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lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find
1. 0 answers
2. 497 views
a lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find
1. 0 answers
2. 594 views
A vector parallel to the tangent to the curve x=3t^(4/3) y=2t^3 -1 z= 2/(t^2) at the point (3,-3,2) on the curve is:the answer
1. 1 answer
2. 428 views
Given f(x,y,z)=<y,z^2-x,x> use stokes theorem to determine the flux integral curlF dot ds, where S is the graph of z=9 - x^2 -
1. 2 answers
2. 653 views
a vector parallel to the line of intersection of the planes. x-2y-z=6 and 3x-y+z=4the answer is <3,4,-5> so first, I took the
1. 2 answers
2. 1,679 views
A diffraction grating with 150 slits per centimeter is used to measure the wavelengths emitted by hydrogen gas. At what angles
1. 0 answers
2. 893 views
An igneous rock contains a Pb−206/U−238 mass ratio of 0.367.How old is the rock? (U−238 decays into Pb−206 with a
1. 1 answer
2. 2,591 views
According to the manual of a certain car, a maximum torque of magnitude 76.0 N · m should be applied when tightening the lug
1. 0 answers
2. 683 views
A normal population has mean 100 and variance 25. How large must the random samplebe if we want the standard error of the sample
1. 2 answers
2. 5,429 views
Question: Object A is moving at a maximum speed of 6m/s towards Object B. At 50 m away Object B accelerates from the approaching
1. 2 answers
2. 757 views
I am looking for the school report each year regarding school violence and vandalism? I can not find this information on the
1. 1 answer
2. 637 views
What are the expected charges on the following transition metals?Mn= Rh=
1. 1 answer
2. 352 views
What culture would someone have if they live in Missouri
1. 2 answers
2. 399 views
Calculate the molar enthalpy of reactionstandard enthalpy of formation below. H20 = -285.8 kj/mole H+ = 0.0 kj/mole OH- = -229.9
1. 2 answers
2. 619 views
How would temperature changes observed using a calorimeter differ forexothermic and endothermic reactions?
1. 1 answer
2. 1,559 views
A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of0.1M Fe(NO3)2 as one half-cell and
1. 1 answer
2. 1,772 views
An air puck of mass 0.278 kg is tied to a stringand allowed to revolve in a circle of radius 1.25 m on a horizontal,
1. 0 answers
2. 756 views
evaluate the integral of 2e^xdx from -5 to 5.
1. 1 answer
2. 377 views
Weights of parts are normally distributed with varianceσ2. measurement error is normally distributedwith mean zero and variance
1. 0 answers
2. 659 views
In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 13.0 m/s. The batter hits the ball, and
1. 0 answers
2. 1,360 views
An ice hockey puck slides along the ice at 15 m/s . A hockey stick delivers an impulse of 4.8kg/m/s causing the puck to move off
1. 2 answers
2. 1,125 views
integral of y^3/(y^4 +1) dyI don't get how you get (1/4) ln(y^4 +1) out of this. I thought you would do the quotient rule. but
1. 4 answers
2. 383 views
Mattie is a new sociology professor at the local college. During her first lecture, she noticed that some students were yawning.
1. 2 answers
2. 1,018 views
In the transmission of digital information, the probability that a bit has high, moderate,and low distortion is 0.01, 0.04, and
1. 1 answer
2. 1,289 views
A ball player hits a home run, and the baseball just clears a wall 20.3 m high located 119.0 m from home plate. The ball is hit
1. 0 answers
2. 751 views
how would you calculate the largest prime number given a number x so for example say someone inputs 8 , the largest prime number
1. 1 answer
2. 482 views
write a ratio in 3 ways, comparing the first quantity to the second. A week has 5 school days and 2 weekends. Second question
1. 0 answers
2. 875 views
A bullet is fired straight up from a gun with amuzzle velocity of 214 m/s. Neglecting air resistance, what will be its
1. 0 answers
2. 407 views
John can build 7 birdhouses in 5 hours, write an equation that will allow john to calculate the time it will take to build any
1. 0 answers
2. 516 views
A recipe for fruit salad serves 4 people. It calls for 2 oranges and 16 grapes. You want to serve 10 people. How many oranges
1. 4 answers
2. 911 views
A 52.2 kg parachutist lands moving straight downward with a speed of 3.75 m/s. If the parachutist comes to rest with constant
1. 1 answer
2. 818 views
Calculate the volume in liters of a M copper(II) sulfate solution that contains of copper(II) sulfate . Round your answer to
1. 1 answer
2. 1,077 views
Bananas are $0.59/pound. What is the constant of proportionality?
1. 1 answer
2. 849 views
find the values of the variables32 40 96 120 112 x 144 180 k 230 how do you do this? what is the formula? Thank you
1. 5 answers
2. 429 views
A helicopter weighs 3920 newtons, caculated the force on it if it is ascending up at a rate of 2m/s squre ,what wil b force on
1. 9 answers
2. 6,753 views
Find the unit rate. Run 400 meters in 1 min 32 s. Have no idea, please help.
1. 2 answers
2. 505 views
Which statement BEST describes the philosophy of Sir Robert Filmer?A. Kings derive their power from the consent of their
1. 10 answers
2. 4,085 views
Four girls (say I, II, III and IV) are to rank 3 different types of cake (say A, B and C) in a blindfold test. Each girl ranks
1. 0 answers
2. 523 views
An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the
1. 0 answers
2. 628 views
write 4% as a fraction form
1. 1 answer
2. 415 views
identify one rational number and one irrational number that are members of the interval (-8,8)
1. 1 answer
2. 410 views
When a test charge q0 = 9 nC is placed at the origin, it experiences a force of 8 times 10-4 N in the positive y direction.(c)
1. 1 answer
2. 1,702 views
A particle beam is made up of many protons each with a kinetic energy of 3.25times 10-15J. A proton has a mass of 1.673times
1. 3 answers
2. 4,998 views
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
1. 1 answer
2. 398 views
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
1. 1 answer
2. 443 views
Find two unit vectors that make an angle of 60° withv = <6, 8>
1. 2 answers
2. 879 views
calculate the amount of work it takes to increase a cars speed from 10mph to 30 mph and from 50mph to 60mph. Is more work
1. 1 answer
2. 413 views
a man with a 45kg mass dove 12m from a building into 0.32m of water. a)what was his kinetic energy when he hit the water?b)what
1. 1 answer
2. 343 views
a 1.2 kg ball drops vertically onto the floor, hitting with a speed of 25m/s. it rebounds with an initial speed of 10m/s. a)
1. 1 answer
2. 1,161 views
a 60g golf ball leaves the face of the club with a velocity of 75m/s. if the club exerted an average force of 3.0x10to the 4th
1. 1 answer
2. 1,083 views
a 50kg box is pushed up a 30 degree plane which is 100m long. what is the speed of the box after being pushed the 100m? Mk=0.1
1. 1 answer
2. 462 views
a baseball is thrown from a mound .833ft above ground level ,to home plat 60.5 feet away. the ball is released horizontally from
1. 1 answer
2. 686 views
suppose that a 70.0kg box is pulled by a 400.N force at an angle of 30 degrees to the horizontal. the coefficient of sliding
1. 1 answer
2. 2,847 views
Two ships leave different ports A and B 100 miles apart at 0800 hours, each heading for the opposite port on reciprocal courses.
1. 1 answer
2. 567 views
Find the exact area of the surface obtained by rotating the curve about the x-axis.9x = y2 + 36, 4 ≤ x ≤ 8 I keep on getting
1. 4 answers
2. 2,571 views
An object with mass 110 kg moved in outer space. When it was at location < 11, -35, -7 > its speed was 17.5 m/s. A single
1. 0 answers
2. 855 views
The velocity of a ball changes from ‹ 8, −5, 0 › m/s to ‹ 7.88, −5.28, 0 › m/s in 0.04 s, due to the gravitational
1. 2 answers
2. 4,265 views
A 6 kg box with initial speed 5 m/s slides across the floor and comes to a stop after 1.4 s.a.What is the magnitude of the
1. 2 answers
2. 3,108 views
integral: sqrt (16 + 6x − x^2)dx
1. 3 answers
2. 2,766 views
what % of 100 is 150? what is the formula for doing this ? Thanks
1. 1 answer
2. 353 views
Which of the following correctly describes an example of how climate affected the settlement in North America ? A. most of the
1. 5 answers
2. 1,824 views
A user calls the help desk and says she cannot install a Windows application on her Windows 8 computer because she is being
1. 4 answers
2. 1,891 views
Was the city of Constantinople named after the greek city Byzantium? Or was it just built on that former site with a new name?
1. 2 answers
2. 565 views
In the sentence Some only have two legs and some are legless. What would the subject and verb be ?
1. 8 answers
2. 391 views
Complete the table to determine the balance A for $12,000 invested at rate r for t years, compounded continuously. (Round your
1. 0 answers
2. 585 views
Valerie plays a game using the spinner shown. During the game she will spin a total of 36 times.Which is the best prediction for
1. 0 answers
2. 1,205 views
The table shows the results of a spinner with four colored sections. Use the table to answer the question.The spinner is spun 50
1. 2 answers
2. 1,622 views
Three out of 200 machine parts were found to be defective.About how many parts would be expected to be defective out of 2500
1. 1 answer
2. 558 views
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles
1. 1 answer
2. 571 views
a deck of cards contains 6 blue, 7 yellow cards, three red cards, and 5 green cards. what is the theoretical probability of
1. 1 answer
2. 738 views
The fastest car on earth a Thrust SSC would win every NASCAR race in America. If it takes 0.5 hours to travel 380 miles, what is
1. 7 answers
2. 1,395 views
Why can an array of smaller interferometers have a better angular resolution than one large interferometer?
1. 0 answers
2. 412 views
The mass of a golf ball is 45.9g g . If it leaves the tee with a speed of 70.0m/s m/s , what is its corresponding wavelength?
1. 2 answers
2. 856 views
A climber stands on a ledge on one side of a valley. He claps his hands and hears an echo fromthe opposite side of the valley
1. 1 answer
2. 723 views
The planet Jupiter has a satellite, Io, which travels in an orbit of radius 4.220×108 m with a period of 1.77 days. Calculate
1. 0 answers
2. 516 views
Reggie knows the length and width of a rectangle. How can he find the perimeter of the rectangle
1. 1 answer
2. 525 views
A staging that weighs 210 N supports twopainters, one 310 N and the other 440 N. The reading in the left scale is Fℓ = 320 N.
1. 0 answers
2. 678 views
what general statement you make about Babe Didrikson and women athletes?
1. 1 answer
2. 523 views
Heat can be defined as in phy113
1. 0 answers
2. 459 views
What mass of ice is needed to cool 60g of water from 43oC to 20oC
1. 2 answers
2. 1,344 views
An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure.
1. 1 answer
2. 2,216 views
Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as
1. 1 answer
2. 815 views
Four acrobats of mass 83.5 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of
1. 1 answer
2. 688 views
In a recent poll of 2000 households, 29% had pets. How many households did not have pets?
1. 5 answers
2. 559 views
Fabric costs14.00 per yard. If you buy 5 yards or more ,you can get 20% off. how much would 5 yards cost on sale?
1. 2 answers
2. 459 views
how do you do 33 1/3% of 200.oo? the 1/3 is throwing me off. Thank you
1. 2 answers
2. 431 views
Pete saved 24.00 of the 60 .oo dollars he earned. What percentage of his earnings did he save ?
1. 3 answers
2. 408 views
John bought 3 of the same shirt and paid 63.00 after the 30%discount.What was the original price of one of the shirts ? Not sure
1. 3 answers
2. 603 views
how to use a common denominator to write an equivalent fraction for each fraction?
1. 8 answers
2. 4,092 views
I need help on how to use a common denominator to write an equivalent fraction for each fraction?number 1 is 1/2,1/3 and number
1. 1 answer
2. 491 views
A rhombus has diagonals of lenth 12 cm and 7 cm respectively. Find the larger angle of the rhombus
1. 2 answers
2. 2,072 views
A store finds out that 5 out of every 9 customers prefer new extra crunch peanut butter. If the store sells 90,000 jars or
1. 5 answers
2. 570 views
Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent.
1. 6 answers
2. 4,890 views
How many pounds of nails will be needed to fill 100 boxes with 8oz. of nails in each?
1. 5 answers
2. 1,322 views
After falling from rest at a height of 31.5 m, a 0.564 kg ball rebounds upward, reaching a height of 20.2 m. If the contact
1. 0 answers
2. 547 views
The initial velocity of a 1.55 kg block sliding down a frictionless inclined plane is found to be 1.27 m/s. Then 1.07 s later,
1. 1 answer
2. 681 views
Each band member had 12 tickets to sell, Jamie sold 9 of his tickets Matt sold 6 of his tickets. Using fractions find the total
1. 4 answers
2. 514 views
To tighten a bolt, you push with a force of 76N at the end of a wrench handle that is 0.26m from the axis of the bolt.What
1. 1 answer
2. 631 views
A ladder is 2 m long. It leans against a wall so that it is 90 cm from the base of the wall. How far up the wall does the ladder
1. 1 answer
2. 965 views
calculate the percentages by mass of the component element in sodium trioxonitrate(v)
1. 10 answers
2. 4,597 views

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