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Adam
Questions and answers by visitors named
Adam
, page 3
Questions (650)
Find f'(7) for f(x)=6x^ln(x)
2 answers
664 views
A boulder with a mass of 2,500 kg on a ledge 200 m above the ground falls. If the boulder's mechanical energy is conserved, what
5 answers
1,683 views
What is the Mechanical energy of a 500-kg roller-coaster car moving with a speed of 3 m/s at the top of a hill that is 30 m
1 answer
694 views
Evaluate.
The integral of (e^5x)(sin6x)dx
4 answers
503 views
First make a substitution and then use integration by parts to evaluate.
The integral of (x^9)(cos(x^5))dx What do you substitute
2 answers
556 views
Evaluate
The integral from 0 to 5 of (t)(e^-t)dt. I got -5e^-5+-e^-5, but this is incorrect.
1 answer
307 views
The limit from x--> infinity of x^(3/x)
i keep getting 3/infinity, which is infinity and this answer is incorrect.
1 answer
375 views
First make a substitution and then use integration by parts to evaluate.
The integral of (x^9)(cos(x^5))dx What do you substitute
2 answers
845 views
Evaluate the integral:
the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
1 answer
404 views
Evaluate the integral:
the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
1 answer
963 views
the integral 49dx/x^2(x^2+36)^(1/2)
1 answer
248 views
A barbell is mounted on a nearly frictionless axle through its center. The low-mass rod has a length d = 0.27 m, and each ball
4 answers
2,630 views
An electrochemical cell is created using gold and magnesium half-cells.
a. Determine which half-cell will undergo oxidation and
4 answers
828 views
How many moles are in 1.64 g hclo
1 answer
357 views
Functions of the same famil have the same... (?) Can someone help with the answer??
3 answers
284 views
I just need help with changing the order of integration. I can do the actually integral by myself. Thank you :)
int f(x,y) dydx
5 answers
482 views
5. What are the dimensions of the lightest open-top right circular cylindrical can that will hold a volume of .8L?
2 answers
804 views
What is the whole point of using solvent pairs for recrystallization(say a mix of ethanol and water) rather than just using one
2 answers
544 views
I need a graph for y = 3 - 4cos pi/5(x - 1)
4 answers
332 views
How do you contract aids
3 answers
863 views
Could someone help me with these problems;
A)If 5.97mL of a solution of NaCl contains 2.54g of sodium ion, what is the molarity
4 answers
3,188 views
Please help with this question:
B) Combustion analysis of a 22.0-mg sample of the painkiller morphine produced 13.2 mg of water.
2 answers
569 views
Hi, could someone help me with these calculations for my lab;
Given: Volume of vinegar analyzed:5 mL Con'c of NaOH: 0.09890M Avg.
2 answers
643 views
Thanks for your help; I am still have a few problems, could you check my work:
Given: Volume of vinegar analyzed-5mL Con'c of
1 answer
977 views
Solve.
(7+u)(3u-1)=0 (If there is more than one solution, separate them with commas.)
6 answers
3,316 views
Graph the parabola
x^2+8x-5y+21=0
6 answers
379 views
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning.
5 answers
2,111 views
The point (-4.3) lies on a circle whose center is at (2,1). Find an equation of this circle.
4 answers
629 views
What is the emf of a battery with a 0.15 Ω internal resistance if the battery delivers 1.5 A to an externally connected 5.0 Ω
2 answers
578 views
Need help on how to actually do the rise/run and equations to figure out the anxwer to "What do you call a duck that steals?"
11 answers
429 views
Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is
1 answer
471 views
Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is
2 answers
564 views
Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is
2 answers
871 views
A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his
1 answer
378 views
A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his
1 answer
394 views
Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X
represent the number of successful
1 answer
762 views
It is known that an exam scores of students in STAT 2507 follow a normal distribution with a mean
of 70% and a standard deviation
2 answers
990 views
Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X
represent the number of successful
2 answers
852 views
A charge of .250 C moves vertically in a field of .500 T that is oriented some angle from the vertical. If the charges's speed
1 answer
331 views
A charge of .250 C moves vertically in a field of .500 T that is oriented some angle from the vertical. If the charges's speed
4 answers
439 views
Suppose that the proportion of students who used the Internet as their major resource for school in the past was 66%. A sample
1 answer
465 views
Suppose that the proportion of students who used the Internet as their major resource for school in the past was 66%. A sample
1 answer
860 views
A computer supply house receives a large shipment of blank CDs each week. Past experience has shown that the number of flaws per
2 answers
580 views
A firm has forecasted sales of $3,000 in April, $4,500 in May and $6,500 in June. All sales are on credit. 30% is collected the
3 answers
1,763 views
A research manager at Coca-Cola claims that the true proportion, p, of cola drinkers that prefer
Coca-Cola over Pepsi is greater
2 answers
832 views
Suppose you took 1000 random samples of size 200 from the Poisson distribution
with u = 5 and computed a 90% confidence interval
1 answer
453 views
I missed one day of class and now i cannot figure this out... I thought that price and YTM relied on each other and now I have a
1 answer
455 views
The Kb for butylamine is 5.9x10^-4. What is the Ka for its corresponding conjugate acid, butylammonium?
I really need help with
1 answer
431 views
Initially, there are 33 moles of A and 0 moles of B. How many moles of A and B will be present after the system reaches
5 answers
643 views
We can treat the equilibrium constant as the ratio of the forward rate constant, kfwd, with respect to
the reverse rate constant,
1 answer
428 views
Estimate to the nearest integer.
Square root of 40.
1 answer
386 views
144 squared is rational right?
1 answer
359 views
What is the acceleration of a proton moving with a speed of 4.3 m/s at right angles to a magnetic field of 2.1 T?
1 answer
313 views
A ball is hit straight up initially with the felocity of47 ft per second The height(h) of the softball in ft above ground
1 answer
397 views
what is the product when 2-methylbutanal is treated with cold base?
1 answer
725 views
3) The chemical formula for ethylene glycol (antifreeze) is C2H6O2 and Isopropyle alcohol is C3H7OH. Calculate the new boining
4 answers
802 views
How would you integrate
18x-33/√(3x^2-11x+6)
1 answer
325 views
Solvetriangle ABC:
a= 12.2 c= 7.8 B= 63.5 degrees
1 answer
300 views
Solve triangle SSA:
A= 78 degrees, a= 30 b= 61
1 answer
417 views
Solve triangle ABC:
B= 60 degrees, C= 90 degrees a= 4 feet
1 answer
387 views
If tan theta= 3 and Pi<theta<3Pi/2,
find cos theta. Pi=3.141592654
1 answer
414 views
2cos[x-pi/8]-sqrt2=0
Pi=3.141592654
1 answer
431 views
2cos^2theta-3costheta+1=0
inerval [0,2Pi)
3 answers
477 views
a piece of copper at 120 degrees celsius has exactly twice the mass of another piece of copper at 40 degrees celsius. The two
2 answers
747 views
A few drops of AgNO3 is added to a sample of the unknown. A white precipitate appears. Which ion is present?
2 answers
867 views
Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is
2 answers
818 views
Which of the following is the strongest oxidizing agent in acidic solution?
DATA: Ba2+(aq) + 2 e¯ ---> Ba(s); Eo = - 2.91 V
3 answers
657 views
Find the radius and center of the circle which passes through the points (-2,3), (0,-3), (4,-3).
1 answer
373 views
A voltaic cell is based on the following two half reactions:
Fe2+(aq) + 2 e¯ ---> Fe(s); Eo = -0.44 V Cu2+(aq) + 2 e¯ --->
3 answers
1,228 views
How do I factor 4x+12??
1 answer
320 views
Solve: (x-3)^2= -4
1 answer
279 views
Solve: (x-3)^2= -4
3 answers
275 views
How calculate concentration by using molecular weight.
1 answer
308 views
River Current A boat can travel 36 miles upstream in the same time that it can travel 54 miles downstream. If the speed of the
4 answers
715 views
Which has the greater kinetic energy: a bowling ball that slides down the lane without rolloing, or one of the exact same mass
3 answers
479 views
What is the name for the study of sound. It starts with an e i think.
1 answer
322 views
How do I determine the length and width of a prism that has a height of 3 in, all edges are integers, the numerical values of
1 answer
358 views
Find the interest if $ 9,000 is invested at an annual simple interest rate of 8 % for 3 years. Use the formula I = P × R × T ,
2 answers
946 views
Jill plans to save 1/6 of her salary each week. If her weekly salary is $567.00, how much will she save in four weeks?
(a) $
5 answers
418 views
In mathematical language, Newton's Law of Gravity expresses the force of gravity, F, between two objects in the following way:
F=
3 answers
903 views
11100110101 into base 10, base 8, base 16.
1 answer
330 views
Convert 103 base 16 to base 10.
1 answer
469 views
A charged particle is hanging from the side of a wall by means of an uncharged string. The wall has a negative charge producing
3 answers
525 views
A baseball player hits a baseball into the outfield. The equation h= -0.005x^2 +x+3 give the path of the ball, where (h) is the
3 answers
992 views
Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt.f the price of the jacket was $20 more
7 answers
4,008 views
x is less than or equal to 15
X < or equal to 15
1 answer
323 views
8m ≥ 2(2m +3)
is the answer 8m ≥2(2m + 3)
1 answer
344 views
While riding a Ferris wheel, the rider determines that the Ferris wheel makes 1.5 revolutions per minute.
a) knowing that the
3 answers
1,018 views
Find the future value of a $10,000 investment at 10 % annual interest compounded semiannually for 4 years.
(a) $ 14,000 (b) $
1 answer
384 views
A box of cereal cost $3.59 for 30 oz. Find the unit rate.
7 answers
4,055 views
0.11966667
round to the tenths would it be 0.120
3 answers
328 views
How do you think the founders of the roman republic would have viewed the roman empire
2 answers
744 views
Water is flowing freely from the bottom of a conical tank which is 12 feet deep and 6 feet in radius at the
top. If the water is
2 answers
572 views
what biological model does the egg represent?
stomach it shows what happens to protein iif you put it into an acid.
1 answer
371 views
once the shell has been removed, the next layer of the egg is exposed would represent what specific part of an animal cell.
3 answers
426 views
what is the resistance if a circuit with 120v and 5A
its 24 how do i make a diagram of a circuit based on the info above
4 answers
2,535 views
A half of what John's age was 4 years ago is equal to one third of what it will be in 5 years' time. How old is John now?
2 answers
743 views
a. Write the scientific notation b. Write the result in ordinary decimal notation.
can you do this one so i know how to do the
2 answers
526 views
Soft body parts may be preserved for long periods of time by___
IS IT AMBER
4 answers
758 views
Structures in different animals that have similar functions but are different in evolutionary origin and pattern if development
1 answer
463 views
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