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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
3 answers
425 views
if sin x =0.5 what values satisfy this equation in the range -180<=x<=180
3 answers
490 views
What is the rms speed of Cl2 molecules at 335 K?
3 answers
1,777 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
2 answers
594 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 answer
438 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
2 answers
650 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
2 answers
595 views
In which of the following are 1/2,5/6, and 5/8 arranged in ascending order?
4 answers
1,305 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
6 answers
671 views
how to explain to my son write doubles fact you can use to find the sum.Write the sum 2+3=
1 answer
464 views
A body is projected at an angle of 30degree to the horizontal with a velocity of 150metre per seconds.Calculate the time it
4 answers
1,927 views
A can of oil is 8 inches high and 8 inches in diameter. What is the approximate volume of the can?
3 answers
858 views
Why does Zara have a good driving record?
7 answers
2,085 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 answer
465 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 answer
488 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
2 answers
956 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 answer
344 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
2 answers
953 views
12.5= 3/k
how do u solve k?
1 answer
377 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
2 answers
654 views
A laptop computer manufacturer found that by improving their battery design, they could increase the time that the laptop
2 answers
622 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 answer
1,208 views
Which of the following statements is correct?
A. An extremely small p-value indicates that the actual data differs markedly from
3 answers
1,795 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 answer
504 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
2 answers
651 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?
2 answers
527 views
A steam engine’s boiler completely converts
151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as
2 answers
647 views
A person takes in a breath of 27�C air and
holds it until it warms to 36.5�C. The air has an initial volume of 0.39 L and a mass
1 answer
481 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 answer
901 views
A flight attendant pulls her 74.2 N flight bag
a distance of 324 m along a level airport floor at a constant velocity. The force
4 answers
2,361 views
A 42.1 kg diver steps off a diving board and
drops straight down into the water. The water provides an average net force of
2 answers
644 views
Calculate the speed of an 7.6×104 kg airliner
with a kinetic energy of 1.2 × 109 J. Answer in units of m/s
3 answers
3,032 views
A student moves a box of books down the hall
by pulling on a rope attached to the box. The student pulls with a force of 173 N at
4 answers
1,910 views
Consider the 57 N weight held by two cables
shown below. The left-hand cable is horizon- tal. 57 N 52� a) What is the tension in
4 answers
2,740 views
A 2.67 kg block starts from rest at the top of a
27.6� incline and accelerates uniformly down the incline, moving 2.89 m in 2.45
1 answer
474 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 answer
500 views
A 1.6 kg otter starts from rest at the top of a
muddy incline 95.9 cm long and slides down to the bottom in 0.50 s. What net
1 answer
940 views
A shopper in a supermarket pushes a loaded
32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 .
3 answers
964 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
2 answers
1,119 views
Salmon often jump waterfalls to reach their
breeding grounds. Starting 1.77 m from a waterfall 0.253 m in height, at what minimum
3 answers
1,501 views
A basketball player 1.9 m tall wants to
make a basket from a distance of 7.8 m. The hoop is at a height of 3.05 m.If he shoots
1 answer
466 views
if an airplane is traveling at 245 meters per second, how many kilometers per second does it travel?
3 answers
837 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 answer
421 views
factor
4a cubed+44a squared+120a
1 answer
342 views
find the product
(2a+1) cubed
1 answer
296 views
What grammatical structure is the italicized portion of the sentence?
My most valuable coin, one from Spain, is worth more than
13 answers
1,555 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 answer
402 views
Multiply
(3a+1)cubed
1 answer
325 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 answer
645 views
find volume of the figure. Type in exponential expression.
2 2x 4 3 4x 4x shape is a retangle
1 answer
416 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
4 answers
1,266 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
3 answers
448 views
use method of substitution to solve the system of linear equations.
2x-y=3 9x-4y=14 is the solution an ordered pair(,)
3 answers
1,048 views
tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a
5 answers
2,682 views
method of substitution
the perimeter of some traffic sigh must be 126 inches. Also its length is 11 inches longer than its width.
1 answer
455 views
use method of substitution to solve the system of linear equation
3x+4y=3/2 y=2x-1
2 answers
1,008 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 answer
419 views
area of triangle with base of 1 3/4 and height of 4/5
1 answer
388 views
Name three values of theta that would result in y equal to cot times theta being undefined.
2 answers
569 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 answer
393 views
if 4.4 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?
3 answers
2,660 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 answer
772 views
what does division mean?
1 answer
369 views
what units are used when talking about area?
3 answers
881 views
what is the math term with the letters enitmelgens unscrambled
1 answer
476 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
4 answers
929 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
3 answers
271 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 answer
414 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
3 answers
540 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
2 answers
539 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.
2 answers
897 views
find the bouyant force on a copper obect that displaces 2.8 meters cubed of water
1 answer
300 views
How do I mind out the value of this 5 oz, chunk of silver
1 answer
377 views
solve square root of 72x to 3 power divided by 8x
1 answer
432 views
what is the critical value of this statistic z=1.64 at 0.05 significance?
1 answer
354 views
what is the critical value of this statistic at 0.05 significance.....z=1.64
1 answer
426 views
use n equals 22 over 7 find the area of a circle with a radius of 7
2 answers
802 views
can anyone help me one this
4x(x-4)-5x(x-3)=0 solve for x
1 answer
263 views
how is the best way to create a celtic artefact from an everyday object
3 answers
419 views
simplify by factoring
sqrt1575to the 4th sorry not sure how to type it out right
3 answers
358 views
help solve �ã18+�ã32=
5 answers
715 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 answer
552 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 answer
365 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 answer
492 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
3 answers
717 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
2 answers
541 views
need help w the human experience assignment
1 answer
355 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
2 answers
581 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 answer
483 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 answer
455 views
I have 6 tens and less than 5 ones. What number am I?
3 answers
320 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
2 answers
981 views
Use factoring to solve the equation.
(x+6)(x+5)=2
3 answers
423 views
Block A & B slide on lubricated surfaces for which friction is .1. knowing that the system is released from rest, determine the
1 answer
1,032 views
Find an approximation for �ã11 rounded to the nearest thousandth.
1 answer
497 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 answer
883 views
A crate on a floor has an applied force 15 degrees below horizontal of 952N The crate moves with constant velocity. The
1 answer
521 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 answer
428 views
give examples of normal and inferior goods---> what are the similarities and the differences between the 2 groups?
2 answers
974 views
5>4b+9>17
- -
1 answer
303 views
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