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Haley

Questions (342)

Find the probability P(E or F) if E and F are mutually exclusive and P(E)=0.30 and P(F) =0.47
1. 1 answer
2. 901 views
Doing an assignment on act 4 scene 1-2 of Romeo and Juliet's symbolsI have to use these symbols and find an object for each one
1. 3 answers
2. 707 views
prove the identity :cos^4 theta- sin ^4 thetaover sin squared theta cos squared theta =cot squared theta - tan squared theta
1. 1 answer
2. 516 views
A batter hits a pop-up straight up over home plate at an initial velocity of 29 m/s. The ball is caught by the catcher at the
1. 1 answer
2. 1,949 views
You are playing right field for the baseball team. Your team is up by one run in the bottom of the last inning of the game when
1. 1 answer
2. 2,184 views
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 42 m/s and at an
1. 1 answer
2. 1,009 views
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The
1. 4 answers
2. 19,455 views
A ball thrown horizontally at 27 m/s travels a horizontal distance of 51 m before hitting the ground. From what height was the
1. 1 answer
2. 1,415 views
if 95j of heat is added to a pure gold coin with a mass of 16 grams, what is its temperature change? Specific heat capacity of
1. 2 answers
2. 4,433 views
If 16 points are arranged in a circle, how many lines are needed to join every point at once?
1. 0 answers
2. 589 views
If 16 points are arranged in a circle, how many lines are needed to join every point at once?
1. 1 answer
2. 487 views
Assume that there are 11 girls and 9 boys in the neighborhood club, and a team of 6 is to be selected. How many different teams
1. 2 answers
2. 1,094 views
A bag contains a mixture of copper and lead BBs. The average density of the BBs is 9.60g/cm cubed. What is the percent of copper
1. 0 answers
2. 601 views
Given the function f(x)=2x²-7x+4,find f(10)=?*2x squared
1. 2 answers
2. 352 views
Your cousin has just won the lottery and wants to create an account that will have $100,000 in 16 years to help pay for their
1. 1 answer
2. 574 views
An ideal gas is compressed at constant pressure to one-half its initial volume. If the pressure of the gas is 120 kPa, and 760 J
1. 0 answers
2. 639 views
A window is made up of a circle embedded in a rectangle so that the diameter of the circle is a side of the rectangle. Find the
1. 1 answer
2. 569 views
Seawater contains approximately 3.5% by mass and has a density of 1.02 g/mL. What volume of seawater contains 5.5g of sodium
1. 1 answer
2. 5,081 views
how do you find the slant asymtote of f(x) = (x^3)/(x^2-1) ?
1. 0 answers
2. 270 views
What is the second derivative of (x^3)/(x^2-1)?
1. 0 answers
2. 439 views
What is the second derivative of (x^3)/(x^2-1)? And how would I accurately graph both the derivative and the second derivative
1. 1 answer
2. 618 views
A buffer solution is 1.40 M in NH3 and 1.00 M in NH4Cl. If 0.100 moles of NaOH are added to 1.00 L of the buffer, what is its
1. 1 answer
2. 733 views
A buffer solution is 1.40 M in NH3 and 1.00 M in NH4Cl. If 0.100 moles of NaOH are added to 1.00 L of the buffer, what is its
1. 1 answer
2. 473 views
I am having a problem understanding my homework.use the grid to draw a rectangle, then complete the calculation 23 x17 Help
1. 4 answers
2. 485 views
using f'(x) as the limit of h approaches 0 [f(x+h)-f(x)]/hfind: f'(x), given f(x)=|x|
1. 1 answer
2. 440 views
verb is to ______ as zipcode is to address (unscramble)csteeenn
1. 3 answers
2. 380 views
Which equation can be used to find the unknow ange measures?The diagram is a triganle. A= x+30, B= 3x, and C = x-15 A 5x+15=90 B
1. 1 answer
2. 636 views
A sample of gas occupies a volume of 500.0mL at .906 atm and 97 C. What will the final temperature (in Celsius) be if it is
1. 2 answers
2. 522 views
I need help computing the Annual percentage yield (APY) for a savings account that earned $56 in interest on $800 over 365 days?
1. 0 answers
2. 503 views
I need help computing the Annual percentage yield (APY) for a savings account that earned $56 in interest on $800 over 365 days?
1. 0 answers
2. 441 views
Jake spent 3/8 of his money on a book and 1/2 of what was left on a magazine. He now has $6.25. How much money did he start
1. 0 answers
2. 363 views
What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?
1. 4 answers
2. 3,235 views
1. Neither (she, her) nor I will be at the assembly today.2. To (whom, who) did you address that package? 3. Mrs Jamison and
1. 1 answer
2. 377 views
What are parametric equations?How would you find the rectangular eq's when given parametric eq's? and how would you find
1. 0 answers
2. 1,192 views
solve the system of equations:x^(2)+y^(2) = 12 xy = -4
1. 1 answer
2. 348 views
Find the equation of the parabola:x^(2)+4x = y-8
1. 1 answer
2. 281 views
Please help, im so confused.how would you solve: 2log(subscript6)(4) - (1/3)log(sub6)(8) = log(sub6)(x)
1. 3 answers
2. 390 views
log(subscript 2)(0.5)I know how to convert it into: 0.5 = 2^(y) but then how do I find y?
1. 8 answers
2. 499 views
Explain exactly how you would make 1 liter of a .10 M acetic acid solution using vinegar from the lab as the stock solution to
1. 1 answer
2. 413 views
Want to create a worksheet that will help track your grades and. What formulas and/or functions might you use?
1. 1 answer
2. 366 views
John bought 2 pounds of chocolate for $7.50. Write expression to find the cost of 3.5 pounds of chocolate?
1. 1 answer
2. 443 views
A block of mass m = 2.00 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M =
1. 0 answers
2. 1,311 views
After a completely inelastic collision between two objects of equal mass, each having initial speed v, the two move off together
1. 1 answer
2. 686 views
16_k=8In the equation above, _ represents one of the operations of arithmetic: addition, subtraction, multiplication, or
1. 0 answers
2. 442 views
What is the unit rate of 32 miles per hour?
1. 2 answers
2. 555 views
A 20-foot telephone pole casts a 4-foot shadow.what shadow length will the 6-foot man cast ? A) 1.2feet B) 2.1feet C) 2.2feet
1. 1 answer
2. 487 views
A 20-foot telephone pole casts a 4-foot shadow.what shadow length will the 6-foot man cast ? A) 1.2feet B) 2.1feet C) 2.2feet
1. 1 answer
2. 489 views
a Frog is at the bottom of a 21 foot well. The frog jumps up 4 feet, and then falls back 2 feet. How many jumps will it take for
1. 4 answers
2. 1,277 views
Barbara is playing a game. She jumps forward 5 feet, and then steps backward 2 feet. How many jumps will it take her to reach
1. 8 answers
2. 592 views
An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three
1. 1 answer
2. 708 views
How many rpm's will a 2'' Nd45 sphere do spinning at 340.29 m/s.Please help me!! =(
1. 0 answers
2. 302 views
How many rpm's will a 2'' Nd45 sphere do spinning at 340.29 m/s.Please help me!! =(
1. 0 answers
2. 311 views
would you say:her aspiration of freedom or her aspiration for freedom ?
1. 3 answers
2. 831 views
Why does the division of zero equal one? I just do not understand the process. I've researched it and I have read the responses,
1. 1 answer
2. 449 views
You serve a tennis ball from a height of 2.29 m above the ground. The ball leaves your racket with a speed of 18.7 m/s at an
1. 0 answers
2. 544 views
In the shot put, the shot must land within a 40 degree sector. Consider a coordinate system where the vertex of the sector is at
1. 1 answer
2. 493 views
The largest Ferris Wheel in the world is the London Eye in England. The height (in metres) of a rider on the London Eye after t
1. 1 answer
2. 1,398 views
Based on an average cost per year to attend a university or college of your choice, how much should be invested each month to
1. 2 answers
2. 618 views
A force of 100 Newtons acts upwards on a mass of 50 kg, another force of 60 newtons acts on the same mass downwards. calculate
1. 1 answer
2. 449 views
How do you find (in radians) the exact value of:tan[pi-(pi/12)]
1. 1 answer
2. 603 views
verify that the equation is an identity:(1-cosX)/(1+cosX) = (cscX-cotX)^2
1. 3 answers
2. 669 views
How to convert 4.65 into a fraction but in simpilest form while showing your work?
1. 2 answers
2. 286 views
A tightly stretched "high wire" is 44 m long. It sags 3.8 m when a 56 kg tightrope walker stands at its center. What is the
1. 2 answers
2. 2,326 views
The empirical formula of a compound is CH2O and the molecular mass is 180. What is the molecular formula of the compound?
1. 1 answer
2. 789 views
What is the total mass of iron in 1.0 mole of FeCO3?
1. 1 answer
2. 525 views
A gas has a volume of 1,400 milliliters at a temperature of 20.0 K and a pressure of 101.3 kPa. What will be the volume when the
1. 1 answer
2. 1,366 views
A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near
1. 1 answer
2. 2,892 views
input (f) 5,10,2,8Output f(x) 22,47,7,37 My question is what is the rule?
1. 1 answer
2. 357 views
Two masses (m1 = 532 grams, m2 = 114 grams) are connected with a rope through a frictionless pulleyThe ramp has an elevation
1. 0 answers
2. 471 views
an atwood machine is set up with m1=234 grams and m2=485 grams. the height of m2 above the floor is 137 cm, and the system is
1. 0 answers
2. 437 views
Your task is to produce 175mL of carbon dioxide. You many use anything in class.
1. 3 answers
2. 360 views
solve 2sin^2 theta-7 sin theta= -3 for theta, where 0<theta<360 degrees
1. 1 answer
2. 493 views
write the general solution to 2cos^2x+cos x=1
1. 2 answers
2. 407 views
two crates, of mass 75 kg and 113 kg, are in contact and at rest on a horizontal surface. A 727 N force is exerted on the 75 kg
1. 1 answer
2. 707 views
what is theta, the x component, and the y component if you know the followingstandard vector notation: 239 m @ 261 degrees
1. 1 answer
2. 416 views
Add parentheses to 9+8•7-6•5+4•3+2 so that the value of the expression is 105
1. 1 answer
2. 585 views
an object travels 219 meters with acceleration 6.43 m/s^2 over an interval of 2.86 seconds. What are Vi and Vf.
1. 1 answer
2. 340 views
A skier is accelerating down a 30.0° hill at a = 4.10 m/s2a) What is the vertical component of her acceleration? b) How long
1. 0 answers
2. 618 views
The x component of a certain vector is -86.0 units and the y component is +75.0 units.What is the magnitude of the vector?
1. 1 answer
2. 1,063 views
A jogger runs 59 m due west, then changes direction and runs 83 m due north. What is the distance the jogger travels?
1. 1 answer
2. 649 views
How do I calculate the physiological density of Namibia? I can't find it!! HELP!! :)
1. 1 answer
2. 649 views
What are some symbols in 'a journey to the center of the earth' by jules verne
1. 1 answer
2. 481 views
Rockets A and B are fired straight upward from rest. Rocket A is launched first and accelerates at 11.2 m/s2. Rocket B is
1. 1 answer
2. 806 views
A particle is moving in R2 according to the law x=t^2, y=t^3 (time is measured in seconds, coordinates in meters).(a) What is
1. 1 answer
2. 511 views
A flatbed truck of mass 2000kg traveling 20 m/s (about 45mph)carries a load of mass 500kg positioned 3 meters behind the cab.
1. 1 answer
2. 1,299 views
What is the hydrologic cycle?
1. 1 answer
2. 485 views
Jake was doing a lab to find the density of metal. Here's his data: mass of the metal sample: 45 grams, volume of metal sample:
1. 2 answers
2. 644 views
What Is 45% of 30?
1. 1 answer
2. 409 views
A toy manufacturer is introducin g two new dolls, my first baby and my real baby. IN one hour, the company can produce 8 first
1. 0 answers
2. 638 views
Using Planck’s constant as h = 6.63 E-34 J*s, what is the wavelength of a proton with a speed of 5.00 E6 m/s? The mass of a
1. 1 answer
2. 1,090 views
An excess of zinc metal is added to 50.0 mL of a 0.100 M AgNO3 solution in a constant-pressure calorimeter. Assuming that the
1. 3 answers
2. 2,146 views
what is the exact value of tan375degrees
1. 9 answers
2. 2,266 views
WHich of the following systems will the endocrine system use to send any of it messaqges?THe circulatory The immune The
1. 1 answer
2. 719 views
Feedback inhibition means that an increase in a substance will what?
1. 2 answers
2. 738 views
I'm writing a comparison paper on two popes.One of them is Innocent III, but I'm not sure what a good comparison for him would
1. 0 answers
2. 492 views
A box with a square base and an open top is to have a volume of 68in^3 . Neglect the thickness of the material used to make the
1. 1 answer
2. 764 views
You are given a jar containing a mixture of three different solid substances. The particles of each substance are larger than
1. 1 answer
2. 2,108 views
during an experiment, if not all of a liquid vaporizes, in a flask with a cap with a pinhole. will the reported molecular weight
1. 3 answers
2. 628 views
A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right
1. 2 answers
2. 8,365 views
How do you find Standard Form for the problem: m=-3; b=2?
1. 2 answers
2. 366 views

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