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2011
July

Questions Asked on July 25, 2011

i have no idea how to do this!Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant:
1. 0 answers
2. asked by katie
3. 470 views
no idea how to do this...describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a
1. 0 answers
2. asked by katie
3. 365 views
Can someone show the steps involved in figuring out this type of problem?Given the magnitudes of vectors u and v and the angle
1. 2 answers
2. asked by Joe
3. 453 views
use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error/;
1. 1 answer
2. asked by susan
3. 1,791 views
A student wants to make a 5.00% solution of potassium chloride using .0377 g of the substance.What mass of water will be needed
1. 1 answer
2. asked by Autum
3. 533 views
find the domains of the following functions:a) f(x)=x^20 b) g(x)=1/(x-3) c) h(x)=1/(4x^2=21x-18) d) k(x)=sqrt (4x^2-21x-18) e)
1. 7 answers
2. asked by Angela
3. 537 views
solve by substitution method.5m+n=36 m-5n=54 the everton college store paid 1,859.00 for an order of 49 caculators the store
1. 1 answer
2. asked by joe
3. 494 views
solve by the elmination method0.3x-0.2y=4 0.4x+0.3y=49/23
1. 1 answer
2. asked by Barney
3. 369 views
Find all solutions in the interval[0,2pi),cos x/2-sinx=0
1. 0 answers
2. asked by kk
3. 464 views
find the exact solutions in the interval [0,2pi), sin4x=-2sin2x
1. 1 answer
2. asked by kc
3. 741 views
verify the identity tanx times cotx/cosx=secx
1. 1 answer
2. asked by kc
3. 410 views
Domain ofa) x^20 b) 1/(x-3) c)1/(4x^2-21x-18) d) sqrt(4x^2-21x-18) e) 1/ sqrt(4x^2-21x-18)
1. 2 answers
2. asked by Angela
3. 785 views
solve the equation 4cos^2x-1=0
1. 1 answer
2. asked by kc
3. 976 views
solve the equation 4cos^2x-1=0
1. 1 answer
2. asked by denise
3. 666 views
simplify the quotient: [(x+1)^3(4x-9)-(16x+9)(x+1)^2]/[(x-6)(x+1)^3]
1. 1 answer
2. asked by Angela
3. 445 views
use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1
1. 1 answer
2. asked by denise
3. 2,058 views
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form?
1. 0 answers
2. asked by Kristin
3. 455 views
You’re reviewing reimbursement for a Medicare surgical craniotomy case. The case falls into a DRG1. Which has a relative
1. 0 answers
2. asked by julie
3. 671 views
The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m.
1. 1 answer
2. asked by Mona
3. 1,758 views
The closing price for XYZ Company's common stock is uniformly distributed between $10 and $20 per share.What is the probability
1. 0 answers
2. asked by Bill
3. 905 views
given that f(x)=11^x, find x when f(x)=7a) x=Ln(7/11) b) x=Ln7/Ln11 c) x= 7/11 d) x= ll sub 7 11
1. 1 answer
2. asked by Angela
3. 996 views
A sample containing 5.20g O2 gas has a volume of 19.0L, pressure and temperature remain constant, Oxygen is released until the
1. 0 answers
2. asked by SHARON
3. 508 views
Solve for the new pressure in each of the following with N and V constantA sample of Na with a pressure of 770 mmHG at -60C is
1. 1 answer
2. asked by SHARON
3. 1,090 views
The volume of air in a persons lungs is 615 mL at a pressure of 760 mmHG inhalation occures at the pressure in the lungs drops
1. 1 answer
2. asked by SHARON
3. 1,408 views
what is the equation that responds to a vertical shift up 3 and a horizontal shift left 4 of f(x)=absolute value of x
1. 1 answer
2. asked by ak
3. 475 views
factor the following expression completely: 70w^3-125w^2+30w
1. 1 answer
2. asked by ROCKY
3. 361 views
solve by substitution method:8x-3y=-94 2x+22=y
1. 1 answer
2. asked by Ralph
3. 554 views
the perimeter of a rectangle is 226 inches. the length exceeds the width by 37 inches. find the length and the width.
1. 1 answer
2. asked by Sarah M.
3. 1,102 views
a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the
1. 1 answer
2. asked by Ashley
3. 1,013 views
calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
1. 0 answers
2. asked by michelle
3. 304 views
3. The height H of an object t seconds after it is propelled upward with an initial velocity v is represented by , where g is
1. 0 answers
2. asked by Anonymous
3. 576 views
the perimeter of an isosceles triangle is 21 meters. the length of one side is 3 meters longer than the length of the other two
1. 1 answer
2. asked by Kylie
3. 2,313 views
Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied
1. 1 answer
2. asked by ROCKY
3. 1,067 views
If $635 is invested in an account that earns 9.25%, compounded annually, what will the account balance be after 21 years?
1. 2 answers
2. asked by Anonymous
3. 1,096 views
Write a second paragraph of at least 200 words explaining the strategies you will use to overcome those challenges.
1. 2 answers
2. asked by Dominique
3. 443 views
The area of a rectangular athletic field is represented by the expression 81y^2-16z^2 square meters. Write an algebraic
1. 1 answer
2. asked by ROCKY
3. 570 views
calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
1. 0 answers
2. asked by donna
3. 301 views
Hi I'm reviewing the following solution in my trigonometry text book and I can't figure out how they got their answer. If
1. 2 answers
2. asked by Amy
3. 409 views
Factor the expression 25x^2-60xy+36y^2 into a product of binomials.
1. 2 answers
2. asked by ROCKY
3. 731 views
which of the following best describes the behavior of thre function f(x)=(x^2-2x)/(x^2-4) at the values not in its domain?a) one
1. 1 answer
2. asked by Ashley
3. 2,897 views
A software program features an electronic coloring book, in which children get to paintcharacters that come to life with the
1. 2 answers
2. asked by nk
3. 1,112 views
How do I do this problemAssume you dissolve 2.56 g of malic acid, C4H6O5, in half a liter of water (500.0 g). Calculate the
1. 0 answers
2. asked by Ann
3. 1,156 views
For the function g(x) = xe power x, there is inflection point at?
1. 2 answers
2. asked by Bud
3. 395 views
what is a contemporary sociologist who uses conflict perspective.
1. 2 answers
2. asked by lolla
3. 362 views
solve this system of equation using the substitution method.6x+8y=72 2x+5y=45
1. 1 answer
2. asked by thomas
3. 522 views
Find all solutions in the unterval [0,2pi), cos x/2-sinx=0
1. 1 answer
2. asked by denise
3. 876 views
use the given values to evalute all six trigonometric functions secx=3/2, cscx=-3square root5/5
1. 1 answer
2. asked by denise
3. 357 views
Which of the following statements about children and computers is not correct?A. Today, many children begin using computers in
1. 4 answers
2. asked by nk
3. 903 views
Perform the indicated operations:-42÷6+(-7)
1. 2 answers
2. asked by tamika
3. 476 views
Which sentence is not a statement?(Points : 1) 2 x 4 = 7 8 + 2 Jan and Ella are neighbors. Bill is a photographer
1. 2 answers
2. asked by tamika
3. 366 views
Paul drove from his house to work at an average speed of 40 miles per hour. The drive took him 15 minutes. If the drive home
1. 1 answer
2. asked by Lilia
3. 1,788 views
A bank has $120 million in total assets, which are composed of reserves, loans, and securities. It’s only liabilities are $120
1. 0 answers
2. asked by Anonymous
3. 1,173 views
Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21
1. 0 answers
2. asked by tamika
3. 625 views
Trigonometry Problem:The good ship Bravery is 30 km due west of the good ship Courageous. The Bravery sets out on a bearing of
1. 1 answer
2. asked by Kalia
3. 2,010 views
What are the codes for Intrauterine pregnancy, spontaneous delivery, single live born?
1. 0 answers
2. asked by rachel
3. 658 views
how can social cognition may both positively and negatively affect one's attitudes and behaviors?
1. 2 answers
2. asked by Ro
3. 521 views
how do you Create a Web page that displays all numbers from 20 to 1 and indicates whether the number is prime in it displays?
1. 0 answers
2. asked by Janice
3. 383 views
Find the.domain of g(h)=10/3-2x
1. 1 answer
2. asked by Hunny5
3. 326 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115Find z2^6
1. 0 answers
2. asked by Peter
3. 511 views
From the top of a 50m high bridge, two boats are seen at anchor. One boat is S 50degrees W and has an angle of depression of 38
1. 1 answer
2. asked by Kalia
3. 2,435 views
reseach project chemical system: phosphateswhat is a super phosphate?
1. 1 answer
2. asked by bertha
3. 410 views
Consider two current carrying wires shown below. The current in the wire 1 is 4.5 A in the positive x direction. Find the
1. 1 answer
2. asked by Chloe
3. 1,081 views
The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers.O
1. 2 answers
2. asked by Jay
3. 1,252 views
if an angle is three times is complement determine its measure
1. 1 answer
2. asked by annsa
3. 337 views
The average marks of 30 students in mathematics is 69. If the class leader’s mark is included then the average becomes 70.
1. 2 answers
2. asked by Sharon
3. 639 views
Evaluate:24(12)-9/3. Find the answer and the solution.
1. 1 answer
2. asked by Erica Anne C. Arellano
3. 345 views
what is the density in kg/m3 1500 and 100.65 of nh3
1. 0 answers
2. asked by marh ivan
3. 343 views
Which of the following represents the graph of y=f(x) first shifted down 1 and reflected in the x-axis?a) y=f(-x)-1
1. 0 answers
2. asked by Ashley
3. 383 views
a Function f is defined as f(x)=3*2^xa)is f increasing or decreasing? b)write equation for the horizontal asymptote c)describe
1. 0 answers
2. asked by Ashley
3. 424 views
If the graph of f(x)=cotx is transformed by a horizontal shrink of 1/4 and a horizontal shift left pi, the result is what?
1. 0 answers
2. asked by Ashley
3. 382 views
Write true or false:1. A root hair is a small extension of an epidermal or outermost cell layer of a dicot root 2. Layers of
1. 0 answers
2. asked by Nandini
3. 694 views
Write MCMLXXVII in Hindu-Arabic?
1. 5 answers
2. asked by Erica Anne C. Arellano
3. 882 views
What is the law which states that volume and temperature are directly related?
1. 2 answers
2. asked by Erica Anne C. Arellano
3. 536 views
factor out the greatest common factor from the expression. 18x^7-14x^2
1. 2 answers
2. asked by ROCKY
3. 708 views
use the "difference of squares" rule to factor the following expression.x^2-81
1. 1 answer
2. asked by ROCKY
3. 481 views
A loaded coin is tossed 5 times, find the probability distribution for the number of heads, if heads are thrice likely to occur
1. 0 answers
2. asked by Sapphire
3. 510 views
Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2).Prove: angles ABC and RPQ are congruent by completing the paragraph
1. 1 answer
2. asked by Wendell
3. 872 views
24 = 2x / 4y
1. 1 answer
2. asked by a
3. 300 views
what is denser, 1 grams of gold or 1 kilograms of copper? why?
1. 2 answers
2. asked by chloe
3. 568 views
(x^2 +4)y = 2x
1. 1 answer
2. asked by peter
3. 224 views
Anyone help me?? :)How to solve: 5x2 = -(19/2x-1) and 2x2 + 45/2x - 18 = 0 With full solutions? Thank you :)
1. 1 answer
2. asked by Karen
3. 404 views
the mass of a boy is 36.1kg when rounded off to 1 decimal place. If his mass is less than 36.1kg, what is his possible mass?
1. 1 answer
2. asked by Joel
3. 474 views
can you give me examples of picturesjust name it, ummm.. CHEMISTRY IN DAILY LIVING , TECHNOLOGY AND SOCIETY
1. 0 answers
2. asked by Anonymous
3. 353 views
11. Make up a scatter diagram with 10 dots for each of the following situations:(a) perfect positive linear correlation, (b)
1. 1 answer
2. asked by desiree
3. 1,007 views
Please advise on the following:From 1993 to 2003 the cumulative number N of AIDS cases in thousands can be approximated by,
1. 1 answer
2. asked by Raj
3. 462 views
suppose you stand on a bathroom scale and get a reading of 700N. in principle, would the scale read more, less, or the same if
1. 0 answers
2. asked by Anonymous
3. 865 views
Hello am new at this work at home but i never find any good site i can work with pls help am from nigeria send me link of good
1. 1 answer
2. asked by Adewale
3. 812 views
1. Pick a business that you are familiar with and list three (3) fixed and (3) variable inputs associated with that business.2.
1. 0 answers
2. asked by Rachael
3. 666 views
How much heat is liberated at constant pressure if .928 g of Fe reacts with 26.2 mL of .238 M HCl? Delta H = -87.9 kJ
1. 0 answers
2. asked by Anonymous
3. 340 views
3x²+8x=35
1. 2 answers
2. asked by need help
3. 434 views
A level teaspoon may contain 4.0 grams of NaHCO3. How many moles does this represent?
1. 0 answers
2. asked by michael smith
3. 478 views
driving at 43 mpH, one covers 17 miles in how many seconds?
1. 2 answers
2. asked by Anonymous
3. 427 views
If one-fourth cup of vinegar contains 0.049 mole of HC2H3O2, how many grams of baking soda will react with this amount of acetic
1. 1 answer
2. asked by michael smith
3. 949 views
Nancy Bellow promised her son she would pay him $600 a quarterly for four years.If Nancy can invest her money in a 6% ordinary
1. 1 answer
2. asked by Dell
3. 787 views
A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial
1. 0 answers
2. asked by Shivam
3. 444 views
A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial
1. 0 answers
2. asked by Shivam
3. 506 views
Vector v is (4√3,√3).Find the angle between v and i.
1. 1 answer
2. asked by John
3. 332 views
Make a buffer solution with the following specification pH=5.5 Volume=2L total concentration=1M ...a) Name the components?... b)
1. 0 answers
2. asked by Anonymous
3. 360 views
A body of specific gravity 3.0 is immersed in water. What is the minimum force required to pull it out at velocity 2
1. 0 answers
2. asked by divya
3. 395 views
Identify the noun clause in the following sentence: What they should do is hire a tutor who can help them with their math
1. 2 answers
2. asked by Eric
3. 393 views

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