Algebra, help + check please

103,406 results, page 68

Algebra help please!

Which of the following angles is NOT coterminal with the other three? A. 591 degrees B. 231 degrees C. 51 degrees D. -129 degrees

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^2-y+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.

Francais

Could you please check this short paragraph for mistakes? Thank you, I appreciate it. Quand Heffner a pensé de créer sa société il vivait dans un motel et il il n'a eu aucun espoir. Sa société ne faisaient pas bien. Cinq ans après être parti de la maison, il n'a eu ...

english 6th

Please check for errors...THANKS Plural possessives Some careers were once mens' jobs. Any job can also be a woman's work. A firefighter's job is very dangerous. Tugboat pilot's training takes seven years. Dolores's dream is to be an astronaut. Everyone waited for reports of ...

English

Color of Our Friendship Friendship is full of colors. Red is action. It makes us feel active. Yellow is happiness. It makes us feel happy. Gray is age. It keeps us living harmonously together. Friendship is full of colors. (It is a poem I made. Would you check the poem and ...

LA Check please

which is the best paraphrase of these lines from "January"? Fat Snowy Footsteps Track the floor, A)Thick, snowy footprints show where animals walked B)Thick, snowy outlines of feet mark the floor ****** C)Large snow boots lie on the floor of the house D)A fat, snowy creature ...

Physics Check My Work Please

Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20 m/s can safely negotiate the curve if the radius of the curve is 200m. * Data: v=20 m/s r=200m *Formula TAN(theta)=v^2/rg *Solution TAN(theta)=(20 m/s)^2/(200m)(9.8 m/s^2) TAN(theta...

one english question answer check

15. A Works Cited list is a list of (1 point) sources you quoted in your research paper. sources you consulted while doing research. texts written by experts in your research subject. texts recommended by other writers on the subject. It's either A or B my answer would be A ...

help on a question

I needed help on a physical science question. When the molecules in a body move with increased speed, it's possible that the body will change from a... A) gas to a liquid B) gas to a solid C) liquid to a solid D) liquid to a gas PLEASE HELP ME!! If the molecules are increasing...

science: check my answers please

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is ...

science (please check my answers)

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is ...

SOCIOLOGY

Check a school or public library or a nearby bookstore for a collection of jokes and humorous stories. How many stereotypes of minorities are in such books? What roles do humorous images of minority groups play in our perceptions and thinking? Why are stereotypes difficult to ...

English

Read the thesis statement that follows. Identify why it is a good thesis statement. Government should provide health insurance because the costs of uninsured people damage the economy. A.It is interesting B.Everyone already knows it’s true. C.It mentions a broad topic, makes...

Math

Please double check my answer. On three consecutive passes, a football team gains 7 yards, loses 22 yards, and gains 49 yards. What number represents the total net yardage? My answer: The total net yardage is 34 yards.

Calculus (Normal Line, please check my work)

The slope of the line normal to the graph of 4 sin x + 9 cos y = 9 at the point (pi, 0) is: Derivative: 4cosx - 9siny(dy/dx) = 0 (dy/dx) = (-4cosx) / (-9siny) (dy/dx) = (4) / 0 Normal line = -1 / (4/0) Does this mean that the slope of the normal line is undefined, or did I do ...

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...

Engliish Lit-Please 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 construction-one 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 ...

CellBiology

For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stop-transfer peptide, transcription d. stop-transfer sequence, translation e. stop-...

Biochem

For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stop-transfer peptide, transcription d. stop-transfer sequence, translation e. stop-...

math

need to check answers please 9/11-3/11+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. ...

Algebra

I need help remembering this. What way is the y-axis 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(x-5) c.x is replaced with (x+3) d.y is replaced with (y-6) 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/x-1 and g(x) = 1 + 3/x find the composite function of (fog)(x) (fog)(x) = f (g(x)) =f (1+3/x) =6/x-1 ????

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

algebra-trig

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-trig

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 algebra--need 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 real-life 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.

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(x-3)<3x+53 Please help me with these equation and how to write the solution on a numberline. Thanks.

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^2-3 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^3-30x^2-67x-21 BY 7x+3...will I get 4x^2-10x-21? THEN 28x^3-30x^2-21THEN 14x^2-15x^2-21???? PLEASE HELP!!!

algebra, help please?

So the problem is y-2=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

(3-4yi)(6+7i)-[(2-3yi)-3(1+7i)] Express it in a+bi form I got 19+42i-21yi+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 - 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 67-pound paper has a thickness of 100^-1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67-pound paper b. write and evaluate an expression for the total thickness of 2^3 sheets of 67-pound paper. I've...

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.sue-project 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 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

Math-ASAP please

1. (-10x^3 + 30x -20) divided by (-5x+5)? a)2x^2-2x+4**** b)-2x^2-2x-4 c)-2x^2+2x+4 d)2x^2+2x-4 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. ...

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...

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 ...

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{3-1) 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!

Pre-Algebra [urgent!]

I can't find the solution to this problem; can someone please show me how to solve it step-by-step? 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). [5-27].-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: 6sqrt7-sqrt7 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

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