# Algebra, help + check please

105,703 results, page 76

### Algebra

please help me solve my homework with all the work involved. i have trouble paying attention in class so it's hard for me to do my homework. here are a few of the questions. I need to find out what the letters equal. 1.) 10(-4+y)=2y 2.)9(b-4)-7b=5(3b-2) 3.)-(8n-2)=3+10(1-3n) 4...

### ALGEBRA

Find the area of an irregular shape.Round to the nearest tenth. The picture looks like the post office mail box. The top half radius is 5cm and the lower half is 8cm a 90.2 cm^2 b 241 cm^2 c 65.1 cm^2***** d 72.3 cm^2 Please help

### Physics

Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 ~ 10−3 ƒ¶ is in a region where there is a uniform magnetic field B. The field is at 30‹ to the normal to the plane of the wire loop as shown in Figure 3. The magnitude...

### Physics(Please check)

A gas, while expanding under isobaric conditions, does 660 J of work. The pressure of the gas is 1.40 x 105 Pa, and its initial volume is 1.70 x 10-3 m3. What is the final volume of the gas? Would I multiply the two values? W = p*dV = p(Vf - Vi)--for isbaric p is constant. ...

### Chemistry

A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. Someone said: assume you have 100 grams. It becomes the overused algebra candy mixture problem...

### Grito de Dolores

How was the writing of the Grito de Dolores similar to the writing of the petition by the First Continental Congress? Please check this site. http://en.wikipedia.org/wiki/Grito_de_Dolores

### american history

was hamilton a federalist or antifederalist? Please check this site. http://www.infoplease.com/ce6/people/A0858547.html

### Rational Inequities

Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 <0 my answer: (-infinity,-1) u (2, infinity) -x+8/x-3 > or equal to 0 my answer: (3,8] 2/x-2<1 my ...

### Quick English check

Please check to see if I have these words in the correct sentences. Correct me if I'm wrong! :) 1. The defendants attorney objected to the plaintiff's ASSERTION, claiming it was hearsay. 2. The news media PROMULGATED the results of the election. 3. I tried to ARTICULATE my ...

### English

What is the part of speech of "for my birthday" in each sentence? An adverb phrase or an adjective phrase? Would you check them, please? Can a phrase be either an adjective phrase or an adverbial phrase? Thank you. 1. What do I want for my birthday? 2. This gift is for my ...

### algebra

Can someone please help me do this problem? That would be great! Simplify the expression: sin theta + cos theta * cot theta I'll use A for theta. Cot A = sin A / cos A Therefore: sin A + (cos A * sin A / cos A) = sin A + sin A = 2 sin A I hope this will help. in my algebra ...

### cultural diversity

prejudicial behaviors by young children particularly in the 3 to 5 year age group are not rooted in acognitive inability to fit new information and experiences into an existing belief system b.observation and emulation of pro-social attitudes and behaviors on the part of a ...

### History

Can someone please check my work? 18) Many wealthy American industrialists of the late 19th century used the theory of Social Darwinism to: a. Support the labor union movement b. Justify monopolistic actions c. Promote legislation establishing a minimum wage d. Encourage ...

### please check(Social studies)

please check my answers thanks 1.B 2.C 3.B 4.B 5.C and D 1.How did the haitian revolution impact the history of the united states? A.It brought the united states into a war with spain over cuba. B.France no longer had haiti,so Napeleon was willing to sell louisiana. C.Slave ...

### science

Select the choices in which work is done by recording "yes" or "no": 1. Reese completing her chemistry homework. NO? 2. the movers carrying Catalina's amplifier from the moving truck to her house. NO? 3. Li pushing his motorcycle down his driveway. YES? 4. Reese carrying ...

### Please check my solution bob pursley or drwls if a

If I had the old-fashion camera that had a focal length of 35mm(0.035m) and I take a picture of a person 6 m away, how far does the film need to be from the lens to record a clear image? I know that the equation is 1/f = 1/d(object) + 1/d(image) so would I do the following: 1/...

### Social studies

Who are allies/enemies of Panama? please tell me! I need to know. i've looked everywhere to find this info but failed. I posted the same question here before but it didn't really help. If you know, please just give me the country names. I have been trying to look up this ...

### world history

can you please check my answers 3.In China in the 1980s, commune-based agriculture was replaced by the _______ responsibility system. A. household B. community C. cultural<< D. Confucian _______________________________________ 4. Which of the following statements about ...

### maths

1)a linear function is represented by f(x)=2x+7 which of the following functions would be parallel to that of the function above a)f(x)=2x-7 b)f(x)=x+7 c)f(x)=x-7 d)f(x)=-1/2x+7 e)f(x)=-1/2x-7 I choose b 2)water is pumped into an empty tank at a constant rate. after 2 minutes ...

### Calculus, check my answer, please! 2

Consider the following functions: f(x)=sin(x^4-x^2) h(x)=(|x|-3)^3 g(x)=1n(|x|)+3 s(x)=sin^3(x) Which of the following is true? h and g are even, f and s are odd. f is even, h and s are odd. h and s are even, f is odd. ***f and h are even, s is odd. f, h, and s are odd.

### Honoirs Algebra

Hello - I am afreshman & honors algebra is kicking my butt - I need to simplify the following (-6c)(2-3c) can some on help

### Algebra 1A

Enrichment Exercise Life Expectancy MAT 116 – Algebra 1A I need help solving the answers for this assignment

### algebra

I am greater than 15 and less than 40 If you double me I become a number that ends in 0 and of me is equal to 5 [Click to preview algebra format]

### Algebra

Algebra with Pizzazz need help with the riddle When Do Sky Drivers Use Decimals I have in a tent is satuasion?????

### algebra 1 or pre algebra

for some real number b, the graph of the line y=3x+b passes through the point (7,-3).what its y-intercept?

### business

Sergio bought 250 shares of Silicon Acme @ 20 through his margin account. Then the stock plummets to $7.50 a share. Calculate the market value, debit balance, and customer equity if his brokerage firm's margin rate is set 60%. I got... market value = $1875 debit balance = $750...

### geography

Will you check my answers please? 1. Is central America on the North or South American continent? North American 2. What are the three countries in the world with the largest land areas? Russia, Denmark, and Canada 3.What is the capital of the state that has a northern border ...

### English

1. Her family is having a barbecue party. The person has put a piece of meat on the barbecue. A girl is carring some fish on the plates. 2. Each person is cooking meat on the barbecue. Her family is having a barbecue. That person is barbecuing some meat. (Would you check the ...

### CHEMISTRY(URGENT PLEASe)

CONVERT : 1.67KG =___MG 2.70MM=___KM 3.55 DAYS=___MINS 4.37 FAHRENHEIT=___KELVIN BETTER IF WITH SOLUTIONS PLEASE AND HOW TO DO PLEASE

### Geometry MATH CHECK

Check? In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. We use that formula |a-b| because a and b are representing coodinate numbers you need to ...

### Math

1. The Suarez family paid $15.75 for 3 movie tickets. How much would they have paid for 12 tickets? $15.75/3=$5.25 for 1 ticket $5.25 x 12=$63.00 for 12 tickets 2. A grocery store sells snacks by weight. A six ounce bag of mixed nuts costs $3.60. Predict the cost of a two ...

### HIPPA

please check my answer thanks If HIPPA law is stricter than state law, which standards should you follow and why ? What if state all was stricter ? This is all I have so far any input would be great HIPPA laws are stricter than any state law. This standard over rules any state...

### Math(Please check)

This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin 30 = 0.50 X 3.021 = 1...

### English

There are four words in the Feeling pouch. You have to find one word which doesn't belong to this feeling category. Music doesn't belong to the feeling category. So take 'music' from this pouch to the subject pouch. There is a blank in this pouch. You should put 'music' in the...

### Music

I was wondering if someone could check out my music information site dontbflat and let me know what you think about it. Since I cant post the address here search google for dontbflat. It will find it. I'm trying to make the site helpful for kids and teachers alike. Its still ...

### Physics-Please check my explanation-I need to know

Posted by Juliette on Sunday, October 10, 2010 at 4:58pm. Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-because the formula F...

### Math

Could I please get some help for these 3 questions, apologies for asking so many, but they were the ones I was really unsure of: 1. Find an equation for the line tangent to y=ln(x) and that goes through the origin. I have no idea, the ln(x) stuff is confusing me. 2. derivative...

### Tense

1. John took a nap after he had read a book yesterday afternoon. 2. I got up so late that I didn't catch the bus this morning. 3. Last night, Mary said she would go shopping with me when she had time. 4. I last flew kites with my friends 5 years ago. 5. I wrote a letter to ...

### Math156-check my answer please

a tennis magazine averages 150 pages per issue, there are 7 adds for every 3 pages. how many ads would you expect in a typical issue ? 150 divided by three =50 50 x 7 ads =350 my answer is 350 ads would be in an issue Is this correct ?

### physics formula check please

A mirror produces an image that is located 28.0 cm behind the mirror, when the object is located 9.90 cm in front of the mirror. (a) What is the focal length of the mirror? (b) Is the mirror 1 - concave or 2 - convex? (Give the number of the correct answer.) The refractive ...

### math, algebra

Can someone check this for me : Find the gcf for each of the following groups of numbers: 36,64, and 180 My answer: gcf=4 Find the lcm for each of the following groups of numbers which ever method you wish:8,15, and 20 My answer: Lcm=1 Find two factors of 15 with a difference ...

### chemistry help asap

Please check these thanks. 1. In a titration, 33.21 mL 0.3020M rubidium hydroxide solution is required to exactly neutralize 20.00 mL hydrofluroic acid solution. What is the molarity of the hydrofluroic acid solution? Answer: 0.502HF 2. A 35.00 mL-sample of NaOH solution is ...

### Physics - correction - significant digits

1) How many SD's? a) 5.7 = 2 SD b) 235.12 = 5 SD c) 8.07 = 3 SD d) 0.0032 = 2 SD e) 0.0150 = 3 SD f) 1.39x10^5 = 3 SD g) 15.200 = 5SD h) 1070 = 3 SD 2) Calculations - Please check the SDs a) 15.3 + 25.03 = 40.33 = 40.3 b) 1200 + 63 = 1263 = 1300 c) 4.78 - 1.2 = 3.58 = 3.6 d) ...

### English

Thank you very much for your help. Can you please check these sentences, too? 1) He recommended I should phone him that evening. 2) He promised to drive me to school. 3) He accepted to drive me to the airport. 4)She denied that her sister had stolen the jacket. 5) Who drives ...

### 6th grade math

Can you check #18 and explain how to do #15 please? 15. Sue ordered 4 pizzas for 6 dollars each and 2 twelve packs of coke for x amount. Use the distributive property to create an equivalent expression. Ans: not sure-seems like they're not related. 6*4=2(12x) 24 =2(12 + x) 18...

### Social Studies

What negative impact did gold and silver mining have in the south? a)Tent cities near the mines fostered criminals as long term residents b)Ghost towns were left behind after the mines stopped producing c)Mining camps were sources of many contagious diseases d)Mass immigration...

### Need HELP ASAP - PLEASE ` economics

Suppose the economy has been producing its potential, but it is now experiencing a recession. Which of the following is a discretionary fiscal policy that would bring the economy closer to its potential output? Check all that apply. 1) A tax cut 2) A tax increase 3) The sale ...

### English

1. What can robots do? They can do many things for us. 2. What does Albert Hubo like? He looks like a real person. 3. What can Albert Hubo do? He can walk, talk, laugh, cry, and shake hands. 4. Where does HiRobo work? He works at a car factory. 5. What can HiRobo do? He can ...

### trigonometry

1.if 2^x+2^y=2^(x+y) then dy/dx is equal to what? 2.If x.root(1+y)+y.root(1+x)=0 then dy/dx is equal to what? 3.Sin[(1/2)cos^-1(4/5)] is equal to what? 4.check the continuity of function f(x)=2x+3 at x=1. 5.check the continuity of the function F(x)={e^x - 1 -x ; x not equal to...

### chemistry

Calculate the reduction potential of the following solutions: a- 1 M CuSO4 b- 1 M FeSO4 c- 0.1 M CuSO4 I'm now the same answer as you. :( This is how I did it can you please check. a- Cu(s)---> Cu(aq) + 2e = -0.34 V SO4^-2(aq) + 4H(aq) + 2e --> H2SO3(aq) + H2O(l)= 0.20V ...

### English

1. What is bibimbap? It is a popular Korean dish. 2. What do we have today? We have a special dessert today. 3. What is today's special dessert? It's chocolate ice cream. 4. Who are they? They are student reporters. 5. What is the opening hours of the library? It's open from 8...

### Math

1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 vibrations per second, write an equation in the form d=sinw(t) for the simple harmonic motion. 2) Verify the identity tan^2X-cot^2X/tanX+cotX=tanX-cotX I'm not completely sure on the first one, but I think ...

### BAA App. Essay Help! (please read!)

One of my personal achievements has to do with artistic. When I was in the 7th grade I participate in the 2012 Reflections Competition. The theme was "Diversity Means...". I decided to do visual arts. In my art work, I drew a huge earth and on top of the earth I drew five ...

### algebra 1 function question

given functions f(x) = 3x-5 and g(x) = 1/3 - 4/3x correct the error g(-3) = 1/3 - 4/3(3) = 1/3-4 = - 3 2/3 error i believe is 3 should be -3 so g(-3) = 1/3 - 4/3(-3) 1/3- (4/3 times -3/1) = 1/3 -( -12/3)= 1/3 +12/3 = 13/4 = 4 1/3 other one: f(1) = 1/3 - 4/3(1) = 1/3 - 4/3 = -3...

### algebra

please bear with me. i'am 58 years old and decided i wanna get my high school on line. my question is. convert the base 10 numeral in the base indicate 504 to base 10, and can i work this problem. so that i can come up with the correct answer.

### English

1. I want something for writing;any pen or pencil will be OK. 2. I want something for writing with;any pen or pencil will be OK. 3.I want something for writing. 4. I want something for writing with. (Are they correct? If I remove the latter part, are they correct? Check the ...

### math

hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy Migre, a certified ...

### Chemistry(check)

Please check for me. 1. For the reaction CH3COOH--->CH3COO + H+, which of the following statements is true? CH3COOH is a Brønsted-Lowry acid.<--- CH3COO is an Arrhenius base. CH3COO is a Lewis base. CH3COOH is a Brønsted-Lowry base. 2. Of the metals Pb, Mg, Au, and Na...

### Chem Question?

I answered this question already, but would like you to check if the answer I provided was right. If for some reason my answer was not right please provide me with the right answer. 1)The air in the inner tube of the tire of a racing bike has a pressure of 115 psi. Convert ...

### Compter Science ASAP please

How do you check if the words exist in the sentence in Python? So far I have got... the_sentence = ("I love chocolate and chocolate loves me") sentence = the_sentence.split() print(sentence) sentence_1 = raw_input("Enter a word") def "word": if word in the_sentence: print "Yes...

### accounting

Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)...

### English

Could you please check these sentences I'm not sure of? Thank you. 1)Who (amont you) gets the best marks in both English and science? Who achieves the best results in both English and science? We are going to choose high achievers who get the best/highest marks in both English...

### french

I need to put these 10 verbs in passe simple then write their corresponding infinitive: regarder, rester, parler, pouvoir, s'habiller, sourire, se remplir, se montra, avoir, etre Can anyone help me with this please? Thank you for using the Jiskha Homework Help Forum. First of ...

### Science

During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help during this process? A. It increases the weight of...

### algebra

need help again!!!!! Simplify the expression. Use only positive exponents. 8x^2 y^-2 . (4xy^2)^-1 __________ ____________ x^-2y x^2y i'm sorry i can't read your question that well. use "/" sign for fractions and "*" sign for multiplication please.

### Math(Algebra 1)

Im doing math homework and having some trouble. Its called "Graphing equations", and this one is hard. It says 2x-y=7 and then I have to match it with a graph in the textbook. What do I do first to be able to match it? Please help a.s.a.p.

### Algebra 1

"Solve each system algebraically. Identify each system as cosistent and dependent, cosistent and independant, or inconsistant." my teacher didn't go over this in class and i have no idea what it means! here are the problems: #1) 2f+3g=11 f-g=(-7) #2) 4x=y+5 6x+4y=(-9) #3) 4r+t...

### Algebra

Suppose that P dollars are invested in a savings account at interest rate I, compounded annually, for 2 years. The amount A in the account after 2 years is given by A = P(1 + i)^2. Find an equivalent polynomial expression for A. Please help if you can! Thank you! :-)

### Algebra HELP

h(x)= 3x^(5) + 2x^(4) + 15x^(3) + 10x^(2) - 528x - 352 for this equation how would I know to use the square root of 11 in synthetic division to be a factor? I used the p / q list but I did not get sqt root of 11 as a possible factor. could someone help please.

### algebra

solving the equation (x+4)(x-4)=9 Eric stated that the solution would be x+4=9>x=5 or (x-4)=9=>x=13 However one of these solution fails to work when subsituted back to the original equation. Why?olve and explain the reasoning. Can someone please help me?

### algebra

can you help me with the Lesson 9: Operations and Applications of Scientific Notation Connections Education 1205070 M/J PRE-ALG - T1 Unit 2: Rational Numbers test.What is the product of (5.1*10^3)*(3.2*10^3)? (please express your answer in scientific notation.)

### algebra

Jeremy has 4 1/2 cups of iced tea. He wants to divide the tea into 3/4 cup servings. use the model to find the number of servings he can make. Please help answer question. thanks would it be 9/2 multiplied by 4/3

### algebra (please help)

A total of $22,000 is invested in two municipal bonds that pay 4.25% and 5.75% simple interest. The investor wants an annual interest income of $1085 from the investments. What amount should be invested in the 4.25% bond?

### College Algebra

A rectangular parcel of land is 20 ft longer than it is wide. Each diagonal between opposite corners is 100 ft. What are the dimensions of the parcel? This is an Example in the book but it does not clarify in the text book, Can anybody please show me how to do this?

### Algebra 2

Can someone help me solve this inequality please? So I'm supposed to write the answer in interval notation and then graph it. The problem is the answer I get is negative and I thought that absolutes cannot be negative? Am I wrong? Here is my work so far: |2x-1|+6<2 |2x-1|+6...

### Algebra Probability PLEASE HELP

You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you will guess exactly three out of five questions correctly?

### Algebra/Math

The difference of two numbers is 29. If five times the smaller number is twice the larger, the result will be one. What is the larger number ? Please help.. I need an answer in 10 days. Thank you, much appreciations.

### Geometry

I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon my class starts at 9:00

### Algebra

1. Solve the equation below for x interms of a 4(ax+3)-3ax=25+3a 2. The formula for the sum of the degree measures of the interior angles of a polygon is S=180(n-2). Solve for n, the number of sides of the polygon, in terms of S. IM STRUGGLING PLEASE HELP

### Health Check answers plz

Can someone check my answers? 1. Obesity is the condition of being significantly overweight. A. True**** B. False 2. Obesity is body weight that is normal for that particular age, sex and height. A. True B. False**** 3. The number of children in the United States who are obese...

### Scholastic Arts and Writing Awards

Fee Waiver Statment: A teacher or administrator must submit a letter on school letterhead listing the student or students who qualify for a fee waiver. The letter must be signed by the teacher or administrator and included with the submission form in lieu of the check. Fee ...

### English

If you could have anything you wanted, what would it be? What would you be willing to do to get it? Express these ideas and emotions in a bried (10 line) monologue/sililoquy. can u send me a site that would have some examples that could help me??? Please double-check the ...

### Algebra

Can someone please help with this? Allen bought 20 stamps at the post office in 37¢ and 20¢ denominations. If the total cost of the stamps was $7.06, how many 37¢ stamps did Allen buy? A) 15 B) 16 C) 17 D) 18

### Pre-algebra HELP ME PLEASE

A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?

### Algebra

will you please show me step by step in solving: 1/2 log b + 3 log c. I need to express as a single log logarithm and if possible, simplify Thanks

### algebra!!!! please help me!!!!

The smallest possible positive value of 1−[(1/w)+(1/x)+(1/y)+(1/z)] where w, x, y, z are odd positive integers, has the form a/b, where a,b are coprime positive integers. Find a+b.

### Algebra I

The sum of two numbers is 15. Three times one of the numbers is 11 less than five times the other. Find the numbers. Please help. ^.^

### algebra HELP

mary has a solution that is 60% alcohol and another that is 20% alcohol. how much of each should she use to make 100 milliliters of a solution that is 52% alcohol? please help, I don't understand how to do this problem!

### Algebra 2

How much pure acid must be added to 6 milliliters of a 5% acid solution to produce a 40% acid solution? Please Show All Work!

### algebra

the units digit of a 2-digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10. Please help i am completley lost!!

### advance algebra

The difference of two numbers is 192.If one is 9 times the other, what is the bigger number. X=smaller number y= bigger number please help..thanks

### algebra

10 ft ladder leans against wall its foot braced 3 ft from wall's base. how far up the wall does the ladder reach? please walk me through it

### algebra

Rita's tuition bill for last semester was $4360 If she paid $6052 in tuition this semester what was the percentage increase on her tuition Please help me as I am not sure of my answer which is 0.38%

### Algebra

you can represent the width of a certain rectangle with the expression x + 2. the length of the rectangle is twice the width. what is the area of the rectangle? A.) 2x+4 B.) 2x^2+8 C.) 2x^2+8x+8 D.) 4x^2+16x+16 I'm not sure on the answer..... Please help Thank you

### Algebra

Please show how to solve for problems like this: How many pounds of coffee that costs 4.50/lb be mixed with 20 lbs of coffee that costs 7.50/lb to make a mixture that costs 5.00/lb

### Science

I have a Science fair project. This is the Science Fair Quetsion: Which brand of soda retains its gas the longest? My Problem is that I don't know how to measure gas. Can some one who knows please help me. open the bottles of soda at the same time and check every few minutes ...

### Career Explorations - Please Check My Answer

Please help me with the following questions: Nichole has been a police dispatcher who answers 911 calls. After working in this position in the police department for a while, she decides that she wants to become a police officer. Nichole would like to change her A. job pathway...

### Basic Math

I forgot how to solve for two variables... Please check if I solved both problems properly! Thank you. Equations: (solve for t and z) 12t + 4z = 80 2t + 4z = 20 My answer: t = 2, z = 14 The steps: (simplified it) z = 20 - 3t, z = 5 - 0.5t (equated both sides to isolate for t) ...

### English

Now, let's do some role play. You should rold play with the dialogue I gave before. Do you have the handout? Take it out and practice the role play in pairs. I will call your number. If I call a number, the person of the number should come up with his partner and looking at ...