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A hospital nursery has 3 boys and some girls. A child was selected at random what is the probability that the child is a boy?
1. 0 answers
2. 346 views
The region in the first quadrant bounded by y=6x^2 , 2x+y=8, and the y-axis is rotated about the line x=-1.The volume of the
1. 3 answers
2. 2,431 views
Find the area of the region in the first quadrant between the curves y=x^8, and y=2x^2-x^4
1. 1 answer
2. 406 views
What is the algebraic expression for the following word phrase: the product of 4 and x.A: 4+x B: 4x C: 4-x D: 4/x I think it's
1. 1 answer
2. 761 views
A ship is heading north at 15km/h in a tide moving at 6km/h westward. Determine the magnitude and direction of the resultant
1. 1 answer
2. 455 views
The federal government sets requirements that all public schools must follow, while state governments set standards listing what
1. 1 answer
2. 961 views
When Alabama's governor refused to end the policy of segregation in public universities, he invoked which common argument for
1. 14 answers
2. 4,267 views
A woman is asked to serve on a jury. Instead of hearing two sides of the case, she only hears from the prosecutors, who ask the
1. 2 answers
2. 1,480 views
Describe the Texans’ actions—how Texas came to exist. (America - Mexico war)
1. 2 answers
2. 1,485 views
Find the biggest value of c that satisfy the Mean Value Theorem for integrals forf(x)= 1/(x+1)^6 on the interval [0,7]
1. 1 answer
2. 634 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 1 answer
2. 942 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 0 answers
2. 789 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 0 answers
2. 1,190 views
Use Stokes' Theorem to evaluateC F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = yzi + 9xzj +
1. 0 answers
2. 943 views
A particle moves along line segments from the origin to the points (3, 0, 0), (3, 3, 1), (0, 3, 1), and back to the origin under
1. 2 answers
2. 1,504 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 0 answers
2. 842 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 1 answer
2. 1,377 views
Evaluate the surface integralS F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
1. 0 answers
2. 932 views
Use Stokes' Theorem to evaluateC F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = xyi + 5zj +
1. 0 answers
2. 671 views
The radius of a conical tank is 2.7 meters and the height of the tank is 4.3 meters. Water is flowing into the tank at a
1. 1 answer
2. 558 views
Use Stokes' Theorem to evaluateC F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = xyi + 5zj +
1. 0 answers
2. 885 views
Use Stokes' Theorem to evaluate Scurl F · dS. F(x, y, z) = x2z2i + y2z2j + xyzk, S is the part of the paraboloid z = x2 + y2
1. 0 answers
2. 1,085 views
Find the absolute maximum of the function f(x,y) = x^2 + 4y on the set of points (x,y) that satisfy x^2 + y^2 < or = to 25. I
1. 1 answer
2. 467 views
When added the square root of 25 and -9 which type of number is the sum?
1. 15 answers
2. 3,917 views
A rectangle is dilated using a scale factor of 6. The image is then dilated using a scale factor of 1/3. What scale factor could
1. 2 answers
2. 5,577 views
Find the buoyant force on a helium balloon in air (Standard Pressure and Temperature) if the balloon is spherical with diameter
1. 4 answers
2. 660 views
A merry-go-round can be modeled as a disk with radius 2.5 meters and mass of 150 kg. For this problem, assume the density is
1. 1 answer
2. 822 views
Find the escape speed from (a) the Sun, (b) a white dwarf star with one solar mass (same as the Sun) and radius 10,000 km, (c) a
1. 0 answers
2. 496 views
A uniform bar of mass 12 kg and length 1.4 m is held by a hinge on a vertical wall. A string is attached to the end so that the
1. 1 answer
2. 1,331 views
Consider F and C below.F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 15z2 k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find
1. 1 answer
2. 2,684 views
Vesta, a minor planet in the Asteriod Belt between Mars and Jupiter, has a mean radius of 525 km and mass of 2.59 X 10^20 kg.
1. 1 answer
2. 507 views
Vesta, a minor planet in the Asteriod Belt between Mars and Jupiter, has a mean radius of 525 km and mass of 2.59 X 10^20 kg.
1. 1 answer
2. 460 views
Vesta, a minor planet in the Asteriod Belt between Mars and Jupiter, has a mean radius of 525 km and mass of 2.59 X 10^20 kg.
1. 1 answer
2. 523 views
which statement correctly contrast the Lancaster turnpike with the national road1. the Lancaster turnpike was a longer road 2.
1. 11 answers
2. 5,003 views
Express the volume of the solid that the cylinder r = 4cos(theta) cuts out of the sphere of radius 4 centered at the origin with
1. 1 answer
2. 2,489 views
Find the work done by the force fieldF(x, y, z) = y + z, x + z, x + y on a particle that moves along the line segment from (1,
1. 0 answers
2. 420 views
Evaluate the line integral, where C is the given curve.C y^3 ds, C: x = t^3, y = t, 0 ≤ t ≤ 2
1. 0 answers
2. 386 views
Evaluate the line integral, where C is the given curve.C z dx + x dy + y dz, C: x = t^4, y = t^5, z = t^4, 0 ≤ t ≤ 1
1. 0 answers
2. 419 views
Use a triple integral to find the volume of the given solid.The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y +
1. 0 answers
2. 476 views
Use a triple integral to find the volume of the given solid.The tetrahedron enclosed by the coordinate planes and the plane 8x +
1. 0 answers
2. 530 views
Find center of mass of the lamina that occupies the region D and has the given density function ρ.D is the triangular region
1. 0 answers
2. 564 views
Use a triple integral to find the volume of the given solid.The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y +
1. 0 answers
2. 538 views
Use a triple integral to find the volume of the given solid.The tetrahedron enclosed by the coordinate planes and the plane 8x +
1. 0 answers
2. 579 views
Find the mass and center of mass of the solid E with the given density function ρ.E is bounded by the parabolic cylinder z = 1
1. 0 answers
2. 646 views
Use a triple integral to find the volume of the given solid.The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y +
1. 1 answer
2. 495 views
Use a triple integral to find the volume of the given solid.The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y +
1. 0 answers
2. 530 views
Use a triple integral to find the volume of the given solid.The tetrahedron enclosed by the coordinate planes and the plane 8x +
1. 0 answers
2. 682 views
Evaluate the triple integral.SSS(triple integral T 3x^2 dV where T is the solid tetrahedron with vertices (0, 0, 0), (1, 0, 0),
1. 0 answers
2. 497 views
Evaluate the following integral using three different orders of integration.*triple integral E (xz − y3) dV, where E = (x, y,
1. 0 answers
2. 645 views
Find the mass and center of mass of the lamina that occupies the region D and has the given density function ρ.D is the
1. 1 answer
2. 631 views
What volume of benzene (C6H6, d= 0.88g/ml, molar mass= 78.11g/mol) is required to produce 1.5x10^3 kJ of heat according to the
1. 2 answers
2. 1,054 views
A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is
1. 1 answer
2. 2,417 views
You are in an elevator that is accelerating upwards at 2m/s^2. If your mass is 70kg, what is the normal force pushing on you by
1. 1 answer
2. 739 views
A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is
1. 1 answer
2. 2,405 views
Multiple Choice. If all of the forces acting on an object an object are balanced (net force is zero), then:a. The object's speed
1. 1 answer
2. 701 views
Why is the joule-second (J*s) equivalent to kg*m^2/s ?
1. 1 answer
2. 352 views
Why did the Western Roman Empire fall?Thank you for helping me!
1. 4 answers
2. 1,132 views
How might Greece's psychical features have affected the development of Greek trade, culture, and legacy?Thank you for the help
1. 9 answers
2. 942 views
______Introduced Europeans to Muslim inventions, such as the astrolabe that helped sailors navigate the seas.A) The Crusades(I
1. 3 answers
2. 506 views
Evaluate the integral by reversing the order of integration.(2 integrals) 0 to 8 cube root(y) to 2 8e^(x^4) dx dy
1. 1 answer
2. 1,195 views
Evaluate the integral by reversing the order of integration.(2 integrations) 0 to 1 sqrt(x) to 1 8(y^3+1) dy dx
1. 1 answer
2. 708 views
Evaluate the integral by reversing the order of integration.(2 integrals)0 to 4 5ex2 dx dy 3y to 12
1. 1 answer
2. 961 views
Find the volume of the solid under the plane 3x + 3y − z = 0 and above the region bounded by y = x and y = x^4
1. 2 answers
2. 793 views
Find the volume of the given solid.Under the surface z = 7xy and above the triangle with vertices (1, 1), (4, 1), and (1, 2)
1. 2 answers
2. 2,005 views
A cart with a mass of 5.35 kg is placed on a frictionless ramp at an angle of 14.2. The cart is released and rolls down the
1. 1 answer
2. 549 views
I am trying to create a program that displays shipping charges for two region codes. The region code has to have exactly 3
1. 2 answers
2. 782 views
A 300kg bobsled starts down an icy slope inclined at 12 degrees. There is some friction between the bobsled and the slope. If
1. 1 answer
2. 533 views
A 300kg bobsled starts down an icy slope inclined at 12 degrees. There is some friction between the bobsled and the slope. Write
1. 1 answer
2. 547 views
Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and
1. 1 answer
2. 2,743 views
A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.868 m (2.85 ft) by the time it reaches
1. 1 answer
2. 3,018 views
Give a real-world scenario in which you would write an inequality rather than an equation.I was thinking, Jack has to bring at
1. 2 answers
2. 778 views
1. Convert the 5th root of x^3 into a rational expression.2. Solve i^63 I don't know how to solve these so please help me!!!
1. 5 answers
2. 1,899 views
Plastic drinking straws are manufactured to fit into drinks cartons which have a hole in the top. A straw fits into the hole if
1. 4 answers
2. 1,316 views
Find the velocity and position vectors of a particle that has the given acceleration and the given initial velocity and
1. 1 answer
2. 4,494 views
Find the tangential and normal components of the acceleration vector.r(t) = t i + t2 j + 4t k aT= aN=
1. 1 answer
2. 626 views
The curvesr1(t) = 5t, t^2, t^4 & r2(t) =sin t, sin 4t, 3t intersect at the origin. Find their angle of intersection, θ, correct
1. 1 answer
2. 1,268 views
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point.x = 5 ln
1. 1 answer
2. 871 views
A curve is such that dy/dx = 2- 8(3x+4)^-1/2- A point P moves along the curve in such a way that the x-coordinates is increasing
1. 1 answer
2. 2,843 views
a) Find parametric equations for the line through (4, 1, 4) that is perpendicular to the plane x − y + 2z = 7. (Use the
1. 1 answer
2. 931 views
Consider the following planes.5x − 4y + z = 1, 4x + y − 5z = 5 a) Find parametric equations for the line of intersection of
1. 1 answer
2. 4,354 views
Find (a cross b)dot product a? & Find the cross product(a × b) dot product b?a = 1, 1, −1 b = 4, 8, 10
1. 1 answer
2. 379 views
I can not seem to get this rightFind an equation of a sphere if one of its diameters has endpoints (5, 5, 5) and (7, 7, 7).
1. 1 answer
2. 576 views
A man buys a house for $310,000. He makes a $150,000 down payment and amortizes the rest of the debt with semiannual payments
1. 3 answers
2. 1,177 views
A $20,000 loan is to be amortized for 10 years with quarterly payments of $763.55. If the interest rate is 9%, compounded
1. 1 answer
2. 847 views
Suppose an individual makes an initial investment of $1100 in an account that earns 7.3%, compounded monthly, and makes
1. 1 answer
2. 841 views
Suppose you are offered a job with a relatively low starting salary but with a $2000 raise for each of the next 9 years. How
1. 1 answer
2. 1,761 views
A student has a savings account earning 6% simple interest. She must pay $1650 for first-semester tuition by September 1 and
1. 0 answers
2. 610 views
(a) To buy a Treasury bill (T-bill) that matures to $10,000 in 12 months, you must pay $9700. What rate does this earn?(b) If
1. 1 answer
2. 2,813 views
Does the series converge or diverge? Use the Root test((1/n)-(1/n^2))^n
1. 0 answers
2. 441 views
Does the series converge?Explain please 1/(ln 2)^n from n=1 to infinity
1. 1 answer
2. 402 views
Does the series converge or diverge(-1)^n * 4n^3 _______________(fraction) n^4 + 1 from n=1 to infinity
1. 1 answer
2. 445 views
does an=(-1)^n converge? Explain
1. 1 answer
2. 317 views
A guitar string is 108 cm long and has a mass of 2.90 g. From the bridge to the support post (L) is 70 cm, and the string is
1. 1 answer
2. 556 views
Two identical loudspeakers are some distance apart. A person stands 5.70 m from one speaker and 3.00 m from the other. What is
1. 0 answers
2. 842 views
A bus leaves a station at 10am and averages 60 mph. Another bus, traveling at 75 mph, leaves the same station 30 mins later
1. 3 answers
2. 810 views
Make four 8s equal 8
1. 1 answer
2. 294 views
At 3 pm ship A is 20 nautical miles south west of ship B. Assuming that the y- direction is north and the x-direction is east,
1. 0 answers
2. 524 views
A water balloon launcher launches a balloon straight up at a flying kite. If the kite is hovering 75.0 meters off the ground,
1. 1 answer
2. 872 views
Consider the compounds 4-tert-butylcyclohexanol and 4-tert-butylcyclohexanone. Using silica gel plates, which of the two
1. 0 answers
2. 1,095 views
Which ordered pair is not a solution of y= -4x -9A(-9,27) B(3,-21) C(-6,15) D(5,-28) I have no idea how to do this help please
1. 1 answer
2. 429 views

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