# Algebra, help + check please

104,559 results, page 35

### algebra help please ASAP

Express in simplest form. 1. -4/x^3 + 9/x + 2/x^2 2. 7/10x^2 + 1/2x^3 + 11/5x 3. a + 4/3a + 2a - 1/5a^2

### Algebra help PLEASE?

I need the volume of the cylinder Radius = 10 Height = 20

### algebra

y/4=15/20 how do I solve the proportion? please explain it to me. I have several to do

### Algebra

Please help me simplify the expressions and solve the equations? 1. v^2 + v - 12/ v^2 + 6v + 8 divided by 2v - 6/ v +2 2. 2/ b-2 = b/ b^2 - 3b +2 + b/ 2b - 2 3. 1/ x-2 + 2x/ (x-2)(x-8) = x/ 2(x-8) 4. (m^2 + 2m + 1/ m^3 + 3m^2 + 3m +1 (m^2/m - 3m/3) Thanks!

### Algebra please help

$11,000, invested for 9 years at 3% compounded quarterly.

### Algebra 1B

f(x) = -7x^2 + 3x + 5.What is the appropriate values when solving? I just do not understand help please

### Algebra

y-1/x+3=-3/4 solving for y. Please show steps so that I can get a better understanding of this.

### Algebra

(Rational exponents)simplifying a^1/2/a^2 Please post steps

### Algebra 1--Please, help me!

Multiply. Simplify your answer. 1. n + 3/n- 5 x (n^2 - 5n) A: n^2 + 3n 2. 6xy^2/2x^2y^6 x 6x^4y^4/9x^3 A: 2 3. 3h^3 - 6h/10g^2 x 4g/g^2 - 2g A: ? 4. m^2 + m - 2/m^2 - 2m - 8 x m^2 -8 + 16/3m -3 A: m-4/3

### Algebra 1--Please, help me!

What are 2 values of b that will make 2x^2 - bx - 20 factorable? Explain your answer. A: ?

### Algebra

please help me and explain how you got the answer. Solve the equation. y + (–6) = –9 A. –15 B. –3 C. 54 D. 3

### Algebra

solve by substitution. Please show all work. -6x+5y=1 6x+4y=10

### Algebra

Please help. What is the x intercept of y+4=-4(x-2) I've gotten like 2 different answers: -3 and 1.

### algebra

confused mom can someone please help me. Solve. x/5-x/2=21 what is the value of x? a)-70 b)-7 c)7 d)70 Thanks to anyone who can help.

### Algebra

Suppose that D + E = A, that N/A=.25 and that D/A=.60. Solve for N/E. Help! Explanation please. I want to understand this problem.

### Algebra: help!

Solve for x in each of the following: a: 2/3x = 11/6 b: 3/4 / x = 1/3 c: 5/6 - 2/3x = 3/4 d: 2x/3 + 1/4 = x/6 - 1/2 Please help me and explain, I don't get fractions at all!

### Algebra 2

Solving Quadratic Systems x+2y=4 3x-y=5 Please show work!!!

### Algebra 2

Solving Quadratic System y=4x+1 2x-y+1 Please show work!!!

### Algebra 2

Solve Quadratic System x^2+y^2=2 x^2-6y=10 Please show work!!!

### Algebra 2

Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!

### Algebra Help Please

I need to be shown the steps on how you derive at this answer (5a^7 / 2b^5c)^0 = 1

### Algebra Help Please

solve using the substitution method. -8x + y = 18 9x + 13y = 8

### algebra

Please simplify the expression and solve the equation.Thank You. v^2+6v+8,/v^2+v-12, devided by v+2/2v-6

### Algebra

Can you please help me solve r1/r2 = sqrt(M2/M1)for M1. My answer: M1=M2r2^2/r1^2 Is this correct?

### Algebra

(16x^5*y^10/81xy^2)^(3/4) please explain how to do this, I am at a complete loss

### algebra

a4b+a2b3 please factor and explain the process

### Algebra

express using positive exponents. simplify each. please (-5c^-3)^4=? thank you

### Algebra

Factor: x^4(4) (2x+1)^3 (2x)+(2x+1)^4 (4x^3) Please help! I cannot figure out how to go about this problem

### Pre-Algebra(please help ASAP!!!!!)

Find the GCF's of the numbers 36, 81, and 27

### algebra please explain

I don't know how to solve this. what is numerical coefficient of this term -3z

### algebra

Please can some one help me with solving this simplifying polynomials. (-7y^2+4y+6)=(7y^2-4y+4)-(2y^2-2y-6)

### Algebra 1

Solve the equation for A. 12AB + 7B = 5A Please help, I am completely stuck.

### Algebra

please help with this : Consider the expression x^2-4x-12 and determine the values of x for which 1/x^2-4x-12 is undefined

### Algebra 2

1/64=16^2a 4^-3=(2^4)^2a 4^-3=2^8a -3=8a -3/8=a I don't understand what I'm doing incorrectly can some please explain to me,in detail

### algebra

how many solutions does the system of equations have? 6x+18y=9 and -1/3x+1/2 please help! thank you c:

### Algebra

if n and x are each integers and 6=n^x then which expression represents 36n? a)n^6x b)n^6x+1 c)n^2x+1 d)n^x+3 e)n^x+6 Can you please teach me how to do this?

### Algebra

Solve the system by elimination. X+y=4 X-y=-2 I can't figure this out please help

### Algebra

Please help me find the slope of the curve for these problems. I don't know how to solve it. 1. Y = x^3 at P(-1,-1) 2. Y= x^4/2 at P (-1, 1/2) 3. Y = 8x^4 - 7x^2 + 5x +6 at P (-1,2)

### algebra

-7=11/17z I think the answer is z=-17/77 but I don't know. please help and show me if I'm doing it correct or not.

### Algebra

Divide by long division (4x^3 - 2x^2 - 8x+3)/(x^2 +5) Please help I can't figure this out.

### algebra

Please show this number in scientific notation. .00000698 Thank you.

### algebra

what is the solution of the system? Use substitution. 3x-y=-9 4x -y=-4 my answer is (-5,-6) can you please help

### algebra

Please COMPLETELY factor this expression. t^2 + 4tv + 4v^2 Thank you for helping me.

### algebra 2

Absolute value 9 [9 - 8x] = 2× + 3 9 [9 -6×] =3 9 [-6x] = -6 54x = -6 x= -1/9 , × = 1/9 Is this correct? If not could you explain please. Thank you

### Algebra

Can you please help me with this math problem: 5 6 2 9 12 3 (4X Y Z) X (5X Y Z) The numbers at the top are exponents.thank you

### Algebra 1

Multiply the binomial and trinomial (x-2)(x^2+2x+4) Can someone please help ? I do not understand what to do. Thank You

### Algebra

NEED HELP ASAP! x/x-2 + x-1/x+1 = - 1 Please show me how you got your answer as well. :)

### Algebra I

Please show me the steps to solve this: KE = ½ (900kg)*(20m/s)^2

### English

Could you please check these sentences, please? Thank you. 1) It is advisable for you to do the exercise. 2) It would be better/best if he did the exercise. (but NOT for him to do) 3) It is difficult for him to do the exercise. It is easy for him to do the exercise. 4)I'm ...

### math

solve for y? z=0.3(y-6)^2 please can you explain your working, Many thanks, Wendy. * Algebra - drwls, Friday, November 20, 2009 at 9:40am (10/3)z = (y-6)^2 y = sqrt[(10/3)z] +6 = 1.826 sqrt z + 6 * Algebra - wendy, Friday, November 20, 2009 at 9:47am I'm sorry. Really don't ...

### Algebra

|3x+8|=20; -4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were -28/3 and 4. So I got that -4 is not a solution but if someone could check for me and make sure I didn't mess up my signs that ...

### Chemistry - check answers

Can someone please check my answers and make sure they're correct? A) How much heat would it take to raise the temperature of 46.0 g of water from 90.0 to 100.0 C? Answer using correct sig figs, sign, and units. My answer: +1.92x10^3 J B) How many joules are released when 84.0...

### Chemistry check and help

what is ... Sodium bisulphate hydroiodic acid ammonium dihydrogen phosphate Zn(HCrO4)2 Calcium metal ferrous bromide sodium carbide phosphate radical Check... sodium bicarbonate NaHCO3

### Algebra

Solve each system graphically. Be sure to check your solution.If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. 2x - y = 1 x + 2y = 3

### ALGEBRA PLS HELP

CAN YOU CHECK IF IM RIGHT? |-2 +5 | ANSWER 7 |5| +4 ANSWER: 9 |-5| +4 ANSWER : 9 |5+2| ANSWER : 7 |3-7| ANSWER : -4

### algebra

graph each of the following equations below using their intercepts?. 25x + 50y - 100 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots. please answer my question with solution. 2y - 8x Please note that we ...

### Linear Algebra

Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:V--W , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3, ...wk}, the linear ...

### English

Part 1: Poem Structure "Annbel lee" by edgar allen poe Check PLEASE?? In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry Style of Verse: free ...

### English

CHECK PLEASE?! Part 1: Poem Structure "Annbel lee" by edgar allen poe In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry Style of Verse: free ...

### Pre-Algebra please help me!!

X- 0 1 2 3 4 5 6 Y- -7 -4 -1 2 5 8 11 this is a x and y table I need to find out wat the rule is to get y. So the equation would start out like: Y=?????? wat do u need to do with x to get y? and I need help badly! so please!

### Algebra 2 Answer Check

Simplify. 1. 5√6 - √24 A: 3√6 2. Evaluate 3y + 5xy - x for x = 4 and y = 2 A: 42 3. Simplify 3x(5y + 4) - 2xy - 10x + 6x^2 A: 3xy + 2x + 6x^2 4. Evaluate 5^-3 A: 1/125 5. Simplify ((-2x^4y^7)/(x^5))^3. Assume all variables are nonzero. A: (2x^3)/(y^21)

### chemistry

Predict the precipitate that forms: HCl + AgNO3 --> ??? i don't know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question please? If you have a ...

### Physics check

A speeder traveling at 41 m/s passes a motorcycle policeman at rest at the side of the road. The policeman accelerates at 3.3 m/s2. To the nearest tenth of a second how long does it take the policeman to catch the speeder? Im sorry I am new to physics this is my first year and...

### Algebra

Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation is: .05x-.6(x+2)=.08 Please show the work as...

### Math Double Check Me Please

1.what is the slant height for the given pyramid to the nearest whole unit. pyramid base= 12 cm height=8 cm A.5 cm B.9 cm ***** C.14 cm D.10 cm What is the length of the diagonal for the given rectangular prism to the nearest whole unit? the unit is the length=6, width=5, ...

### Essay Revisions

I've made the suggest revisions, as well as change and added somethings. Could you please check if I have fragments, pronoun agreements, run ons, and if I restated my thesis in my conclusion. Thanks! How Much Is Too Much?

### Variation

Please check my work, the answer I am suppose to get is 17.5, but instead I got 2.5. Solve the problem. 66. y varies jointly as a and b inversely as the square root of c, y=24 when a=6,b=4, and c=49. Find y when a=2, b=5, and c=16. -I got: y=kab/ sqrt of c, y=2*5/ sqrt of 16, ...

### English

pLease check my answer Which sentence has a subject complement 1.The nurse felt my pulse 2.I felt much better. 3. The day ended with many surprises. 4. We can't leave without seeing her. I pick answer #1

### medical info mangement

please check my answer thanks True or False If John Dale is responsible for accounting services for Weston Hospital he's the hospital's chief fisnical officer. I picked True

### Dog Hunting Training

Please check my answer thanks :) Dogs must meet these qualifications to participate in AKC performace events ? My answer Be at least six months old and registered with the AKC

### history

please check this: The Spanish established outposts in the Southeast to a. trade with Native Americans b. encourage Spanish immigration c. search for prevsious metals d. protect its trade routes. i thnk the answe is A

### early childhood literacy

Are dot-to-dot pictures,tracing, cutting and gluing all activities that develope writing skills. i am not show about Gluing as one can someone please check it for me

### Physics-Please help with formula

If I have an electric field around a charged object that is 2.95 x 10^6 N/C at a distance of 0.400m, how would I find the charge on the object? If you could just direct me with a formula-then I'll do it and check back with my answer-Thank you for you help

### grammar

Can you check this sentence, please? I know a little about helping injured and sick animals from volunteering at the social shelter. I look forward to learning more in school about how to treat animals.

### Chemistry(Please check)

I ahve to find the concentration of product, (Fe(SCN)^2+) at equilibrium. We have to use the equation k=A/C I have the value for k and A so my equation is 7917.6 = 0.453/C = 3586.67M Did I do the math correctly?

### Georgia State History

Officials whose jobs are not provided for in the constitution but are required by law are known as__. A. constitutional officers B. secretaries of state C. deputies ** D statutory officials please check my answer :)

### Check My Answer! :)

What is the surface area of the square pyramid if the altitude is 4 cm, the length is 6 cm, and the height is 5 cm? a. 48 cm^2 b. 144 cm^2 c. 156 cm^2 d. 96 cm^2 i think the answer is 144 cm^2. Please show me how you did the work so then i know that i at least got partial credit.

### Math- Double check

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650 Answer: A Determine ...

### Math, please check answer

Find the slope of the line through the given points. ( 8, -2) and ( 8, -1) Since 8-8 is 0 would the slope be 0 or would there be no slope?

### Algebra2

can somenone please check my answer and if i'm doing it right.... The sum of a number and 17 more than twice the same number is 101. N+17(2)=101 N=67? N + (2N +17)= 101 3N = 84 Take it from there THANK YOU! =)

### grammar(possessive)

"A years worth of hard work has finally paid off." year (my choice) years years' year's Please check.

### Physics(please check)

Solve for Q Q= sin^-1 1.5/9.8 I got 8.80 Is this correct? I have a TI-30 calculator and to do the sin^-1 I pushed the 2nd button and then sin. I am not sure if this is correct.

### Math - check answer

Given v = 4t - 9t3, find the acceleration when t = 1 s. acceleration in m/s2 = My Answer V'=4-27t2 V"= -54t V"(1)= -54 acceleration in m/s2 = positive 54 Can you please confirm this is correct???? Thanks

### English

Which sentence is correct? 1) Check the manufacturing dates of the products. or 2) Check the manufacture dates of the products.

### Science URGENT

Is there any website or any way I can get the science probe 10 check your understanding answers cause I want to check my answers?

### English

I urgently need you to check these sentences. Whad do you think I should do? 1) I graduated with honours in modern languages and I know how important memory is in learning a foreign language. 2) The headmaster of the school I'm teaching at has warned me not to check and ...

### 6th grade grammar please help

I need a good grade in grammar so please check my answers! Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b . father c. from d. work 2. Ashley’s bedroom was across the hall. a. bedroom b. was...

### English

Could you please check these two sentences, please? Thank you. 1) When I set the table, I lay on the the table cloth, the cutlery, the napkins, the soup and dinner plates, the water and wine bottles, the oil and vinegar bottles, the pepper shaker and the salt cellar. (What ...

### computer forensics

1.Check the operating system’s swap file. Using the WinHex to go through the swap file, have you found any interesting results? 2.Design a plan to check the ram slack and drive slack on your computer with the tool WinHex. Report your findings. 3. Use WinHex to check ...

### Science - Please Check my Answer 2

My problem: One runner in a relay race has a 1.50 s lead and is running at a constant speed of 3.25 m/s. The runner has 30.0 m to run before reaching the end of the track. A second runner moves in the same direction as the leader. What constant speed must the second runner ...

### math

Compute delta(y) and dy for the given values of x and dx=delta(x) y=x^2 , x=8 , delta(x)=0.5 Delta(y)= ??? dy = ??? I got dy=8 by doing: dy= (f prime of x)dx dy=2xdx dy=2xdelta(x) dy=2*8*0.5 dy=8 but I have not clue how to find delta(y) please help! deltay = y(x+deltax)- y(x...

### Algebra 2

I've been stuck on this problem forever. Can someone please explain to me what to do from here? The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 6 inches. If the length must be 1.5 times the height, what should each dimension ...

### Algebra 1

I need help to this mathe problems... 1.Elimination using Multiplication x-5y=0 2x-3y=7 Find the value of x in one equation. x = 5y Then substitute that value for x in the second equation. Solve for y, then find the value of x. Insert both values into the equations to check ...

### Algebra: Check Answer

x^2 - 81 = 0 a) -square root 9 , square root 9 b) -81 , 81 c) -9 , 9 ~~ MY ANSWER ~~ d) no real solutions

### DanH-- I NEED ENGLISH HELP

Almost_________ work would be better than___________. anyone's hers anyone's her's anyones hers anyones' hers' Please check my previous answer.

### Math

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.

### Math - check answer

Given v = 2t3 + 87t2 - 636, determine the acceleration for t= 1 s. acceleration in m/s2 = My Answer v'= 6t^2+174t V"= 12t V"(1) = 12 acceleration in m/s2 = 12 Can you please confirm this is correct.. Thanks!

### Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

### Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5