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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 answer
1,501 views
1) What is the amplitude, period, horizontal shift (relative to basic function), and vertical translation of the following: a)
1 answer
618 views
what is the concentration of a 250 ml solution that contains 44 grams of magnesium fluoride
1 answer
344 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 answer
375 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 answer
788 views
what is the cost of 3 notebooks at 20% discount, a binder
at 25% discount, and 2 pens. 1 notebook: $1.79 1 pen: $2.89 1 Binder:
1 answer
775 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?
3 answers
438 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 answer
939 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
11 answers
2,518 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 answer
407 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 answer
775 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
2 answers
1,746 views
an algorithm word problem
1 answer
263 views
how did youth day came?
1 answer
2,463 views
The inmate code is:
A. the set of rules for inmate behavior established by prison officials. B. an informal set of rules of
3 answers
1,023 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.
2 answers
560 views
5 ways in which the human or environmental problem impact on the community on Hiv&aids
0 answers
399 views
Although its meaning may vary from one culture to the next, __________ appears to be an almost universal taboo.
A. murder B. C.
1 answer
449 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 answer
1,747 views
Find the derivative
y = e^(-5x) + cos^3 x F(x)= (x^2 -x+1)^3
1 answer
358 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
3 answers
27,539 views
How do you find the equation of a line with a slope of 2 and containing the points 1,5
0 answers
274 views
did any workers die while building the palace of fine
10 answers
915 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 answer
355 views
Two speakers are wired to emit identical
sounds in unison. The wavelength in air of the sounds is 6 m. Do the sounds interfere
2 answers
2,292 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
2 answers
843 views
A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a
1 answer
4,055 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 answer
604 views
how did Palace Of Fine Arts got its name
6 answers
362 views
Find the average rate of change
f(x)=x^3-3x+9 (a) from -4 to -3 (b) from -2 to 5 (c) from 5 to 9
1 answer
432 views
For the given equation, list the intercepts and test for symmetry.
2+y-121=0 Show tests algebraically
1 answer
756 views
Taxes:
Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the
1 answer
502 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 answer
807 views
Taxes:
Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the
1 answer
852 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 answer
990 views
In 0.5 seconds, a projectile goes from 0 to 300m/s. what is the acceleration of the projectile?
1 answer
2,182 views
Solve for y=x-5
0 answers
267 views
What is 8/9 as a percent, as a decimal, and a decimal rounded to two places?
2 answers
797 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
5 answers
4,705 views
11-098-satellite_and_junk.jpg
A spherical satellite of radius 4.6 m and mass M = 195 kg is originally moving with velocity
0 answers
1,647 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
0 answers
1,380 views
A car has a unibody-type frame and is supported by four suspension springs, each with
a force constant of 36100 N/m. The combined
0 answers
962 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
2 answers
3,916 views
A mass of 0.22 kg is attached to a spring and
is set into vibration with a period of 0.10 s. What is the spring constant of the
1 answer
1,576 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
0 answers
579 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 answer
1,479 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
0 answers
1,462 views
A coin rests 12.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface
0 answers
961 views
Special education services for young children are with disabilities
a. cannot be enforced through laws b. depend on parent
2 answers
449 views
The OB river flows through which region
a. Central Asia b. Siberia c. Moldova d. Ukraine a or b not sure I think B is more
2 answers
914 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
2 answers
4,699 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 answer
1,129 views
Is noise present in the differenced series (taking non-stationary data and making it stationary through first difference of a
0 answers
329 views
Behavior objectives should be written about a behavior that a) is exhibited by most chlldren. B) can actually be seen. C)
1 answer
502 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 answer
458 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
5 answers
1,693 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
10 answers
4,122 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 answer
422 views
As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of
6 answers
1,781 views
How can we find the resultant force if the mass and SPEED are given?? Give me the formula please!!
2 answers
366 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
5 answers
469 views
A quiz consists of 10 multiple choice questions. Each question is marked either “right” or “wrong.” Each right answer
0 answers
558 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 answer
3,189 views
The cost C in dollars of producing n yearbooks is represented by the equation
C=1000+5n How much would it cost to produce 75n
3 answers
1,260 views
A continuously operated 1000 liter CSTR is used for production of biomass from glucose provided by
the feed (feed rate of 100l/h
0 answers
419 views
Scientists can determine the age of ancient objects by a method called radio carbon dating.
The bombardment of the upper
1 answer
1,273 views
Why is why is CH4+2O2 --> CO2+2H2O very slow at room temperature?
1 answer
1,125 views
How do you balance this equation?
Fe2O3+C=Fe+CO2
0 answers
492 views
A man was given $x. He spent 50 cents a day. How much money had he left after
A) 10 days? B) 2 weeks? C) t days?
1 answer
954 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 -
3 answers
370 views
What are three dominant rhetorical devices in the essay "Where the World Began" by Margaret Laurence?
2 answers
1,566 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
6 answers
506 views
If f(x) = 3x^(ln(x)), find f'(10)
0 answers
879 views
Let f(x) = 2ln(cosx), find f''(x)
1 answer
384 views
Find the derivative of y = (ln(2x))/2x
1 answer
287 views
Find the derivative of y = (ln(3x))^4
1 answer
565 views
Solve for x in the equation ln(16-12x)-2lnx = ln4
1 answer
561 views
Solve for x in the equation ln(16-12x)-2lnx)= ln4
1 answer
1,218 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
0 answers
305 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 answer
427 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
2 answers
1,981 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 answer
729 views
What word is being modified by the prepositional phrase?
The monkeys ran from the sound of humans? Is it sound?
4 answers
467 views
how many combinations can you get with 18 flavors of ice cream and 70 toppings?
0 answers
323 views
find two point the perpendicular bisector of line AB. verify your results by showing each point is equidistant from A and B.
1 answer
656 views
How do I record this transaction? Sold inventory on account for $500, cost of merchandise sold was $300. (Record the sale first
0 answers
626 views
In a lab experiment, we experimented with 1% glucose solution and Sorenson's solution to determine pH levels and whatnot; the
2 answers
547 views
A ball on the end of a string is whirled around
in a horizontal circle of radius 0.486 m. The plane of the circle is 1.83 m above
1 answer
1,190 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
0 answers
485 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.
0 answers
498 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
3 answers
727 views
The denominator of a fraction is greater than its numerator by 9. If 7 is subtracted from both its numerator and denominator,
3 answers
2,374 views
In the following sentence is there a direct object or a predicate adjective?
Sometimes I feel nervous before a game.
1 answer
400 views
A satellite moves in a circular orbit around
the Earth at a speed of 5.4 km/s. Determine the satellite’s altitude above the
0 answers
659 views
An athlete whirls a 6.6 kg hammer tied to
the end of a 1.2 m chain in a horizontal circle. The hammer moves at the rate of 0.432
1 answer
1,500 views
According to the Guinness Book of World
Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500
1 answer
3,681 views
A 1.62 kg mass attached to a light string
rotates on a horizontal, frictionless table. The radius of the circle is 0.986 m, and
0 answers
525 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 answer
925 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
2 answers
1,347 views
One strategy in a snowball fight is to throw
a snowball at a high angle over level ground. While your opponent is watching this
1 answer
1,625 views
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