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March 15, 2015
What will happen to the number of moles of SO3 in equilibrium with SO2 and O2 in the following reaction in each of the following
1 answer
asked by
Sally
5,791 views
The circumference of a circle is increasing at a rate of 2pi/5 inches per minute. When the radius is 5 inches, how fast is the
1 answer
asked by
Anonymous
5,314 views
Assuming atmospheric pressure to be 1.01 x 10^5 Pa and the density of sea water to be 1025 kg/m^3, what is the absolute pressure
2 answers
asked by
N.
4,553 views
A conical tank has a height that is always 3 times its radius. If water is leaving the tank at the rate of 50 cubic feet per
2 answers
asked by
Anonymous
3,921 views
A square brass plate is 2 mm thick and has a mass of 1.05 kg. The density of the brass is 8.4 g/cm3. Calculate the length of the
5 answers
asked by
kudu
2,892 views
Let f be a function such that the limit as h approaches 0 [(f(5+h)-f(5))/h]=4. Which of the following must be true?
I. f(5)=4 II.
1 answer
asked by
Anonymous
2,801 views
There are 50 students in a class of which 40 are boys and the rest are girls
the average weight of the class is 44kg and the
4 answers
asked by
priya
2,778 views
An arc AB of length 5cm is marked an a circle of radius 3cm. Find the area of the sector bounded by this arc and the radii from
1 answer
asked by
michelle
2,486 views
Find the equation of the line tangent to y=tan2x at x=pi/8
A. y-1=sqrt(2)(x-pi/8) B. y-1=1/2(x-pi/8) C. y-1=1/4(x-pi/8) D.
1 answer
asked by
Sarah
2,405 views
An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is
A. 2x-y=pi-1 B. 2x+y=pi+1 C. 2x-2y=2-pi D. 4x+2y=2-pi I got A
1 answer
asked by
Sarah
2,288 views
If the limit as x approaches infinity (6x^2/200-4x-kx^2)=1/2, then k=
A. 3 B. -3 C. 12 D. -12 E. -3
2 answers
asked by
Anonymous
2,197 views
In the next questions, a particle is moving along a horizontal line according to the formula:
s=2t^4-4t^3+2t^2-1 a) the particle
2 answers
asked by
Anonymous
2,113 views
If siny=cosx, then find dy/dx at the point (pi/2, pi)
A. -1 B. 0 C. 1 D. pi/2 E. None of these I got C
2 answers
asked by
Sarah
2,068 views
Yoko runs
3 miles in 25 minutes. At the same rate, how many miles would she run in 20 minutes?
1 answer
asked by
kay
2,059 views
Please answer and explain how you received this answer. A cargo van is carrying 20 identical steel cylinders. Each cylinder
5 answers
asked by
nicey
2,005 views
1. Let f be a twice-differentiable function such that f (2) = 8 and f (4) = 5. Which of the following must be true for the
1 answer
asked by
Rachel
1,863 views
"It was a town of red brick, or of brick that would have been red if the smoke and ashes had allowed it; but as matters stood,
4 answers
asked by
Anonymous
1,857 views
What is the difference between little p Progressivism and rogressivism?
8 answers
asked by
Tay B
1,822 views
If f(5)=3 and f'(5)=-2, find the derivative of x^2f(x) at x=5.
A. 0 B. -18 C. -12 D. -20 E. -80 I got D
1 answer
asked by
Sarah
1,821 views
Silver nitrate and aluminum chloride react with each other by exchanging anions as shown below.
3 AgNO3 (aq)+ AlCl3 (aq) →
1 answer
asked by
Anonymous
1,818 views
In the spaces provided, write the vocabulary expression that could replace the underlined words in each sentence without
7 answers
asked by
Ciaria
1,802 views
A cell phone company charges by the minute (and partial minute) for a phone call. Arionna’s plan includes 300 minutes in the
1 answer
asked by
Anonymous
1,780 views
The gravitational forces of the Earth and the Moon are attractive, so there must be a point on a line joining their centers
1 answer
asked by
Physics
1,763 views
The normal (perpendicular) line to the curve y=sqrt(8-x^2) at (-2,2) has slope
A. -2 B. 1/2 C. -1/2 D. 1 E. -1 I got A
1 answer
asked by
Sarah
1,758 views
If f'(x)=sinx and f(pi)=3, then f(x)=
A. Cosx+4 B. Cosx+3 C. -cosx+2 D. -cosx-2 E. -cosx+4
3 answers
asked by
Anonymous
1,721 views
Two cylindrical containers are similar. The larger one has internal cross- section area of 45cm^2 and can hold 0.945 litres of
3 answers
asked by
kudu
1,625 views
when 200 grams of aluminum at 100 degrees celsius is dropped into an aluminum calorimeter of mass 120 grams and containing 150
1 answer
asked by
john ralph
1,517 views
Below is a list of account balances for Currie Hospital as of December 31, 2013. Prepare a balance sheet as of December 31,
1 answer
asked by
JON
1,450 views
The smallest slope of f(x)=6x^2-x^3 for 0 is less than or equal to x is less than or equal to 6 occurs at x=
A. 0 B. 2 C. 3 D. 4
1 answer
asked by
Sarah
1,407 views
If y=3x-7, x is greater than 0, what is the minimum product of x^2y?
A. -5.646 B. 0 C. 1.556 D. 2.813 E. 4.841
1 answer
asked by
Anonymous
1,342 views
area of a sector of a circle of radius 36 cm is 54 pie cm square . find the length of the corresponding arc of the sector
3 answers
asked by
shaikha
1,317 views
air masses that form over land are moist true or false
7 answers
asked by
rezene
1,176 views
Which of the following is true about a trend line for data?
A. The minimum data point always lies on the trend line. B. Every
1 answer
asked by
Anonymous
1,175 views
What is the limit, as x approaches 1, of (sqrt(x) - 1)/(x - 1)?
I need to show work, but I know the answer is 3/2, because I
1 answer
asked by
John
1,134 views
At the beginning of a new school term, a
student moves a box of books by attaching a rope to the box and pulling with a force of
1 answer
asked by
Liz
1,120 views
18 students in the class play baseball.17 students play basketball. 30 students play either or both. select the venn diagram
3 answers
asked by
karia
1,100 views
Let f(x) be a polynomial function such that f(3)=3, f'(3)=0 and f"(3)=-3. What is the point (3,3) on the graph y=f(x)?
A.
1 answer
asked by
Sarah
1,065 views
from the top of a light house 40 m above the water the angle of depression of a small boat is 60 degree .find how far the boat
3 answers
asked by
shaikha
1,064 views
If an angle, x, is in standard position, and P(-3, 4) is a point on the terminal side of the angle, what is the value of sin x?
1 answer
asked by
Jack
982 views
If you take out an $8,400 car loan that calls for 36 monthly payments starting after 1 month at an APR of 9%, what is your
1 answer
asked by
Libby
970 views
Creo que después de terminar el programa de estudios en computación, yo _____ todo lo que necesito para seguir esa carrera.
A.
4 answers
asked by
Ciaria
968 views
Two circles with radii a and b touch each other externally . Let c be the radius of a circle which touches these two circles as
1 answer
asked by
PRANAV
943 views
Given f(x)=x^4(2x^2-15). On what interval(s) is the graph of f concave upwards?
A. (0, sqrt(3)) B. (-sqrt(3), 0) C. (-sqrt(3), 0)
1 answer
asked by
Sarah
916 views
A straight line passes through the point (-1,2) and its distance from the origin is 1 unit. Find the equation
1 answer
asked by
saurav
913 views
Howie Stars produces starts for elementary teachers to reward their students. Howie Stars' trial balance on June 1 follows
"HOWIE
2 answers
asked by
Shraddhya Dubey
897 views
demoivre theorem
(2sqrt3+2i)^5 r=(2sqrt3+2)^2
2 answers
asked by
LK
858 views
CaSiO3(s) +6 HF (g)-> CaF2(aq) + SiF4 (g) + 3 H2O(l)
If a 65.6 g sample of CaSiO3 is reacted in an inert 83 L container at
2 answers
asked by
joe
847 views
What career can I study if I am doing this subject: Mathamatical literacy ,Accounting , Economics And Business studies anyone
3 answers
asked by
matshidiso
836 views
An aqueous solution contains 64g of ethanol( C2H5OH) in 122 grams of solution. The mole fraction of ethanol is:
2 answers
asked by
anon
822 views
If f(x) is a continuous function with f"(x)=-5x^2(2x-1)^2(3x+1)^3 , find the set of values for x for which f(x) has an
1 answer
asked by
Anonymous
803 views
Hi, This is a question on my biology test review that I don't understand. I think the answer is pine trees, but I'm not really
3 answers
asked by
Kaden
802 views
you research the cost of a gallon of gasoline over several years to look for trends the table shows the data you have collected
1 answer
asked by
matt
793 views
∫ tan^2 (x) sec^4 (x) dx
∫ [tan^2 (t) + tan^4 (t)] dt ∫ [1-tan^2 (x)] / [sec^2 (x)] dx Trigonometric integral Please show
2 answers
asked by
Janice
791 views
1.) 100 kJ of heat is added to 600g of zinc at 20 C and 75g of it melts. If the specific heat of zinc is 0.385 kJ/kg-C and it
1 answer
asked by
ella
784 views
Given f(x)=4+3/x find all values of c in the interval (1,3) that satisfy the mean value theorem.
A. 2 B. Sqrt(2) C. Sqrt(3) D.
1 answer
asked by
Sarah
778 views
Two horizontal forces Upper F1 Baseline and F2 act on a 3.6 kg disk that slides over frictionless ice, on which an xy coordinate
0 answers
asked by
patrick
768 views
2) According to psychoanalytic theory:
A. behavior is the result of operant conditioning. B. crime is the result of positive
1 answer
asked by
breeamberr
760 views
Como me gusta estar al aire libre y hacer ejercicio, creo que me gustaría seguir una carrera como _____.
A. científico de
3 answers
asked by
Ciaria
729 views
A 55 grams copper calorimeter contains an unknown mass of water at 18 degrees celcius. When 755 grams of alloy at 100 degrees
0 answers
asked by
john ralph
718 views
Suppose a reaction has the equilibrium constant K = 2.3 10-7 at a particular temperature. Will there be a large or small amount
0 answers
asked by
andy
709 views
A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true?
A. f'(1)=0 B. f' exists at x=1 C.
0 answers
asked by
Anonymous
676 views
Hello
I want to ask several questions about Lowry and Biuret method. 1. Lowry Reagent C are prepared freshly. Why? 2. Why Folin
0 answers
asked by
Angora
673 views
f(x)=x^n , where n is a positive integer greater or equal to 2. The graph of f(x) will have an inflection point when n is
A. Even
2 answers
asked by
Anonymous
661 views
Asha, Nangila and Cherop contributed shilling 60,000,shilling 85,000 and shilling 105 000 respectively. They agreed to put 25%
0 answers
asked by
kudu
660 views
A conical tank has a height that is always 3 times its radius. If water is leaving the tank at the rate of 50 cubic feet per
0 answers
asked by
Anonymous
650 views
Q. Pete wants to buy a stack of clothing that totals $200. The sales tax is 6% if you add tax to his total bill, what is Pete's
5 answers
asked by
Destinee
649 views
1. What is the kinetic energy of a 0.50 g insect traveling in a straight line at 5.0m/s?
a. 6.25j b. 1.25j c. 5.0j d. 250j Is the
1 answer
asked by
N.
648 views
What's third person point of view?
2 answers
asked by
My name :)
642 views
Algún día tendrás que _____.
A. seguir una carrera B. ganarte la vida C. graduarte del colegio D. All of the above A or D ?
4 answers
asked by
Ciaria
630 views
A farmer has 100metres of fencing from which to build a rectangular chicken run. He intends to use two adjancent walls for two
1 answer
asked by
Anonymous
630 views
A cord AB of length 4cm divides a circle of radius 3.3cm into two segments.find the area of each segment.
1 answer
asked by
michelle
615 views
a) calculate the concentration of your unknown (Gatorade) using correct units Note if you did not run the Gatorade use
1 answer
asked by
mathew
615 views
In a class of 39 pupils, 1/4 of the girls wear spectacles and 2/3 of the boys wear spectacles. A total of 16 pupils in the class
0 answers
asked by
Vincent
614 views
A compound transaction was recorded as follows: debit Equipment, $5,000; debit Cash, $1500; credit Accounts Payable, $3,500.
1 answer
asked by
Josh
607 views
if f'(x)=2(3x+5)^4 , then the fifth derivative of f(x) at x=-5/3 is
A. 0 B. 144 C. 1,296 D. 3,888 E. 7,776 I got A
1 answer
asked by
Sarah
605 views
There's a line graph with 3 dolphins (it's the same dolphin at different spot of the jump) jumping out of the water and landing
4 answers
asked by
Lilly
604 views
Two cylindrical containers are similar. The larger one has internal cross- section area of 45cm^2 and can hold 0.945 litres of
0 answers
asked by
kudu
600 views
The concentration (in milligrams per liter) of an antibiotic in the blood is given by the geometric series
A + Aekt + Ae2kt + +
1 answer
asked by
Alexis
595 views
You have a solution that contains Ca2+ ions and another that contains Na+ ions. How would adding a solution that contains CO2-3
0 answers
asked by
Channing
590 views
CaSiO3(s) +6 HF (g)-> CaF2(aq) + SiF4 (g) + 3 H2O(l)
If a 65.6 g sample of CaSiO3 is reacted in an inert 83 L container at
1 answer
asked by
Val22
588 views
In a class of 30 students,18 study Geography 3 take neither
a) Display this information in a venn Diagram?
1 answer
asked by
Larivita John
587 views
Si quieres trabajar en un laboratorio químico, serás _____.
A. arquitecto B. científico C. mecánico D. veterinario
4 answers
asked by
Ciaria
578 views
Just learned equations and want to know if i am doing right 4 problems.
4y= 2x-2 2y=2x6 ans (-7,-4) x+2y=7 3x-2y= -11 ans (-1,4)
1 answer
asked by
Marie
578 views
A 450 kg car traveling north at 30 m/s collides with a 560 kg car traveling west at 35 m/s. If after the collision they become
1 answer
asked by
John
569 views
Ammonium nitrate (NH4NO3) is an important agricultural industrial chemical as it provides readily available nitrogen for plant
1 answer
asked by
Val22
563 views
A dicot seed is preferred over a monocot seed to observe seed structure because? a.Distinct embryonic axis or b.Proper sepration
0 answers
asked by
Mona
562 views
Okay so I want to solve for refractive index. I'm given the dielectric constant and the permeability M. From what I understand
0 answers
asked by
Zed
561 views
The integral of (x^2-4secxtanx) dx=
I got x^3/3-4secx+c
1 answer
asked by
Sarah
559 views
How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to
2 answers
asked by
may
559 views
Write a program to calculate adjacent and opposite of a triangle.
My code can calculate hypotenuse but won't calculate opposite
3 answers
asked by
Excel
557 views
If a corporation pays a dividend, which group receives priority in receiving the dividend?
bond holders holders of common stock
1 answer
asked by
Saline
555 views
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH.
The Ka for HOCl is 3.0 x 10-8
0 answers
asked by
JUNDY
547 views
Find the derivative of:
1. Xlog base e (log base e X) 2. log base x 7 3. (sinh x)^2 - (cosh x)^2
1 answer
asked by
Anonymous
546 views
p and q are two points on the line x - y + 1 = 0 such that each of them is 5 units far from the origin. Find the co-ordinates of
1 answer
asked by
saurav
544 views
If the standard error of measurement is 3, and a person scores 125, Standard error of measurement with one standard deviation
1 answer
asked by
Bill
542 views
How much should be deposited in an account paying 3.5% interest, compounded quarterly, in order to have a balance of $
1 answer
asked by
James
534 views
Hello,
I am having trouble with a question on my homework. Even after reading through my notes and textbook I am still not sure
1 answer
asked by
Jordan
534 views
What is the mass of air in a room meauring 30 cubic meters if the density of air is 1.3kg per cubic meter?
1 answer
asked by
shane
534 views
an equilateral triangle is inscribed in a circle of radius 40cm. what is the length of the sides of the triangle
1 answer
asked by
neevetha
532 views
The integral of sqrt(x)(sqrt(x)+1) dx
A. 2(x^3/2+x)+c B. x^2/2+x+c C. 1/2(sqrt(x)+1)^2+c D. x^2/2+2x^3/2/3+c E. x+2sqrt(x)+c
3 answers
asked by
Anonymous
521 views
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