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Kelsey

Questions and answers by Kelsey, page 3

Questions (314)

A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first
1. 2 answers
2. 1,142 views
If .237 mol of ammonia react with 56g of iodine, how much Nitrogen triiodid, in grams, is produced?
1. 1 answer
2. 355 views
Part 1A pitcher claims he can throw a 0.167 kg baseball with as much momentum as a 2.43 g bullet moving with a speed of 87735
1. 1 answer
2. 476 views
A(n) 685 N man stands in the middle of afrozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of
1. 1 answer
2. 465 views
A(n) 685 N man stands in the middle of afrozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of
1. 1 answer
2. 517 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the measure of angle A to the nearest degree?
1. 1 answer
2. 1,272 views
For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the length of side b to the nearest foot?
1. 3 answers
2. 675 views
For a given right triangle, side a = 400 feet and side b = 900 feet.What is the measure of angle A to the nearest degree?
1. 2 answers
2. 536 views
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side c to the nearest foot?
1. 1 answer
2. 443 views
For a given right triangle, side a = 400 feet and side b = 900 feet. What is the measure of angle B to the nearest degree?
1. 2 answers
2. 692 views
For a given right triangle, side a = 490 feet and side b = 960 feet. What is the measure of angle B to the nearest degree?
1. 1 answer
2. 611 views
For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the measure of angle A to the nearest degree?
1. 3 answers
2. 579 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the length of side c to the nearest tenth of a
1. 1 answer
2. 495 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the length of side c to the nearest tenth of a
1. 1 answer
2. 734 views
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side a to the nearest foot?
1. 1 answer
2. 336 views
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side a to the nearest foot?
1. 2 answers
2. 670 views
For a given right triangle, angle B = 46±and side c = 30 feet. What is the length of side a to the nearest foot?
1. 4 answers
2. 636 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
1. 1 answer
2. 1,044 views
Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1
1. 1 answer
2. 444 views
Are drawing a black and red card independent or mutually exclusive?Are drawing a black card and queen independent? Are drawing a
1. 3 answers
2. 849 views
Is .1M NaH2PO4 a good buffer? Explain.
1. 3 answers
2. 521 views
Solve each inequality by using algebra.24. x 2 - 11x + 13 ≤ 25 25. -2x 2 + 3x + 4 ≥ -1 26. x 2 - 5x - 4 < -9 27. Sports A
1. 1 answer
2. 469 views
How would you solve the following I'm stumped..1. 2x^2(squared)=30-4x 2. X^3(cubed)+8x=-6x^2(squared) Thanks!
1. 3 answers
2. 434 views
calculate the dimensions of a cube that contains 22.4L of gas at STP.
1. 1 answer
2. 410 views
An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is
1. 2 answers
2. 577 views
A baseball diamond has 90 ft. between each base. A softball diamond has 60 ft between each base. How many yards longer is the
1. 3 answers
2. 504 views
This question is based on an experiment to determine the mass of ASA.Information from the experiment : • ASA is a weak acid
1. 2 answers
2. 851 views
(20.47 S-AQ) A sample survey interviews an SRS of 252 college women. Suppose (as is roughly true) that 71% of all college women
1. 1 answer
2. 465 views
1) Le compro un regalo para mi hermana.Me lo compro esta tarde. Se lo compro esta tarde. Te las compro esta tarde. Se la compro
1. 3 answers
2. 680 views
Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $484. What is
1. 3 answers
2. 470 views
Two cars travel in the same direction along a straight highway, on at a constant speed of 38.0 mi/h and the other at 89.0 mi/h.
1. 2 answers
2. 780 views
A truck on a straight road starts from rest and accelerates at 3.0 m/s2 until it reaches a speed of 18.1 m/s. Then the truck
1. 3 answers
2. 791 views
A student throws a set of keys vertically upward to her sorority sister, who is in a window 3.80 m above. The keys are caught
1. 2 answers
2. 744 views
A ball is thrown upward from the ground with an initial speed of 49 m/s; at the same instant, another ball is dropped from a
1. 1 answer
2. 404 views
Two identical heavy metal spheres are released from the same height. Sphere 1 is at rest, and sphere 2 has a velocity of 10 m/s
1. 3 answers
2. 982 views
At the airport they have people movers (horizontal escalators). Your friend decides to use the people mover and since you've
1. 1 answer
2. 461 views
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What
1. 3 answers
2. 1,136 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
1. 1 answer
2. 503 views
A boat moves through the water of a river at 9.5 m/s relative to the water, regardless of the boats direction. If the water in
1. 1 answer
2. 416 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
1. 3 answers
2. 2,334 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
1. 1 answer
2. 439 views
Which of the following surfaces has the largest amount of static friction against your skin? Which one has the highest
1. 2 answers
2. 528 views
A bag of sugar weighs 6.70 lb on Earth.a) What would it weigh in newtons on the Moon, where the free-fall acceleration is one
1. 1 answer
2. 502 views
The density of gold is 19 times that of water. If you take a gold crown weighing 32 N and submerge it in water, how much upward
1. 4 answers
2. 2,869 views
For the first time customers, a bank will open an account with $25 included. This bank also charges a monthly $2.95 service fee
1. 4 answers
2. 797 views
How did homesteaders cause the spread of traditional values such as democracy and a strong work ethic?
1. 2 answers
2. 585 views
Analyze the effects of the federal government's monetary policies such as tariffs and the gold standard, on the following
1. 4 answers
2. 527 views
1.What was the central conflict between Native American groups and the United States, and how did their goals differ?2. (a)What
1. 4 answers
2. 671 views
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?
1. 1 answer
2. 436 views
if 6 bars of soap cost $2.70, how much would 10 bars of soap cost?
1. 1 answer
2. 351 views
A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 13.5 degrees. It momentarily stops when it has
1. 2 answers
2. 682 views
We saw the months of wicked weather,As day to painful night did turn, Waiting, huddled close together For the frozen sun’s
1. 4 answers
2. 603 views
2x-5y=3 and -4x+10=-6 is there a solution. Use any method to solve if possible
1. 2 answers
2. 599 views
A 5kg block slides along a frictionless surface at 8 m/s toward a second block that is 2kg and attached to the end of a
1. 3 answers
2. 623 views
If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of
1. 2 answers
2. 541 views
If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection
1. 3 answers
2. 1,078 views
If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of
1. 2 answers
2. 526 views
The density of a 0.0122 M KMnO4 is 1.037 g/mL. Suppose 26.35 g of 0.0122 M KMnO4 are required to titrate 1.072 g of a household
1. 4 answers
2. 2,635 views
PLEASE HELP. DUE TOMORROWA large box 4.5 m on a side has mass 90 kg. A force F is applied as shown, making an angle θ = 35 with
1. 3 answers
2. 527 views
If an astronaut could hop 40 cm high on Jupiter, how high could he or she jump on earth? On the moon? Please help me fast I have
1. 1 answer
2. 493 views
A 37.0 g mass of a metal was heated to 100°C and then plunged into 74 g of water at 24.0°C. The temperature of the resulting
1. 3 answers
2. 994 views
Find the a/b form, where a and b are integers and b isn't equal to 0, for each of the following:A. 0.29 (29 repeating) B.
1. 2 answers
2. 763 views
A stock's price dropped from $63.28 per share to $27.45. What was the loss on a single share of the stock?
1. 5 answers
2. 1,735 views
Solubility Rules!! Homework problem I desperately need help withSolutions used: 6M HCl, 6M NaOH, 6M NH3, 3M H2SO4 Mixed with:
1. 2 answers
2. 808 views
Arrange the following real numbers in order from greatest to least:0.8, 0.8(repeating 8), 0.89(repeating 89), 0.889( repeating
1. 3 answers
2. 1,635 views
When adding the sqare root of 25 and negative 9, which type of number is the sum?Whole Number Irrational Number Integer Radical
1. 3 answers
2. 1,102 views
describe how the triassic period was a transitional time. during the mesozoic era explain why the boundary between triassic and
1. 12 answers
2. 1,330 views
You are planning to save for retirement over the next 15 years. To do this, you will invest $1,100 a month in a stock account
1. 2 answers
2. 713 views
You just acquired a mortgage in the amount of $249,000 at 6.75% interest, compounded monthly. Equal payments are to be made at
1. 2 answers
2. 716 views
Gene's Art Gallery is notoriously known as a slow-payer. The firm currently needs to borrow $27,500 and only one company will
1. 3 answers
2. 778 views
You have an investment with 10 semi-annual cash flows of $1000. The first payment is 6 months from today. If the EAR is 11% what
1. 2 answers
2. 504 views
If the APR is 7% with monthly compounding, compute the quarterly rate
1. 3 answers
2. 605 views
After deciding to buy a new car, you can either lease the car or purchase it on a 3-year loan. The car costs $32,000. The lease
1. 2 answers
2. 955 views
Regular exercise stimulates ___ which keeps the skeletal system moving to assist digestion and excretion.A.)peristalsis B.)urea
1. 12 answers
2. 3,837 views
Complete combustion of propane (C3H8).How many grams of water are produced when 50 grams of propane are reacted with 101 liters
1. 2 answers
2. 948 views
Which of the following are Boolean operaters?A.) and, or, not B.) to, for, from C.) a, and, the D.) is, are not
1. 2 answers
2. 679 views
Sulfuric acid can dissolve aluminum metal according to the following reaction.2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose
1. 2 answers
2. 1,154 views
Help me create a mnemonic device to remember the Four Basic Units of Language: Phonemes, Morphemes, Syntax, and Semantics
1. 3 answers
2. 1,084 views
For chlorine gas, the van der Waals constants are: a = 0.658 J·m3/mol2, and b = 5.62 × 10-5 m3/mol. A 3.0-L tank contains 10.0
1. 3 answers
2. 1,279 views
Calculate the total entropy change hat occurs when 2kg of lead at 40 degrees celcius are placed in a very large quantity of
1. 4 answers
2. 1,439 views
Explain how the electric potential energy of a particle can increase when moving from a region of high electric potential to a
1. 1 answer
2. 426 views
Suppose that the U.S. government decides to charge wine consumers a tax. Before the tax, 10 billion bottles of wine were sold
1. 3 answers
2. 2,249 views
I have 25 million gallons of water at a pH of 6.5. I add 17.4 million gallons of 12.5% by wt sodium hypochlorite (NaClO) at a pH
1. 4 answers
2. 470 views
I have the answer to this question but the book does not explain WHY this is a good buffer solution? It uses pH=pKa -
1. 2 answers
2. 802 views
The sum of two numbers is nine. Four times the smaller is equal to two times the larger.
1. 2 answers
2. 481 views
A 36-meter rope is divided into three pieces. One piece is twice as long as the shortest piece, and the third piece is 1 meter
1. 2 answers
2. 716 views
An astronaut with a mass of 90 kg (including spacesuit and equipment) is drifting away from his spaceship at a speed o f.2 m/s
1. 3 answers
2. 980 views
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of
1. 1 answer
2. 484 views
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of
1. 3 answers
2. 469 views
A supersonic jet airplane passing directly overhead creates a shock wave that makes an angle of 51∘with the horizontal. What
1. 1 answer
2. 469 views
How did the net voltage of the two cells connected in series compare to the net voltage of a singlewhy the calculated cell
1. 1 answer
2. 450 views
What would the predicted voltage be if four Zn(s)/ Zn2+(aq) // Ag+(aq) / C (s) cells were connected in series
1. 1 answer
2. 408 views
Starting from 105 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is traveling at a
1. 4 answers
2. 1,917 views
How many orbitals are available with the following combination of quantumnumbers? 1) n = 2; l = 0 2) n = 3; l = 2 3) n = 4; l =
1. 2 answers
2. 621 views
Three even numbers sum up to 104. The smallest is half the largest and the middle number is2 3 the largest. What are the three
1. 2 answers
2. 951 views
I'm unsure of how to rearrange Balmer's equation to solve for n2. The equation is 1/lambda= R(1/2^2-1/n2^2)
1. 4 answers
2. 2,762 views
When calcium iodate is added to water at 25 degrees Celsius, the equilibrium concentration of calcium ion was found to be
1. 3 answers
2. 762 views
How many posts does it take to support a fence around a square field measuring 200ft on a side if posts are placed every 20ft
1. 3 answers
2. 3,800 views
What is lim inf sin((n*pi)/8) as n --> infinity.
1. 3 answers
2. 416 views
I need help converting the complex number z = (-1 + sqrt(1 + 4i))/2i to the form rei^(theta).I found what the number in the
1. 3 answers
2. 522 views

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