Algebra, help + check please
106,080 results, page 75

algebra
How do i do this okay i have x=174y and y=x2 i have to solve by using substitution i don't get it do i replace x2 for x then solve please help me 
Pre Algebra
Simplify: 1: (12xy2z)(3xy) 2: 12xy2z divided by 3xy 3: 2x(2x  5) 4: 2x(2x5) Please help! 
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=6n9 d.an=n3 ... 
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=6n9 d.an=n3 ... 
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=6n9 d.an=n3 ... 
Technology
12. The _____ criteria for a new VCR indicates that faster rewind abiity and easier initial setup 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 ... 
Advanced Algebra
Mr. Whipple wants to blend two teas, regular and allspice, 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 allspice be to accomplish this... 
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 
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 2
How is this problem done? IF f(x)=2x^28x3 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^28x3 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 ... 
~Chem
Check my work please The solubility product of nickel (II) hydroxide at 25°C is 1.6 x 1016. 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 ... 
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 5PQ. 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 
Calculus
Okay so I have a question on my assignment that says: You are given that tan(y) = x. Find sin(y)^2. Express your answer in terms of x. I know its derivatives, and I've tried taking the derivatives of both etc, and got them both to come out as cos(y)^2, which I know can be ... 
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) ... 
EnglishA 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 welloff. I don't think he's a good ... 
geography
1. What hemisphere, the Northern or Southern, has the most land? The Northern 2. What gulf is located south of the intersection of 50 degrees E longitude and 30 degrees N latitude? The Persian Gulf 3. Which state capital is north of 40 degrees N latitude: Frankfort, Denver, ... 
Physics(Please check)
There is a rod that is split into two sections. The left side is copper with value of 390, temp of 100 degrees c and the length is 2m. The right side is silver, 420, temp 20 degrees celsuis, and length 1m. I need to calculate the temperature. 390 X 1 X 100t / 2 = 420 X 1 X t... 
English
What can you do to save electricity? 1. I can unplug my computer when I go to bed. 2. I can turn off the lights when I leave my room. 3. I can unplug all the things such as the computer, the printer, the speaker, etc. 4. I can unplug the electric mat when I don't use it. 5. I ... 
English 8
Please check Adverb or Adjective phrase There would always be a perfect understanding between them. Adjective Phrase Her mother said "A person isn't real without a name" Adverb phrase She wins the Rsce, Morning Girl's mother had said a new sister would add her smiles to the ... 
Chemisdtry  Lewis Structures (check + help)
Draw Lewis structures for each of the following ion: CO3 (2) I tried this method below, i do not know where am i going wrong, please help me understand this concept for ions. Valence Electrons 4e + 18e = 22e Noble gas Config 8e + 24e = 32e Total 32e 22e = 10e ... 
math
(x3)/(x+5)< 2 i've asked so many ppl, but they all give me different answers :( Well if the expression is less than two, and the abs function is positive, then the ratio is between 0 and 2. Lets look inside the abs function, it can be negative, because the abs will make ... 
English
It is very rude of you to behave like that. It is very wise of you to answer the question. It is very stupid of you not to solve the math problems. It is smart of you to solve the math problems. It is careless of you to hit the jar while driving. It is considerate of you to ... 
English
Can you please check these few sentences? Thank you. 1)I insert a 50cent coin into the trolley and I do my shopping. 2)I need to buy 200 grammes cooked ham and 150 grammes of raw ham. 3)Then I need to go to the counter of sliced meats and salami and then to that of fruits and... 
English
I had duplicate bookings on Cebu Pacific air. com because of a problem on the Internet. I'd like to cancel one booking. How can I cancel one booking. Only one adult and a baby are going to get on the air plane. And please let me know how to pay the plane fare. What is the ... 
please check(Social studies)
if this isnt right can someone find me a link where i can read more info about it. 17. Which of the following is the most valid reason for not digging up Aztec ruins in modern Mexico City? A.There are no Aztec ruins under Mexico City. B.Mexicans have very little interest in ... 
English
Please check if my answer is correct... Identify the INCORRECTLY punctuated sentence. In softball, pitchers throw the ball underhand; in baseball, the ball is thrown overhand. • Ice hockey is played on a rink; but field hockey is played outdoors. • Another difference ... 
Grammar Check
Can you please see if what I wrote is in formal language and the grammar is correct? Thank You In the novel, Dos Passo's women never equaled success, were mainly considered prositutes, married to get ahead, and were failures when it came to keeping a romantic relationship ... 
Living Environment(please check answers)
1true 2false 3not enough info Transplanting genetic material into bacteria is a simple task 2 Under certain conditions, bacteria reproduce at a rapid rate3 The continued use of insulin from animals many cause harmful side effects in some people 1 The bacteria used in ... 
Chemistry PLEASE HELP!
Check all of the following statements which are TRUE for a titration. Select one or more: a. A suitable primary standard must be available. b. The concentration of the solution in the buret (the titrant) must be known before the titration is begun. c. Titrations can only be ... 
Chemistry(Please check)
Which of the following mixtures will be a buffer when dissolved in 1 liter of water? 0.10 mol Ba(OH)2 and 0.20 mol HCl 0.30 mol KCl and 0.30 mol HCl 0.40 mol NH3 and 0.40 mol HCl 0.20 mol HNO2 and 0.10 mol NaOH 0.20 mol HBr and 0.10 mol KOH My answer is that HNO2 and NaOH will... 
3 grade english ms sue
PREFIXES prepaid,midnight,overflow,outdoors,outline,overgrown,perfix,midwest,pretest,midpoint,outgoing,overtime,overdue,outside,outfield context clues  sue made a list of phrases about her best friend. write a list word to complete each phrase. 1 very____________ 2... 
Art.
1. what is the role of an artist who creates a painting illustraiting a nations victory in war A. to solve a problem B. to glorify the nation. C. to protest the war D. to raise awareness of the war 2. The face that all Incan architecture shares similar design principles ... 
mathms sue please
Ms Sue thank you for the help with my other word problem can you check this one for me? Write a word problem and find the solution to the equation. 1/22/3 THe answer is 1/6 and the word problem I created is: Janet put 6 suckers on a table. 3 suckers were watermelon and 3 ... 
Powers!
1. Should be 8a15 but I think that is just a typo because the * and 8 are on the same key of the keyboard. 24 look ok to me. 5. What you have looks ok to me; however, can't these two terms be multiplied to give 200x8y9 ? Yeah sorry about #1 that's what I had...lol FOr number ... 
Spanish
Explain how to conjugate pedir and servir in the present tense. To conjugate both words to pat tense all you have to do is change the last two latter at the end of the word. Pedir mean to ask so at the end of pedir you can just change ir to ar,or,and er that can also be used ... 
Physics Help!!!! Please check
We had worked this one out before but due to my bad note i really don't understand what is going on in the question. Following the question I will post what I wrote done. Please help me make some sense of it. A 3.2 kg block is hanging stationary from the end of a vertical ... 
Pre Algebra
Please answer as soon as you can I need help figuring this out :) Which number is greater than 5.5 x 10^7 and less than 5.5 x 10^7? A. 1.8 x 10^12 B. 6.7 x 10^8 C. 5.2 x 10^3*** D. 3.9 x 10^3 If you know what the answer is can you, if at all possible, explain how you got ... 
Algebra 2 help its urgent please(:
Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? Enter your answer, rounded to the nearest tenth I'm really confused on this question 
dog behavior
please check my answer thanks so much :) When teaching the leave it command, when should you give the dog a reward? A. While its chewing the forbidden object so it will leave it and take the treat instead B. The instant it leaves the forbidden object C. As soon as it comes to ... 
grammar
please check and let me know if this is correct. What the teacher is asking for for the sentence be changed to is to the left. Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin ... 
dog behavior
please check my answer thanks so much :) Which one of the following statements is accurate for the heeling command? A. The instructor should hold the leash taut in his or her right hand. B. Conduct your first lesson in a place where the dog won't be distracted. C. Start by ... 
Chemistry
Hello! I was working on my Chemistry HW about metric conversion. Can you please check to see if my answers are correct? I was having a hard time converting, and I think I finally figured it out. 1 microliter= 0.000001 liters 1 mL= 1,000 microliters 100mL= 0.1 liters 45 ... 
Chemistry
These are all true or false questions, and I think some of my answers may be wrong. Could someone please check them for me? 1) All stoichiometry calculations are based on STP conditions. (True) 2. Given the amount of reactant, you must use coefficients from the balanced ... 
ALgebra
tom scores 83,88,75, and 90 on the first 4 tests in algebra. what does he need to get on the 5th test to have an average of 85? 
Algebra 1
Do the equations x = 4y + 1 and x = 4y  1 have the same solution? How might you explain your answer to someone who has not learned algebra? 
algebra 1
Do the equations x = 4y + 1 and x = 4y  1 have the same solution? How might you explain your answer to someone who has not learned algebra? 
Algebra
Do the equations x = 4y + 1 and x = 4y  1 have the same solution? How might you explain your answer to someone who has not learned algebra? 
Algebra
Why was the dirty old hotel called the fiddle ? (There is only 22 letter spots) algebra with pizzazz 
Algebra
What do you call someone who pays back a loan Quickly? Algebra with pizzazz page 164 
math
Essential Algebra Readiness (PreAlgebra) B Unit 5: Functions Lesson 4: Understanding the Slope 
Algebra
Find the xintercepts. y=x^24x+4. Thanks for helping. All of this Algebra has lost me. 
Math(Algebra 1)
What are the basic properties of algebra. How do you justify steps? 
algebra
What is Algebraic reasoning? How are repeated patterns connected to algebra? 
algebra help
Hello, I need help figuring out this algebra problem. If x=7 and y=2 then x3y= thanks 
Algebra I
What is the answer to Algebra with pizzaz p.93 How Can Fisherman Save Gas? 
Algebra
what is the development of algebra during the year 12001400? 
algebra
this is not algebra. I just need to know how to find a percentage of something. 
algebra
make up situation that can be described in algebra with each expression for 5x, and for x10, and also 2x+3 
algebra
i do not get algebra at all so tell me what is 4x4x4x4 in the index notation 
algebra
what is the answer to pre algebra with pizzazz page 106 
algebra
Translate to algebra One half of a number decreased by 16 
algebra 1 or pre algebra
Which of the following numbers is not in the domain of the function (f)=x(x^216)/x^25x6 4 a B) 4 C) 0 D) 6 E) 1 
Algebra
y^27y+p. Find the value of p that it becomes a perfect square algebra 
math
Trapezoid One: Has a top base of 187.5ft, a bottom base of 397.5ft, and a height of 165ft. I got the answer 48,262.5, how would i check if this is correct? Trapezoid Two: Has a top base of 397.5 ft, a bottom base of 225 ft, and a height of 225 ft as well. I got 70,031.25 ft^2... 
Spanish7th gradePlease check
If I just have a picture of la sala and it's neat and tidy and has a television in it, which would be the correct response? 1.Mi familia acaba de limpiar la sala. 2.Mi familia mira la television. 3.Mi familia necesita limpiar la sala. 4.Mi familia limpia la sala. I don't think... 
English
Could you please check the following sentences? 1) Why not meet at six o'clock? 2) Why don't we meet at six o'clock? In what way is sentence 1 different from 2? Is the speaker not included in sentence 2? 3) She tells her husband he must pretend to be sleeping. He must pretend ... 
English ms sue
Please check answers! From the words below, supply the words needed to complete the sentences. Tactless, unfathomable, tacit A. While there was a TACIT agreement in the group that Fran's comment to the professor was TACTLESS and perhaps even cruel, the group could understand ... 
Math
Could someone please check my math questions? My answers are under the questions... 32. Six times a number less than ten is eight. Find the number. a. 1/3 b. 3 c. 1/3 d. 3 My Answer ~ b 33. Jane works at the public library after school. She makes $7.00 per hour. She cannot ... 
Poetry
I need a seven long line iambic pentameter poem. PLEASE HELP...I have no idea how to do this and my teacher will fail me. please please help 
Science
Explain how gravitational, electrical and magnetic force act on a maglev train??? Please help I need to know please!!!! before tomorrow please 
Math Help Please!
Solve the system of equations algebraically. Show all of your steps. y=x^2+2x y=3x+20 Can someone please explain to me how to do this? I want to actually learn it, please. Thanks! :) 
Ethics
please check my answer thanks :) Answer True of False to the following... 1. All pt authorzations to relase medical info are sufficient authorize relase I said True 2. All jurisdictions require both a subpoeana ansd a relase from the pt to relase medical records I said false 
College Algebra ..Please help
I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area of a rectangle is 16... 
Algebra
Insert grouping symbols in the proper place so that the given value of the expression is obtained. 53.2+8.52;28 I tried it different times and I got 30, so I give up, I need help please. Thanks! Is the decimal point in 3.2 and 8.5 supposed to indicate multiplication? If so, ... 
Algebra help please!
Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not have bias? 
microsoft excell 2007
when working with predefined formulas in excel,what category contains the boolean functions? (a)math and trig (b)recently used (c)logical (d)auto sum my answer is c debbie needs to print her table.which of the following is not an excel print program? (a)title (b)table (c)... 
physic
If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. E=MC(T2T1) 115800=2*112.85(T2100) 115800=225.7(T2100) 115800/225.7=(T2100) 513=(... 
prealgebra
You are working on a polynomials problem with algebra tiles. You have five big squares, seven rectangles, and eight small squares on your desk. your classmate leans over and borrows three big squares, one rectangle, and five small squares. Write an algebraic equation that ... 
english
You mean life skills  two words. http://www.homeworkspot.com/high/lifeskills/ Check out the Topics section. This term includes a whole range of topics. And please don't post your question more than once. Thanks. =) what are lifeskills 
Physics
I thought I did the problem right, but I don't think I came out with the right answer! Please someone check to see if I got this problem right. Calculate the force of gravity between Earth (mass=6.0*10^24 kg) and the moon (mass=7.4*10^22 kg). The average Earthmoon distance is... 
HELPPPP
What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S Thank you so much for your help!! Stepanie  we Jiskha tutors... 
Confidentiality of Health info
Please check my answer thanks:) Joe Smith asks for access to patient records as part of a research project. What should the Health infomation manager do ? 1. Say yesaccess for research is permitted. 2. Say no 3. Tell Joe to sumbit his request to an insitutional review board ... 
PLEASE CHECK! ELA
Which choice best describes the underlined words in this sentence? Should you have been walking the dog without a leash? Underlined is: Should _____ have been walking it does not include the word "you" so I just did an under score to represent that. A simple predicate B ... 
algebra II
Can you please help me with the these problems. 8.Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 11x^2, but which has its vertex at (2, 9). 10. Use the vertex and intercepts to sketch the graph of the quadratic function. y + 3... 
Algebra 1
Traingles C and D are similar. The area of triangle Cis 47.6in2. The base of triangle D is 6.72in. Each dimension of D is 6/5 the corresponding dimension of C. What is the height of D? How in the world do you this problem!! Please help BIG TEST TOMMOROW!!! :) 
algebra
the equation is :  (2x + 3)(4 + x). Using the distributive property, my friend got the answer 7  3x. I have been fiddling with this problem for 3 hours and don't understand how he got this answer. Can someone please thoroughly explain this to me? 
Algebra
I am confused by this problem. Solve: Clear fractions or decimal first. 7/3x1/3x=3x+24/31/3+7/3x. I know that I need to gather all terms first. My answer that I came up with was: 23/17. I'm sure that answer is wrong. Can someone please help? Thanks. 
Algebra
Is this correct? If not can you please tell me what steps I did wrong? Thanks! The hydrogen ion concentration of milk is about 1.6 x 10^7 moles per liter. Find the pH. pH = log [H+] pH = log[1.6 x 10^7] pH = (7.204119983) pH = 7.2 The pH balance of the milk is 7.2 
Algebra Grade 7
How do you find the sales tax? How do you find the discount price? Please help me, I really appreciate it. This is for studying and I am completely stuck. Thanks in advance to any and all help.. luv ya, ♥dino♥ 
pre algebra
1. what is the sum of 5/6 + 2/3? a.1 1/3 b.1 1/2 c.1 2/3* d.1 3/4 2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can receive chocolate? a.13* b.17 c.19 d.21 my answer=* please explain how you got your ... 
Algebra
Please help me to solve this Radical Expressions and equations word problem. Here is the question: Find the perimeter and the area of the rectangle. Here are the measurements: length is (sqrt 6+2) and the width is (sqrt 62) 
Algebra 1
Suppose a spherical asteroid has a radius of approximately 9.0 x 10^2m. Use the formula 4/3*pi r^3 to find the approximate volume of the asteroid. 2.57 * 10^9 m^3 1.07 * 10^4 m^3 2.54 * 10^10 m^3 4.51 * 10^10 m^3 I've worked 4/3*pi*10^2 = 900 meters... but now I'm confused, ... 
Geometry/Algebra
The segments formed by the altitude to the hypotenuse of a right triangle are 8 and 10. Find the shorter leg of that triangle. Help please! I am confused on which formula to use or if I should use the Pythagorean Theorem. 
Algebra (really need help)
Please lead me in the right direction. I am so confused and I have been working on this one problem for an hour. I have the answer, but I want to know how to get to it. The answer is (1,1,0) Solve the system by elimination. 2x+2y+3z=0; 2xy+z=3; 2x+3y+3z=5 
Algebra 2
The dimensions in inches of a shipping box can be expressed as width x, length x + 1, and height x  4. The volume is 84 ft^3. Find the dimensions of the box in feet. 1, 1, 4 2, 2, 21 2, 6, 7 3, 4, 7 Please help? If somebody can help put this into an equation for me, I can do ...