Algebra, help + check please
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Algebra, help please!!!
The youngest person in the company is 21. The oldest is 66. A: What is the range? B: Is the range a good measure of spread for the ages in the company? Why? 
linear algebra urgent
For the orthogonal matrix A = 1/sqrt(2) 1/sqrt(2) 1/(sqrt(2)) 1/sqrt(2) verify that (Ax,Ay)=(x,y) for any vectors x and y in R2. Can someone please explain this 
Algebra
Write y = 3x  1 in function notation and evaluate the function at x = 0, x = 3, and x = z. Please label your values and use the correct notation when posting. 
Algebra
Find the simplified form of each expression. 1.(4/7y^5)^2 A.8/14y^10 B.16/49y^25 C.16/49y^10 D.8/14y^25 2.(x/2y^5)^2 A.x^2/4y^10 B.4y^25/x^2 C.4y^10/x^2 D.x^2/4y^25 I think #1 is A and #2 is A Please correct me if I'm wrong. 
Algebra
Can someone show me how to Simplify the radical expression. square root 363  3 square root 27 (in steps please) 
Algebra
Divide: (y^2y+4) divide by (y+3) I worked it out, but don't know how to put my answer can you please do it too and show me what the answer is. I used long division. 
Engliish LitPlease check
"Those RULES of old discover'd not devis'd Are nature still, but Nature Mehtodiz'd Nature, Like Liberty is but restrain'd By the same Laws which first herself ordain'd What is this an example of simile hyperbole analogy overstatement personification I'm thinking it is either ... 
English  check my answer, please.
"The study will be conducted with all haste by the Office of Public Mendacity; nevertheless, the Office will fail to blame the culpable." This statement: includes a shift in tense. *** includes a passive constructionone in which the subject receives the action of the ... 
English
Can you please check these sentences I'm doubtful about? Thank you very much. 1) My parents like my clothing style because they think that wearing practical clothes is the most important thing/most important is to wear practical clothes/ 2) I was given these trousers for my ... 
Trigonometry
A clown is juggling at a circus. The path of a ball is given by the parametric equations x=2 cos T + 2 and y = 3 sin T + 3. In what direction is the ball moving? Up and to the right counterclockwise down and to the right clockwise After graphing it and observing its ... 
Language Arts
I really need help with my LA QUICK CHECK. Can someone please help me? :( #1 Which of the following items might serve as a prop A. a dialogue B. a magazine C. a sence D. a set (I think this one) #2 Which of the following might be contained in stage directions? A. lines spoken ... 
English
Can you please check these sentences for me? Thank you. 1) Henry believes beauty to be not as superficial as thought. 2) He urges Dorian to enjoy his youth now that he can, while it won't last for ever. 3) He also urges him to give in to any kind of sensations forgetting moral... 
CellBiology
For membraneassociated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stoptransfer peptide, transcription d. stoptransfer sequence, translation e. stop... 
Biochem
For membraneassociated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stoptransfer peptide, transcription d. stoptransfer sequence, translation e. stop... 
math
need to check answers please 9/113/11+7/11=13/11=1 2/11 evaluate then to lowest form One task took 7 minutes (min), a second task took 12 min, and a third task took 21 min. How long did the three tasks take, as a fraction of an hour?2/3 find perimeter of triangle 3/8 then ... 
science cell structure
An inner and an outer membrane are characteristic of which organelle? my answer: Mitochondria and chloroplasts What is the nucleus? my answer nucleus is a cell structure that contains hereditary information What is the nucleiod? my answer: the nucleiod is like the nucleus. ... 
English
Could you please check my sentences? Thank you. 1) What organization does the interviewee work for? 2) Why do endangered species serve as umbrella species? What poses the most serious hazard for the North Atlantic whales? 3) Which is the most successful way of combating risks ... 
Plz Help
You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the way to other teacher... 
to ms.sueproject part 3
On the third page, show support for each trait listed on the second page. (PLEASE CHECK THIS FOR ME) 1. skillful 2. fair 3. brave 1.skillful she can make spickd peaches and teach children and adults. 2. fair she gave sam 6 jars of spiced peaches so he could fix the school ... 
Health
The three lines of defense your body has against disease include all except? A. physical and chemical defenses B. inflammation C. immune system D. scarring True or false B cells and H cells are two important cells in the immune system that help fight infection. Antibodies are ... 
Algebra
I need help remembering this. What way is the yaxis and the x axis on a graph. I think its x going up and down and then y going left to right. Please help Thank you 
Algebra
How do you simplify the following and please show all work. (3x(4 exponent)y(3 exponent) ______________________________ (2x(5 exponet) y(2 exponent) then the whole equation is in ()with a 2 exponent 
math(Algebra two)
describe what happens to the graph of y=X^2 in the following situations. a. y is replaced with (y+1) b. x is replaced with(x5) c.x is replaced with (x+3) d.y is replaced with (y6) i have no clue how to do this can you please help me? 
One more algebra!
If r>0, then for all p and q such that pq does not equal 0 and pr>qr we have a. p > q b. p > q c. 1 > q/p d. 1 < q/p e. none of these This one I do not get at all, either. Please walk me through it. Thank you! 
Algebra
Help please! I got so far with this and stopped because of confusion. Here is what I have so far. Let f(x) = 6/x1 and g(x) = 1 + 3/x find the composite function of (fog)(x) (fog)(x) = f (g(x)) =f (1+3/x) =6/x1 ???? 
Algebra 1A
I need help please!!! Translate to an inequality. The average speed, s, was between 130 & 140 mph. Translation 130 ? s ? 140. Thanks 
algebra
Write an equation of the line containg the given point and parallel to the given line express answer in the form y=mx+b (7,8),x+2y=7 Please help 
Algebra
Please help...Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. y=log7 x 
Algebra 1
f(x)=x^2+3 Solve for f(2)and f(5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand. 
Algebra 1
f(x)=x^2+3 Solve for f(2)and f(5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand. 
algebra
please write algebraic equation and solve thanks length of movie projected at 24 frames per second ; length(L)=24 f. solve for f 
algebratrig
Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help. 
algebratrig
Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help. 
algebra
consider the function f(x)=9/x and g(x)=9/x find f(g)x))and any values that may be excluded what is g(f(x)) and any values that may be excluded and functions f and g inverse of eachother please show work 
college algebraneed help please!!
write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,6) 
Chemistry
I am dealing with the integrated rate laws. Can somebody please help me with my algebra? First order ln(A)=kt+ln(B) solve for t,and k and B Second order 1/(A) = kt+1/(B) solve for k and t and B 
Algebra
What are some reallife examples of exponential decay? Please help me think of some ideas...except radioactive decay. 
College Algebra
Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution? 
Algebra 2 (Please, help me!)
The graph of a function passes through the points (9,6) and (12, 3). What are the coordinates of these points after the function has been compressed by a factor of 1/3? A: ? 
Algebra ll
Please help!! I do not understand any of this!! Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 4; zeros: 2, multiplicity 2; 3i 
Algebra Help ASAP PLEASE!
((I forgot how to do find inverse functions and this is important)) Find the inverse function of g(x) = 2x + 4. A) g^(1)(x) = 4x + 2 B) g^(1)(x) = 2x + 1/2 C) g^(1)(x) = 1/2x  2 D) g^(1)(x) = 2x  4 I *think* it might be C but I'm not sure. 
intro to Linear Algebra
Find the point that is onefourth of the way from P=(2,5,3) to Q=(1,2,5). Please show stepbystep, this way I can learn it. Thank you. 
Algebra 2
A single die is rolled. find the probability of rolling an even number or a number less than 5, what is the probability Please help me with this question!! 
College Algebra
Graph the inequality on the numberline and then write it in interval notation. 6x+5(x+5)≥7x+45 and 12x+4(x3)<3x+53 Please help me with these equation and how to write the solution on a numberline. Thanks. 
English
 Honey, what a smell?  The baby pooed. I have to change the diaper. I have only one pack of wet tissue. You have to buy wet tissue.  OK. I will buy wet tissue on the Internet. Check the condition of the diaper of the baby frequently so that he may not have a rash.  I know... 
MathASAP please
1. (10x^3 + 30x 20) divided by (5x+5)? a)2x^22x+4**** b)2x^22x4 c)2x^2+2x+4 d)2x^2+2x4 2.The width, w, of a rectangular playground is x + 3. The area of the garden is x^3  7x + 6. What is an expression for the length of the playground? a.) x^2  3x + 2 *** b.) x^2 + ... 
the awakening please help!!
I can't figure out this problem... Which character in The Awakening matches the archetypal label of "philosopher"? http://www.sparknotes.com/lit/awakening/ Check especially the analysis of major characters. Then let us know what you think. =) 
Chemistry(Please check)
1) Free energies of formation are a. always positive b. always negative c. never zero d. measured at 298K e. more than one response above is correct I think that free energies can be negative or postive so the answer cannot be e. I chose answer d, they are measured at 298K. ... 
Algebra II
How do you find the vertex of a quadratic function? What are the steps to solving a quadratic function using factoring? Please help! 
Intermediate Algebra Simplify
Simplify: this is a triple decker fraction 1/a + 1/c divided by a^2  c^2 divided by ac I am stuck on this one please help. 
Algebra
Find a polynominal for the perimeter and for the area. The demensions are: Width:b+3, Length:b The perimeter is: The area is: Do not factor. Please help. 
Algebra
Please help. I need to find the quotient function of the following: Given that f(x)=x^23 and g(x)=2x+1 find each of the following if it exists: a. (f/g)(root3) b. (g/f)(1/2) 
ALGEBRA
If I divide 28x^330x^267x21 BY 7x+3...will I get 4x^210x21? THEN 28x^330x^221THEN 14x^215x^221???? PLEASE HELP!!! 
algebra, help please?
So the problem is y2=y+2 Would I subtract 2, or add the two? because i know you have to do something with the two, but I have no idea what.. Thank you! 
ALGEBRA/PLEASE HELP
Write an equation of the line containing the given point and parallel to the given line. Express in y=mx+b. (4, 9); 9x = 8y+5 
Algebra
STILL DON'T GET THIS can anyone explain me this please a cylinder has a volume of 19cm^3. If the radius is doubled, what is the volume of the new cylinder? HOW TO DO THIS 
Algebra
The length of a triangle is twice the width. The area is 2yd^2. Please, find length and width and simplify. :) 
Algebra
Given that, 9,554 divided by 562=17, how can you find the quotient 95,540 divided by 562? Please help answer thanks 
algebra
The area of a triangle is 25 cm squared. The base is twice the hight find the hight of a triangle. please help me I cant do it without a help!!! 
algebra
I have a rebus puzzle it says THRU in bold print and AND in regular print THRU AND PLEASE HELP! ! 
Algebra II
(34yi)(6+7i)[(23yi)3(1+7i)] Express it in a+bi form I got 19+42i21yi+28y but I do not know how to express it in a+bi form, can you please help me with it? 
Algebra
Can you please advise if I worked this problem correctly: 11 + x = 15y 2x  5y = 48 15y = 11+x y = .73 + 15x 2x (.73 + 15X)  48 2x 3.65 75x = 48 73x  3.65 = 48 x = 51.65 x = .70 
algebra
Find the coordinates of the circumcenter for ∆DEF with coordinates D(1,1) E (7,1) and F(1,5). can you please explain how i can find this answer? i am having trouble 
algebra  exponentials
My question is how do I know that N increases by a factor of 2.9 each day. (see below) Let N(t) be number of bacteria after t days. N(t) = Pa^t for some constants P and a. N(2) = 5400 and N(6)=382,000. a)before working problem, estimate value of N(5). b) write down 2 equations... 
algebra
^ = exponent **show work please A sheet of 67pound paper has a thickness of 100^1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67pound paper b. write and evaluate an expression for the total thickness of 2^3 sheets of 67pound paper. I've... 
Algebra
I am having a problem with solving a composite function in Algebra 1 How do I solve f(x) = 2x + 1 and g(x) = 4x? Don't I need more info? No, that is all you need. I it unclear what you want to do here. see http://library.thinkquest.org/C0110248/algebra/functions_c.htm 
Algebra
Can you please help with this problem: At Super Saver Mart (SSM), you can buy three packs of toilet paper and seven boxes of cereal for $46.00. You can also purchase 8 packs of toilet paper and 4 boxes of cereal for $75.00 at SSM. What is $14 more than the combined price of ... 
math
please check my answers A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6 *** B. 2/6 C. 4/6 D. 3/6 2. P(number ≥ 3) (1 point) A. 4/6 **** B. 1/6 C. 2/6 D. 5/6 3. P(complement of 4) (1 point) A. 1/6... 
math
can you check my answers please. Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x) = 4x^4 + 5x^3 + 2x^2 + 4x  3 i got that it rises to the left and rises to the right f(x) = 5x^4  2x^3  4x^2  4x + 2 i got that it falls to the ... 
math
can you check my answers please. Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x) = 4x^4 + 5x^3 + 2x^2 + 4x  3 i got that it rises to the left and rises to the right f(x) = 5x^4  2x^3  4x^2  4x + 2 i got that it falls to the ... 
Integrals Log/Ln
Can you check this please i'm not sure why it's wrong .__. 1) indefinite integral of 1/t *ln(t) dt the t*ln(t) is altogether on the bottom i got ln(ln(x)) + C 2) find the indefinite integral of 1/(sqrt(t)*[12*sqrt(t)]dt sqrt(x) is on the bottom. i got ln(12*sqrt(t))+C can ... 
Math: please check
Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of 16) the digits from the set 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. If one slip is drawn at random, what is P(odd number or a consonant)? ... 
Please check my calculus
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 minute, how fast if the water level falling in feet per minute when the water is 3 feet high? Volume of a cone is V=1/3(pi)r^2h A. 1.000 B. 5.305 C. 15.... 
algebra
A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 94/4 = 13/3 simplify by removing factors of 1 : 7y14/7y add: x+6/x + x/... 
Math help please check
Add or Subtract for #34 3. (2x2 + 6x + 1) + (–7x2 + 2x – 3) 5x2 – 4x – 2 –5x2 + 8x – 2 5x2 – 8x + 2 –9x2 – 8x + 2 4. (3x2 – 7x – 4) – (6x2 – 6x + 1) –3x2 – x –5 –3x2 –13x + 5 9x2 – x + 5 3x2 – 13x – 5 My answers: 3. 5x2 – 8x + 2 4... 
8th Grade Algebra:Radicals
{ this means means square root How do you solve these kind of radicals: 1. (5{14)*(3{2) 2. (4{2+2)*(3{31) Can someone show me how to do these correctly please ? 
algebra
find the indicated sum 4 on top of sigma symbol i=1 on the bottom of sigma symbol 3^i on the right side please help me figure this out 
algebra 1
Reiny I posted a question earlier (about 3:00) and I have a question about your solution. How did you get 4x? I came up with 8x which does not allow for anymore reduction. Please let me know how you did it. Thanks! 
PreAlgebra [urgent!]
I can't find the solution to this problem; can someone please show me how to solve it stepbystep? Solve the equation for y in terms of x: 1. 8x + 5y = 10 Thanks! MC 
algebra
I need to write an equation of the line containing the given point and parallel to the given line in y=mx+b form (7,9);x+4y=7......can you please help me find the solution 
algebra 2
for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. g(x)=6x+5 please explain how you got the answer 
algebra
This should be simple ( and it probably is). [527].5 divided by 5 22.5= 110 divided by 5 = 22 They said this was wrong! 5.22=+110? Right? Please help my scattered brain! <3 Amy 
algebra question
Please help me answer the following Explain how you would determine if two binomials would produce the difference of two squares. 
Algebra II
I need to rewrite this with rational exponents. (√3mn)^9 I have no clue of what I need to do. Can someone please take me step by step? 
Algebra 1
Translate to an inequality using the variable x. The number of people in the chess club is less than or equal to 21. Please let me know if this is correct. x >= (less than or equal to) 21 Thanks for you help 
Algebra 1
Please help me find the answer to this problem. it would be nice to have the details to how you came by the answer: Radical of 3/4 + radical of 1/3 your help is greatly appreciated 
algebra
Can someone help me figure this out please? when you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? thank you anyone 
Algebra
Use the Quadratic equation to determine the last day that cowboy hats will be sold. cowboy hats = 0.4x^2 + 20x + 10 Please help me work through this. 
Algebra
Solve. Please show all of your work. The sum of twice a number and 4 less than the number is the same as the difference between 32 and the number. What is the number? 
algebra
Which set of numbers does 55 belon? natural whole integers irrational i'm not sure but leaning towards natural or whole. Can someone please help? 
Algebra
How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver? Please help me set this problem up 
algebra
x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please 
algebra
simplify: 6sqrt7sqrt7 A. 6 sqrt7 B. 5 sqrt 7 C. 5 D. 6 Simplify: 2sqrt12+ sqrt3 A.5sqrt3 B. 3sqrt3 C. 2sqrt15 D. 3sqrt15 Need help on these please 
algebra 2
samara solved 1/5 divided by 10 by using a related multiplication expression. Which multiplication expression did she solve? Please show work and help answer thanks 
Algebra please can you ck my work
Evaluate the given expressions (to two decimal places). log 1.69 =123 log 2^512 = .09 log 2^1 = 0 log o.o46 =1.34 Thank you 
college algebra
compare and contrast the ways in which solving a linear inequality is similar / dissimilar to solving a linear equation please explain 
algebra 1
A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help! 
algebra 1
A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help! 
Algebra 2
Find the equation for the parabola with the given vertex that passes through the given points. vertex (4,2) point (3,0) please show work!!! 
Algebra 2
simplify each expression. rationalize all denominators. assume that all variables are positive (1sqrt(3x))/(sqrt(6x)) Please show work!!!!