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Questions (105)

A runner is jogging at a steady 1 km/hr.When the runner is 0.88 km from the finish line a bird begins flying from the runner to
1. 2 answers
2. 476 views
if sin x =0.5 what values satisfy this equation in the range -180<=x<=180
1. 2 answers
2. 525 views
What is the rms speed of Cl2 molecules at 335 K?
1. 1 answer
2. 1,810 views
a slingshot launches a rock straight upward at 25 m/s, how high does the rock go, how long is it in the air, what is the
1. 1 answer
2. 635 views
a greyhound is capable of running at 40 mph, how many meters could the greyhound run in 3 minutes at this speed, how many
1. 1 answer
2. 470 views
a boy uses a slingshot to launch a rock with a velocity of 30m/s how long does it take it to reach a height of 20m,what maximum
1. 1 answer
2. 683 views
the required takeoff speed for a large airplane is 180mi/hr(80m/s)the plane is capable of accelerating at a rate of 4m/s^2
1. 1 answer
2. 643 views
In which of the following are 1/2,5/6, and 5/8 arranged in ascending order?
1. 2 answers
2. 1,335 views
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real
1. 5 answers
2. 712 views
how to explain to my son write doubles fact you can use to find the sum.Write the sum 2+3=
1. 0 answers
2. 495 views
A body is projected at an angle of 30degree to the horizontal with a velocity of 150metre per seconds.Calculate the time it
1. 3 answers
2. 1,977 views
A can of oil is 8 inches high and 8 inches in diameter. What is the approximate volume of the can?
1. 2 answers
2. 886 views
Why does Zara have a good driving record?
1. 7 answers
2. 2,141 views
Needing help setting up equation.if 1/4 of inch is equal to one foot of actual size dimension,determine the length represented
1. 1 answer
2. 495 views
The Bean Company makes a sale with an invoice price of $97,000 on 10/1/14. The note is due on 10/1/17. There is no interest rate
1. 0 answers
2. 512 views
in a group of 180 person composed of men, women and children there are twice as many men as women and three times as many women
1. 1 answer
2. 1,005 views
Jason took 3/4 of an hour to paint 27 1/3 square yards. How many square yards does he paint per hour?
1. 0 answers
2. 366 views
A bullet is fired through a wooden board with a thickness of 8.0 cm. The bullet hits the board perpendicular to it, and with a
1. 1 answer
2. 1,004 views
12.5= 3/khow do u solve k?
1. 1 answer
2. 404 views
A test designed to check for sickle-cell anemia has an 85% chance of detection in that, if a person has the disease, there is an
1. 0 answers
2. 696 views
A laptop computer manufacturer found that by improving their battery design, they could increase the time that the laptop
1. 1 answer
2. 664 views
Five coins all balanced the same were tossed 150 times. Note that, while the coins are all balanced the same, they may or may
1. 0 answers
2. 1,268 views
Which of the following statements is correct?A. An extremely small p-value indicates that the actual data differs markedly from
1. 1 answer
2. 1,843 views
Three times as many childeren as adults attended a concert on Saturday. An adult ticket is $7 and a child's ticket is $3. The
1. 1 answer
2. 530 views
If a metal wire carries a current of 79. 0 mA, how long does it take for 7.90 × 10 20 electrons to pass a given cross-sectional
1. 1 answer
2. 690 views
Consider a pendulum of length 4.720 m.The acceleration of gravity is 9 . 832 m / s 2 . a) What is its period at the North Pole?
1. 1 answer
2. 566 views
A steam engine’s boiler completely converts151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as
1. 0 answers
2. 683 views
A person takes in a breath of 27�C air andholds it until it warms to 36.5�C. The air has an initial volume of 0.39 L and a mass
1. 0 answers
2. 511 views
A block starts at rest and slides down a fric-tionless track. The acceleration of gravity is 9.81 m/s2 . It leaves the track
1. 0 answers
2. 932 views
A flight attendant pulls her 74.2 N flight baga distance of 324 m along a level airport floor at a constant velocity. The force
1. 3 answers
2. 2,419 views
A 42.1 kg diver steps off a diving board anddrops straight down into the water. The water provides an average net force of
1. 1 answer
2. 683 views
Calculate the speed of an 7.6×104 kg airlinerwith a kinetic energy of 1.2 × 109 J. Answer in units of m/s
1. 1 answer
2. 3,072 views
A student moves a box of books down the hallby pulling on a rope attached to the box. The student pulls with a force of 173 N at
1. 2 answers
2. 1,949 views
Consider the 57 N weight held by two cablesshown below. The left-hand cable is horizon- tal. 57 N 52� a) What is the tension in
1. 1 answer
2. 2,789 views
A 2.67 kg block starts from rest at the top of a27.6� incline and accelerates uniformly down the incline, moving 2.89 m in 2.45
1. 0 answers
2. 513 views
A 31 kg box slides down a 33.0� ramp with an acceleration of 1.30 m/s2.The acceleration of gravity is 9.81 m/s2 . Find the
1. 0 answers
2. 552 views
A 1.6 kg otter starts from rest at the top of amuddy incline 95.9 cm long and slides down to the bottom in 0.50 s. What net
1. 0 answers
2. 971 views
A shopper in a supermarket pushes a loaded32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 .
1. 1 answer
2. 991 views
A freight train has a mass of 3.1 × 107 kg.If the locomotive can exert a constant pull of 4.9 × 105 N, how long would it take
1. 1 answer
2. 1,148 views
Salmon often jump waterfalls to reach theirbreeding grounds. Starting 1.77 m from a waterfall 0.253 m in height, at what minimum
1. 1 answer
2. 1,534 views
A basketball player 1.9 m tall wants tomake a basket from a distance of 7.8 m. The hoop is at a height of 3.05 m.If he shoots
1. 0 answers
2. 500 views
if an airplane is traveling at 245 meters per second, how many kilometers per second does it travel?
1. 2 answers
2. 871 views
We did not find results for: Please help me do this problem: I need to write an expression for the cost of an ice cream cone and
1. 1 answer
2. 446 views
factor4a cubed+44a squared+120a
1. 1 answer
2. 361 views
find the product(2a+1) cubed
1. 0 answers
2. 318 views
What grammatical structure is the italicized portion of the sentence?My most valuable coin, one from Spain, is worth more than
1. 13 answers
2. 1,604 views
If a sum of money is deposited in a savings account that is paying x percent annual interest the this sum of money increases by
1. 0 answers
2. 438 views
Multiply(3a+1)cubed
1. 1 answer
2. 339 views
Use a net to find the length and width of a single sheet of paper that could be used to wrap the entire gift box. l = 6 in w = 4
1. 0 answers
2. 678 views
find volume of the figure. Type in exponential expression.2 2x 4 3 4x 4x shape is a retangle
1. 1 answer
2. 445 views
an investor invested a total of 1,600 in 2 mutual funds.One fund earned a 6% profit while the other earned a 2% profit. If the
1. 3 answers
2. 1,315 views
use elimination method to solve.A+6b=14 A+2b=2 does it have (a)one solution (b)Infin. many sol (c)no solution
1. 2 answers
2. 477 views
use method of substitution to solve the system of linear equations.2x-y=3 9x-4y=14 is the solution an ordered pair(,)
1. 2 answers
2. 1,086 views
tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a
1. 2 answers
2. 2,743 views
method of substitutionthe perimeter of some traffic sigh must be 126 inches. Also its length is 11 inches longer than its width.
1. 1 answer
2. 482 views
use method of substitution to solve the system of linear equation3x+4y=3/2 y=2x-1
1. 1 answer
2. 1,040 views
what is the entry when we get a gift of $100,000 for cancer research only with the investments earnings also limited to cancer
1. 0 answers
2. 455 views
area of triangle with base of 1 3/4 and height of 4/5
1. 1 answer
2. 407 views
Name three values of theta that would result in y equal to cot times theta being undefined.
1. 1 answer
2. 608 views
What reaction would you get from francium and water in outer space and what if you added hydrogen to the experiment as far as
1. 1 answer
2. 421 views
if 4.4 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?
1. 1 answer
2. 2,686 views
A metal sphere has a charge of +6.4 C. What is the net charge after 4.1 x 1013 electrons have been placed on it?
1. 0 answers
2. 809 views
what does division mean?
1. 1 answer
2. 395 views
what units are used when talking about area?
1. 2 answers
2. 906 views
what is the math term with the letters enitmelgens unscrambled
1. 0 answers
2. 500 views
What is the average (arithmetic mean) value of the integers from -50 to 50, inclusive?a. -51/2 b. -25 c. 0 d. 25 e. 51/2
1. 3 answers
2. 960 views
if x = 6 + y and y = -z/3, what does x equal in terms of z?a. 3(6+z) b. 3(z-6) c. 6-z/3 d. z/3-6 e. 6+z/3
1. 2 answers
2. 296 views
Daphne ran a distance of 180 feet. Peter ran a distance of 15 yards. What is the ratio of the distance Daphne ran to the
1. 1 answer
2. 441 views
thanks anyone!A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20
1. 1 answer
2. 585 views
Can anyone help me to solve this, please?A right prism has a polygonal base with n sides. Each side has a length of 5 in. The
1. 1 answer
2. 589 views
find the acceleration of a 3 kg mass as it moves with a constant speed of 4 m/s along a circle of radius 2 m.
1. 1 answer
2. 928 views
find the bouyant force on a copper obect that displaces 2.8 meters cubed of water
1. 1 answer
2. 328 views
How do I mind out the value of this 5 oz, chunk of silver
1. 0 answers
2. 413 views
solve square root of 72x to 3 power divided by 8x
1. 1 answer
2. 453 views
what is the critical value of this statistic z=1.64 at 0.05 significance?
1. 1 answer
2. 385 views
what is the critical value of this statistic at 0.05 significance.....z=1.64
1. 0 answers
2. 453 views
use n equals 22 over 7 find the area of a circle with a radius of 7
1. 1 answer
2. 830 views
can anyone help me one this4x(x-4)-5x(x-3)=0 solve for x
1. 1 answer
2. 289 views
how is the best way to create a celtic artefact from an everyday object
1. 2 answers
2. 446 views
simplify by factoringsqrt1575to the 4th sorry not sure how to type it out right
1. 2 answers
2. 385 views
help solve �ã18+�ã32=
1. 4 answers
2. 762 views
You work for the silver there is a home with a driveway 2 miles long extending to the house from a nearby highway. the nearest
1. 0 answers
2. 584 views
Stacy multiplied 5x9 and said the answer was 44. What two patterns could you use to show that her answer is not correct? ...
1. 1 answer
2. 391 views
2 regular hexagonal prisms are similar. The areas of their bases are 25 and 18. The height of th larger prism is 10. What is the
1. 1 answer
2. 525 views
The force of gravity is inversely proportional to the square of the center of the earth. if you weigh 120 lbs on the surface of
1. 2 answers
2. 765 views
Rectangle ABCD is 12 inches long and has a perimeter of 54 inches. Rectangle LMNO is similar to rectangle ABCD and is 2.4 feet
1. 1 answer
2. 590 views
need help w the human experience assignment
1. 1 answer
2. 382 views
Suppose that a department contains 8 men and 20 women. How many ways are there to form a committee with 6 members if it must
1. 1 answer
2. 615 views
An unbanked curve has a radius of curvature of 75m. On a winter day, with snow on the road, the coefficient of static friction
1. 0 answers
2. 540 views
An unbanked curve has a radius of curvature of 75m. On a winter day, with snow on the road, the coefficient of static friction
1. 0 answers
2. 482 views
I have 6 tens and less than 5 ones. What number am I?
1. 2 answers
2. 341 views
A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the
1. 1 answer
2. 1,013 views
Use factoring to solve the equation.(x+6)(x+5)=2
1. 2 answers
2. 449 views
Block A & B slide on lubricated surfaces for which friction is .1. knowing that the system is released from rest, determine the
1. 0 answers
2. 1,066 views
Find an approximation for �ã11 rounded to the nearest thousandth.
1. 1 answer
2. 547 views
In an article about the financial problems of USE Today, Newsweek reported that the paper was losing about $20 million a year. A
1. 0 answers
2. 911 views
A crate on a floor has an applied force 15 degrees below horizontal of 952N The crate moves with constant velocity. The
1. 1 answer
2. 560 views
A car on a roller coaster has a mass of 9528 kg. The car is dragged up the main hill at an angle of 38 degrees ( above
1. 1 answer
2. 457 views
give examples of normal and inferior goods---> what are the similarities and the differences between the 2 groups?
1. 1 answer
2. 1,004 views
5>4b+9>17- -
1. 0 answers
2. 323 views

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