# Algebra, help + check please

104,559 results, page 97

### Chemistry help needed

How do I prepare 90% formic acid from conc. formic acid (98%-100% of density 1.22g/ml)? Please help me check if my calculations are correct. Assuming conc. formic acid is 99%, 0.99 X 1.22 = 1.2078 Add 1.2078 / 9 = 0.1342ml H2O to 1ml of conc. acid to have a solution that is 90...

### English

Posted by English on Tuesday, June 21, 2011 at 9:35pm. The dentist's is very busy, so we have to book the visit beforehand. You have to have your decayed tooth pulled out, but we have to wait for about one month? Can you wait? If you feel painful from time to time, let's go to...

### Check answers please?

Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before impacting the trampoline? I ...

### to dr bob..chemistry

bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent _______% molality ______mol/kg Thanks Responses AP CHEMMMM - DrBob222, Saturday, ...

### Algebra

I need an equation for L that satisfies the given geometric condition. L has a y intercept (0,3) and is parallel to the equation y = 2/3x+1 Please take me step by step so I can understand. Thank you well they would have the same slope 2/3x except this line has a y intercept of...

### math, algebra

If Will gives Molly $9 dollars he will have the same amount of money as her. If Molly give Will $9, the ratio of money she has to the money will has will be 1:2. How much money does will have in the beginning? Can you give me an explanation of each step, please? I'm having a ...

### algebra

A private plane traveled from Seattle to the rugged wilderness at a average speed of 176 mph. on the return trip the average speed was 308 mph. if the total traveling time was 5 hours. How far is Seattle to the wilderness? please help

### Algebra

Write a function rule to represent the sequence. 0.3, 0.9, 1.5, 2.1,... A(n) = 0.6 + (n - 1)0.3 A(n) = 0.6 - (n)0.3 A(n) = 0.3 + (n - 1)0.6 A(n) = 0.3 + (n + 1)0.6 Write a function rule to represent the sequence. 47, 32, 17, 2,... A(n) = 47 + (n - 1)15 A(n) = 47 + (n - 1)(-13...

### algebra

i have 2 solve by elimination an i keep gettin fractions when the answer is (-3,-3) my teacher gave me the answer an problem but she wants me 2 work it out idk how i keep gettin fractions the problem is: -3x-4y=21 8x-5y=-9 please help

### Algebra 2

Can someone help me with the following please What property is the following: a(b + 0) additive inverse property - this was confirmed from previous equation = a x b + a x 0 Distributive. (I think) = a x b + 0. Multiplication property of zero (I think) = a x b. Additive ...

### Algebra 2

Use the values of a_1( 1 is below the a) and s_n (n is below also) to find the value of a_23. A_1=10, s_23=2760, find the value of a_23 Please help, I really need help. Thanks.

### maths - fixed points

Fixed points of f? f(x) = 1/4x^2 - 1/8x - 5/8 a) use algebra to find the fixed points and classify them. b) use the gradient criterion to determine an interval of attraction for one of the fixed points of f c) find exact values of the 2nd and 3rd terms of the sequence xn ...

### Algebra

Hi there. Can "x^2 - 10x + 22 = -2" be solved by taking the square root? Can "4x^2 + 8x + 3 = 0" be solved by taking the square root? If so, please show me an explanation.

### Algebra

Could you please help me with this question? Simplify 6/Square root of 3-2. Also, could you help me with the steps on how to figure it? Thank you. a.4/square root of 3 b. 12-6 to the square root of 3 c. Square root of 3-2 d. 3

### Chem

The experiment is about titration of vinegar with NaOH. Before I start titration, I need to calculate how much of vinegar I will want to be using. I think I might use 50ml of distilled water to mix vinegar and I am gonna drop 3drops of phenolphthalein as indicator. Please help...

### Grammar

Thx, Sue!!! Can u please help me with these others. Agreement errors: 1) Verb tense error 2) subject verb error 3) pronoun agreement error 4) modifer placement error 5) parallel structure error Q:The patient is thin, combative, uncooperative, oriented only to person, and ...

### English

Could you please check these sentences, too? I tried to rephrase the first lines again. 1) Hamlet wonders whether it is better (for him) to endure the assaults of shameless fortune ("the slings and arrows of an outrageous fortune") or to fight against his mass of troubles. 2) ...

### algebra

if sin alpha is 0.28° where 0° is less than or equal to alpha less than or equal to 90°, evaluate cos alpha, tan alpha, sec alpha, cosec alpha and cot alpha. please help, it's urgent.

### algebra

I worked the problem out, but could you check my work over and see if it's correct? I used the quadratic formula. 2x^2+10x+11 a=2 b=10 c=11 x=-10(plus or minus) sqrt 10^2-4(2)(11) over 2(2) -10(plus or minus) sqrt 100 - 8(11) over 4 -10(plus or minus) sqrt 100-88 over 4 -10(...

### Language Arts

9. Choose the type of punctuation that is missing from the following sentence. My best friends new dog wont stop barking. (1 point) (x)apostrophe ()semicolon ()colon ()hyphen 10. Cant you just see the look on his face when he finds out about the party. (1 point) ()apostrophe (...

### physics, please help!

(a) Find the current in each resistor of the circuit shown in the figure byusing the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoff’s laws: one with the node rule; a second using the loop rule through ...

### Algebra 2

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...

### Algebra 2

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...

### Algebra II

You have a 12 gallon bucket filled with water, and empty 7 and 5 gallon buckets. Without using any other measuring devices, and without estimating a half-way point on the buckets, how can you equally divide 6 gallons of water into 2 of the buckets. PLEASE SHOW WORK

### Algebra

3. There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your work. Help! I'm ...

### algebra

Please write an equation for the following problem. : dave sells popcorn at the ballpark. He is paid a flat rate of $40 each day but, also earns $0.45 for each box of popcorn he sells. Dave earns a total of $112 at wednesday nights game. How many boxes of popcorn does he sell?

### pre algebra

f(x)=9x+7 The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. help why is the answer negative infinity, infinity? thank you so much...please explain in plain terms...

### verbals: gerunds answer check

sorry for the repetitive questions! otherwise thank you for taking the time to check my answers. Underline the gerund, some do not have a gerund if so write ''no gerund.'' 1. Sketching is fun for me. Sketching - Subject 2. Marya exercises every day by swimming. Swimming - ...

### bookkeeping

when a window is displayed in front of another window,its said to be? (a)a screen saver (b)minimized (c)the active window (d)multitasked my answer is c which of the following options is used to view a computers memory properties? (a)device manager (b)control panel (c)...

### English

Could you please check this paragraph for me and check if everything is OK? 1) When Jessica arrived in Hollywood, she got the impression of being in an unexciting suburb of Los Angeles. 2) She first went to the Mann's Chinese Theatre, famous for its courtyard, where well-known...

### physics, please check work

a 15g bullet is fired at 840 m/s into a penullum consisting of a 24kg bag of sand. If the bag rises to a height of 80cm, how much energy is converted into thermal energy in the bag? Emechanical=Ek + Eg =1/2mv^2 +mgh =1/5(0.015)(840) + 0 =5292J Emechanical =Ek + Eg =1/2mv^2 + ...

### English

Could you please check which tense is best in the following sentences? Thank you. (The poet remembers a walk he went on with his sister, during which he was struck by the song of a Highland Lass.) 1) The poet doesn’t know the song she is singing. 2) As a matter of fact, the ...

### calc

given S=piX(X+2Y) and V=piX^2Y show that dS/dX=pi(X-Y) when V is constant, and dV/dX=-piX(X-Y)when S is constant. Please HELP!! I have tried several times, and I don't get the result you asked for. If we're given S=piX(X+2Y), then dS/dx= piX(1+2Y')+pi(X+2Y)= pi(X+2XY'+X+2Y) or...

### geography

Can you check my answers please? 1. What Russian peninsula is located between the Bering Sea and the Sea of Okhotsk? Kamchatka Peninsula 2. How many degrees of longitude circle the Earth? 360 degrees of longitude 3. What continents are included in the "tropics"? Australia, ...

### Help

Im trying to study but I need to know what (adverb phrases) are? 1.Please tell me what they are? 2.Please tell me how to identify them in a scentence? Please don't give me a link with a huge text of extra stuff...I just want to know how to identify them and what they are. I ...

### Math, please please help

The base length of each square-based prism in the pedestal design is 3cm less than that of the layer immediately below. a) Write an algebraic expression for the total of the top surface areas of the three prisms used to make the pedestal. x x x 2x+5 2x+5 Please help, i am so ...

### Inorganic Chemistry

The atoms in barium metal are arranged in a body centered cubic unit cell. Calculate the radius of a barium atom in A if the density of barium is 3.50g/cm3. The atomic weight of barium is 137.34. The atoms in barium metal are arranged in a body centered cubic unit cell. ...

### algebra help please

Mixture Problem... An auto tech needs a radiator to have a 40% antifreeze solution. The radiator currently is filled with 4 gallons of a 25% antifreeze solution. How much of the antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze?

### Algebra

Which choice could be the equation of a line parallel to the line represented by this equation? 7x− 12y = −32 A. y = 12/7x - 3 B. y = -7/12x + 5 C. y = 7/12x - 9 D. y = 7x - 12 can someone please give me a step-by-step on how to do this? i'm having a bit of trouble...

### Algebra 1

How many solutions does this system have? y=x+5 y=−5x−1 A. One B. None C. Infinite D. Two** Which best describes a system of equations that has infinitely many solutions? A. Consistent, independent B. Inconsistent, dependent C. Consistent, dependent D. Inconsistent** I'm ...

### Spansh #2 (URGENT)

Can someone please check my work? Julieta's friends all have different personal tratis. Complete the sentences below using the verb in parenthesis. 1. Maria <es> intelegente. (ser) 2. Julio y Marcos <están> en Ecuador. (estar) 3. Norma y yo <estamos> ...

### English

Q: What can you do for the school? 1. I can clean the floor of my classroom. 2. I can clean the floor of the hallway of my classroom. 3. I can clean the stairs with a mop. 4. I can pick up trash on the flower pots and on the playing field. 5. I can win first place by playing ...

### English

1. I will go to Haeundae Beach to take a walk at the beach. 2. I will go to Haeundae Beach to take a walk on the beach. (Which preposition do I have to use? At or on? Are both OK?) 3. I will iron my clothes in the bedroom. 4. I will mop the floor and clean the floor with wax. ...

### History help

I need help on these true/false questions. if false, i have to write what the correct word is. i need help in being steered towards the right answer! 1. the process of handing out jobs to ones supporters is known as "citizen system" 2. racial seregation in public accomations ...

### English

Could you please check if the following fill-in-the-blank activity is possible? 1. The woman denied __________ (be beaten) by her husband. 2. She admitted __________ (be abandoned) when she was a child. 3. He stopped __________ (drink) a glass of water and then he went home. 4...

### Physics -- check answers please

Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before impacting the trampoline? I ...

### U.S. History

please check these: 1. The First Continental Congress voted to a. end the boycott of imports from Britain b. call for the formation of colonial militias c. imprison all British tax collectors d. adopt the Declaration of Independence i picked B 2. the Revolutionary war began ...

### ALGEBRA-Help please

Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt.f the price of the jacket was $20 more than 3 times the price of the skirt, find the highest possible price of the skirt. How to set up this

### Geometric Series (Algebra 2)

I need some assistance or a formula when trying to find the first term of geometric series please! I don't understand this!!!! What is the first term of a geometric series with a summation of 289, 5 terms and a common ratio of 1/2?

### Maths

Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out to be -0.5 and its y - intercepts as 5. For some reason i am having a mental block on the next bit! I need to add the line y = 6 to the sketch and ...

### algebra 1 stat question

fastest recorded speeds of various large wild cats (miles per hour) 70,50,30,40,35,30,30,40,15. The standard deviation of is 14.01 and the mean is 37.7 I have created a dot plot of the data and now I need to find out within how many standard deviations of the mean does all the...

### algebra

The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68 10a.m. 62.24 12p.m. 69...

### algebra

A parabolic microphone has a cross-section in the shape of a parabola. The microphone is placed at the focus of the parabola. If the parabola is 20 inches wide and 5 inches deep, how far from the vertex should the microphone be placed? Can someone please help.

### Math

53 baskets were scored at the game. Jimmy scored 5 less than Trent. Trent and Justin scored the same amount. Evan scored ten more baskets than Trent. How many baskets did each boy get? Use algebra. please help, thanx:)

### math

Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c. The last ten d. The ...

### Algebra II

I asked this question yesterday, but I wasn't clear about the response. Could someone please explain it again? A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 5 feet ...

### Chemistry [back-titration] - please check my sol'n

A 7.00 gram sample containing the mineral tellurite was dissolved then treated with 70.0 mL of 0.03114 M K2CrO7. 3 TeO2 + Cr2O7 ^2- + 8 H+ -> 3 H2TeO4 + 2 Cr3+ + H2O When reaction is complete, the excess Cr2O7 2- required a 14.05 mL back titration with 0.1135 M Fe2+. ...

### English

1. Baozi is a steamed bread stuffed with meat, vegetables and red beans. 2. Meat pie is a kind of bread baked with meat and vegetables. Meat pie started in the UK. Usually, people in Australia enjoy eating meat pie. 3. Otak-otak is fish cake made with grinded fish wrapped in ...

### Math 7 - NYS Math Exam Review - Book 1 (HW)

C = 2nr!?!??!??! Since the NYS Math Exam is coming up (in my district in my school we have it next week). You see in my class were not done with our geometry and ratio, proportion unit and plus we are missing one unit: algebra. We didn't get to solving the formulas. Ratio and ...

### English

1. Twenty years is a long time. 2. twenty years is a long period. 3. 100 kg is very heavy. 4. 100 kg is a heavy weight. 5. Two hundred dollars is a lot of money for me. 6. Two hundred dollars is a great/good sum of money. 7. Twenty miles is a long distance. 8. Twenty miles is ...

### English

I will check your reading activity with a gun on the screen of this laptop. (A gun is a selecting program on the computer.) When a number shows up on the screen, the student should come up here and read one part aloud. This reading text is divided into 4 parts. Draw your ...

### English

Can you please check these sentences for me, please? Thank you very much. 1) Jason and Mark came quietly into the café. They went to a table and sat down. Then they called the waiter politely. The waiter was their school friend Mickey. Mickey says they called him rudely. ...

### ALGEBRA

CAN YOU PLEASE HELP, I AM STUCK..THANKS FIND THE DISTANCE BETWEEN (-3,2) AND (1,4) DETERMINE WHETHER THE ROOT OF 77 AND THE ROOT OF 121 IS RATIONAL OR IRRATIONAL. THANKS IN ADVANCE, I APPRECIATE ALL OF THE HELP.... The distance between a,b and c,d is distance= sqrt ((a-c)^2...

### Chemistry(Please check, thank you!!)

For my rate of reaction experiment I have to answer the question "why did we ask you to measure the room termperature and temperature of reaction solutions". For the experiment we used 5 flasks and we put one of them in an ice bath at 6-10 degrees C. My answer is that we ...

### Algebra

If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why? I x^2+bc+c is factorable and c is positive, then the signs of the last term factors of the binomials are the same, Why? Am not understanding this. could ...

### Social Studies (Please check these)

1. How was the structure of state government changed under governor Governor Carroll Cambell? a. Big departments were divided into hundreds of boards and commissions. b. The General Assembly gained direct control of state agencies. c. The governor gained more direct control ...

### Grammar and Composition

Please check these: Put parenthesis around the prepositional phrases and CAPITALIZE the prepositions. then list two other prepositions that could be used in the sentences. 1. We walked (TO the park.) -around the park -inside the park 2. I found my pencil (UNDER the chair.) -...

### reading/language please check

*principle or principal(do these make sense?) -She was a person of strong PRINCIPAL. -The PRICIPALS sat together at the district confrence. -How much of the total in my savings account is PRINCIPAL? -His hay fever was the PRINCIPAL reason for his sneezing. -It's not the facts ...

### Algebra1

Please check these for me. 11. Find: 32 out of 38 in percentage 84.2% 12. Find: 41 out of 51 in percentage 80.3% 13. Find: 69 out of 70 in percentage 98.5% 14. Find: 32 out of 110 in percentage 29% 15. Find: 41 out of 40 in percentage 102.5% Thank you

### English-(PLEASE CHECK)

Does George think the new job will last a while? My Answer- Yes. What clues does he give? He says that they are not like the other guys. OR....... No, because he knows what Lennie could do, like in Weed. He knows Lennie's a lot of trouble and that he'd be better off w/ out him...

### English

1.Choose a movie or a performance you saw recently and write down your story in the blanks. I like watching movies. I saw Titanic. I think it was fantastic. 2. Based on the summarized above, write down your movie report /write down your impression about it. After Watching ...

### English

Could you please check these sentences, please? Thank you. 1) It is evening and the action takes place in Eveline’s living room. Darkness and dust characterize the room. 2)In the past Eveline and the other children used to play and shelter by vigilance (I need a synonym) ...

### alebra

please check my answers. 2: how is the graph of y=-6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is launched from a roof into a...

### Help!!=( I'm lost in Confussion!! )=

What are some animals that live in the Steppe??? Please Help Me!!!! Check this site for a few of the animals that live in the steppes. http://www.micro.utexas.edu/courses/levin/bio304/biomes/GRASSLANDS/steppelife.html

### ENGLISH

CAN YOU CHECK THESE PLEASE: 1.We followed the protocols precisely with test results yielding further opportunities for experimentation. Rewrite: The test results of the protocols no longer will permit opportunities for future experimentation. 1.Customers' complaints have been ...

### english

Can you check my poem if it has 10 syllables per line and any other mistake? and thank you. You just didn’t know how much I loved you How hard I tried and you still didn’t know How close we were was something oh so true I don’t think it was right for you to go The things...

### English

Could you please check these sentences, please? Thank you very much for your invaluable help. 1) This TV programme concerns young people with discipline problems. They are sent to different parts of the world and live with families with very strict parents. 2) The first ...

### algebra

The 2842-seat performing arts center has three sections-orchestra, mezzanine, and balcony. The mezzanine has one-sixth fewer seats than the orchestra. How many seats are in the balcony if the orchestra has 1,218 seats? Please show me how to set up the equation.... thanks

### Algebra Word Problem

I NEED HELP PLEASE!!!!!!!!!! Elena bicycles 7 km/h faster than Dennis. In the same time it takes Dennis to bicycle 60km, Elena can bicycle 81km. How fast does each bicyclist travel. Dennis travel_____ km/h Elena travel ______ km/h

### Algebra

Rod and reel inc. manufactures and sells fishing rods. The company uses the equation P= 25r - 12,500 to estimate its profit P on the sale on the fishing rods. How many fishing rods were sold if the company made a profit of 125,000? Please help. Thank you

### Algebra

The diameter of the moon is about 3476 kilometers. The distance from earth to moon is about 384,400 kilometers. About how many moons could be lined up in a row between earth and the moon? Round to the nearest whole number. Please help answer thanks

### Algebra

The function y = –0.296x^2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How high does the rabbit jump? One the rabbit reaches the ground what is the total length of the jump? I got 4.6 cm high, and 6.2 cm long. Is this ...

### Algebra

A carpenter drills 5 equally spaced holes in a 56 3/4" long piece of wood. The two end holes are an equal distance from the center. If each hole is 7 1/2 inches apart, what is the distance from each end of the wood to the nearest ens hole? Please explain Thanks, Mark

### algebra

Use the five steps for problem solving to answer the following question. Please show all of your work. The average of two quiz scores is 81. If one quiz score is six more than the other quiz score, what are the two quiz scores?

### Java Programming

Hey! Thanks for checking my question out! ____ 10. If x is a sorted array of int values, which of the following shows a call to a method of the Arrays class that will determine if the value 7 exists in the array? (1 point) a) int loc = java.util.Arrays.search(x, 7); b) int loc...

### English 101

My question is to correct the faulty parallelism.How can we do that. "The streets were not only too steep but also were too narrow for anything other than pedestrian traffic." The structure is parallel. Perhaps the second were isn't needed. Please check back here because ...

### English

Please check this for me thanks so much for your time :) Write a letter To Mark Jones regardng your finanical hardships you are facing since you have been out of work due to a car accident. Make sure you give as many details as you can. June 17, 2008 Dear Mr. Jones I am ...

### Algebra 2

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 + 24 + ... a. Use summation notation to write the series, give i.the lower limit of the sum ii.the upper limit of the sum iii.the explicit formula of ...

### French

Could you please check these answers thanks so much. Directions: give own answers 1. Qu' est-ce que tu fais comme langues? Du français? De l'espagnol? Answer: Je fait du français. 2. Et tes copains, qu'est-ce qu'ils font comme langue(s)? Answer: Ils font de l'espagnol. 3. Qu...

### Spanish 2

Double Object Pronouns. Sustituya (Substitute) los complementos directos e (and) indirectos por sus respectivos pronombres. Modelo: Alberto le sirvió café a Jimena. Alberto se lo sirvió. Can you please check my anwsers for these sentences? Gracias! 1.Ricardo le pidió ...

### Statistics

In the Federal Trade Commission (FTC) \Price Check" study of electronic checkout scanners, the FTC inspected 1,669 scanners at retail stores and supermarkets by scanning a sample of items at each store and determining if the scanned price was accurate. The FTC gives a store a...

### Math

I haven't done factoring in ages I'm trying to factor this X^2 - 2X + 8 If i remeber correctly sense the leading coefficent is 1 the factored form is in this format (X-A)(X-B) which would give you X^2 -AX - Bx + AB or simply X^2 -(A+B)X +AB so then in my problem -(A+B)X = -2 ...

### calculus

find the circular cylinder of greatest volume that can be inscribed in a right circular cone with altitude 20 cm and diameter of base 10 cm. please answer in detail ..... so at a height h, the radius is 5(1-h/20) check that. VolumeCone= PIr^2 H = PI h * 25(1-h/20)^2 find dV/dh...

### spanish/check please

choose the best words A ver, ( primer,primero), me diez cosas o mas antes de llegar a la escuella en la manana. answer: primero (seguanda, segundo ) , me levanto answer :seguando la ( tercera, tercer)accion es banarme. answer:tercera ( septimo, septima) , me lavo los dientes. ...

### Algebra

In my algebra b ook it says if a is less than 0, the absolute value of a is negative. But I thought absolute value was always positive! Is this a goof or is there some truth to this?

### Math page 167 algebra did you hear about...

Hi I need help with this one problem. It's on page 167 algebra with pizzazz. It has to use the addition method. 3x-5y=7 5x-2y=-1

### math/prealgebra

what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?

### English

I'd like you to check these other sentences please. Thank you very much. 1)The train is going to take eight hours to get to Rome. 2) The train journey is going to last eight hours. 3) We are flying back to Milan on 12 July. Our parents are going to pick us up at Milan airport...

### Spanish-SraJMcGin please check

I had asked a question the other day but I'm not sure if I'm understanding this- it was a comparison-You said this as a comment: Spanish-8th grade - SraJMcGin, Thursday, October 20, 2011 at 4:02pm 3. also = de las tres actividades Also, #3 is different because it is not an ...