Ask a New Question

Questions and answers by

Emily

Questions (1,829)

1) evaluate without a calculator: a)sin(3.14/4) b) cos(-3(3.14)/4) c) tan(4(3.14)/3) d) arccos(- square root of three/2) e)
1. 1 answer
2. 1,522 views
1) What is the amplitude, period, horizontal shift (relative to basic function), and vertical translation of the following: a)
1. 1 answer
2. 631 views
what is the concentration of a 250 ml solution that contains 44 grams of magnesium fluoride
1. 1 answer
2. 350 views
during an experiment, 20 ml of 4 M hydrochloric acid is mixed with 30 ml of water. what is the concentration of your new
1. 1 answer
2. 386 views
One long wire carries current 26.0 A to the left along the x axis. A second long wire carries current 68.0 A to the right along
1. 1 answer
2. 816 views
what is the cost of 3 notebooks at 20% discount, a binderat 25% discount, and 2 pens. 1 notebook: $1.79 1 pen: $2.89 1 Binder:
1. 1 answer
2. 787 views
When a ball is thrown in the air at 15mps from a height of 1 ft, how long does it take for the ball to hit the ground?
1. 3 answers
2. 449 views
I have to draw upon the Christian parallels within the story of The Lion, the Witch and the Wardrobe. I have found information
1. 1 answer
2. 955 views
I'm using Zumdahl 7th Edition Chemistry Book and I'm having trouble with some practice problems in the first chapter.Here are a
1. 11 answers
2. 2,550 views
If 1 more than a certain number is 3 less than a second number, the larger of these numbers minus the smaller is equal to?
1. 1 answer
2. 419 views
Oatmeal Recipe:Water 3/4 cup Salt: 1/4 teaspoon Oats: 1/3 cup If the least possible multiple of the recipe above is prepared so
1. 1 answer
2. 785 views
"A rock is dropped from the edge of a 180 m cliff. the function f(x) = -5t^2 - 5t + 180 gives the height of the rock, h(t), in
1. 2 answers
2. 1,765 views
an algorithm word problem
1. 1 answer
2. 267 views
how did youth day came?
1. 1 answer
2. 2,478 views
The inmate code is:A. the set of rules for inmate behavior established by prison officials. B. an informal set of rules of
1. 3 answers
2. 1,049 views
The role of the defense attorney is to:A. decide the innocence of the accused. B. get his or her client off by whatever means.
1. 2 answers
2. 574 views
5 ways in which the human or environmental problem impact on the community on Hiv&aids
1. 0 answers
2. 416 views
Although its meaning may vary from one culture to the next, __________ appears to be an almost universal taboo.A. murder B. C.
1. 1 answer
2. 461 views
A steel wire in a piano has a length of 0.5000 m and a mass of 3.800 10-3 kg. To what tension must this wire be stretched in
1. 1 answer
2. 1,773 views
Find the derivativey = e^(-5x) + cos^3 x F(x)= (x^2 -x+1)^3
1. 1 answer
2. 368 views
A sample of argon gas at STP occupies 56.2 liters. Find the number of moles of argon and the mass in the sample
1. 3 answers
2. 27,569 views
How do you find the equation of a line with a slope of 2 and containing the points 1,5
1. 0 answers
2. 288 views
did any workers die while building the palace of fine
1. 10 answers
2. 927 views
The invested in a bank savings accouint is coumpounded continousl, with an annual interest rate of 3%. If a deposit of $2000 is
1. 1 answer
2. 368 views
Two speakers are wired to emit identicalsounds in unison. The wavelength in air of the sounds is 6 m. Do the sounds interfere
1. 2 answers
2. 2,307 views
"How would you prepare 150. mL of 0.1M sodium hydroxide given a stock solution of 3.0M NaOH?"I made calculations and figured the
1. 2 answers
2. 859 views
A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a
1. 1 answer
2. 4,070 views
A convex lens of focal length 2.5 cm is placed 4 cm from a small object of height 4 cm. Use a ruler and construct the image. Is
1. 1 answer
2. 621 views
how did Palace Of Fine Arts got its name
1. 6 answers
2. 373 views
Find the average rate of changef(x)=x^3-3x+9 (a) from -4 to -3 (b) from -2 to 5 (c) from 5 to 9
1. 1 answer
2. 451 views
For the given equation, list the intercepts and test for symmetry.2+y-121=0 Show tests algebraically
1. 1 answer
2. 779 views
Taxes:Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the
1. 1 answer
2. 516 views
Mack needs to buy fencing to surround his circular garden. If his garden is 30 feet across and fencing cost $4.50 per foot, how
1. 1 answer
2. 822 views
Taxes:Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the
1. 1 answer
2. 866 views
A meteoroid changed velocity from 1.0 km/s to 1.8 km/s in 0.03 seconds. What is the acceleration of the meteoroid?
1. 1 answer
2. 1,011 views
In 0.5 seconds, a projectile goes from 0 to 300m/s. what is the acceleration of the projectile?
1. 1 answer
2. 2,199 views
Solve for y=x-5
1. 0 answers
2. 278 views
What is 8/9 as a percent, as a decimal, and a decimal rounded to two places?
1. 2 answers
2. 810 views
A rotating uniform-density disk of radius 0.6 m is mounted in the vertical plane. The axle is held up by supports that are not
1. 5 answers
2. 4,729 views
11-098-satellite_and_junk.jpgA spherical satellite of radius 4.6 m and mass M = 195 kg is originally moving with velocity
1. 0 answers
2. 1,663 views
A device consists of eight balls each of mass 0.4 kg attached to the ends of low-mass spokes of length 1.8 m, so the radius of
1. 0 answers
2. 1,408 views
A car has a unibody-type frame and is supported by four suspension springs, each witha force constant of 36100 N/m. The combined
1. 0 answers
2. 981 views
A particle hangs from a spring and oscillates with a period of 0.2 s.If the mass-spring system remained at rest,by how much
1. 2 answers
2. 3,938 views
A mass of 0.22 kg is attached to a spring andis set into vibration with a period of 0.10 s. What is the spring constant of the
1. 1 answer
2. 1,588 views
What volume of 1.0 M HCl would react completely with 0.20 grams of NaC2H3O2*3H2O?It sounds like an equation I would set up as
1. 0 answers
2. 606 views
Estimate the uncertainty in the speed of an oxygen molecule if its position is known to be +/- 3 nm. The mass of an oxygen
1. 1 answer
2. 1,494 views
Balance the following redox reaction in acidic and basic solutions:Fe(OH)2(s) + O2(g) --> Fe(OH)3(s) These are the steps my
1. 0 answers
2. 1,479 views
A coin rests 12.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface
1. 0 answers
2. 977 views
Special education services for young children are with disabilitiesa. cannot be enforced through laws b. depend on parent
1. 2 answers
2. 465 views
The OB river flows through which regiona. Central Asia b. Siberia c. Moldova d. Ukraine a or b not sure I think B is more
1. 2 answers
2. 926 views
Calculate the quantity of energy required to change 3.00 mol of liquid water to steam at 100°C. The molar heat of vaporization
1. 2 answers
2. 4,721 views
From an ATP production viewpoint, use fact B to make a statement regarding the efficiency of fats vs. carbs.Fact b - Carbs bind
1. 1 answer
2. 1,145 views
Is noise present in the differenced series (taking non-stationary data and making it stationary through first difference of a
1. 0 answers
2. 339 views
Behavior objectives should be written about a behavior that a) is exhibited by most chlldren. B) can actually be seen. C)
1. 1 answer
2. 520 views
Find the difference between the perimeter of a square of area 1 centimeter square and the circumference of a circle of the same
1. 1 answer
2. 477 views
A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is
1. 5 answers
2. 1,711 views
Find the speed of a point on the rim of a 24cm diameter fly wheel which is turning at 2800 revolutions per minute. Give your
1. 10 answers
2. 4,149 views
If the minute hand of a big clock is 1.12m long, find the rate at which its tip is moving in centimeters per minute.
1. 1 answer
2. 435 views
As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of
1. 6 answers
2. 1,798 views
How can we find the resultant force if the mass and SPEED are given?? Give me the formula please!!
1. 2 answers
2. 380 views
The eggs of a species of bird have an average diameter of 23 mm and an SD of 0.45 mm. The weights of the chicks that hatch from
1. 5 answers
2. 493 views
A quiz consists of 10 multiple choice questions. Each question is marked either “right” or “wrong.” Each right answer
1. 0 answers
2. 577 views
An astronaut in her space suit has a total mass of m1 = 76.9 kg, including suit and oxygen tank. Her tether line loses its
1. 1 answer
2. 3,210 views
The cost C in dollars of producing n yearbooks is represented by the equationC=1000+5n How much would it cost to produce 75n
1. 3 answers
2. 1,277 views
A continuously operated 1000 liter CSTR is used for production of biomass from glucose provided bythe feed (feed rate of 100l/h
1. 0 answers
2. 432 views
Scientists can determine the age of ancient objects by a method called radio carbon dating.The bombardment of the upper
1. 1 answer
2. 1,297 views
Why is why is CH4+2O2 --> CO2+2H2O very slow at room temperature?
1. 1 answer
2. 1,140 views
How do you balance this equation?Fe2O3+C=Fe+CO2
1. 0 answers
2. 505 views
A man was given $x. He spent 50 cents a day. How much money had he left afterA) 10 days? B) 2 weeks? C) t days?
1. 1 answer
2. 971 views
Please show the solutions!1.) x+y-2(2x-3y) 2.) x+y/2 - 3x-y/4 + x-5y/8 3.) 4x- {3x-[(x-3)-2(x-5)]} 4.) a+5b/2 + a-3b/3 -
1. 3 answers
2. 376 views
What are three dominant rhetorical devices in the essay "Where the World Began" by Margaret Laurence?
1. 2 answers
2. 1,578 views
I am doing a research project on The Bermuda Triangle. I need to answer three questions but I cannot think of any good research
1. 6 answers
2. 518 views
If f(x) = 3x^(ln(x)), find f'(10)
1. 0 answers
2. 890 views
Let f(x) = 2ln(cosx), find f''(x)
1. 1 answer
2. 392 views
Find the derivative of y = (ln(2x))/2x
1. 1 answer
2. 295 views
Find the derivative of y = (ln(3x))^4
1. 1 answer
2. 573 views
Solve for x in the equation ln(16-12x)-2lnx = ln4
1. 1 answer
2. 576 views
Solve for x in the equation ln(16-12x)-2lnx)= ln4
1. 1 answer
2. 1,234 views
Calculate g'(36^(1/2)), where g is the inverse of f(x) = ((x*x)+16x) for x less than or equal to -16
1. 0 answers
2. 317 views
There are 21 people. The number of adults is 3 fewer than 5 times the number of children. How many adults are there?How many
1. 1 answer
2. 454 views
A ladder reaches a height of 16 feet on a wall. If the bottom of the ladder is placed 4 feet away from the wall, what is the
1. 2 answers
2. 2,006 views
A 1500.0 kg car accelerates uniformly to double its speed from 35.9 km/h in 4.74 s. What net force acted on this car?
1. 1 answer
2. 746 views
What word is being modified by the prepositional phrase?The monkeys ran from the sound of humans? Is it sound?
1. 4 answers
2. 476 views
how many combinations can you get with 18 flavors of ice cream and 70 toppings?
1. 0 answers
2. 328 views
find two point the perpendicular bisector of line AB. verify your results by showing each point is equidistant from A and B.
1. 1 answer
2. 667 views
How do I record this transaction? Sold inventory on account for $500, cost of merchandise sold was $300. (Record the sale first
1. 0 answers
2. 638 views
In a lab experiment, we experimented with 1% glucose solution and Sorenson's solution to determine pH levels and whatnot; the
1. 2 answers
2. 571 views
A ball on the end of a string is whirled aroundin a horizontal circle of radius 0.486 m. The plane of the circle is 1.83 m above
1. 1 answer
2. 1,210 views
How can the concept of specific heat capacity of water be used to explain the heating and cooling patterns if the oceans and the
1. 0 answers
2. 492 views
Assume that you have a total of 9 people on the committee: 2 black males, 1 black female, 1 white male, and 5 white females.
1. 0 answers
2. 511 views
A student wants to buy 3 CDs, but assume that there are 3 CDs featuring the piano, 5 CDs featuring the trumpet, and 3 CDs
1. 3 answers
2. 746 views
The denominator of a fraction is greater than its numerator by 9. If 7 is subtracted from both its numerator and denominator,
1. 3 answers
2. 2,393 views
In the following sentence is there a direct object or a predicate adjective?Sometimes I feel nervous before a game.
1. 1 answer
2. 415 views
A satellite moves in a circular orbit aroundthe Earth at a speed of 5.4 km/s. Determine the satellite’s altitude above the
1. 0 answers
2. 677 views
An athlete whirls a 6.6 kg hammer tied tothe end of a 1.2 m chain in a horizontal circle. The hammer moves at the rate of 0.432
1. 1 answer
2. 1,535 views
According to the Guinness Book of WorldRecords (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500
1. 1 answer
2. 3,705 views
A 1.62 kg mass attached to a light stringrotates on a horizontal, frictionless table. The radius of the circle is 0.986 m, and
1. 0 answers
2. 547 views
We are working on molarity of a solution in my class, and I am a little stumped on how to set the problems up. Here is one
1. 1 answer
2. 940 views
A police car is at rest beside a road, looking for speeders. A car passes going at a constant speed of 30.0 m/s. The police car
1. 2 answers
2. 1,362 views
One strategy in a snowball ﬁght is to throwa snowball at a high angle over level ground. While your opponent is watching this
1. 1 answer
2. 1,645 views

Pages

1
2
3
4
5
6
7
8
9
10

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025