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James
Questions and answers by
James
, page 4
Questions (1,466)
I'm not sure how to find the limit of this problem :S
limit as x -> 0+ (cos(x))^(1/x^2)
1 answer
363 views
Write the following equation in standard form and identify the type of conic:
9y^2 - 4x^2 + 8x + 18y + 41 = 0
2 answers
741 views
Prove 3+4+5+...+(n+2) = [n(n+5)]/2 for n>4
Do the first step in a proof by induction.
3 answers
988 views
Oppenheimer Bank is offering a 30-year mortgage with an EAR of 5 3/8%. If you plan to borrow $150,000, what will your monthly
4 answers
3,586 views
A horse pulls a cart with a force of 40lb at an angle of 30 degrees above the horizontal and moves along at a speed of 6mi/hr.
6 answers
2,885 views
A reliable 15-year-old babysitter can be a price maker within her own neighborhood. Suppose that this babysitter wishes to
1 answer
502 views
A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up
4 answers
1,036 views
A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up
3 answers
1,720 views
according to a December 4 hospital census of 100 , what are the total inpatient service days for December 5 ?
2 answers
541 views
Determine whether the graph of the equation is symmetric with respect to the x-axis, y-axis, line y=x, line y=-x, or none of
4 answers
2,714 views
The second angle of a triangle is 3 times as large as the first. The third angle is 55° more than the first. Find the measure
3 answers
952 views
A rectangular Persian carpet has a perimeter of 240 inches. The length of the carpet is 30 inches more than the width. What are
4 answers
1,092 views
I need help finding the vertex of the parabola y=x^2-3x-21
1 answer
319 views
Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water
4 answers
1,399 views
Complete the following table for aqueous solutions of caffeine, C8H10O2N4.
Find: Molality Mass Percent Solvent Ppm Solute Given:
4 answers
2,295 views
Can someone please tell me what the vertex and line of symentry would be for r(x)=-3(x+3)^2.. Thank you
1 answer
303 views
Do I have to register for copyright protection of works of art including writing, photographs and digital images?
1 answer
354 views
Solve algebraically and check
y = x^2 - 3 x + y = -1
3 answers
356 views
x^2 - y^2 = 9
y = 4
1 answer
228 views
solve algebraically
x^2 + y^2 = 16 x - y = 4
1 answer
388 views
A solution is prepared by dissolving 5.00g of an unknown molecular solid in water to make 500 ml of solution. The osmotic
4 answers
1,788 views
If a particle moves in simple harmonic motion with a frequency of 3.00 Hz and an amplitude of 5.00 cm through what total
3 answers
1,967 views
Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the
3 answers
626 views
5x=-15
1 answer
206 views
How many grams of na3po4 will be needed to produce 425ml of a solution that has a concentration of na+ ions of 1.30 M?
4 answers
2,204 views
In 1995, the life expectancy of males in a certain country was 70.1 years. In 1999, it was 73.6 years. Let E represent the
1 answer
484 views
Which of the following changes generally lead to greater reaction rates?
(I)Increasing the temperature (II)Decreasing the
3 answers
595 views
Find the limit L. Then find delta > 0 such that |f(x) - L| < 0.01 whenever 0 < |x-c| < delta.
lim x -> 4 (4- (x/2))
1 answer
399 views
The rate law of a reaction, A-> B+C is given by the expression: Rate=k, where k=0.0113 mol/L min. If the initial concentration
3 answers
568 views
Preparing A Journal Entry. I need help telling whether it's accounts receivable, rent expense, etc. Also determining whether
2 answers
636 views
A model rocket is launched straight upward with an initial speed of 40.0 m/s. It accelerates with a constant upward acceleration
2 answers
555 views
Taylor Swift leaves Philadelphia for a concert in Dallas. Kellie Pickler leaves at the same time, but in a different tour bus.
2 answers
553 views
Using the definition for the Fourier transform, prove that this operation is linear.
1 answer
318 views
I can't figure out the answer to question:
When you subtract -2c+3d from 5c-7d
1 answer
382 views
Mood and tone! can someone kindly and effectively explain the difference.I am lost completely.Help!
1 answer
400 views
evaluate the exprression 90/x for the given values of x to complete the table
x 2 3 5 9 15 18 20
1 answer
381 views
How did the federalists and the Jeffersonian republicans differ in their opinion of how the constitution should be interpreted?
i
1 answer
397 views
Help with writing an outline on renting vs buying
2 answers
502 views
how does socioeconomics and educational opportunity are main reason for health disparities?
1 answer
312 views
"What is the pH of a solution that is 0.50 M in sodium acetate and 0.75 M in acetic acid? (Ka for acetic acid is 1.85 x 10-5)."
W
3 answers
651 views
The Question Is:
"A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration
4 answers
2,181 views
The Question Is:
"A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration
3 answers
1,443 views
"A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH
2 answers
1,201 views
A 1030 kg car is pulling a 360 kg trailer. Together, the car and trailer have an acceleration of 2.07 m/s2 directly forward.
How
3 answers
647 views
The solubility of barium nitrate at 100°C is 34 g/100 g of H2O and at 0°C is 5.0 g/100g of H2O. If you start with 100 g of
4 answers
3,094 views
How many mL of 0.25 M H2SO4 can be made from 50.0mL of 0.50 M H2SO4?
Also in this case, what does the capital M stand fro?
4 answers
821 views
Two children seat themselves on a seesaw, the one on the left has a weight of 400N whlie the one on the right weighs 300N. The
1 answer
1,357 views
Predict the signs of delta H (Enthalpy) and delta S (Entropy) for the evaporation of water at 85 C.
4 answers
1,439 views
Complete exercises 2-1 and 2-2 on pp. 95-98 of Computer Accounting with Peachtree Complete® 2010 using Peachtree.
1 answer
312 views
If m<pqs=3x+13and m<sqt=6x-2,
4 answers
883 views
Find all relative extrema and points of inflection of the function:
f(x) = sin (x/2) 0 =< x =< 4pi =< is supposed to be less than
3 answers
1,715 views
Solve the equation:
2^x^2-4x = (1/16)^x-4
1 answer
329 views
You are working in a lab that has recently discovered a new viral protein. Describe in detail how you could generate a
1 answer
391 views
If current is passed in an electrolytic cell containing sodium nitrate, NaNO3, dissolved in water, what are the products at the
3 answers
877 views
True or False:
A non-spontaneous reaction is converted into a spontaneous reaction in a voltaic cell by the expense of electrical
3 answers
551 views
You are evaluating a proposed expansion of an existing subsidiary located in Switzerland. The cost of the expansion would be SF
3 answers
1,984 views
According to the Cow (2nd sura of Qur’an), Muslims
a) must not be the aggressor in war b) should avoid violence at all cost c)
1 answer
364 views
To conduct a scientific experiment, students need to mix 90 mL of a 3% acid solution. They have a 1% and a 10% soulution
3 answers
1,386 views
Is logic and thinking the same thing. Like could i say His logic and thinking became completely different.
1 answer
325 views
Solve for x:
5x−5>10x+6
1 answer
306 views
A truck traveling at a constant speed of 40.0 km/h applies its brakes and comes to a complete stop in 5.0 s. The truck starts
3 answers
891 views
At what minimum speed must a roller coaster be traveling when upside down at the top of a circle if the passengers are not to
7 answers
3,644 views
The parachute on a race car that weighs
8036 N opens at the end of a quarter-mile run when the car is traveling 39 m/s. The
2 answers
568 views
In a rhombus all angles are right angles.
True or False?
3 answers
712 views
Every Square is a rhombus.
True or False? This one has me confused.
2 answers
868 views
If ∆ ABC ~ ∆ DEF, BC = 12 cm, EF = 10 cm, and AC = 18 cm, find DF.
4 answers
709 views
Suppose the number of customer complaints per day on the morning shift 6-12 noon at Doys is distributed as
# of complaints f(x) 0
1 answer
494 views
Consider all cars that are involved in an accident and assume that all cars are classified as either small or large. The
1 answer
480 views
Simplify. You may use the properties to help. When you type your answer, do not space between numbers and symbols.
(-5a)(3b)(2c)
1 answer
348 views
what is the correct pronoun:
El hombre ____ (el libro) da al joven.
3 answers
1,248 views
Domain of f o g
F(x)=5/x+4 ; g(x)=1/x f(x)=x/x+5 ; g(x)=6/x
1 answer
260 views
Calculate the first, second, and third quartiles of the following samples.
5 8 2 9 5 3 7 4 2 7 4 10 4 3 5 23
2 answers
971 views
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of
2 answers
703 views
I have to order these steps that a CSI would do upon arrival of scence.
1. Look for identification on the body. 2. Notify the
2 answers
645 views
What factors may contribute to the differences in GDP per capita in the areas of the world in places like Europe which is high
4 answers
611 views
3 H2 (g) + N2 (g) --> 2 NH3 (g)
How many liters of ammonia gas can be produced from 10.0 L of N2 and 20.0 L of H2? Assume all
4 answers
2,534 views
A transverse wave is traveling with a speed of 500 m/s on a horizontal string. If the tension in the string is increased by a
1 answer
415 views
A solution contains 3.75g of nonvolatile pure hydrocarbon in 95g acetone. The boiling points of pure acetone and the solution
6 answers
3,968 views
3 H2 (g) + N2 (g) --> 2 NH3 (g)
How many liters of ammonia gas can be produced from 10.0 L of N2 and 20.0 L of H2? Assume all
2 answers
981 views
Find the center of the radius
(x+2)^2 +y^2=64
1 answer
273 views
Heres the following question:
Evaluate: (14 3) How would i do this problem? Note: The 14 is on top of the 3.
1 answer
389 views
Which is correct?
1. What did you do on the winter break? or 2. What did you do on winter break? I believe #2 is correect because
3 answers
446 views
A 16-kg child sits on a 5-kg sled and slides down a 143-meter, 30-degree slope, to the nearest m/s what is his or her speed at
4 answers
677 views
A woman pushes a lawn mower with a con-
stant force of 112 Newtons at an angle of 37degrees with respect to the horizontal. The
3 answers
2,287 views
In the 1950’s, an experimental train that had a mass of 41000 kg was powered across a level track by a jet engine that
2 answers
583 views
Calculate the speed of an 7.8×104 kg airliner with a kinetic energy of 1.0 × 109 J.
Answer in units of m/s.
2 answers
1,305 views
Two skaters are in the exact center of a circular frozen pond. Skater 1 pushes skater 2 off with a force of 100 N for 1.4
1 answer
988 views
A student stands on a scale in an elevator that is accelerating at 2.8m/s^2. If the student has a mass of 94 kg, to the nearest
2 answers
681 views
You are boating and heading directly west. The speed of the boat in still water is 36 mi/h. The river flows directly north at 15
3 answers
502 views
A roster contains the names of 12 students from the School of Math, Science and Engineering (MSE) and 8 students from the
1 answer
494 views
Here's another tricky probability question.
A soccer player scores an average of 3 goals per game: a) What is the probability
1 answer
499 views
A family goes on vacation an average of three times every 8 years.
a. What is the probability that they will have 4 vacations in
1 answer
354 views
A 32-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic
1 answer
466 views
The following reaction has a standard enthalpy of reaction of -146.0 kJ/mol:
Cu2O(s) + 1/2 O2(g) -> 2CuO(s) The standard enthalpy
1 answer
798 views
A 1500 kg car is turning around an arc of radius 20 m at a constant speed of 30 mph without slipping. What is the friction force
1 answer
361 views
rationalize the denominator. Simplify. write final answers is standard form (a+bi).
(4-5i)/(2-7i)
1 answer
471 views
convert the radical to rational exponent form.
-7Radical(a+b)
3 answers
593 views
A deli sells 30 salads for every 48 sandwiches. At this rate, how many salads will they sell for every 64 sandwiches?
3 answers
445 views
A hollow steel tube, 4 m long, has walls 5 mm thick and is open at each end. if the outer diameter is 41 cm, what's the inner
4 answers
599 views
Solve for the missing piece of the equation and rewrite the equation.
y = mx - 16 (17,8)
1 answer
361 views
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