# algebra - Am i doing this right?

63,172 results

### Algebra 2

Here is an Algebra two question that confuses me. Question:: What are the left and right behaviors of f(x)=-3x^5+x^4-9x a.) Rises both to the right and to the left b.)Falls both to the right and left c.)Cannot be determined d.)Rises to the right and falls to the left e.)Rises ...

### algebra am i right

John has 75 books in his store. If he originally had 200 books, what percent of the original number of books remains ? 37.5 % am i right? 75/200=.375=37.5% Yep, you're right yes yes its right

### algebra

What percent of 320 is 220 my answer is 6.88 make as a decimal.is this right. -12(<)15 is less right. -7-(-4)=-3 this subtract answer. -9.8+(-4.9)=13.7 is these problem right.

### Algebra- is my answer right

Choose the end behavior of the graph of each polynomial function. A f(x)= -5x^3-4x^2+8x+5 B f(x)= -4x^6+6x^4-6x^3-2x^2 C f(x)= 2x(x-1)^2(x+3) A= falls to the left and rises to the right B= Falls to the left and right C=Rises to the right and left.

### Algebra

I need to evaluate the following expression. Can anyone tell me if I am right on this or on the right track? Thanks 6 (x+3) - 4 (x+2) 6x+18) – (4x+8) 6x + 18 - 4x -8 2x +10

### Algebra

Translate to an Alegebraic expression Twice d. my answer is 2-d is this right. -(y+48)=y-48 is this right

### Algebra- is my answer right

Graph the Circle x^2+y^2+4x-2y-20=0 I get: (x^2+4x)+(y^2-2y)=20 (x^2+4x+4)+(y^2-2y+1)=20+16+4 (x+2)^+(y-1)^2=(40/2)^2 But I don't think its right can you help me with what I did wrong? Thanks

### Algebra

Factoring x^2+1= (x+1)(x+1)= 5 Trying to see if I am doing it right or have the right answer.

### Algebra

solve x+21/x+3<2 x+21/x+3 - 2(x+3)/x+3 <0 x+21-2(x-3)/x+3<0 x+21-2x-6/x+3<0 answer 15-x/x-3<0(is this right?) For Further Reading Algebra - Anonymous, Thursday, April 3, 2008 at 5:07pm You are close. They want you to find the values of x so that the equation the...

### Algebra 1

Graph the equation and identify the y intercept y= 3/2x -4 Would this be the right answer? (-4,0) 3/2 three to the right and 2 up, therefore 3,2?. Thank you.

### Algebra

Not sure on a few of my answers, can you help? 1. Find the slope and y intercept : f(x)=-5x-7 slope = -5 intercept = (0,-7). Is this right? -1/2x=-5/6 my answer was 5/3 was this right? If I have these two sets of coordinate (-4,0) and (0,2) will my slope be -1/2? Same question...

### Algebra- is my answer right

The one-to-one function f is defined by f(x)=(4x-1)/(x+7). Find f^-1, the inverse of f. Then, give the domain and range of f^-1 using interval notation. f^-1(x)= Domain (f^-1)= Range (f^-1)= Any help is greatly appreciated. Algebra - helper, Wednesday, February 2, 2011 at 7:...

### Algebra

Here is what I got to do : write an inequality for my classmates to solve. In my inequality, use both the multiplication and addition properties of inequalities; before I summit this to class I want to know if I did it right: 5(x + 8) -6 > 4(x + 6); 5x + 40 - 6 > 4x + 24...

### Health

Which statement defines your righs as a consumer? 1 the right to information, 2 the right to consumer protection by the government, and 3.... The right to complain. The right to avoid fraud. The right to evaluate claims. The right to not pay. (MY ANSWER)

### Algebra

Thank you Christina.. I am taking Algebra online...something I would never recommend....How would I write the equation of the line passing through (6,37) and (1,12)? the most common way is to use y=mx + b where m is the slope and b is the y-intercept so the first thing you ...

### Algebra

Which of the following describes the end behavior of the graph of the function f(x) = –2x^5 – x^3 + x – 5? A. Downward to the left and upward to the right B.Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the ...

### Algebra

Which of the following describes the end behavior of the graph of the function f(x) = –2x^5 – x^3 + x – 5? A. Downward to the left and upward to the right B.Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the ...

### Math

Solve the puzzle =RIGHT(LEFT($B$2,84),1) =RIGHT(LEFT($B$2,17),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,234),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,4),1) =RIGHT(LEFT($B$2,173),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,209),1) =RIGHT(LEFT($B$2,4...

### algebra

1/3x > 2 and 1/4x > 2 both are less than one so how do i graph this on the number line? I'm confused. I will assume you meant (1/3)x>2 and not 1/(3x)>2 With that assumption, you would get x>6 AND x>8 x>6 is a line to the right of 6, excluding the 6 x>8 ...

### algebra

I need to find the intercepts and then use them to graph the equation. 4y - 12 = 4x I started out 4y - 12 + 12 = 4x +12 getting 4y = 16x but I do not think I am on the right path..something does not look right..please guide :)

### Algebra

How do I identify an exponential growth/decay function on a graph? I'm assuming that if the curve moves from left to right, upwards, it is growth, and if it moves left to right, downwards, then it is decay. Please tell me whether this reasoning is right or wrong.

### Social Studies

The First Amendment protects which rights? (Select 2) - the right to own a gun - the right to a fair trial ** - the right to practice a religion (or not) ** - the right to criticize the government - the right of owning property help

### algebra

solve. -0.5 < -20= 0.5 <-20= 4 is this right. 17c+6d-12c-8d 29c+6d-8d 29c+14d is this right. collect like terms.

### Algebra- is my answer right

Simplify. (2b^-4 c^6)^5 I get b^20/32c^30 Is that right? Write your answer using only positive exponents.

### Algebra

Right triangle ABC has the right angle at C. Angle B is 18.5° and side a is 17.9 centimeters.Find the length of the hypotenuse.

### algebra

8a + 8b _______ 12c + 12d factor to a + b _______ c + d Is this right? No, what happend to the 8/12 ? would it be 2 (4a + 4b) _____________ 6 (2c + 2d) Is this right??? No. what about ..lets see, 8/12 reduces to 2/3, so 2(a+b)/3(c+d)

### pre-algebra-is my answer right

Rewrite the expression without using a negative exponent. 4z^-4 Simplify your answer as much as possible. is this right? (1/4z^4)

### algebra

Help me solve this problem please, I have tried so many time.I can not seem to get the problem right. x +12 <-8 or x+12>2 x+ 12 < -8 =x +12 > 2 x =4 > -10 is this right

### algebra

is 5x + 2y = 8 look like horizontal, vertical, slanted right upwards,slanted right downwards?

### algebra

x+6=24 x+6+(-6)=24 +(-6) x= 18 is this right. 3(x+4)=5(x-2) 3x+12=5x-10 3x-5x=12-10 2x=-22 x=-11 is this problem right

### Social studies

The first amendment protects which rights? Select all that apply. The right to own a gun? The right to a fair trial?** The right to practice a religion(or not)? The right to criticize the government?** The right of owning property?

### algebra-Am I right so far

Use the quadratic formula to determine the x-intercepts (if any)f(x)=2x^2=2 am I right so far? f(x)ax^2+bx+c y=ax^2+bx+c y=2x^2+2 y=0=>2x^2+2=0 =>2x^2+2=0 ax^2=2,bx=2,c=0 x=b=sqrtb^2+4ac over 2a x=(2)+sqrt(2)^24(2)(0)over2(2) x=sqrt4+4over 2

### algebra II

multiplication of polynomials by polynomials. 2^n-3 b^2n-2 (b^2-2^5-n b) I get 2^n-3 b^2n - 4^2 b^2n-1 but that is not right. I am stuck on the -4^2 part only. The rest is right.

### Algebra

First, I really stink @ Algebra. How do combination of signed numbers work? I keeping getting 6 but for some reason I don't think its right. -1-(-6+-1) -1-6+1 -5+1=6

### Pre Algebra

In the given right triangle, find the missing length. The triangle has 24m on the right and on the left is c and at the bottom is 10m. a. 28m b. 26m c. 25m d. 27m

### Social studies

The First Amendment protects which rights? Select all that apply (2 points) A). the right to own a gun B). the right to a fair trail C).the right to practice a religion (or not) D).the right to critize the government E). The right of owning property

### Algebra

Here is what I got to do : write an inequality for my classmates to solve. In my inequality, use both the multiplication and addition properties of inequalities; before I summit this to class I want to know if I did it right: 5(x + 8) -6 > 4(x + 6); 5x + 40 - 6 > 4x + 24...

### Algebra II

ok now this is an algebra 2 problem... I have goten far down to hear e^(ix) = (4i +/- 3)/5 now how do I solve for x I feel really stupid now as this is algebra 2... can't use natural log right or the common log as ln( e^(ix) ) does not equal ix so what do I do?

### Algebra

I need some help with algebra I'm not sure how to get to the answer. Find the number of terms in each sequence. 1. a1=4 an=42 d=2 2. a1--0.3 an=-36 d=2.1 3. 1/12, 1/8, 1/6, 5/24, 1/4,......9/8 Evaluate each sum. 1. There is an e like symbol that has a 15 on top on the bottom n...

### algebra

Which of the following describes the end behavior of the graph of the function f(x) = –x6 – 3x4 + 7x – 5? a. downward to the left and upward to the right b.upward to the left and downward to the right c.downward to the left and downward to the right d.upward to the left ...

### College Algebra

Choose the end behavior of the polynomial function. f(x)= -5x^5-9x^2+6x+1. I got left end up right end down. Is this right? Thanks

### algebra

can someone please help me with my algebra i got this as a answer and i don't know if its right. N(t)= -3t^3 + 23t^2 + 8t a. Rewrite the formula by factoring the right-hand side completely. N(t)= -3t^3 + 23t^2 + 8t N(t)= (-t)(3t^2 - 23t - 8) N(t)= (-t)(3t+1)(t-8) b. Use the ...

### algebra am i right

Find the volume of a right circular cylinder whose base has an area of 6 cm^2 and whose height is 17 cm. [A] 153ð cm^3 [B] 612ð cm^3 [C] 102 cm^3 [D] 153ð cm^2 [E] None of these i think its C Please show your work. That's the right answer, but we'd like to know why too. um ...

### Algebra- is my answer right

The function g is defined by g(x)=3x^2+6. Find g(5y) Algebra - drwls, Friday, February 4, 2011 at 11:07am 3*(5y)^2 + 6 = __? Algebra - Janet, Friday, February 4, 2011 at 3:56pm I get 75y+6

### math 116 algebra 1A

can someon help please. why is it important that you follow the steps rather than solve the problem from left to right?I have no clue. this is my first time taking algebra

### algebra

I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=-4 y+2x=3 -1(y+2x=3)-y-2x=-4 now add the two equation y-2x=3 -y-2x-4 the answer would be -4y=7 then divided -4=7 answer 1.75 I no that there is more to this answer I am just stuck and not sure...

### algebra

I need to know if I am doing this problem right when sustitution method. y+2x=3 y+2x=-4 y+2x=3 -1(y+2x=3)-y-2x=-4 now add the two equation y-2x=3 -y-2x-4 the answer would be -4y=7 then divided -4=7 answer 1.75 I no that there is more to this answer I am just stuck and not sure...

### ALGebra Simplify

I cant figure this out 6 /2 * 8-8 /2 i got 6/2 * 8-8 /2 3*8 4 24 -4 = 20 is this right way? 29 - (3+5) *2 +3 i got 16 is that right? 5-[6+3(-40/8) + (-2)exponent 2 i got 9 x5 = 45 + 4 = 5 -49 = -44 is that correct?

### Algebra

Which of the following describes the end behavior of the graph of the function f(x) = –2x^5 – x^3 + x – 5? A. Downward to the left and upward to the right B. Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the ...

### Algebra

Which of the following describes the end behavior of the graph of the function f(x) = –2x^5 – x^3 + x – 5? A. Downward to the left and upward to the right B. Upward to the left and downward to the right C. Downward to the left and downward to the right D. Upward to the ...

### Algebra

Which of the following describes the end behavior of the graph of the function f(x) = –2x^5 – x^3 + x – 5 A.Downward to the left and upward to the right B.Upward to the left and downward to the right C.Downward to the left and downward to the right D.Upward to the left ...

### ALGEBRA

I also have an answer for this one. Just need to be sure. Says to solve then graph. x +9>2; x + 9 - 9> 2 - 9 x > - 7. I believe this means anything to the right of -7 could be a solution. I would graph this with an open circle at -7 and shade to the right of the ...

### algebra

Use < or > to make the statement true. -11 > -5 is this right. Solve for the indicated letter. b=2c for c The solution is c=2*c is this right. Solve -0.5<-20 THe solution is (x|4 Check these problem for me please

### Algebra (College)

I need to divide this polynomial synthetically. I think I did it right, but can someone confirm if my answer is right or wrong? Polynomial: x^4 - x^3 + x^2 - x + 2 Divisor: x-2 My answer: x^3 + x^2 + 3x + 5 + 12 (remainder) ---- x-2

### algebra

Can anyone help me to understand algebra? Right now I am working on Systems of Linear Equations in Two Variables and I do not understand any of it. Thank you.

### Algebra

I have two problems that I need some help with. I believe I got to the answer but not quite sure if its right. I need to expand and evaluate each series. 1. There is an E like symbol that has a 7 at the top. On the bottom k=1 and on the right side (-1)^k K 2. There is an E ...

### Algebra II

Solve each equation. Check for extraneous solutions. Solve:|x+5|=3x-7 My answers were: x=6 and x=.5 I don't think they are right though, but I should get 2 answers right???....Help!

### mrs SUe Algebra check

I cant figure this out 6 /2 * 8-8 /2 +4 i got 6/2 * 8-8 /2 3*8 4 24 -4 = 20 is this right way? 29 - (3+5) *2 +3 i got 16 is that right? 5-[6+3(-40/8) + (-2)exponent 2 i got 9 x5 = 45 + 4 = 5 -49 = -44 is that correct? [-6*(2-4)]/(-2)-(-9) i got -1.71

### Algebra

b=2, c+ sqrt of 13. Trying to find the length of the 3rd side. It is a right triangle with A on top, 2 on the right side and the sqrt of 13 on the left.

### Algebra 1

8.A number raised to a negative exponent is negative. Always, never , or sometimes. 7. Evaluate 1/2a^-4b^2 a = -2 and b = 4. 6. Simplify. Write in scientific notation. (9 x 10^-3)^2 Thanks to anyone who helps right away and need right answer from the people who have already ...

### college algebra

Just che king to see if I did this right. f(x)=(x-4)^2+6 Graph f(x) I graphed 1quadrant 4 up 6 Identify vertex (4,6) Identify intervals f(x) is increasing and decreasing D [-00,6) I (6,00] Checking to see if I figured this right. Thanks

### American Constutional Law

Which right is NOT explicitly mentioned in the Bill of Rights? A. Right to privacy B. Right to bear arms C. Right to due process D. Right to grand jury indictment in capital cases I am confused on this one. They are all mentioned, but it says "right to jury" and not "grand ...

### Algebra II

Evaluate: ƒ(2) + 5 It says to use this graph to solve the equation: h t t p://i55 . t i n y p i c . com/2qdvfur.jpg Right now we're on Algebra and Composition with Functions. I have no idea what I'm supposed to do, and there are no instructions for any of these problems in ...

### Social Studies

The first Amendment protects which rights? Select all that apply the right to own a gun the right to a fair trial the right to practice a religion (or not) the right to criticize the government the right of owning property What do the 15th, 19th, and 26th Amendments have in ...

### algebra 2

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...

### algebra 2

How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that is right, thank you ...

### English

1. Dokdo was recorded as part of Korea in the 500s. <in the 500s =in the five hundreds (right?) It is from 'in 500' to 'in 599.' Am I right?> 2. People can fly in the 2000s. < in the 2000s = in the two thousands (right?) It is from 'in 2000' to 'in 2999.' Am I right...

### English

1. He raised his right hand a little. 2. He raised his right hand a bit. 3. He raised his right hand slightly. 4. He raised his right hand a lot. 5. He raised his right hand much. 6. He raised his right hand a little. 7. He raised his right hand just a little bit. 8. He raised...

### algebra

-7/10-1/5=-7/10-2/10=5/10=-1/2 is this right -5/8+2/7=-35/56+16/56=-19/56 is this right

### Math

Hello, I need to know if I have the right answers to these questions. 2x-y=3 question is which of the following points lie on the line. is the answer 0,3 (-1,1) (2, 1) (-3, 1) (-3, ) or (1, 2) I chose the answer (-3, 1) is that right, second question: If x+7andY+2 then x-3y= ...

### American Government

1.)Most amendments have _____. =a)expanded and clarified the principles embodied in the Constitution b)radically changed and undermined the principles of the Constitution c)been approved just by Congress d)restricted the right to vote 2.)What is the defining right of a ...

### Algebra 2

Use the information provided to write the standard form equation of each parabola. 1) Opens left or right, and passes though (18, -5) (18, -13) and (6, -11) 2) Opens left of right, vertex: (10, -10), passes through (-26, -7)

### algebra

Is (5,2) a solution of 4x-2y=-6 I said no, am I right? I am working on another problem where they want to know if this system of equations is perpendicular or parallel or neither, I said neither. Is this right? I am to solve by using elimination: 2x+3y=1, 4x+6y=2 I keep ...

### Algebra

You want to buy 8 books for $19.68 each, estimate the total cost show your work. I did 19.68 x 8 and got 157.44 then rounded the answer and got 157 am I right? Or The second time I tried I estimated 19.68 and got 20 so then I did 20 x 8 and got 160 Is this right?

### algebra

Area of a square find a polynominal A(X) that represents the area of the shaded region u have a square with an arrow pointing left and right at top of the square with x @ the top and a arrow up and down on the right side of the square.The #3 on the right and left of the square...

### Chemistry130

Can someone please help me with this? Are these substances acids or bases? 1. Tums- Base, right? 2. Vitamin C- Acid, right? 3. Nail Polish Remover- Base or Acid? 4. Coca Cola Pop- Acid, right? 5. Cream of Tarter- Acid, right? 6. Calamine Lotion- Base or Acid? 7. Lemon Juice- ...

### algebra

what is x short leg for right triangle when given long leg b is 1/2x +11 when given hypotenuse c is 2x + 1 i put (-1/2x + 11) +(2x + 1) = x and came out with 20 but that did not work out when squared A + b = C. I estimated x/a = 8, then b = 15 and c = 17 and that works 8^2 + ...

### algebra

I have a math worksheet and it is SO confusing. can anyone help. the question on the worksheet is IN MUSIC WHAT DOES "ALLEGRO" MEAN? it's page 190. PPPPLLLLLLLLZZZZZZZZ. like right now i need the answer. i looked it up on google what allegro means and it said a very fast tempo...

### math

The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to the right side B. Divide the right side by ...

### Math- Algebra II

Please check if I did this right... √(2x+1)+7= 3 -7 -7 √(2x+1)= -4 Square everything √(2x+1)^2= -4^2 2x+1=16 -1 -1 2x=15 divide by 2 on both sides x=7.5 CHECK: (Plug it in) √(2(7.5)+1)+7= 3 √(16)+7= 3 4+7=3 11 doesn't equal 3 so the answer is no ...

### algebra

I have a question about exponents of rational expressions. I have two answers for one problem. One was written on a university mathlab and the other from a calculator. (3a^3/2)*(-7a^1/5) = -21a^17/10 (3a^3/2)*(-7a^1/5) = -21^a4/10 Can you tell me which is right? The first one ...

### Algebra 1 I need help!!!!!!!!!!!!!!!!

8.A number raised to a negative exponent is negative. Is it always , never, or sometimes. 7. Evaluate 1/2a^-4b^2 a = -2 and b = 4 remember a^to the negative 4 6. Simplify. Write in scientific notation. (9 x 10^-3)^2 Thanks to anyone who helps right away and need right answer ...

### algebra 2

Posted by hellogoodbie on Saturday, January 16, 2010 at 2:59pm. How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010...

### Algebra II

(-5^2) = -25 right ?

### algebra

a.(16-2+13=27) B.(8+2-9=11) c.(3-10+9*7=56) right

### Algebra

is this right? 5/2x + 1/4x = 5/4 + x (2/2)5/2x + 1/4x= 5/4 + x, 10/4x + 1/4x= 5/4 + x, 11/4x= 5/4 +x' 10/4x-x = 5/4 + x - x, 6/4 x = 5/4, (4/6)6/4x= 5/4(4/6), x= 5/6.

### Algebra

Is this right? 5/4x + 1/8 x =9/8 +x 11/8x= 9/8 +x 3/8 x = 9/8 x= 3

### Algebra

[2x^2-8x/x^2-16] / [8x^2/(x+4)^2] = x+4/x right?

### algebra

is this right? 2/3+3k/4=71/12 y=12/8

### Algebra 2

4t-3s^2+s^3 for t=-2 and s=-3 4(-2)-3(-3)^2+(-3)^3 -8-3(-9)+(-27) -8-(-27)+(-27)=-8 Am I right?

### Algebra

5(a - 7) + 7= 2(a - 5) 5a -2a= 3a 14 - 5 = 9 Am I doing it right? a = 27

### College Algebra

I need to divide this polynomial synthetically. I think I did it right, but can someone confirm if my answer is right or wrong? Polynomial: x^4 - x^3 + x^2 - x + 2 Divisor: x-2 My answer: x^3 + x^2 + 3x + 5 + 12 (remainder) ---- x-2 ( the x-2 in my answer is meant to go under ...

### algebra 1A

on the order of operation, do I not put these answers as well as do the grouping? what about evaluate all powers before other operation? multiply & divide in order from left to right. add & subtract in order from left to right. Are thses correct?

### Algebra

So I'm working on this diamond thing and it looks like this right now -8 (Blank) (Blank) 7 And I usually I multiply to get the top number and add to get the bottom one, but since the top and bottom are filled how do I get the left and right blank ones?

### algebra

Is this right if I substitute -2 for x? f(x)=x^2-7x=10 f(-2)=-2^2-7(-2)+10 f)-2)=-4-(-14)+10 f(-2)=-8

### algebra

Multiply (7-2x^4)^2 Is this right? 36(-2x^4+7)

### algebra

Add (r-8s+6)+(4r+7s)+(s+3) Is this right? 5r+9

### Algebra

Multiply: 8(n+1)= 8(1n)=8n. Is this right?

### algebra

2y+1<-3 2y +1<-3 2y+1-3 2y=-4 2y=-4 y=-2 Did I work this right