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Brian

Questions (476)

In nuclear reactors, subatomic particles called neutrons are slowed down by allowing them to collide with the atoms of a
1. 2 answers
2. 679 views
Use algebra and the properties of limits as needed to find the limit.If the limit does not exist, say so. (→ − ∞)lim:
1. 1 answer
2. 805 views
let x-f(p)=10(16-p) be a demand function find the domain of this function and find where demand is elastic, inelastic, and unit.
1. 1 answer
2. 424 views
find the derivativef(x)= e^1/x^2�ãx
1. 0 answers
2. 274 views
Calculate the [H3O+ ] for 0.42 M HCl. Answer in units of M.
1. 1 answer
2. 1,005 views
Consider the titration of a 35.0-mL sample of 0.175 M HBr with 0.200 M KOH. Determine the pH after adding 5.0 mL of base beyond
1. 1 answer
2. 1,528 views
Calculate the pH of a solution that results from the mixture of 50.0 mL of 0.15 M HCOOH with 75.0 mL of 0.13 M HCOONa. Now,
1. 1 answer
2. 612 views
Calculate the concentration of all species in a 0.15 M KF solution. Ka = 6.4 x 10-4 for HF.
1. 3 answers
2. 1,066 views
Which one of the following pairs of reactants would react together in a Lewis Acid/Lewis Base reaction?a. KOH and HNO2 b. NaOH
1. 1 answer
2. 506 views
If each of the salts listed in A through E were dissolved in water to make a 0.1 M solution, which solution would have the
1. 1 answer
2. 551 views
The pH of a 0.065 M solution of a weak base is 11.70. What is the value of Kb for this base?
1. 5 answers
2. 912 views
If independent events have probabilities p and q, what are the odds of at least one of the events occurring?
1. 0 answers
2. 450 views
An experiment has probability p of success, q of failure and 1 - p - q of neither, If independent trials are repeated over and
1. 1 answer
2. 635 views
please help I can not understand this.I need an implicit form answer for the general solution of differential equation
1. 1 answer
2. 506 views
If the column of water in the water barometer fore to a height of 35ft, what would the atmospheric pressure be in mm Hg?mmH20X(d
1. 0 answers
2. 660 views
Use the remainder theorem to findvP(-2) for P(x)=2x^4+4x^3-5x^2+4.Specifically, give the quotient and the remainder for the
1. 1 answer
2. 588 views
what mass of water at 15C can be cooled 1C by heat necessary to melt 185g of ice at 0C
1. 1 answer
2. 837 views
Charges of −4q are fixed to diagonally opposite corners of a square. A charge of + 5q is fixed to one of the remaining
1. 1 answer
2. 1,371 views
A large box whose mass is 20 kg rests on a frinctionless floor. A mover pushes on the box with a force of 250 N at an angle of
1. 1 answer
2. 2,925 views
Topic- Each students will pick three things to write a consumer report on. It's your choice.Compare-For each item that you pick
1. 3 answers
2. 698 views
a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this
1. 1 answer
2. 629 views
A 0.075 kg ball in a kinetic sculpture moves at a constant speed along a motorized conveyor belt. The ball rises 1.32 m above
1. 10 answers
2. 12,349 views
a percentage bar graph is sometimes used like a circle graph. If the bar is 8 cm, how long is each piece?
1. 1 answer
2. 882 views
How can the faces of two cubes be numbered so that when they are rolled, the resulting sum is a number 1 to 12 inclusive and
1. 0 answers
2. 694 views
For a certain transverse wave, the distance between two successive crests is 3.11 m, and 5 crests pass a given point along the
1. 3 answers
2. 691 views
Two samples of water of equal volume are put into two dishes and kept at room temperature for several days. The water in the
1. 1 answer
2. 701 views
A man collected $28500 on a loan of $25000 he made 4 years ago. If he charged simple interest, what was the yearly interest
1. 1 answer
2. 995 views
a skateboarder moving at v = 4.8 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal
1. 2 answers
2. 600 views
what are some things I can include in an essay about Hoagland's "City Rat"Please don't reply with links. I can do that myself.
1. 1 answer
2. 400 views
Find dy/dx by implicit differentiation.sin x = x (1 + tan y)
1. 0 answers
2. 658 views
Assignment  Calculate the pH, pOH, [H+], and [OH] for each of the followingsolutions. Show all work. (10 Points) Solution
1. 1 answer
2. 887 views
rry leaves home at 4:07 and runs at a constant speed to the lamppost. He reaches the lamppost at 4:11, immediately turns, and
1. 2 answers
2. 680 views
50.0 mL of water is heated from 60 C to 85 C. How much heat was absorbed by the water sample in jouleCan anybody help me
1. 0 answers
2. 481 views
How many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of products?Consider the
1. 3 answers
2. 1,558 views
It is stand accounting procedures, or GAAP, to make an adjusting entry to remove the current year’s principle from the
1. 2 answers
2. 916 views
A jetliner can fly 6.50 hours on a full load of fuel. Without any wind it flies at a speed of 2.15 102 m/s. The plane is to make
1. 1 answer
2. 684 views
describe a real life situation that can be represented by the following:A - (B U C) The U is a union symbol
1. 1 answer
2. 614 views
write 128 in each of the following basesA) five B)two C)twelve
1. 1 answer
2. 457 views
Where do the parentheses go in this equation? 8+3x6-4-1=13?
1. 1 answer
2. 633 views
in plants the process that happens when sugars break down and give off energy is called
1. 0 answers
2. 386 views
Why do we name hurricanes?
1. 1 answer
2. 317 views
Why do we name hurricanes?
1. 1 answer
2. 343 views
simplify3sqrt-1/8
1. 1 answer
2. 360 views
3y-18/35 divided by y-6/15y
1. 1 answer
2. 521 views
You make $ 90000 a year, and you get a 10% raise. Your new salary is $ .???The next year you get a 10% cut. Your new salary is $
1. 2 answers
2. 1,015 views
Two algebra II questions... simple, i believe?give a numerical example to show that subtraction is not commutative. and give a
1. 2 answers
2. 588 views
A scientist has devised a new method of isolating individual particles. He claims that his method enables him to detect
1. 1 answer
2. 1,040 views
Please help me solve this!The spectrum of the sodium atom is detected in the light from a distant galaxy. If the 590.0 nm line
1. 0 answers
2. 569 views
(a)Assuming that only gravity is acting on it, how far does an electron have to be from a proton so that its acceleration is the
1. 1 answer
2. 707 views
Suppose an investment offers to triple your money in 12 months (don't believe it). What rate of return per quarter are you being
1. 2 answers
2. 2,115 views
You have just won the lottery and will receive $1,000,000 in one year. You will receive payments for 30 years, which will
1. 1 answer
2. 1,177 views
I'm having trouble with question 2, please helpThe velocity of an object in simple harmonic motion is given by v(t)= -(0.275
1. 0 answers
2. 529 views
The velocity of an object in simple harmonic motion is given by v(t)= -(0.275 m/s)sin(23.0t + 2.00π), where t is in seconds.1)
1. 2 answers
2. 547 views
Two blocks of masses M and 5M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and
1. 1 answer
2. 914 views
I appreciate all of your help. We had about 77 of these problems to do. These are the LAST two problems that I need some help
1. 0 answers
2. 359 views
I appreciate all of your help. We had about 77 of these problems to do. These are the LAST two problems that I need some help
1. 0 answers
2. 290 views
solve each equation:x over x+1 plus 2= 3x over x+2
1. 2 answers
2. 395 views
Solve each equation:11/3v+2 minus 3/4= 5 over 3v+2
1. 2 answers
2. 364 views
I appreciate your help. This is the last problem that I need help with today. The answer is suppose to be -1/43x/x+1=5x over x-1
1. 1 answer
2. 357 views
Solve the equation: Thank you2/y + y-1/3y= 2/5
1. 1 answer
2. 338 views
5 over 2x-5 minus 4 over 5= 1 over 2x-5I have a quick question... what would i multiply by? I know how to do the rest of the
1. 1 answer
2. 898 views
Solve each equation: Thank you5-x over 3 minus x-2 over 4 = 5/12
1. 1 answer
2. 397 views
Solve each equation:5 over 2x-5 minus 4/5= 1 over 2x-5
1. 2 answers
2. 373 views
I have a number of questions for a finance assignment that is meant as a review for our final. However my final is being written
1. 1 answer
2. 551 views
A developer plans to build houses around lake okeebele. Most of his customers want to buy about 100 feet of lakefront. How many
1. 1 answer
2. 402 views
The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers1, 4, 9, 16, 25, . . . The
1. 2 answers
2. 1,963 views
why did kenneth clarks interpretation of the aferican mask is ethnocentric
1. 0 answers
2. 374 views
What pronoun is used for the "Empire State Building"?
1. 0 answers
2. 414 views
A small business decides to lower the salaries of its employers by $8,250 over a year. To do this, all of the 15 employeers will
1. 1 answer
2. 460 views
The sum of two numbers is 73. Their difference is 21. Find the larger number.?
1. 1 answer
2. 822 views
when working the following equation, I came up with 0/4. Would the final outcome be 0? Here is the equation. 2x+3/4, and here is
1. 1 answer
2. 360 views
You have 75 employees, 1/6th of them retired, and 1/4 of them left the company for new jobs. how many employees did you have in
1. 1 answer
2. 412 views
Two small loudspeakers that are 5.50 apart are emitting sound in phase. From both of them, you hear a singer singing C#
1. 1 answer
2. 511 views
If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a "double".How do I do this?
1. 1 answer
2. 2,630 views
Three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second and
1. 1 answer
2. 775 views
Assume that at sea-level the air pressure is 1.0 atm and the air density is 1.3 kg/m3.(a) What would be the height of the
1. 1 answer
2. 1,228 views
In my heads/tails question- why isn't it 1/6? I flip a coin three times, aren't there only 6 possible outcomes?
1. 1 answer
2. 507 views
what are the odds in favor of getting at least one head in three successive flips of a coin?I need to know the formula on this.
1. 2 answers
2. 531 views
A bullet of mass 8.0 g is fired horizontally into a 2.2 kg wooden block at rest on a horizontal surface. The coefficient of
1. 2 answers
2. 766 views
Ricardo, mass 88 kg and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 30 kg canoe. When the canoe is at rest
1. 1 answer
2. 818 views
What are complementary colors and how due different wavelengths of light affect the original color?
1. 1 answer
2. 612 views
What is a general rule relating the color of an object to the color(s) of light that it absorbs?
1. 1 answer
2. 487 views
atoms heated in a sample emit only certain colors of light in sharp lines and not all colors blended together tells us what
1. 1 answer
2. 721 views
A popular pastime is to see who can push an object closest to the edge of a table without its going over. You push a 130 g
1. 1 answer
2. 1,146 views
A proton, moving with a velocity of vinitial i, collides elastically with another proton that is initially at rest. Assuming
1. 1 answer
2. 1,069 views
Hello. I was wondering if you can please assist me with writing a short paragraph comparing Baldwin's account of the Titanic
1. 1 answer
2. 699 views
Two masses of 4.25 kg each, connected by a string, slide down a ramp making an angle of 44° with the horizontal. The
1. 1 answer
2. 1,535 views
A certain force gives mass m1 an acceleration of 10.0 m/s2 and mass m2 an acceleration of 4.0 m/s2. What acceleration would the
1. 0 answers
2. 370 views
A 24- kg monkey climbs up a massless rope that runs over a frictionless tree limb and back down to a 35- kg package on the
1. 1 answer
2. 845 views
A certain force gives mass m1 an acceleration of 10.0 m/s2 and mass m2 an acceleration of 4.0 m/s2. What acceleration would the
1. 0 answers
2. 446 views
2≤y-4<7
1. 1 answer
2. 294 views
5/6(12z-24)>2/5(25z-25>Help please?
1. 3 answers
2. 525 views
It is 6:45 on Friday evening at the Y;all Come Restaurant. Winnie the waitress approaches the table where the four Martins are
1. 1 answer
2. 447 views
For this problem a/a-1- a-1/a=4 .Is the answer a=1 1/2. I solved it by multiplying a(a-1) both side as suggested by bobpursley.
1. 1 answer
2. 474 views
how to solve this:a/a-1 - a-1/a = 4
1. 1 answer
2. 369 views
Studies show that the income elasticity of demand for servants in the United States exceeds 1. Nevertheless, the number of
1. 1 answer
2. 479 views
if three darts are thrown at the dart board and no darts hits a line what score is possible?
1. 1 answer
2. 813 views
Which of the following is a hard covering that protects an anthropod?a)exoskeleton b)endoskeleton c)mantle d)segment
1. 2 answers
2. 252 views
Which of the following structures does not provide support for invertebrae bodies?a)backbone b)tiny glass structures c)skin
1. 2 answers
2. 317 views
So for English we're doing poetry. With a partner we both wrote our own poems and compared them. We had to find one word that
1. 2 answers
2. 1,103 views

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