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Lindsey

Questions (248)

A baseball pitcher in good form can throw a baseball that attains a speed of 86 mi/h in a distance of 1.3 m. Assume that the
1. 0 answers
2. 434 views
A drug trial is testing the effectiveness of two drugs, If 50 patients are given Drug A, 20 patients are given Drug B, and 100
1. 2 answers
2. 1,078 views
You want to determine the number of text messages students at your school make in a month. You select 10 freshmen, 10
1. 0 answers
2. 552 views
A spinner is numbered 1-8. What are the ODDS of landing on a number greater than 5?
1. 1 answer
2. 661 views
You have the numbers 1–24 written on slips of paper. If you choose one slip at random, what is the probability that you will
1. 1 answer
2. 800 views
A drug trial is testing the effectiveness of two drugs. If 40 patients are given Drug A, 80 patients are given Drug B, and 20
1. 2 answers
2. 459 views
In a batch of 860 calculators, 9 were found to be defective. What is the probability that a calculator chosen at random will be
1. 1 answer
2. 1,694 views
In a batch of 280 water purifiers, 12 were found to be defective. What is the probability that a water purifier chosen at random
1. 1 answer
2. 462 views
A construction company orders 2900 new light bulbs for a new office building. If the probability of a light bulb being defective
1. 1 answer
2. 612 views
In a batch of 280 water purifiers, 12 were found to be defective. What is the probability that a water purifier chosen at random
1. 2 answers
2. 645 views
A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict
1. 1 answer
2. 674 views
A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict
1. 2 answers
2. 493 views
if the coefficient of static friction between a 55 kg box and the floor is 0.67 with what minimum horizontal force must it be
1. 2 answers
2. 396 views
What method(s) would you choose to solve the equation? Explain your reasoning.4x^2-48=0 a. Quadratic formula, graphing; the
1. 1 answer
2. 2,390 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y =
1. 8 answers
2. 3,256 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y =
1. 1 answer
2. 708 views
A sample of 4 balls is to be selected at random from an urn containing 18 balls numbered 1 to 18. Five balls are green, 6 balls
1. 1 answer
2. 908 views
Log2 (x-6) + log2 (x-4) - log2 X=2
1. 3 answers
2. 2,169 views
I am trying to find the integral of e^(6x)sin(7x). Apparently, the answer is (6e^(6x)sin(7x) - 7e^(6x)cos(7x))/85) + C and
1. 1 answer
2. 1,720 views
A $10,000 loan is to be amortized for 10 years with quarterly payments of $349.72. If the interest rate is 7%, compounded
1. 1 answer
2. 647 views
When Maria Acosta bought a car 2.5 years ago, she borrowed $10,000 for 48 months at 7.8% compounded monthly. Her monthly
1. 1 answer
2. 1,733 views
What amount must be set aside now to generate payments of $30,000 at the beginning of each year for the next 13 years if money
1. 1 answer
2. 977 views
A year-end bonus of $24,000 will generate how much money at the beginning of each month for the next year, if it can be invested
1. 1 answer
2. 917 views
the bulletin board in Shain's classroom is 3 1/4 feet by 4 1/2 feet.what is the area of the bulletin board? is this right? 24
1. 2 answers
2. 783 views
Danielle spend 2/5 of her paycheck on bills. Her water bill was 1/6 of what she spent on bills. What part of her paycheck went
1. 3 answers
2. 1,940 views
What are 10 ways to increase voter turnout in the United States? If possible, rovide justification for each one because some of
1. 1 answer
2. 450 views
Your test scores in one class are 81 and 87. What possible scores can you earn on your next test to have a test average between
1. 6 answers
2. 2,954 views
In preparing to shoot an arrow, an archer pulls a bowstring back 0.49 m by exerting a force that increases uniformly from 0 to
1. 1 answer
2. 692 views
A cashier has a total of 34 bills, made up of ones, fives, and twenties. The number of fives is one less than the number of
1. 4 answers
2. 1,729 views
A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33
1. 1 answer
2. 528 views
if a leaky faucet drips eight ounces of water per minute how many gallons per day is that
1. 1 answer
2. 534 views
The Fun Guys game rental store charges an annual fee of $20 plus $6.50 per game rented. The Game Bank charges an annual fee of
1. 2 answers
2. 2,276 views
Using the following equations as a guide (some may be used, some may not-choose wisely)y1 OR x1= initial position x2 or Y2
1. 1 answer
2. 557 views
An explorer is stranded in the desert. A rescue service has located him using GPS, but can reach him only by plane. A supply
1. 4 answers
2. 595 views
Add or Subtract1.) 3 7/12 + (-2 4/5)
1. 1 answer
2. 361 views
A boat travels across a wide river. if the boat can travel at a speed of 25 mph and its pilot heads in a direction of 30
1. 1 answer
2. 810 views
on Monday morning, a mechanic has no cars in her shop. the table at right shows the number of cars dropped off and picked up
1. 6 answers
2. 762 views
39.3 grams of c6h6 are allowed to react with 108.3 grams of o2. How much co2 will be produced by this reaction?
1. 1 answer
2. 2,377 views
Identify the initial amount a and the decay factor b in each exponential function.1.) y= 0.1* 0.9^x
1. 1 answer
2. 863 views
Calculate:In the following equation, 417.96 g of Bi (bismuth) reacts completely with 200 g of F (fluorine.) How many grams of
1. 2 answers
2. 2,163 views
I have no idea how to do this, and I'm not sure what the formula is. Here's my question: In space, there is almost no air, so
1. 2 answers
2. 674 views
Simplify each expression.1.) (b^ 1/6)^3 b^1/6 2.) (2x^-3)^2 (0.2x)^2 3.) (3^7)^2 (3^-4)^3
1. 1 answer
2. 324 views
Simplify. Write each answer in scientific notation.1.) (3 * 10^5)^2 2.) (3.5 * 10^ -4) ^3
1. 2 answers
2. 545 views
Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution.1.)
1. 1 answer
2. 1,074 views
what is the solution of the following system of equations?1.) 5x + 7y =3 2x = -3y +1
1. 1 answer
2. 1,685 views
solve each system using elimination.1.) 6x - 3y =15 7x + 14y =10 Tell whether the system has one solution, infinitely many
1. 2 answers
2. 1,003 views
Solve each system using elimination.1.) 5x - y=0 3x + y=24 2.) 3x + 3y =27 x - 3y =-11 3.) 6x +4y =42 -3x + 3y =-6
1. 3 answers
2. 1,760 views
Tell whether the system has one solution, infinitely many solutions, or no solution.1.) y= 1/2x +3 2y -x =6 2.) x= -7y + 34 x+
1. 3 answers
2. 560 views
solve each system by substitution. check your answers 4y +3 = 3y +x and 2x +4y =18
1. 3 answers
2. 1,434 views
While in Europe, if you drive 125km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter
1. 1 answer
2. 529 views
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 38.0mi/gal , how many liters of gasoline would
1. 1 answer
2. 683 views
students measured the diameters and circumferences of the tops of a variety of cylinders. Below are the data that they
1. 0 answers
2. 691 views
Identify these functionsgalvanometer step-up transformer electric motor generator electromagnet step-down transformer commutator
1. 4 answers
2. 698 views
Which ordered pai is a solution of y= -6x -7?A.(0.5,-4) B.(2,-19) C.(-2,-5) D. (3,11)
1. 1 answer
2. 431 views
Which property is illustrated by 45 + 19 = 19 + 45?A. Commutative property of addition B. Identity property of Addition C.
1. 2 answers
2. 2,108 views
What is the value of the expression (-7) (3)- (5)(-3)?
1. 1 answer
2. 430 views
jack is taking his family to the fair. he plans to take $5 for each admission ticket plus $35 for food. Write an equation that
1. 6 answers
2. 1,013 views
simplify (x^2 +6) - (3x^2 - 2x -5)
1. 1 answer
2. 368 views
Fill in the blanks using the correct term from the list below.Active Combustion free heating systems passive heat pump thermal
1. 5 answers
2. 945 views
The transfer of thermal energy by convention and conduction both require what?Unscramble atterm
1. 3 answers
2. 461 views
At a swim meet, a parent is videotaping his son from a seat in the stands that is 20 meters past the starting line and 8 meters
1. 0 answers
2. 688 views
Let x,y, and z be nonzero real numbers. Find all possible values ofx/|x|+y/|y|+z/|z|+xyz/|xyx|.
1. 1 answer
2. 506 views
Please also, help me set up this problem.Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation.
1. 2 answers
2. 1,946 views
Help me set up this problem. I have been looking at a few examples of similar problems and I keep getting the wrong answers. I'm
1. 2 answers
2. 1,576 views
Think Critically.The mechanical advantage of a machine is less than one. Compare the distances over which the input and output
1. 0 answers
2. 570 views
Need Boys #'s
1. 1 answer
2. 337 views
A 30-pack of blank CDs costs $9.50. A 50-pack of blank CDs costs $13. How can you tell which is the better buy?
1. 3 answers
2. 897 views
why is the kinetic energy of the lumber higher on the truck during the delivery than when it drops from the carpenter's
1. 1 answer
2. 1,476 views
Explain the role friction plays in the conservation of energy.
1. 3 answers
2. 689 views
A beauty salon buys bottles of styling gel for $4.50 per bottle and marks up the price by 40%. For what price does the salon
1. 1 answer
2. 611 views
A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 L
1. 1 answer
2. 918 views
Erin buys a bag of peanuts that weighs3/4 of a pound. Later that week, the bag is 2/3 full. How much does the bag of peanuts
1. 8 answers
2. 1,745 views
The test Keyshawn's class took finished at 10:30 A.M. The first part of the test took 30 minutes. There was a 15 minute break.
1. 2 answers
2. 1,736 views
Will arrived at his mother's office at 3 P.M. It took him 30 minutes to walk from his home to the mall. He was in the mall for
1. 4 answers
2. 1,457 views
Explain how you know 6/6 and 1 are equivalent?
1. 7 answers
2. 2,127 views
a teacher on her way to work passes through 3 stoplights each morning. the distances between the stop lights are great and the
1. 1 answer
2. 667 views
How often would a restriction enzyme such as Not I, which has 8 nucleotides in its recognition sites 5’-GCGGCCGC-3’, cleave
1. 0 answers
2. 627 views
How might the formation of Pangaea have led to mass extinctions at the end of the Permian period, about 250 million years ago?
1. 1 answer
2. 494 views
I give medals and 'best answer' :) I need help asap!Which of the following is one way to assess whether or not a learning game
1. 68 answers
2. 30,100 views
Please help me, i really need to get this. the only question/essay im stuck on. Answer the following questions about the essay
1. 1 answer
2. 707 views
A barefoot ﬁeld-goal kicker imparts a speedof 44 m/s to a football initially at rest. If the football has a mass of 0.49 kg
1. 1 answer
2. 645 views
A Cyclist is riding on a path whose elevation is modeled by the function f(x) = 0.08(16x-x^2) where x and f(x) are measured in
1. 1 answer
2. 979 views
A cyclist is riding on a path whose elevation is modeled by the function F(X)=0.2x where x and f(x) arte measured in miles. Find
1. 5 answers
2. 1,172 views
Suppose you are asked to find the area of a rectangle that is 2.1-cm \rm cm wide by 5.6-cm \rm cm long. Your calculator answer
1. 6 answers
2. 11,584 views
How much silver is present in 3.5 ml of a 1 molar silver nitrate solution?
1. 1 answer
2. 364 views
The sound emitted by bats has a wavelengthof 3.45 mm. What is the frequency in air? The speed of sound in air is 343 m/s.
1. 1 answer
2. 1,083 views
If a proton is moving in a magnetic field with a speed of 4 × 106m/s and is executing uniform circular motion with a radius of
1. 0 answers
2. 511 views
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an
1. 0 answers
2. 520 views
A charged particle is moving downward with an initial speed of 5 × 106m/s when it encounters a uniform magnetic field that
1. 0 answers
2. 975 views
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an
1. 0 answers
2. 1,110 views
An electron is shot into a uniform magnetic field B = (.5 x + .8 y)T with an initial velocity of v = (4 x + 3 y) × 106m/s. What
1. 0 answers
2. 435 views
Electric charge flows through a wire, which naturally has a cylindrical cross section. Suppose the charge has a current density
1. 0 answers
2. 550 views
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly
1. 0 answers
2. 539 views
The work done by an external force on an electron as it moves from point A to point B is 6.3 × 10-14 J. If it was started from
1. 0 answers
2. 446 views
Suppose a data set has a linear regression line of y = 6 -0.8x. If the mean of the x's is 5, what is the mean of the y's?2 5 10
1. 1 answer
2. 1,860 views
Charge is distributed through an infinitely long cylinder of radius R in such a way that the charge density is proportional to
1. 1 answer
2. 767 views
Charge is uniformly distributed along the x axis with density ß. Use Gauss' Law to find the electric field it produces, and use
1. 0 answers
2. 538 views
Assume that you have $10,000 which you plan to invest for 3 years. How much more would you have if you invested the funds at 10%
1. 1 answer
2. 983 views
An electron with velocity v = 2.4 × 106 m/s i encounters an electric field E = 1250 N/C i. How long will it take for the speed
1. 0 answers
2. 337 views
Charge Q is uniformly distributed around the perimeter of a semicircle of radius R. What is the electric field at the circle's
1. 0 answers
2. 543 views

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