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Questions Asked on November 23, 2012

The population of a southern city follows the exponential law. If the population doubled in size over 13 months and the current
1. 3 answers
2. asked by lily
3. 8,593 views
The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water.a. LiBr
1. 2 answers
2. asked by Boo Boo
3. 6,313 views
A ball is thrown vertically upward with an initial velocity of 64 feet per second. The distance(in feet) of the ball from the
1. 2 answers
2. asked by Cicley
3. 3,945 views
Write an equation for the line that is parallel to the given line and passes through the given point.y = 5x + 10; (2, 14)
1. 4 answers
2. asked by Deborah
3. 3,901 views
Calculate the speed of an 7.6×104 kg airlinerwith a kinetic energy of 1.2 × 109 J. Answer in units of m/s
1. 1 answer
2. asked by scott
3. 3,065 views
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage
1. 2 answers
2. asked by Amanda
3. 2,603 views
A plane leaves an airport X,20.6degree east and 36.8 degree north,and flies due south along the same longitude for 8hrs at the
1. 3 answers
2. asked by Tosin
3. 2,563 views
A flight attendant pulls her 74.2 N flight baga distance of 324 m along a level airport floor at a constant velocity. The force
1. 3 answers
2. asked by scott
3. 2,407 views
How much NaOH (g) would you need to dissolve in water in order to prepare 2.75 L of a NaOH solution in which [OH-]= 0.50 M?
1. 2 answers
2. asked by Brunette
3. 2,392 views
a cyclist travels the 30 km from Town A to Town B at an average speed of 25 km/h and immediately continues the journey to town
1. 4 answers
2. asked by Lindsay
3. 2,310 views
In a A-frame house, the two congruent sides extend from the ground to form a 34 degree angle at the peak. What angle does each
1. 1 answer
2. asked by Anonymous
3. 1,913 views
How many grams of sodium chloride are needed to make 1 L of 0.9% (m/v) sodium chloride solution (“isotonic saline”).
1. 2 answers
2. asked by don
3. 1,855 views
An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing
1. 1 answer
2. asked by Brittany
3. 1,722 views
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f.degree:5, zeros:
1. 1 answer
2. asked by ladybug
3. 1,551 views
An aeroplane leaves a point on latitude 54degree south at 10 a.m. It flies due south at a steady speed of 800km/h.(a) what is
1. 1 answer
2. asked by Tosin
3. 1,513 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.x + 5y = –20 y = –7/8x – 1 and
1. 3 answers
2. asked by Deborah
3. 1,491 views
You are asked to prepare a pH=4.00 buffer starting from 1.50 L of 0.0200 \; M solution of benzoic acid C_6 H_5COOH and an excess
1. 2 answers
2. asked by Josh G.
3. 1,466 views
A 16 ft. ladder leans against a wall, with the top being 12 ft. from the wall when time t=0. The top is sliding down at a
1. 2 answers
2. asked by Tanya
3. 1,347 views
the reciprocal of the expression 2/x + 3/1
1. 2 answers
2. asked by j
3. 1,327 views
2 NO(g) + O2(g) 2 NO2(g)For the reaction above tell whether the reaction would shift to the left (L) or right ® if I a.
1. 1 answer
2. asked by don
3. 1,245 views
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2
1. 1 answer
2. asked by Sam
3. 1,233 views
3. A researcher is interested in whether listening to music helps or hinders test-performance. To control for differences in
1. 2 answers
2. asked by anna
3. 1,217 views
A 8.5 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks
1. 3 answers
2. asked by Coco
3. 1,205 views
. Suppose that two players are playing the following game. Player 1 can choose either Top or Bottom, and Player 2 can choose
1. 0 answers
2. asked by janete
3. 1,185 views
A repeated-measures study uses a sample of n = 20 participants to evaluate the meandifferences among three treatment conditions.
1. 1 answer
2. asked by Robbie
3. 1,107 views
An engine does 15kJ of work while rejecting 37 kJ to the cold reservoir. What is the efficiency of the engine?
1. 1 answer
2. asked by B
3. 1,101 views
you push a friend on a sled your friend and the sled together have a mass of 70 kg if the net force is 33N what is the seld's
1. 2 answers
2. asked by Desha
3. 1,087 views
1.An object 2.5cm high is placed 10cm from a converging lens. if the local length of the lens is 5cm,a. How far from the lens
1. 2 answers
2. asked by gabriel sam responso
3. 1,052 views
how many moles are in 243.6 g caco3?A.7.41 mol caco3 B 2.43 mol caco3 C.102.46 mol caco3 D.88.1 mol cao3 I say A
1. 1 answer
2. asked by drew
3. 991 views
1.a solution that is 6.5×10−2M in potassium propionate C_2 H_5 COOK or KC_3 H_5 O_2 and 8.5×10−2M in propionic acid C_2
1. 1 answer
2. asked by Josh G.-Happy Thanksgiving
3. 989 views
a recent study indicated that 29% of the 100 women over age 55 in the study were widows. a. How large a sample must you take to
1. 0 answers
2. asked by Tessa
3. 987 views
Thirty five percent of adult americans are regular voters. A random sample of 250 adults in a medium size college town were
1. 1 answer
2. asked by Tessa
3. 982 views
In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion
1. 1 answer
2. asked by Tessa
3. 953 views
if 3 bananas cost £1.14 how much will 5 of them cost? and how do ypu work it out?
1. 2 answers
2. asked by hannah
3. 951 views
What is the slope of the line that passes through the pair of points?(-5/3, -1)and (-2, 9/2) A.2/33 B.-2/33 C.-33/2 D.33/2 I
1. 2 answers
2. asked by Deborah
3. 900 views
if 58.44 g of sodium chloride is dissolved in 0.5 liter of water what is the molarity of the sodium chloride solution? The molar
1. 2 answers
2. asked by don
3. 865 views
Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the
1. 1 answer
2. asked by Alphonse
3. 863 views
an open steel tank measures 2m by 2.5m by 3m.It holds 7500 ml of water.What is the volume of steel,in cubic metres,making up the
1. 1 answer
2. asked by WAN
3. 862 views
What corporation/company recently had a market failure in 2012.. at least from September to now? I need one for my assignment,
1. 2 answers
2. asked by Kayla
3. 850 views
From hundreds chart;How to work out what % of the numbers are multiples of 3?
1. 0 answers
2. asked by charlie
3. 846 views
What is the Article of Confederation?
1. 1 answer
2. asked by Lily
3. 844 views
solve the inequality algebraically11x-3 is greater than or equal to - 4x^2
1. 1 answer
2. asked by ladybub
3. 844 views
I choose to do research on Avoidant personality disorder or APD because a friend of is suffering from APD and I’m having
1. 3 answers
2. asked by john
3. 839 views
A. random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population
1. 0 answers
2. asked by Tessa
3. 819 views
the reciprocal of the expression 2/x + 3/1
1. 0 answers
2. asked by j
3. 802 views
A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal
1. 1 answer
2. asked by A
3. 791 views
The expression 2(8a to the 2nd power + a - 1) + 3(a + 3) is equivalent toa) 16a to the 2nd power + 5a + 7 b) 40a to the 2nd
1. 3 answers
2. asked by Laruen
3. 787 views
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that
1. 1 answer
2. asked by Anonymous
3. 763 views
5. If the average adult produces $90,000 of output per year, how much output is lost as a resultof adult deaths from secondhand
1. 4 answers
2. asked by Valerie
3. 759 views
Suppose R is the region in the plane enclosed by y = x2 and y = 4.a) Compute the perimeter P and area A of R, and then compute
1. 1 answer
2. asked by Anonymous
3. 740 views
Find the molarity of a solution containing 0.75 mol of NaCl with a volume of 1.5 L.
1. 2 answers
2. asked by Becky
3. 729 views
use the remainder theorem to find the remainder when f(x) is divided by x-2. then use the factor theorem to divide x-2 is a
1. 1 answer
2. asked by ladybub
3. 722 views
a compound is found to be 94.1% o and 5.90% h. its molecular mass is 34.0. what is its molecular formulaA. H3O2 B. OH C. H2O D.
1. 1 answer
2. asked by drew
3. 697 views
solve the equation in the real number system.2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show
1. 3 answers
2. asked by confused
3. 688 views
Heritage plays role x with regard to marriage in Howell’s novel, while in Larsen it plays role y, allowing the man to accept
1. 3 answers
2. asked by Blaze
3. 686 views
The area of 3 adjacent faces of cuboid are x,y and z . If the volume is V , Prove that V^2 = xyz ???
1. 2 answers
2. asked by tuhituhi
3. 682 views
A 42.1 kg diver steps off a diving board anddrops straight down into the water. The water provides an average net force of
1. 1 answer
2. asked by scott
3. 674 views
For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample ofn = 5 in each treatment condition,
1. 0 answers
2. asked by Robbie
3. 659 views
A 19.5 gram, 56.3 centimeter long steel guitar string is vibrating in its fourth harmonic. It induces a standing wave in a
1. 5 answers
2. asked by Alphonse
3. 657 views
Find absolute maximum and minimum for f(x)=(3x^3)−(18x^2)+27x−10 over the closed interval [2,4].Thank you so much!!
1. 1 answer
2. asked by Math
3. 634 views
Which of the following is used to calculate the degrees of freedom for the A x B interaction?a. dfbet. treatments – dfA –
1. 0 answers
2. asked by Robbie
3. 631 views
Find the values of a,b, and c if the parabola y=a(x^2)+bx+c is tangent to the line y=-2x+3 at (2,-1) and has a critical point
1. 1 answer
2. asked by mike
3. 629 views
The depreciation rate, r, for a $50,000 news car is given by the function r = 1 - (V/50,000)^(1/5), where V is the value of the
1. 6 answers
2. asked by Kayla
3. 628 views
gyazo . com / 2350c4f09d1c4c274e519f9afb639fd4(USE THE LINK TO ANSWER THESE QUESTIONS. REMOVE THE SPACES TO ENTER INTO THE
1. 2 answers
2. asked by tristian
3. 627 views
A 14.3 gram bullet embeds itself in a 2.823 kg block on a horizontal frictionless surface which subsequently collides with a
1. 5 answers
2. asked by Alphonse
3. 615 views
each turkey has 2.3 x10 to the 6th power feathers/ How may feathers is that in standard form?
1. 3 answers
2. asked by Anonymous
3. 615 views
A 0.682g sample of impure NAHco3 yielded a solid residue consisting of NAc03 and other solid with a mass of 0.467g. What was the
1. 1 answer
2. asked by Fai
3. 607 views
what is the value of [OH-] in a 0.730 M solution of Sr(OH)2?
1. 1 answer
2. asked by Victoria D
3. 605 views
Sunlight strikes a piece of crown glass at an angle of incidence of 35.8 degrees. Calculate the difference in the angle of
1. 2 answers
2. asked by Hau
3. 602 views
A 1.2 -long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the
1. 0 answers
2. asked by Coco
3. 568 views
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f.degree:5, zeros:
1. 3 answers
2. asked by ladybug
3. 564 views
In an interference of light experiment, coherent light that contains two wavelengths: 640 nm (red-orange) and 425 nm
1. 2 answers
2. asked by Alphonse
3. 557 views
A 0.682g sample of impure Na2hco3 yield a solid residue consisting of nahco3 and other solid a mass of 0.467g. What was the mass
1. 1 answer
2. asked by Fai
3. 557 views
Calculate the amount of solute needed to make each of the solution.225g of a 10% (m/m) K2CO3 solution .50kg of a 18% (m/m) KOH
1. 1 answer
2. asked by Boo Boo
3. 555 views
A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal
1. 1 answer
2. asked by A
3. 528 views
How high is a wall that casts a 15ft shadow at the same time that a 4ft flag pole casts a 4ft shadow?
1. 1 answer
2. asked by michelle
3. 524 views
suppose u are playing a game of chance.If you bet $4 on a certain event,you will collect $148 (including your $4 bet) if you
1. 0 answers
2. asked by Anonymous
3. 514 views
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage
1. 1 answer
2. asked by Amanda
3. 505 views
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f.degree:5, zeros:
1. 1 answer
2. asked by ladybug
3. 505 views
To finanance a purchase a company will sell 10 year bonds paying 6.6% per year at the market price of $1062. Preferred stock
1. 0 answers
2. asked by Susie
3. 496 views
What is the acceleration of a 2-kg cart placed on a frictionless ramp inclined at 20 degrees?
1. 3 answers
2. asked by Moodaa
3. 494 views
What is the concentration of ammonia in a solution if 24.20 mL of a 0.1140 M solution of HCl are needed to titrate a 100.0 mL
1. 1 answer
2. asked by Victoria
3. 480 views
If a and b are two unit vectors and θ is the angle between them, then a+b is a unit vector if θ is
1. 1 answer
2. asked by manpreet
3. 478 views
Using digits 2, 3, 5, 6, 7 and 9, how many 3-digit numbers can be formed that are divisible by 5 such that the repetition of
1. 2 answers
2. asked by kawal
3. 468 views
use the intermediate value theorem to show that the polynomial function has a zero in the given interval.f(x)=x^5-x^4+9x^3-5x^2-
1. 1 answer
2. asked by ladybug
3. 466 views
If the initial volume is 500. ml at a temperature of 30 C, at a constant pressure, what would the new volume be if the
1. 1 answer
2. asked by Kim
3. 458 views
first draft of my report and i need help in improving this. i didn't made up all the information here all comes from a book.Diss
1. 1 answer
2. asked by john
3. 457 views
Write the equation of a line that is perpendicular to the given line and that passes through the given point.y – 3 = (x + 2);
1. 3 answers
2. asked by Deborah
3. 452 views
Please, help. I need to create a comic that illustrates and explains what life would be like without 2 organ systems: muscular
1. 0 answers
2. asked by Mark
3. 450 views
(a) If H is positive and S is negative, would G to be positive or negative or is it dependent on T?(b) For the sign of
1. 1 answer
2. asked by don
3. 450 views
Find the first and second derivative of the functiony=f(x)=x^3/(1-(x^2)) Use the information about the derivatives to determine
1. 1 answer
2. asked by ravinder
3. 450 views
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that
1. 0 answers
2. asked by Anonymous
3. 446 views
The rate of change of radius of a spherical air bubble is 0.002 cm/s. What is the rate of change of its surface area when its
1. 1 answer
2. asked by mandeep
3. 441 views
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that
1. 1 answer
2. asked by Anonymous
3. 433 views
A mass of 350 kg is lifted by 2 cables connecting at the same point asshown. Determine the tensions in each cable when the
1. 1 answer
2. asked by luke
3. 432 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.y = –x + 10 and –2x + 8y = 6
1. 1 answer
2. asked by Deborah
3. 432 views
25000 at 7% compounded semi anually for 10 years.
1. 2 answers
2. asked by shanice
3. 427 views
An early learning center that emphasizes"product" over "process" would A. threaten most mainstream children. B. be
1. 1 answer
2. asked by Rashmi
3. 423 views
Which material would you expect to have a greater bandgap energy between indium nitride (InN) and indium phosphide (InP)?
1. 1 answer
2. asked by techman
3. 412 views
Which of the following nineteenth-century inventors is associated with Menlo Park in New Jerseya.Gustavus F. Swift b.Cyrus W.
1. 0 answers
2. asked by sabrina
3. 407 views

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