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A 1.11 kg toy train rolls around a circular horizontal track. If the train has an angular acceleration of -2.2 rads/s2 and is
1. 1 answer
2. 1,039 views
A 51.6 g box is left 17.8 cm from the centre of a merry-go-round. If the box has coefficients of friction of μs = 0.790 and μk
1. 0 answers
2. 545 views
naturally occurring boron is 80.20% boron 11 (atomic mass= 11.01amu) and 19.80% of some other isoptopic form of boron. what must
1. 2 answers
2. 1,605 views
A plane can fly 500 miles against the wind in the same amount of time that it can fly 775 miles with the wind. If the wind speed
1. 1 answer
2. 1,494 views
A man walks the distance of 8km in a direction of 20degrees east the walks another 6km in a direction 50degrees south east.
1. 2 answers
2. 891 views
What happens to centripetal force when speed decreases, in the special case that the object continues moving in a circle of the
1. 1 answer
2. 718 views
Why does "banking" or (tilting) a turning road create centripetal force?A) Because banking the corner keeps car from going too
1. 2 answers
2. 1,114 views
Ximena stands near the edge of a cliff 20 ma bove her friend Javier. If she throws a ball to Javier at an angle = 30 below the
1. 0 answers
2. 475 views
Two kittens are running toward each other, one is named Chloe and the other is named Luna. Chloe runs at a speed of 2.80 m/s and
1. 1 answer
2. 958 views
You are walking a dog when the dog sees a cat and runs away from you. You immediately run after the dog at 4.90 m/s. You jump at
1. 1 answer
2. 1,451 views
A box of mass m slides down an inclined plane that makes an angle of φ with the horizontal. If the coefficient of kinetic
1. 1 answer
2. 1,705 views
If C⃗ = -5 i^ - 3 j^ - 4 k^, what is C⃗ × j^?
1. 1 answer
2. 549 views
which neighborhood in chicago did cisneros live in from the house on mango street
1. 1 answer
2. 571 views
How do you figure the height of a cube is the cubic inches if 750?
1. 1 answer
2. 434 views
At the medal presentation, each person shook hands with every other person. If 10 handshakes took place, how many people were
1. 1 answer
2. 546 views
Why is it that copper (II) sulfate with barium hydroxide --> copper hydroxide (solid) + barium sulfate (solid)? According to the
1. 3 answers
2. 973 views
Why is it that copper (II) sulfate with barium hydroxide --> copper hydroxide (solid) + barium sulfate (solid)? According to the
1. 1 answer
2. 769 views
If a 12v battery is in a circuit with two resistors. r1 and r2. R2 is 60ohms. A voltmeter measuring on either side of r2 gives a
1. 1 answer
2. 635 views
QUESTION 1When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first
1. 0 answers
2. 876 views
QUESTION 1When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first
1. 1 answer
2. 882 views
rose asked katie do you know how to change a flat tire
1. 1 answer
2. 465 views
isoceles triangle with vertex of 45 degrees, base angles are 67.5 degrees. The 2 legs are 10' in length. What is the length of
1. 1 answer
2. 577 views
The population of a colony of frogs under ideal condition double every 10 days. Solve the the equation 2 raised to the power of
1. 1 answer
2. 461 views
Part 1A firm has the current liabilities and equity financing on its balance sheet. The firm has taxable income that puts it in
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2. 718 views
What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide?
1. 5 answers
2. 4,001 views
Question PartPoints Submissions Used It has been determined that the body can generate 5500 kJ of energy during one hour of
1. 1 answer
2. 684 views
If you produce 3.5 moles of H2, how many moles of aluminum did you use in the reaction?
1. 2 answers
2. 414 views
Parallelism can be defined as________.
1. 1 answer
2. 549 views
Driving down Highway 401 in Ontario, it had rained and stopped raining by the time I came to thefreezing rain on the highway. I
1. 1 answer
2. 665 views
Nicole is late for work. She jumps in her car and drives to work in 3.5 minutes. Her work place is 3.85 km away from her house.
1. 1 answer
2. 531 views
Juliet sits on her balcony while Romeo serenades her from the ground, 7.00m below. To win Juliet’s affection, Romeo throws
1. 1 answer
2. 665 views
Gary and Elaine are competing as a team in an orienteering event. They follow instructions telling them to go 50 m [N], 75 m
1. 1 answer
2. 543 views
Biophysics strikes backThe Biophysics students are having their usual Saturday night biophysics party performing physics
1. 1 answer
2. 640 views
Mrs. Rodrigues was selling two kinds of raffle tickets for $1.50 and $3.50. The number of $1.50 tickets sold was 5 more than
1. 3 answers
2. 2,081 views
Mrs. Rodrigues was selling two kinds of raffle tickets for $1.50 and $3.50. The number of $1.50 tickets sold was 5 more than
1. 1 answer
2. 886 views
William recently inherited a large sum of money; he wants to use a portion of this money to set up a trust fund for histwo
1. 1 answer
2. 805 views
A bolt is ordered with a thread of a diameter of 1.25 inches, what is the diameter in millimeters? If the order was mistaken for
1. 0 answers
2. 602 views
2 similar rectangles have areas of 6in and 24 in. What is the scale factor of the smaller rectangle to the larger rectangle?
1. 2 answers
2. 2,062 views
The volume of a pyramid with a square base is given by the expression 1/3s square h, where she is the length of a side of the
1. 3 answers
2. 1,788 views
Find all real and complex roots and type complex answers in the form a+bi.x^4-9x^2+20=0
1. 1 answer
2. 368 views
(a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is UsainBolt’s speed? (b) The
1. 2 answers
2. 800 views
(a) A magazine article states that cheetahs are the fastest sprinters in the animal world and thata cheetah was observed to
1. 0 answers
2. 644 views
A biophysics student measures her reaction time by having a friend drop a meterstick between herfingers. The meterstick falls
1. 1 answer
2. 690 views
There are 180 days of school; 40 weeks.You have a six day cycle in your schedule. You have health twice a cycle (2 days out of 6
1. 5 answers
2. 482 views
Alloys of copper and zinc are used to produce brass. Why do these elements not react in this application?
1. 1 answer
2. 470 views
2cos^2(theta) + Sin(theta)=1I know I have to use the quadratic formula but i'm having trouble after I convert the Cos^2(theta)
1. 1 answer
2. 502 views
I have a precalculus test tomorrow and I've been studying nonstop for the past few days but I've been struggling because it has
1. 1 answer
2. 643 views
An aqueous solution ofKF is add dropwise to an aqueous micture containing 0.25M Ca2+ and 0.75M Mg2+ calcuate the minimum
1. 0 answers
2. 582 views
Simplify the following exponents.(3x^ay^bz^c)(-y^fz^g)
1. 1 answer
2. 551 views
Simplify the following exponents.(3m^2n^7/m)^5
1. 1 answer
2. 412 views
A share of ABC stock was worth $60 in 2005 and only worth $45 in 2010.Find the multiplier and the percent decrease.
1. 2 answers
2. 2,892 views
a norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. find the dimensions of a
1. 1 answer
2. 1,168 views
20,500 gallons of kerosene spill into a banked up area that measure 20 foot x 10 foot how long will the fire last it is left
1. 3 answers
2. 759 views
The Romance World Cruise Line provides special gifts for passengers who are newlyweds, as well as for those who have been
1. 1 answer
2. 903 views
At a firing range, a target is placed 300 m from where someone is firing a rifle. The muzzle speed of this rifle is 700 m/s. If
1. 1 answer
2. 652 views
The velocity v of a fluid flowing in a conduit is inversely proportional to the cross- sectional area of the conduit.( Assume
1. 1 answer
2. 1,566 views
The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed,
1. 2 answers
2. 1,675 views
here are a few people in line waiting to be served. You are taking care of one customer and she insists you gave her the
1. 1 answer
2. 473 views
here are a few people in line waiting to be served. You are taking care of one customer and she insists you gave her the
1. 1 answer
2. 540 views
here are a few people in line waiting to be served. You are taking care of one customer and she insists you gave her the
1. 1 answer
2. 486 views
A ball is thrown straight up from the edge of the roof of a 60.0 m tall building. If a second ball isdropped from the roof 2.0 s
1. 1 answer
2. 1,151 views
For f(x)=(1-x)/(1+x) and g(x)=x/(1-x) , find the simplified form for f [g(x)] and state the domain
1. 4 answers
2. 5,564 views
Use the table below to evaluate d/dx [f[g(2x)]] at x = 1x 1 2 3 4 f(x) 6 1 8 2 f '(x) 6 1 8 2 g(x) 1 4 4 3 g '(x) 9 5 5 -4
1. 0 answers
2. 992 views
Which of the following functions is continuous at x = 5? I put a for my answer, could someone please check this?a.
1. 1 answer
2. 1,751 views
Which of the following statements is/are true?I.If f '(c) = 0, then f has a local maximum or minimum at x = c. II.If f is
1. 2 answers
2. 1,494 views
The function's value will always be greater than or equal to the local linear approximation of a function f if, for all x in an
1. 3 answers
2. 1,637 views
The function's value will always be greater than or equal to the local linear approximation of a function f if, for all x in an
1. 1 answer
2. 1,192 views
Maya made a sign with area of 48 square centimeters. Use a centimeter grid paper to draw a shape that shows what her sign could
1. 8 answers
2. 2,057 views
1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the
1. 2 answers
2. 1,553 views
Scores on the Scholastic Aptitude Test form a ND with a mean of 500 and SD of 100 what is the minimum score necessary to be in
1. 0 answers
2. 595 views
Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 3x^(1/3) + 6x^(4/3). You must
1. 1 answer
2. 1,106 views
The position function of a particle in rectilinear motion is given by s(t) s(t) = t^3 - 9t^2 + 24t + 1 for t ≥ 0. Find the
1. 1 answer
2. 1,151 views
The table below shows the temperature (in °F) t hours after midnight in Phoenix on March 15. The table shows values of this
1. 1 answer
2. 4,489 views
Find f'(x) for f(x) = ln(x^3 + e^(4x)).I got(4e^(4x)+3x^2)/(e^(4x)+x^3) Is that right?
1. 1 answer
2. 324 views
Find f'(x) for f(x) = sin3(3x2).
1. 3 answers
2. 2,016 views
Given Perimeter of triangle is 26 inches.Side A is 3 inches longer than B. Side C is 1 inch shorter than twice side B
1. 1 answer
2. 559 views
A monopoly has a total cost functionC = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2.
1. 1 answer
2. 857 views
How do I solve this equation (q+p^2-33p=9) for the point of elasticity in terms of p?Thank you!
1. 1 answer
2. 458 views
a skier decides to ski down a hill inclined at 12 degrees to the horizontal. He pushes on his poles and starts to slide down the
1. 0 answers
2. 537 views
If a ball is launched into the air vertically with a velocity of 20 m/sec, how fast will it be moving after two seconds? (The
1. 1 answer
2. 525 views
Find the elasticity of the demand function:pq = 42 p=$2 My professor went through this lesson really fast and I would appreciate
1. 1 answer
2. 538 views
Find the elasticity of the demand function:pq = 42 p=$2 My professor went through this lesson really fast and I would appreciate
1. 0 answers
2. 434 views
Write the equation of the line tangent to the curvex^2 − 4y^2 + 192 = 0 at (8, 8) Thank You
1. 1 answer
2. 490 views
Beans meal is 16% protein flour meal is 8% protein. How many pounds of each should be mixed together to get 32 pounds mixture
1. 1 answer
2. 437 views
If the total cost function for producing x lamps isC(x) = 90 + 36x + 0.1x^2 dollars, producing how many units will result in a
1. 1 answer
2. 1,818 views
y = (6x^2-6)^4/xI would appreciate it more if work was shown. Thank you (I have the answer but want to know how to do it)
1. 1 answer
2. 366 views
How can derive this function?f(x) = 2/(9x^5+1)^5The answer is The answer is -450x^4/(9x^5+1)^6 Can you please show why? Thank
1. 3 answers
2. 486 views
Three eighths of the cast in a musical have to sing. What fraction of the cast does not have to sing?
1. 1 answer
2. 641 views
how do I calculate the area occupied by one single molecule, given # of molecules per meter^2 (9.6e15), the Molarity? (.1
1. 1 answer
2. 580 views
how much energy (kj/mol) is required to break the hydrogen bond in water (Er=80.0) (Er= Relative permitivity)I'm really not sure
1. 0 answers
2. 564 views
Is it appropriate to use the "we" form and "I" in the same paper?
1. 1 answer
2. 361 views
Zach had to make bracelets for Student Council. He made 10 of them on Monday and 2/5 of them on Tuesday. Zach completed the
1. 0 answers
2. 565 views
How do you sole the problem below?Kevin flies a plane against a headwind for 5600 miles. The return trip with the wind took 10
1. 1 answer
2. 598 views
How long would it take for a ball dropped from the top of a 256-foot building to hit the ground?
1. 2 answers
2. 1,112 views
Yes, it is I again, with yet another math problem. The question is; In a bag, there are 8 white marbles, 8 blue marbles, 7 red
1. 2 answers
2. 811 views
I am in 6th grade but to me, that doesn't matter because I have high hopes for myself. My question is; How many distinct letter
1. 1 answer
2. 591 views
Hamburgers supply and demand puzzle
1. 1 answer
2. 530 views
Find the equation of the line tangent to the function f(x)= square root of (x^3 + 4x) through the point (2,4)
1. 1 answer
2. 596 views
A square piece of cardboard, 24 inches by 24 inches, is to be made into an open box by cutting out each of the four corners.
1. 1 answer
2. 1,462 views
the surface area cost of construction per m^2 for a large box is $50 for the base, $60 for the top and $40 for the walls. Find
1. 1 answer
2. 588 views

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