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Questions (615)

1000(h) = 917(20+h)solve for h :/
1. 1 answer
2. 341 views
what form of symmetry does a equilateral triangle and a round button have?
1. 1 answer
2. 341 views
If the visible part of an ice berg is 50mx50m in area and 20m is above the surface, what is the height, h?I tried using FB=FG
1. 1 answer
2. 342 views
A spherical helium filled balloon is attached to a string that is fixed to the ground. the balloon has a volume of .30/4m^3 and
1. 1 answer
2. 1,018 views
A spherical helium filled balloon is attached to a string that is fixed to the ground. the balloon has a volume of .30/4m^3 and
1. 0 answers
2. 711 views
A spherical helium filled balloon is attached to a string that is fixed to the ground. the balloon has a volume of .30/4m^3 and
1. 3 answers
2. 877 views
An aluminum wire carrying a current of 9.0 A has a cross-sectional area of 7.0X10^-6 m2. Find the drift speed of the electrons
1. 1 answer
2. 606 views
if the visible part of an ice berg is 50mx50m in area and 20m is above the surface, what is the height, h, below the surface?I
1. 2 answers
2. 362 views
A metal sphere is found floating in a pool. The sphere is 1m in diameter. If it is half submerged determine the weight of the
1. 1 answer
2. 537 views
What is the independent variable in this scenario:A research Psychologist is working in a federal prison and is asked to this
1. 6 answers
2. 1,004 views
A cylindrical hockey puck is 1in high and 3in in diameter. What is its volume in cubic inches?
1. 0 answers
2. 405 views
Find the area of a regular pentagon with radius 5in.
1. 0 answers
2. 425 views
The length of each side of a rhombus is 16. The longer diagonal has length 26. Find the measures of the angles of the rhombus to
1. 0 answers
2. 646 views
The altitude to the hypotenuse of a right triangle ABC divides the hypotenuse into 12mm and 16mm segments. Find the lengths of
1. 0 answers
2. 674 views
Find the area of each equilateral triangle.The triangle has 12cm sides. The triangle has 10in altitudes.
1. 1 answer
2. 600 views
The circumference of the ball of string is 415ft and it weighs 13,0000Ib.Which is the best approximation of the volume of the
1. 0 answers
2. 347 views
The circumference of the ball of string is 415ft and it weighs 13,0000Ib.what is the radius of the ball of string to the nearest
1. 1 answer
2. 417 views
Find the missing length.MG=10cm, NP=4cm, QP= 14cm, MN=____cm
1. 0 answers
2. 399 views
The volume of two similar rectangular prisms are 64cm^3 and 1000cm^3. The surface area of the smaller figure is 112cm^2. What is
1. 0 answers
2. 915 views
A lawn chair weighs 8Ib. A child's lawn chair has dimensions exactly one half those of the larger chair. How many pounds does
1. 0 answers
2. 481 views
The slan heights of two similar pyramids are in the ratio 1:5. The volume of the smaller pyramid is 60m^3. What is the volume in
1. 1 answer
2. 718 views
Two similar pyramids have laterl area 8ft^2 and 18ft^2. The volume of the smaller pyramid is 32ft^3. Find the volume of the
1. 0 answers
2. 675 views
A regular pentagonal solid prism has 9cm base edges. A larger, similar solid prism of the same material has 36cm base edges. How
1. 3 answers
2. 4,526 views
Which is the best approximation of the volume of the ball of string?A. 300ft^3 B. 600ft^3 C. 1,200ft^3 D. 2,400ft^3
1. 1 answer
2. 373 views
what is the radius of the ball of string to the nearest tenth of a foot?A. 3.3 B. 6.6 C. 13.2 D. 20.75
1. 1 answer
2. 405 views
find the radius of a sphere withh the given property.A.The number of square meters of a surface area equals the number of cubic
1. 1 answer
2. 562 views
The density of steel is about 0.28Ib/in^3. could you lift a solid steel ball with radius 4in? whith radius 6in? explain
1. 1 answer
2. 399 views
Give the dimensions of a cylinder and a sphere that have the same volume.
1. 1 answer
2. 550 views
On September 3, 1970 a hailstone with diameter 5.6in fell at Coffeyville, Kansas. It weighed about 0.018Ib/in^3 compared to the
1. 2 answers
2. 1,545 views
tell whether each of the following points is inside, outside, or on the sphere. A(o, -3,4)B(-1,-1)C(4,-6,-10).
1. 1 answer
2. 315 views
use pie(3.14) to estimate the surface area and volume of a sphere with radius 3cm.
1. 1 answer
2. 397 views
A 5 foot tall woman stands 15ft from a statue. She must look up at an angle of 60 degrees to see the top of the statue. How tall
1. 2 answers
2. 2,300 views
find the area of a hexagon with radius 6.2m.
1. 1 answer
2. 291 views
find the area of a regular pentagon with radius 5in
1. 1 answer
2. 1,345 views
find the volume of a triangular prisim with a=2.3, c=2 and h=1.5
1. 1 answer
2. 360 views
what shape does a semi circle form when rotated?
1. 1 answer
2. 449 views
what shape does a square form when rotated?
1. 0 answers
2. 284 views
what is the volume of a cylinder with a radius of 1.2 and height of 5.3cm
1. 1 answer
2. 451 views
A plane flying 16 degrees west of north at 289mph is flying in air which is moving 32mph at due west. Find the resulting speed
1. 2 answers
2. 519 views
A regular hexagon with radius 6.2m.
1. 0 answers
2. 338 views
A regular pentagon with radius 5inches.
1. 1 answer
2. 396 views
Explain why sinx degrees= cos(90-x)degrees. include a diagram with your explanation.
1. 1 answer
2. 973 views
A surveyor measuring the tallest tree in a park is 100ft from the tree. His angle-measuring device is 5 ft above the ground. The
1. 1 answer
2. 1,345 views
A family vacationed at a beach 120 mi east and 30 mi south of their home. Find the distance and the direction from their home to
1. 1 answer
2. 567 views
Twenty minutes after being launched, a hot-air balloon has risen to an altitude of 300 m. The pilot can still see the starting
1. 1 answer
2. 844 views
A 5 foot tall woman stands 15 ft from a statue. She must look up at an angle of 60° to see the top of the statue. How tall is
1. 1 answer
2. 2,156 views
I was asked this question for homework but I don't even know where to begin. It has 3 parts to answer.1) add all lone pairs and
1. 1 answer
2. 458 views
I am also having issues for this structure as well.[CH*subscript3*CH*subscript2*C(CH*subscript3*)CH(CH*subscript3*)CHCH*suscript
1. 1 answer
2. 382 views
I am having issues drawing the lewis structure for this...can anyone explain?CHCCH*subscript2*CH0
1. 1 answer
2. 346 views
Can someone check my work?the problem is: x=2+3/y and I have to solve for y I get rid of the denominator y and multiply it with
1. 2 answers
2. 967 views
I am completely lost...please anyone can anyone help?x = 2+y x and 2 are in inches then it says solution y=x(in) - a(in)
1. 1 answer
2. 351 views
Write a program reads the city names and respective gas prices into 2 single-subscripted arrays in your program - one of type
1. 0 answers
2. 666 views
what is the rate of a first-order reaction that has a reactant concentration of 1.1M and a rate constant of 0.14/s?
1. 1 answer
2. 1,206 views
A jar contains 1 blue crayon, 1 green crayon, 1 black crayon, and 1 red crayon. You grab 1 crayon without looking. Find the
1. 0 answers
2. 513 views
Consider the titration of 50 mL of 0.250 M HCl with 0.1250 M NaOH. Calculate the pH of the resulting solution after the
1. 1 answer
2. 667 views
A speaker talking about the benefits of cosmetic surgery to an audience primarily of women is appealing to which level of needs
1. 14 answers
2. 973 views
Which exerts more gravitational force on the baby, Mars or the obstetrician, given that Mars has a mass of 6.4 1023 kg and is 8.
1. 0 answers
2. 661 views
Calculate the force of gravity between a newborn baby of mass 4 kg and the obstetrician of mass 80 kg, who is 0.1 m from the
1. 0 answers
2. 519 views
Calculate the force of gravity between a human child (mass = 38 kg) and the planet Mars (mass = 6.4 1023 kg), when Mars is at
1. 0 answers
2. 403 views
If a salesman sold 2 cars in his first month, 8 cars in his second month, and 32 cars in his third month, using the same
1. 1 answer
2. 474 views
How many moles of H2O are produced when 6 moles of o2 is consumed in burning meyhyl Alchohol
1. 0 answers
2. 498 views
A certain car is capable only of accelerating at 3.0m/s 2 , braking (decelerating) at 5.0m/s 2 , and moving at constant
1. 1 answer
2. 971 views
How many grams of Ni would be electroplated if a constant current of 7.2 amperes is passed through a solution of NiSO4 for 90.0
1. 3 answers
2. 8,920 views
Normal price of mini-scooters are $120 per scooters, ABC estimates 400,000 scooters to be sold for Year 2013.Material costs are
1. 0 answers
2. 408 views
Normal price of mini-scooters are $120 per scooters, ABC estimates 400,000 scooters to be sold for Year 2013.Material costs are
1. 0 answers
2. 416 views
What would the gravitational potential energy be if the bucket were raised six times as high?
1. 1 answer
2. 359 views
If you do 110 J of work to elevate a bucket of water, how much energy did you add to the gravitational field?
1. 0 answers
2. 439 views
A boulder is raised above the ground so that the gravitational potential energy relative to the ground is 360 J. Then it is
1. 0 answers
2. 519 views
Calculate the work done when a 18 N force pushes a cart 2.5 m.
1. 0 answers
2. 409 views
What is the pH of a 0.77M solution of methylamin at 25 degree C? CH3NH2, Kb= 4.4X10-4?How do I set this up to get the answer?
1. 1 answer
2. 446 views
find the first 3 terms in the expansion of (x+4)(1+3x)^-2 as a series in ascending powers.I expanded the second bracket using
1. 1 answer
2. 860 views
X= log base 3 1/27
1. 2 answers
2. 2,002 views
What is the momentum of a 50 kg carton that slides at 2 m/s across an icy surface?The sliding carton skids onto a rough surface
1. 1 answer
2. 1,788 views
A car with a mass of 700 kg moves at 18 m/s. What braking force is needed to bring the car to a halt in 10 s?
1. 1 answer
2. 524 views
In terms of impulse and momentum, why are airbags in automobiles a good idea?A.)Airbags actually do not help if a car is in an
1. 0 answers
2. 762 views
The eggplant ave. bus passes max's house every 8 mins. the cabb creek bus passes it every 12 mins. the last they passed by
1. 5 answers
2. 1,089 views
Chromatography relies on the differences in polarity between the compound, the mobile phase and the stationary phase. In your
1. 1 answer
2. 522 views
If the car has a mass of 0.4 kg, the ratio of height to width of the ramp is 13/125, the initial displacement is 1.9 m, and the
1. 2 answers
2. 654 views
the total mass-energy of one pound of anything is about how many joules
1. 1 answer
2. 1,010 views
Test Axioms, What are the diagonals of a rectangle?
1. 0 answers
2. 324 views
negative exponents 16^-3/4?
1. 1 answer
2. 295 views
Rational exponents 8^2/3?
1. 1 answer
2. 627 views
A baseball is dropped from a tall building and takes 4.1 seconds to hit the ground. From what height was the ball dropped?
1. 2 answers
2. 1,024 views
I asked this yesterday but I was told my answer was incorrect by my professor.ln x^5 - ln x^2 = 3 solve for the unknown. I have
1. 1 answer
2. 480 views
Thank you STEVE!!!!!Suppose that Cos (theta) = 1/square root 2 if 0<equal to theta , pi/2 then sin(theta) = tan (theta) = If
1. 1 answer
2. 1,061 views
lnx^5 - lnx^2 = 3 solve for the unknowns as a list.I tried using my calculator but apparently my answer is opposite ends of the
1. 1 answer
2. 583 views
The supply office for a large construction firm has three welding units of Brand A and three welding units that are not Brand A
1. 0 answers
2. 532 views
Convert the equation y=5 to polar form.
1. 2 answers
2. 448 views
Michaels car has a 18.0 gallon tank. If the tank has 5.5 gallons what fraction of the tank is full?
1. 3 answers
2. 699 views
Prove or disprove the following identity.cos(-x) - sin(-x) = cos(x) + sin(x)
1. 1 answer
2. 443 views
rewrite the following expression as an algebraic expression in x: cos(arcsin x)I have made X to be X/1 but from there I am lost.
1. 1 answer
2. 864 views
what is the arccos(2)?I have tried to use the unit circle but I do not understand this :/.
1. 1 answer
2. 326 views
5p+2q=37p+2q=11
1. 1 answer
2. 189 views
I am having a hard time with economics - we just started in my social studies class. Can I have help with my homework, please?1.
1. 10 answers
2. 1,831 views
After a reflection over the x-axis I have to find the coordinates of A1, B1, C1I am having trouble with b1. A(1,4) B(3,-2)
1. 2 answers
2. 706 views
Oh now I see your point. I am sorry I should have stated this before. How do I verify that tan^2(theta)/Sec(theta)-1 is somehow
1. 1 answer
2. 358 views
1+ cos(theta)/Cos(theta) = tan^2(theta)/sec(theta)-1I am having trouble understanding how this is verified by the previous
1. 1 answer
2. 480 views
I have been trying to verify the below identity. I have been at it for hours, can anyone please help?1+ cos(theta)/Cos(theta) =
1. 1 answer
2. 442 views
What force do the blades of a 4200 kg helicopter exert on the air when the helicopter is dropping at 23 m/s with speed
1. 0 answers
2. 1,198 views
What is the volume in cubic feet, of a box that is 3ft long, 8th wide, and 16ft high?
1. 4 answers
2. 732 views

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