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Anne
Questions and answers by
Anne
, page 2
Questions (451)
A security analyst specializing in the stocks of the motion picture industry the relation between the number of movie theater
1 answer
674 views
Prove that tan4x=(4tanx-tan^3x)/(1-6tan^2 x+tan^4 x)
*note: the exponents are just numbers. there are no variables in the
4 answers
1,392 views
Solve to the nearest minute: x is greater than or equal to 0 and less than 360.
3sec^2 x-8tan-6=cotx
1 answer
322 views
Is 20.0 mL of 1.0M CH3COOH and 10.0mL of 1.0 M NaOH a buffer solution of 3?
2 answers
488 views
Think of a recently completed group project that you have been involved in. This project may have been a student project, a
3 answers
1,250 views
Which of the following is an example of a ratio?
number of dogs who like Good boy treats number of chocalates per bag number of
1 answer
385 views
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the
2 answers
695 views
Can someone please give me a SIMPLE definition of metabolism. I've seached tons of dictionaries, but they all give a long and
6 answers
656 views
a 25.00 gram sample is placed in a graduated cylinder and then the cylinder is filled to the 50.0 mL mark with benzene. the mass
4 answers
3,858 views
Please tell me which sentence is correct.
Adrian chose him and I for the job. *Adrian chose him and me for the job.
6 answers
481 views
A 11.0 box is released on a 37 incline and accelerates down the incline at 0.25 .What is the coefficient of kinetic friction?
2 answers
560 views
A flatbed truck is carrying a heavy crate. The coefficient of static friction between the crate and the bed of the truck is
3 answers
1,571 views
A carton lies on a plane tilted at an angle theta 29 degrees to the horizontal, with a friction of uk .12.If the carton starts
2 answers
1,246 views
For my question about the carton's speed must I do each step you laid out or just the last one? I got the wrong answer. Thanks
3 answers
313 views
A 11.0 box is released on a 37 incline and accelerates down the incline at 0.25 .What is the coefficient of kinetic friction in
1 answer
471 views
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of snow at the ridge of a roof
3 answers
1,386 views
Part B
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of snow at the ridge of a
2 answers
1,073 views
Part C
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of snow at the ridge of a
2 answers
530 views
For the question about friction force impeding motion. I'm sorry I tried what you wrote and did not get the correct answer. Its'
1 answer
445 views
My answer for this question A 11.0 kg box is released on a 37 degreesincline and accelerates down the incline at 0.25 m/s^2.
1 answer
286 views
When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value
2 answers
721 views
When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value
2 answers
648 views
find the reaction quotient: partial pressures are: p of N2=.903, P of H2=.888, P of NH3=.025
1 answer
344 views
find the reaction quotient: partial pressures are: p of N2=.903, P of H2=.888, P of NH3=.025
1 answer
365 views
As you approach the I-90 exit in your uncle's little red sports car convertible, you happen to notice a cat crossing the road.
2 answers
661 views
Suppose you are standing in the aisle of a bus traveling along a straight road at 100km/h, and you hold a pencil still above
4 answers
1,898 views
Consider the combustion of propane (C3H8) in the presence of oxygen:
C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to
2 answers
939 views
If you add acid or base to a buffer, how will the pH change.
4 answers
1,606 views
A non-profit hospital's asset definition is >$1500, but they want to buy 10 chairs at $200 each - for a total purchase price of
1 answer
373 views
If India had a population of 1.05 billion in 2002 with a steady growth rate of .9%, when would its population reach 4.2 billion?
1 answer
341 views
I don't understand how to find the aproximate area of a shaded region
This problem has a big cirlce with 1/4 shadded with a
4 answers
446 views
Find the slope of the secant line on f joining the points at x = e and x = 2e.
3 answers
829 views
4. The use of technology such as telephones and computers means that money exchanges and other financial transactions can be
a.
4 answers
1,285 views
A 11 kg object and a 19 kg object are connected by a massless compressed spring and rest on a frictionless table. After the
2 answers
891 views
Use a ruler to create a 6" x 8" rectangle. Cut rectangle on a diagonal. Use the two triangles to create four new shapes. List
4 answers
876 views
If an alcohol solution has a pH of 5 would it be a primary, secondary or tertiary alcohol or a phenol?
3 answers
2,433 views
Any info about Liberals and conservatives?
(mexico history)
4 answers
445 views
I need to find the inverse function of f(x)=sqrt(x^2+2x), where x>o
This is as far as I got: x=sqrt(y^2+2y) How in the world am I
3 answers
666 views
Write the reversible equation for the esterification and hydrolysis of glyceryl ethanoate
3 answers
1,727 views
What is the substrate of the enzyme amylase?
1 answer
452 views
2 trains with 132Hz horns approach one another. The slower train has a speed of 25m/s. what is the speed of the fast train if an
1 answer
458 views
Opera Mobile is an example of: a smartphone. a wireless ISP. SmartMedia. a microbrowser.
3 answers
357 views
Psychology and Health Problems Paper
3 answers
457 views
How do I find Period T(s) and Period^2 T^2 (s^2), given mass(kg) = 0.1 and Average time for ten vibrations (s) = 5.05?
1 answer
316 views
A. How many protons are in one atom of fluorine - 19?
B. How many neutrons are in one atom of potassium - 39? C. How many
2 answers
1,126 views
At Andrews sweet shop almond fudge costs $5.23 per pound, and vanilla fudge costs $4.17 per pound. Allison buys 0.75 pound of
2 answers
808 views
A 18 kg child slides down a 4.0 m-high playground slide. She starts from rest, and her speed at the bottom is 2.8 m/s. What is
4 answers
4,479 views
In a physics lab experiment, a spring clamped to the table shoots a 18 g ball horizontally. When the spring is compressed 20 cm,
2 answers
811 views
12(x-6)=2(x-9) x equals?
1 answer
317 views
A car passes by a certain point at t = 0 hours heading east at 40 miles/hour. At t = 1 hour, another car passes by the same
2 answers
609 views
What would I use before etait in this statement ?"Nous avons beaucoup aime notre sejour en France . ..... etait splendide."
1 answer
474 views
What are the ways of getting acquainted?
4 answers
419 views
A woman rides a carnival Ferris wheel at radius 16 m, completing 4.2 turns about its horizontal axis every minute. What are (a)
2 answers
797 views
Cos(2x+30)-Sin(3x-20)
1 answer
422 views
A state's lottery winner is promised $200,000 a year for 3 years(starting at the end of the first year). Interes rate is
4 answers
1,105 views
What is the freedom from prior restraint?
1 answer
356 views
Zachary saved x nickels and y dimes last month. Lily saved x nickels and 2y dimes. Lily saved $2 more than Zachary and the total
4 answers
1,526 views
2 pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to
4 answers
1,487 views
Could someone help me with this-we learned this today in school but I'm not getting it now that I'm home with my homework-I have
2 answers
1,039 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger
1 answer
939 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger
1 answer
464 views
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 x 10^11 m apart. The
2 answers
718 views
Complete the following identity secx-1/secx=? I have four multiple choice options and can't seem to work my way to either one.
4 answers
680 views
While you sleep, your body is using energy at a rate of 77 W. How many food calories are used during an eight hour period? One
4 answers
3,958 views
A dam blocks the passage of a river and generates electricity. Approximately 57,000 kg of water fall each second through a
4 answers
2,598 views
A dam blocks the passage of a river and generates electricity. Approximately 57,000 kg of water fall each second through a
2 answers
655 views
A car is being driven along a country road on a dark and rainy night at a speed of 20 m/s. The section of road is horizontal and
5 answers
1,918 views
A student placed 10 g of Mg(OH)2 into a flask and added 500ml of water. The student took 100 ml of the Mg(OH)2 solution and
2 answers
598 views
A thin uniform rod is rotating at an angular velocity of 6.7 rad/s about an axis that is perpendicular to the rod at its center.
1 answer
949 views
The drawing shows a model for the motion of the human forearm in throwing a dart. Because of the force applied by the triceps
2 answers
1,202 views
Assume that the earth is a uniform sphere and that its path around the sun is circular.
a) Calculate the kinetic energy that the
2 answers
578 views
in sentence form using one variable and one equation/inequality solve:
sue makes $15/hour tutoring and averages $10/hour
1 answer
353 views
1) A strong search strategy for a search engine would include which of the following?
A. Using quotation marks, hyphens, and
3 answers
469 views
In 0.780 s, a 6.50-kg block is pulled through a distance of 3.85 m on a frictionless horizontal surface, starting from rest. The
1 answer
1,036 views
A bungee jumper, whose mass is 83 kg, jumps from a tall platform. After reaching his lowest point, he continues to oscillate up
1 answer
1,143 views
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is
3 answers
1,611 views
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m
1 answer
1,148 views
A 63.0-kg bungee jumper is standing on a tall platform (h0 = 45.8 m). The bungee cord has an unstrained length of L0 = 9.18 m
2 answers
1,010 views
A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.08 s. How much longer should
4 answers
2,522 views
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is
1 answer
638 views
using 100 ft of fence material and building a regular octagon garden, what is the area of the garden?
1 answer
354 views
simplify
x^5-x^3+x^2-1-(x^3-1)(x+1)^2/(x^2-1)^2
1 answer
350 views
find all x-intercepts of the given function f. f(x)=3x+10�ã(x) -8
1 answer
372 views
find a quadratic function that fits the set of data points.
(1,4), (-1.6), (-2,16) what did i do wrong, i got -2x^2-x+7
2 answers
580 views
find the equilibrium point for the demand and supply functions
D(p)=79-8p and S(p)=37+6p, where p is the price, in dollars, D(p)
1 answer
823 views
complete the square to write each function in the form f(x)=a(x-h)^2+k
f(x)=2x^2-20x-3
2 answers
859 views
without graphing, find the vertex, the azis of symemtry, and the maximum value or the minium value.
3 answers
323 views
how do I solve F = 5/9 (F-32) ?
3 answers
285 views
A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen,
a
3 answers
900 views
A foundry releases 6.0 U.S. tons of gas into the atmosphere every day. The gas mixture contains 2.5% sulfur dioxide (SO
3 answers
484 views
Two charges, -15 and +4.5 µC, are fixed in place and separated by 2.8 m. At what spot along a line through the charges is the
1 answer
747 views
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2
1 answer
817 views
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2
3 answers
2,315 views
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at
4 answers
13,424 views
Three point charges, -6.35 10-9 C, -8.20 10-9 C, and +7.75 10-9 C, are fixed at different positions on a circle. The total
1 answer
839 views
I have 100 feet to surround three sides of a rectangle. What is the largest area that I can enclose?
1 answer
426 views
I have a question on thin layer chromatography (TLC).
My mobile phase (i.e. developing solvent) is a mixture of 2 non-polar
2 answers
522 views
In a thin layer chromatography (TLC)experiment,the TLC plate was pre-developed in the development chamber containing the mobile
2 answers
530 views
A capacitor is constructed of two concentric conducting cylindrical shells. The radius of the inner cylindrical shell is 2.35
3 answers
787 views
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see
4 answers
1,899 views
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