Algebra, help + check please

105,738 results, page 74

ALGEBRA

YOU SAVE £25 PER WEEK (W) FOR A HOLIDAY.WHICH ALGEBRA EXPRESSION IS CORRECT? 25-W 25+W 25W 25/W

Math

Ron had 20 apples. He used 2/5 of the apples to make pies. How many apples did Ron use for pies? 2/5x20/1=40/5 40 divided 5=8 Answer: Ron used 8 apples for pies Can you please check this for me to make sure I am correct?

Spanish

Coud someone please check my answers to the questions? 1.¿Qué apagas cuando tienes frío? Apago la ventiladora cuando tengo frío. 2.¿Dónde están las cosas muy frías en tu cocina? Están en el refrigerador. 3.¿Qué usa tu madre para cocinar? Ella usa el horno y el ...

geography

Because of her reform activities, which group would not have supported Rebecca Latimer Felton? (1 point) supporters of educational opportunities for all citizens of the state supporters of the suffrage movement to gain voting rights for women supporters of the convict lease ...

ENGLISH

Please check for commas errors, speling and any other grammar error. Please provide the correc answer. The quality in the air in our community interests all of us. We must all work together to keep the air safe for our children. During the past six months we have observed that...

algebra help

I am really confused on this question can some one help me out please the length of a rectangular playing field is 5 ft less than twice its width If the perimeter of the playing field is 230 ft. find the length and width of the field. I believe i am suppose to start with P+2w+...

Algebra

Solve the system of equations using substitution. x + 4y = -5 3x - 8y = 45 When I tried to solve it, I got x=-17 and y=-3. When I plugged these into the first equation, it didn't work out at all. Could someone please show me the steps so I can see where I went wrong? Thank you!

Physics

There is a charge that is 1uC and another charge that is 2 uC. They are 10 cm apart. I need to find a point where the electric field is zero. All I have is this kq1\a=kq2\(10-a)^2 where q1=1 where q2=2 where k=9*10^9 I am lost after this I know I use regular algebra but i don'...

ALGEBRA

The equation y=12x+5 shows the total coat for ordering tickets on the phone for a certain outdoor concert. if the tickets are $12 each, & there is a one time service fee of $5, can the slope of this line be thought of as a rate?? Please explain this.

9th grade acc. algebra

how do you do this? this is the full question and all info: "A line with a slope of -3 passes through the point (k,4). Find the y-intercept of the line in terms of k." I would like to know how to do this along with the answer so i can know im doing it right please!!

Algebra-Pleasehelp-I'm so stuck!!

Please help How do you graph the radical that is below negative of the sqrt(x+1) my teacher said we should set up x and y according to parent function. The endpoint of this would be (-1,0) How do I find the other points-I'm really stuck

algebra

Write an exponential function to model the situation. Then predict the value of the function after 5 years (to the nearest whole number). A population of 210 animals that increases at an annual rae of 19% Can you explain your answer please?

Algebra 1

Solve using two different methods. Explain which method you found to be most efficient. A. 3x - 9y = 3 6x - 3y = -24 B. 7x - 3y = 20 5x + 3y = 16 C. y = 1/2x - 6 2x + 6y = 19 I am just stuck and don't know how to do these last few problems on my assignment. If someone would ...

English

1. What is an easier way of stating "That the people have the right to elect their own Legislature" That the people can elect their own government. 2. What is simpler way of stating "That no act of the Dominion Parliament (local to the territory) be binding ont he people until...

Math Please Check It

(2sqrtx)(5sqrtx^3) Here is what I got:10sqrtx^4 *Is this correct.? This one is close but still needs to be simplified further. 10√x^4 -->you can take the square root of x^4. Can you take it from here to finish? so it will be:10sqrtx^2 No, remember you are taking the ...

environmental science

Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ...

Social Studies (Check, Please!)

1. Why is the Social Security Act an important piece of legislation? A: The Social Security Act is an important piece of legislation because it guarantees benefits for the elderly and the unemployed. The legislation also provides modest welfare payments to other needy people, ...

algebra 2

what does the sign that has a C and = over top of it mean in Algebra? Is it equals to or something else?

9th grade- Algebra 1

In music, What does "allegro" mean? ALGEBRA WITH PIZZAZZ!

algebra

Enrichment Exercise Life Expectancy MAT 116 – Algebra 1A

algebra

College Algebra Directions: Solve graphically: x^(2/3)+x^(1/3)-2=0 I just don't know how to approach this?!

algebra

need help with logarithmns quiz algebra 2a unit 7 connections academy

algebra

can yu help me solve my algebra problems jiskha/ I use to get help from you a year ago

algebra

can yu help me solve my algebra problems jiskha/ I use to get help from you a year ago

Algebra

Use algebra tiles to determine if 2(x +3) is equivalent to 2x +3. Explain your answer thanks

Algebra

Why do students have to pass an algebra course in order to graduate highschool?

algebra

What is the answer to algebra with pizzazz page 168??? Numbers for each letter.

Chemistry

Can you check if this is correct please? a) How many moles of sodium hydroxide are there in 19.00 cm3 of 0.100 mol dm3? My answer: 0.0019 mol b) How many moles of hydrochloric acid are, there in 25.00 cm3 of the acid solution? My answer: 0.0019 mol c) How many moles of ...

algebra

I know that 10^-2.3=5.0 * 10^-3 How do I get 10^-2.6 in the same form as 5.0 * 10^-3? please and thank you! Punch in 10 on your calculator, then press the yx button followed by -2.6 and then press equal. You should get 2.51E-3 thanks, but mine just says: .0025118864

algebra

-3/[(5/x)+y] Can someone please tell me how one goes about simplifying this? Multiply numerator and denominator by x. would the answer be -3x/5+y? No. YOu forgot to multpy the y by x, it would have an xy in the denominator. gotcha thanks

Algebra

Can someone please help? I have to solve.... An employee produces x units per hour earns an hourly wage of y = 0.50x + 11 (in dollars.) What is the wage? How many hours does the employee work?

math-algebra

14. The last term of an arithmetic sequence is 207, the common difference is 3, and the number of terms is 14. What is the first term of the sequence?: A. 165 B. 171 C. 249 D. 168 Please explain. thanks

college algebra

(x-3)^2+(y-2.5)^2=7.25 Make a new equation that shifts up 1 unit and to the right 2 units. I got (x-5)^2+(y-1.5)^2=7.25, but I got it wrong on my test. Could you please tell me where I might have gone wrong? Thank you!

college algebra

(x-3)^2+(y-2.5)^2=7.25 Make a new equation that shifts up 1 unit and to the right 2 units. I got (x-5)^2+(y-1.5)^2=7.25, but I got it wrong on my test. Could you please tell me where I might have gone wrong? Thank you!

algebra 1A

translate into an algebraic expression. use x and y for variables. the sum of three times a number plus five times another number. the translation is. is any one of these correct y+3=8 or 3+8=8 please help. thanks

algebra

you rollerblade at an average speed of 8 miles per hour. the number of miles m you rollerblade during h hours is modeled by m=8h. do these two quantities have direct variation? please help me with this. thank u

Algebra

Find the product of (x^2 - 3x + 5) with the quotient of (10x^6 - 15x^5 - 5x^3) ÷ 5x^3. I need some help with this. I'm really unclear on the steps and how to solve this as a whole. I don't just need an answer, I'd like to know the steps as well. Please?

math

i have a math competition next saturday can some please give me advice on how to study. some sites snd stuff i really need help for algebra thank you in advance

math

i have a math competition next saturday can some please give me advice on how to study. some sites snd stuff i really need help for algebra thank you in advance

College Algebra

Solve the logarithmic equation. Express your solutions in exact form only. Please show all of your work. log base 6 (64x^3+1)-log base 6 (4x+1)=1

Algebra

Can someone please help me with math problem and explain to me step by step how to solve it so I will know how solve other problems like this Thank you in advance Multiply and then, if possible, simplify by factoring /7x /21y

Intermediate Algebra

I am having trouble with these two. Can you please help me?? Find the following product: -4x^2y (-4x^3y^5) Essy, Show all work. Find the following quotient: 16x^2-25y^2 ___________ 4x + 5y

Algebra

Can you please give me some real life examples of using variables and solving equations. These are 6th grade students and I need to show real-life experiences. Thanks!

Algebra

What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in D.no solution Please help I do not know how to do these...if I ...

Algebra - Rational Exponents

Can someone explain the rules for raising a power to a power? Please explain and give some examples. I would appreciate it if you can answer this as soon as possible.

algebra

suppose that an employee receives 7% increase in salary each year and that sequence a^n models the employees salary after n years. Is this sequence arithmetic, geometric or neither ? and please explain

algebra

Simplify your answer and use positive exponents only (a3b)3(a4b8) ^ ^ ^ ^ The answer I got was 3a7b9 ^ ^ is this correct? Please help and if it is not can you show me the correct way!! Thank you very much

Algebra 2

f(x)=-x^2 - 3x Find the axis of symmetry, vertex, direction it opens, and write the equation in vertex form. If f(x) =x^2 + 2x g(x)= x-9 h(x) = 3x - 2 Find [f o g o h] (-2) Please explain how you got it I'm really confused right now.

Algebra

A small garden measures 11 ft by 8 ft. A uniform border around the garden increases the total area to 154 ft2. What is the width of the border? I cant seem to get the right answer. Please help

Check french work pplz

This is my french homework I have to fill in the blanks with either ai, as, a, avons, avez, and ont. In the parentheses that's what I put in the blank i was on this website with this work the other day and I finished it today and I was asking if you could please check it ...

Intermediate Algebra

Compound Inequalities Definition Words ◦Compound inequalities ◦And ◦Or ◦Intersection ◦Union 1). 12 < 12 + 4x < 0 2). 12 – x > 15 or 7x – 13 > 1 I divide it up the compound inequalities into two problems 12 <12+ 4x 4 x >0 or x...

help PLEASE! URGENT!

ok, i need help w/ this problem. (4x^3 + x^2 + 3) + (x^3 + 2x^2 +1) can u please explain how to do this please? i'm very lost. Thanx! -Ally

INEED MATH HELP BADLY PLEASE HELP

CAN SOMEONE PLEASE HELP ME WITH MY SQUARE ROOT AND FOILING PLEASE?

Alg. - please help

Can someone please answer my questions below on my first post?? please

history.

Describes the devil's eye stone sculpture? please!! please!! please!!!! help me in this question.

Economics(please check)

What might the changes brought about by the influence of interest groups affect the public? It can affect the public by inforcing their views on a subject. This, in turn, can affect public policy. For instance, if a group can convince the majority that abortion is immoral, ...

DrBob222-Questions

Can you please check these for me. Thank you very much in return:-) For Al2(SO4)3 you gave me Aluminum ion and Sulfate ion. These are the rest: CaCl2 = Calcium ion and Chlorite ion Na2O = Sodium ion and Oxygen ion AgCl = silver ion and chlorine ion Na3PO4 = Sodium ion and ...

Morphemes

Please check these morphemes' divisions. 1)mice -/mice/ (1) 2)sitting - /sitting/ (1) 3) punches - punch/es (2) 4)runners - /runner/s/ (2) 5)firefighters - fire/fight/ers (3) 6) Automobile - auto/mobile (2) 7)Chart - /chart/ (1) 8)horseshoe - horse/shoe (2) 9)sees - /sees/ (1...

Math!!!

Suppose Y ∼ N(μ=0, σ). Find σ so that the normal population contains 90% of its probability between -1 and 1. Please round your answer to two decimals.  . [Hint: The normal distribution is symmetric around 0, so you can simplify the problem and only ...

HELP!

The problem using elimination/substitution methods what is the solution set to 3x -2y =-4 and 5x=2y the choices a)(2,-5) b)(-2,-5) c)(2,5) d)(-2,5) Please, Please, Please, HELP! Between a and c I believe it is c is that correct? Yes.

english

How do you diagram the sentence, My dad is mean, he makes me do push up, someone stop him before I die, please, please, please!

mat115

Please help me with this math question please. Am I correct in my computing? 11-6 5 ____ = _____ = undefined 7-7 0 If I am wrong please help and can you show the work? Thank you.

math

please can you answer this is all about sums and differences of rational algebraic expression...please i need it please ?this is the problem....3/5+4/5=? another x/3-y/3=? another is 7/a+2/a

Math - please check

1.Find the median of these numbers: 3, 8, 4, 16, 10, 12 Wouldn't the median be 9? 2. Find the mode of these numbers: 1, 2, 1, 5, 3 Wouldn't the mode be 1? The median would have equal numbers of entries above and below. 9 is correct The mode is the number that occurs most often...

Grammar ~CHECK MY WORK PLEASE~

Which of the following sentences is correct? a) Mr. and Mrs. Smith goes on vacation. b) Mr. and Mrs. Smith has gone on vacation. c) Mr. and Mrs. Smith have gone on vacation. ********** d) Mr. and Mrs. Smith is going on vacation.

Algebra 1

Having a hard time with algebra need help give the function h(s) = 8s+1 find each following: h(7)=? h(-1)=? h(6.2)=?

algebra

i hav finals tomorrow in algebra 1 any easy tip i can have to remember iniqualities?

Math - Algebra

This is a fraction algebra. n/24=25 (not divide sign). I don't know if I have to multifly and which number do i use.

Algebra

Hi, I need to use algebra to find the x-and y-intercepts for the parabola −3x^2 +6x +9 = 0 Any ideas or help appreciated

college algebra

What is the fundamental theorem of algebra of this polynomial in completed factored form? and how do I graph it? f(x)=x^5-x^4+x^3-x^2+x-1

college algebra

What is the fundamental theorem of algebra of this polynomial in completed factored form? and how do I graph it? f(x)=x^5-x^4+x^3-x^2+x-1

algebra

this is algebra review but I can't remember how to solve this at all. I need to graph this equation.. 3x=2y-7 I don't know how to get the Y by itself

French

Could you please check this to make sure it's right. We are supposed to write in paragraph form what we would buy for a party, who we would invite, and where we would buy the food at. Could you please give me a grade on it (I'm in ninth grade and it's supposed to be 7-8 ...

Language Arts ~CHECK MY ANSWERS~

1.) Resilient people usually a. complain when they have bad luck. b. bring good luck to others. c. are able to deal with setbacks. • My Answer: (B- brings good luck to others.) 2.) When the speaker refers to pausing to “enjoy the view / of the trees and the flowers below...

Algebra

I cannot understand how you worked out this problem Bob. Could you explain the steps you made? Algebra - bobpursley, Wednesday, April 27, 2011 at 10:36am if it is as I wrote it, then (45x/6t)11x= 45*11*x^2/6t = 15*11*x^2/2t= 165x^2/2t Algebra - tish, Wednesday, April 27, 2011 ...

Algebra

I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1) c.y = - sqrt (-x-1) d.y = sqrt(-x-1) I think it is "b"

Algebra

-18 is less than or equal to 4x-7 is less than or equal to -6 (Please explain in detail so I know for the future)

Algebra

Please help me to solve these two equations step by step. They are quadratic equations 1).2x^2+9x+4=0 2).5x^2=-7x

Algebra 2

V=df-di/tf-tf; solve for tf Please show step by step procedure so I can understand how to solve this. Many thanks.

Intermediate Algebra

Can someone please explain why (-9)1/2 is not a real number but -9 1/2 is a real number

Algebra

two question, please explain If you have an equation x^2=k and k>0, then there will be If you have an equation x^2=k and k=0, then there will be

algebra

How do i do this okay i have x=17-4y and y=x-2 i have to solve by using substitution i don't get it do i replace x-2 for x then solve please help me

Pre Algebra

Simplify: 1: (-12xy2z)(3xy) 2: -12xy2z divided by 3xy 3: 2x(2x - 5) 4: -2x(2x-5) Please help!

Technology

12. The _____ criteria for a new VCR indicates that faster rewind abiity and easier initial set-up would be benecficial. a. financial b. market c. technical d. production i can't exactly figure out the answer to this one 13. Which of the following is a labor intensive activity...

English

Could you please check if all the sentences are correct? Thank you. 1) To start with, I’ll have a tomato salad. I couldn’t help crying. I’m worried about Brian’s getting low marks at school. 2) He admitted eating all the biscuits. I couldn’t do anything but answer ...

Punctuating Sentences check please

The rainbow stretched across the sky from the ice cream truck to the house down the lane. Between the sixth and seventh floors of the building in the stairwell over in the corner. Punctuating Sentences I am not sure if I did them correctily would someone please check for me ...

algebra

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

algebra

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

algebra

I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence -3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n-9 d.an=n-3 ...

Advanced Algebra

Mr. Whipple wants to blend two teas, regular and all-spice, whose wholesale cost is $0.90/lb and $1.20/lb respectively. He wil sell the mixture at $1.65/lb and wishes to make a 50% profit over wholesale cost. What should the ratio of regular to all-spice be to accomplish this...

science PLEASE CHECK MY ANSWERS

1. why is it rare for the soft parts of an organism to become a fossil a. the soft parts take a long time to decay. b. the soft parts can be eaten by other animas. c. The soft parts cannot be buried in sediment.>>>my answer d. the soft parts from petrified fossils. 2....

chem -repost for bobpursley

i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g...

algebra (check my answers?)

1. ratio a is equivalent to ratio b. ratio b is equivalent to ratio c. is ratio a equivalent to ratio c? yes 2. you are 13 years old, and your cousin is 19 years old. as you grow older, is your age proportional to your cousin's age? no

~Chem

Check my work please The solubility product of nickel (II) hydroxide at 25°C is 1.6 x 10-16. Calculate the molar solubility of nickel (II) hydroxide in 0.100 M sodium hydroxide. Ni(OH)2 <=> Ni2+ + 2OH– I = Ni2+ is 0 & 2OH– is 0.1 Change = Ni2+ is X and 2OH- is 2x ...

Math; PLEASE CHECK MY ANSWERS

1.Which of the following is greater than 4.3x10^9 A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are less than 6.5x10^-5? A)1.4x10^-3 B)2.5x10^-4 C)7.8x10^-5 D)4.6x10^-6*** 3.Which number is greater than 5.5x10^-7 A)1.8x10^-12 B)6.7x10^8*** C)5.2x10^3 ...

French

Could you please check these thanks. Directions: Complete with either payer or essayer. 1. Vous -------- où? (Payer) Answer: payez 2. On ------ à la caisse. (Payer) Answer: paie 3. Je -------- parce que j'invite. (Payer) Answer: paie 4. Il va -------- la chemise? (Essayer) ...

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 ...

Algebra(check pt 2)

1)The first row of -3T. T[4 -5 2] [8 -1 3] answer=[-12 15 -6] 2)The first row of 5P-Q. P[3 1] Q[4 4] [-4 0] [12 21] answer=[11 1] 3)The first row of TV. T[4 -5 2] V[3 1] [8 -1 3] [0 2] [-4 5] answer=not possible 4)The inverse of matrix R. R[0 -1/4] [1 3/4] answer=not possible

English-A Raisin in the Sun

In the book A Raisin in the Sun, what do you think about George Murchison? Is he a good match for Beneatha? Why/ why not? Please check my answer: Is this correct: I think George is a very privileged person. He's very lucky. He's finacially well-off. I don't think he's a good ...

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