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Questions (108)

Write 0.000000065 in scientific notation.
1. 1 answer
2. 18 views
What were villas?
1. 1 answer
2. 47 views
What is dialogue?
1. 1 answer
2. 15 views
Which were characteristics of Alexander the Great's empire? Select the two correct answers.
1. 1 answer
2. 39 views
five buses need three trips to take 450 students to the stadium to watch a concert. How many trips will it take three buses to
1. 2 answers
2. 1,018 views
Mass of empty bottle is 409g,and mass of bottle filled with water is 1150g,and mass of the bottle containing air is 410g;what
1. 2 answers
2. 660 views
Under partial variation :x is partly constant and partly varies with y ,when y=3, x=7 and when y=6, x=9.find the relationship
1. 1 answer
2. 617 views
Act I, Scene 3, pages 651 - 654 in the purple literature book. Describe what is going on in this scene. Be sure to name the two
1. 0 answers
2. 337 views
What’s the temperature inside a sealed 22.4 L flask which contains 2.5 grams of hydrogen gas at 35.3 psi?
1. 1 answer
2. 420 views
Now do I start off 3rd paragraph of essay. I did the transition sentence in other one
1. 1 answer
2. 412 views
Write the ratio as a fraction in lowest terms.1 1/7 to 3 1/4
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2. 2,384 views
Good evening. I posted a math question earlier that I never received any help on because someone posted something inappropriate.
1. 3 answers
2. 766 views
Ricardo has a $50.00 gift card for an electronics Store. He also has a coupon good for $10 off his Purchase. Let a represent the
1. 7 answers
2. 1,712 views
In what levels are producers and tertiary consumers, respectively found in an energy pyramid?I am kind of lost on how I am
1. 6 answers
2. 936 views
Which level of consumer is an owl in the following chain: grass, cricket, mouse, and owl?I do not know understand this at all
1. 3 answers
2. 801 views
What factor is described when low water levels are causing animals to die from dehydration?I am confused on this. Please help. I
1. 1 answer
2. 485 views
Mrs. Sue,I have a math question if you can please help me on this. I am confused. I am doing coordinates. If I have a theater at
1. 5 answers
2. 631 views
Good evening everyone. I am very confused on how to work on the below problem.Ingrid walked her dog and washed her car. The time
1. 7 answers
2. 851 views
Calculate the maximum number of unpaired electrons that can be placed in a 6d subshell
1. 1 answer
2. 640 views
Hello I need to ask a question. This is all new to me as we are just learning this in school.How would I write an inequality
1. 9 answers
2. 511 views
Good evening. I have a problem in English Language Arts. I have to write a poem.The instructions are as follows: Write a short
1. 1 answer
2. 813 views
Combine like terms.7a square root 2 - a square root 2 + 16= My answer would be as follows: 7a square root 2 + 16 Can you please
1. 5 answers
2. 488 views
Combine like terms.6b plus 7b-10= Would I add 6b + 7b=13b-10 13b-10=3b? Would this be correct? Please advise.
1. 6 answers
2. 864 views
Combine like terms.32y plus 5y= I don't know what to do. I don't understand this. Please help.
1. 4 answers
2. 638 views
Question.I have some math problems that I really need help with and this is all new to me. The direction are as follows: Combine
1. 7 answers
2. 651 views
Evaluate the following expression: (2 x 3)>2 - 5>2The answer I got was 11...How I got this answer was 6 x 6 = 36 and 5 x 5 = 25
1. 1 answer
2. 471 views
Use the distributive property to write an expression that is equivalent to the example below:5(2x + 7) I think my answer is...
1. 1 answer
2. 2,298 views
Which of the following is equivalent to the expression 6m + 3?A)2(3m + 3) B)3(2m + 1) C)3(2m + 3) D)6(m + 3) The answer I got
1. 7 answers
2. 6,469 views
How do you write at least 6 fractions from the below ingredients list that serves 4 people.1 cup all-purpose flour 2 eggs 1/2
1. 4 answers
2. 677 views
I really need help with this please help me.360 kilometers is 24% of ______kilometers
1. 1 answer
2. 708 views
Write each percent as a fraction and as a decimal.7. 72% full 72/100 or .72 9. 500% increase Would it be 500/100 or 500/1000?
1. 1 answer
2. 1,289 views
The above is an article which I had to read for homework and one of the questions that I have to answer is as follows:Which
1. 1 answer
2. 541 views
For many years it was believed by geologists that the location of the continents was fixed.These scientists believed that the
1. 6 answers
2. 861 views
When looking at the problem given in the Video Example 84 –Factoring Out the Opposite of the GCF, located in the media section
1. 1 answer
2. 691 views
a woman drove a distance of 240km on the return journey she drove 20km/h faster and took two hnurs less. what was her speed on
1. 2 answers
2. 729 views
how many hours will it take Wendy to make 4 2/3 batches of cookies if she can make 1 1/3 batches in 1 hour
1. 2 answers
2. 843 views
please balance this chemical equation iron +oxygen > iron (III) oxide +energyFe + O2> Fe2 O3 + heat and light
1. 2 answers
2. 838 views
The novel to kill a mockingbird feature a main character named scout. Scout is also the voice that tells the story. What point
1. 18 answers
2. 5,130 views
If you live only 800m away from the school. If she leaves her home at the sametime as Constance, how many minutes before
1. 1 answer
2. 564 views
If you live 3,5 km away from school. How long will it take you to walk to school
1. 1 answer
2. 483 views
Why are the fossils kept in a glass box in the museum?
1. 6 answers
2. 3,913 views
Find the range and the standard deviation (correct to two decimal places).77, 89, 96, 96, 102
1. 1 answer
2. 900 views
Jared has decided that he wants to build enough retirement wealth that, if he invests at 8% per year (compounded monthly), will
1. 2 answers
2. 615 views
Mark has won a contest in which he will receive $10,000 at the end of each of the next 10 years and then $20,000 a year for the
1. 1 answer
2. 748 views
You borrow $150,000 to purchase a new house. The bank offers you a special 20 year loan with a 7% interest rate and you will
1. 1 answer
2. 814 views
Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the Painting is 1 1/4 times the
1. 2 answers
2. 1,939 views
Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the Painting is 1 1/4 times the
1. 1 answer
2. 852 views
If I swam 30 meters in 16 seconds how would I express this in a fraction? 16/30 or 30/16 and why?
1. 1 answer
2. 582 views
Consider the static equilibrium diagram below. What is the net force acting along the positive x-axis?
1. 1 answer
2. 775 views
In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction:H
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2. 598 views
A "quick picture" is an estimate than?5 x 2.7 ..... 5 x 3= 15 Its been a long time since elementary school and I do not remember
1. 1 answer
2. 654 views
How do you use a "quick picture" to find 5 x 2.7.
1. 1 answer
2. 479 views
An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0%
1. 3 answers
2. 1,009 views
How do I find the unknown digit to make this statement true 2.48 > 2.4 ____1 > 2.463
1. 7 answers
2. 1,442 views
The drawing shows six point charges arranged in a rectangle. The value of q is 9.27 µC, and the distance d is 0.17 m. Find the
1. 2 answers
2. 2,204 views
Two particles each have a mass of 5.5 10-3 kg. One has a charge of +4.8 10-6 C, and the other has a charge of -4.8 10-6 C. They
1. 0 answers
2. 491 views
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. If nonconservative
1. 0 answers
2. 1,006 views
In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 1.1 m/s. However, this speed is
1. 0 answers
2. 1,201 views
One of the new events in the 2002 Winter Olympics was the sport of skeleton (see photo). Starting at the top of a steep, icy
1. 1 answer
2. 1,917 views
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. If nonconservative
1. 1 answer
2. 1,098 views
A 7410-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
1. 1 answer
2. 748 views
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of
1. 1 answer
2. 1,288 views
A 0.069-kg arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.95 m.
1. 1 answer
2. 802 views
A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?
1. 1 answer
2. 650 views
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate
1. 0 answers
2. 1,155 views
Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the
1. 1 answer
2. 685 views
The blade of a windshield wiper moves through an angle of 90.0° in 0.31 s. The tip of the blade moves on the arc of a circle
1. 1 answer
2. 694 views
In the figure below, an object, after being released from its circular path, travels the distance OA in the same time it would
1. 1 answer
2. 2,271 views
The drawing shows a wire tooth brace used by orthodontists. The topmost tooth is protruding slightly, and the tension in the
1. 1 answer
2. 1,048 views
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W =
1. 0 answers
2. 593 views
In the drawing, the weight of the block on the table is 384 N and that of the hanging block is 195 N. Ignore all frictional
1. 0 answers
2. 538 views
What is an open and closed sytem refer to in chemistry?thanks!
1. 1 answer
2. 467 views
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x
1. 0 answers
2. 606 views
A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring
1. 1 answer
2. 1,122 views
A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring
1. 1 answer
2. 1,091 views
Several people are riding in a hot-air balloon. The combined mass of the people and balloon is 328 kg. The balloon is motionless
1. 0 answers
2. 643 views
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 3.10 m.
1. 1 answer
2. 680 views
A space traveler weighs 635 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth
1. 1 answer
2. 1,250 views
(a) Calculate the magnitude of the gravitational force exerted on a 488-kg satellite that is a distance of 1.95 times earth
1. 1 answer
2. 751 views
A bowling ball (mass = 7.2 kg, radius = 0.14 m) and a billiard ball (mass = 0.40 kg, radius = 0.028 m) may each be treated as
1. 1 answer
2. 868 views
Airplane flight recorders must be able to survive catastrophic crashes. Therefore, they are typically encased in crash-resistant
1. 1 answer
2. 742 views
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the
1. 1 answer
2. 694 views
A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring
1. 1 answer
2. 510 views
During a circus performance, a 64-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 0.99 s
1. 1 answer
2. 554 views
The speed of a bobsled is increasing because it has an acceleration of 2.4 m/s2. At a given instant in time, the forces
1. 2 answers
2. 4,251 views
6. –/1.5 points CJ8 4.P.014. My Notes | .Question Part Points Submissions Used 1 2 –/1 –/0.5 0/7 0/1 Total –/1.5 When a
1. 1 answer
2. 568 views
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the
1. 1 answer
2. 627 views
A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point
1. 2 answers
2. 614 views
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply
1. 1 answer
2. 622 views
A volleyball is spiked so that it has an initial velocity of 14 m/s directed downward at an angle of 58° below the horizontal.
1. 1 answer
2. 597 views
On a spacecraft two engines fire for a time of 555 s. One gives the craft an acceleration in the x direction of ax = 5.10 m/s2,
1. 0 answers
2. 515 views
A meteoroid is speeding through the atmosphere, traveling east at 14.8 km/s while descending at a rate of 12.5 km/s. What is its
1. 0 answers
2. 371 views
A meteoroid is speeding through the atmosphere, traveling east at 14.8 km/s while descending at a rate of 12.5 km/s. What is its
1. 0 answers
2. 428 views
In reahcing her destination, a backpacker walks with an average velocity of 1.29 m/s, due west. This average velocity results
1. 1 answer
2. 568 views
A cube of ice is taken from the freezer at -8.5 degrees celsius and placed in a 100 gram aluminum calorimeter filled with 300
1. 1 answer
2. 1,306 views
What is the LCM AND GCF OF 369 AND 3075
1. 1 answer
2. 371 views
two dice are rolled. their sum is recorded. what is the probability that their sum is between five and ten?
1. 0 answers
2. 418 views
Given that an arithmetic sequence has a common difference of 5 and sum of the first 10 terms is 245, the first term is?
1. 1 answer
2. 749 views
What are the ethical standards in policing? I'm not exactly understanding what they mean by this
1. 1 answer
2. 991 views
solve by elimiation2r - 9s = -17 9r + 2s = 51
1. 1 answer
2. 379 views

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