip of a 6-ft propeller turning at 1200 revolutions per min?2) A gear is driven
1. 2 answers
2. 590 views
A particle travels horizontally between two parallel walls separated by 18.4m. It moves towards the opposing wall at a constant
1. 2 answers
2. 1,315 views
i need to find the perimeter of a triangle with the demensions : 2(q^2-3q) , q+10 , and q^2 .
1. 3 answers
2. 374 views
How to solve for the unknown:2/3/10 = 1.8/r
1. 1 answer
2. 276 views
A 40 kg weight is suspended at P which is held up By the ropes PQ and PR the ropes make angles at 160 degrees and 130 degrees
1. 1 answer
2. 842 views
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and
1. 2 answers
2. 601 views
Determine the vertical component of a baseball's velocity if the ball is thrown at 28 m/sec at an angle of 37 degrees with the
1. 3 answers
2. 596 views
when can you eat tuna after you ate egg?
1. 4 answers
2. 355 views
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to
1. 1 answer
2. 666 views
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to
1. 3 answers
2. 453 views
How to do polynaimals in 5th grade in the easyest form. How do you do problems like X+6=10 using all the steps instead of just
1. 4 answers
2. 409 views
A 30.0 mL sample of phosphoric acid is titrated with 18.0 mL of 3.0 M NaOH solution. What is the molarity of the phosphoric
1. 2 answers
2. 665 views
Observed under magenta colored lights, you see a crayon that appears red. What colors could the crayon be when observed under
1. 1 answer
2. 1,056 views
A woman is sitting in a boat at anchor on a lake. Her boat bobs up and down once every 2.0·s. She notices that when the front
1. 3 answers
2. 616 views
If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?
1. 3 answers
2. 956 views
Jenny please show me in better detail the set up of the answer.
1. 4 answers
2. 572 views
What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?
1. 3 answers
2. 1,082 views
If you filled three balloons with eaqual volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and
1. 1 answer
2. 451 views
For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and
1. 2 answers
2. 536 views
all distances are in feet and all are right angles. a straight line drawn from point w to point z would be how long in feet?
1. 1 answer
2. 386 views
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and
1. 3 answers
2. 454 views
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and
1. 1 answer
2. 718 views
A spherical conductor has a radius of 14.0 cm and charge of 26.0 µC. Calculate the electric field and the electric potential
1. 4 answers
2. 2,353 views
A spherical conductor has a radius of 14.0 cm and charge of 26.0 µC. Calculate the electric field and the electric potential
1. 3 answers
2. 1,682 views
A sample survey of 50 people in Harrisburg, PA indicates that 10 of them know the mayors name in the neighboring city. Out of
1. 4 answers
2. 459 views
Help with identify the property45x6=(40+5)x(5+6)= I think Assoiative prop. ( is this correct?) 6x1=6 I put identity prop. of 1
1. 3 answers
2. 642 views
A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s.(a) What is the current in the wire? 1 A (b)
1. 3 answers
2. 602 views
In the following examples, state how you would use the principle of marginal analysis to make a decision.a. Deciding how many
1. 2 answers
2. 838 views
A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is
1. 2 answers
2. 529 views
A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is
1. 1 answer
2. 474 views
Find a bound on the real zeros of the polynomialf(x)=x^4+4x^3-8x-6 can someone help me, I am confused and don't know where to
1. 1 answer
2. 379 views
use the rational zero theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros.
1. 2 answers
2. 546 views
solve the equation in the real number system.2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show
1. 4 answers
2. 611 views
solve the following exponential equation.7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points
1. 2 answers
2. 1,186 views
use the properties of logarithms to find the exact value of the expressionloglower 3^18 - log lower3^6 **how do I make the three
1. 1 answer
2. 1,069 views
solve the following equation9^x-1 = 144(6x) please show work.
1. 3 answers
2. 264 views

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