# Algebra, help + check please

104,559 results, page 64

### English

1. He is pretending to try to hit a ball. 2. She is pretending to play the guitar. 3. She seems to pretend to play the guitar. 4. He has put his right fingers around his chin. 5. It seems that he tries to hit a ball. (Are they grammatical? Check them please. Thank you.)

### English

Thank you very much for your corrections. Can you please help me check these sentences, please? 1) Don't write long-winded sentences.Your sentences must contain no more than two subordinate clauses. (or two subordinates at the most?) 2) You wondered off the subject. You were ...

### Algebra II

ok now this is an algebra 2 problem... I have goten far down to hear e^(ix) = (4i +/- 3)/5 now how do I solve for x I feel really stupid now as this is algebra 2... can't use natural log right or the common log as ln( e^(ix) ) does not equal ix so what do I do?

### Algebra

(I am not sure how to get the y value for part C and the whole part D) (I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered that is because I do not...

### Math

Could someone please tell me if I got the following problems correct? 1. 7+(-9)+(-5)+6 = -1 2. |-27+14|= -13 3. |-8|+|2|=|-3+2| is this statement true or false? I said false 4. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for ...

### cultural diversity

1. Native Americans are ambivalent about early intervention programs for children with disabilities because they: A. Have a high tolerance for human imperfection. B.have their own tribal healing ceremonies and rituals. C. Believe programs of that type result in greater ...

### Spanish-Please check answer

We are just learning about travel and I'm not sure if I answered these correctly-especially the second question Cuando vas a otro país necesitas pasar por la ? Would answer be la advana (customs) Tienes que_______el cinturón de seguridad mientras estás en el vuelo. Would it...

### geography

Can you check my answers please? 1. Who has sunrise first, eastern or western Europe? Eastern Europe 2. What is the capital of the country that has a border with Hungary and a coastline on the Black Sea? Bucharest, Romania 3. Is the Arctic Circle closer to the equator or the ...

### English

There are seven books. A series of eight movies based on the novels has been made by Warner Bros. They started making the movies in 2001. The first one was released on November 16th 2001. The second to the fifth were released respectively on 2002, 2004, 2006 and 2007. (Would ...

### English - check my answer, please. Last one :)

"Dr. Smith had argued that the cure for insomnia could be found in the seeds of apples, and although it was not true, he had made money giving lectures." This statement: *** includes a shift in tense. is a sentence fragment. includes an inappropriate use of a comma. includes a...

### Math, please check work

find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0,0) midpoint: (4, -3) I would Double the midpoint and add on the endpoint The other endpoint would be (8, -6) is this correct?

### History

How did the Cold War(period that begun immediately following WWII) affect the Congo? Please check the Cold War article in this encyclopedia. http://encarta.msn.com/

### Math(Please check!!!)

1) Evaluate (if possible) the sine, cosine, and tangent of the angles without a calculator. a) 10pi/3 Sin = -sqrt 3/2 Cos = -1/2 Tan = sqrt 3 Are these correct ? I do not understand when to make them negative. b) 17pi/3 Sin = -sqrt 3/2 Cos = 1/2 Tan = - sqrt 3 Are these correct?

### Chemistry(Please check)

1) If exactly 100.0 grams of NaCl (mm=58.44g/mol) are dissolved in 300 grams of water (mm=18.02g/mol), the mole fraction of NaCl is? a) 1.71 b) 0.0932 c) 0.250 d) 0.103 e) 4.75 I did 100g / 100g + 300g = 100/40 = 0.250. Did I do this correctly?

### grammar please help!

I still need help on 1 and 2. Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b. father c. from d. work 2. Ashley put her journalism books in the new bookcase. a. bookcase b. put c. new d. in ...

### Science - Check my answers please (6th grade)

When are tides in Earths oceans the highest? 1. during the moon's waning gibbous phase 2. during the moon's waxing gibbous phase 3. when the moon is at a right angle to the sun 4. When the sun, Earth, and moon are in a line.

### English

1. Two-thirds of the books are novels. 2. One-third of the water is sweet. 3. Most of some pencils are short. 4. Most of some water is salty. 5. Half of every apple is rotten. 6. Half of each apple is rotten. -------------------------------------- Are they gramatical? Check ...

### pg-13

ok if your 13 and your friend is 12 can you both still get into a pg13 movie??? My experience is that anyone can get into a PG-13 movie. PG 13 means parental guidance is needed for those under 13. I believe the theaters expect the parents to decide who can see these movies. ...

### Physic please check

A piece of copper wire has a resistance per unit length of 6.50 10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.170 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the center of the coil. ...

### Physics

I have to make up my own standardized questions for a project, and I wanted to make sure I did my math right. Can someone please check it? Thanks!! If your mass was 60 kg, the earth’s mass was 6×10^24 kg, the radius of the earth was 6.4×10^6 meters, and the universal ...

### dog behavior re post

please check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly prsented and periodically followed ba a US B When a CS is repeatedly presented without the prsention of a US C CS and US are presented together D CS is ...

### Assistance Dogs

Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds, noises, or moving ...

### Math(Please check)

During the month of February, a flu epidemic hit the University. The number of people sick at time t (measured in days) is given by the function P(t). The rate at which the epidemic is spreading on February 3 is 110 people per day. How is the information best represented ...

### biology /check please

(stimulus v. response)? Which of the following is a stimulus, which is a response? Thanks 1)the recess bell ringing in an elementary school 2)your mouth watering at the sight of food on a plate 3)a sudden drop in air temperature 4) a flu virus entering your body 5) getting ...

### Chemistry(Please check answer)

The Ksp values for three salts are given: AgCl = 1.0e-10 Ag2CO3 = 6.3e-10 Ag3PO4 = 2.0e-21 Determine the order of solubility for these three salts. My answer is AgCl > Ag2CO3 > Ag3PO4. Would you agree? Thank you.

### Math(Please check)

The value of an automobile was $15,780 in 1994 and depreciated to $5400 in 1999. Let y be the value of the automobile in the year x, where x = 0 represents 1994. Write a linear equation in slope-intercept form that models the value y of the automobile, x years after 1994. ...

### Spanish

Can someone please check my work? What color and season do you usually associate with.... 1. Valentine's Day? 2. the hot sun? 3. a pumpking? 4. snow? 5. grass? 6. flowers? I don't get how to answer these. Can you please do one as an example? Answer each question with a ...

### Health/ Basic Clinical Procedures

please check mey answer thanks which of the following patient's need special attention by the medical assisnt while measuring height A 19 year old B 77 year old C 15 year old D 25 year old I think it is C because they are young,however the 77 year old may also need some help

### Algebra

A teacher wants to give each sudent in his class some candy. He wants everyone to get an equal number of pieces. The teacher has fewer than 85 pieces of candy. If he arranges the pieces in froups of 2, 3 or 4 for each student, he wil have 1 piece left over. if he uses groups ...

### College Algebra

(I am not sure how to get the y value for part C and the whole part D) (I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered that is because I do not...

### Economics (inflation)

Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and got a 1898.89% ...

### Chemistry (Check and Help)

Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount in grams of excess reagent. 8.75 g of mercury (II) nitrate solution is mixed with 9.83 g sodium iodide solution (ppt). Hg(NO3)2(aq) + 2NaI(aq) --> ...

### English - check my answer, please.

"Martha, Gates, and Zuggy lifted the piano onto the bed of the truck and Kate tied the legs to the frame with ropes and grounding cable and I watched from the sofa." This statement: includes an inappropriate combination of modifier and noun. includes a subject and predicate ...

### English

1. Write down four friends' names in the name column in the table. 2. You can communicate with others in groups with the five questions on the blackboard. 3. What is her mother asking of her? 4. I'd like you to introduce one of your friends in the table to the classmates. 5. ...

### English

1. Identify which description below is untrue of a good thesis A. A thesis mentions a broad topic. B. A thesis narrows the broad topic to a single statement C. A thesis very briefly mentions the factors that contribute to the writer’s position D. A thesis belongs in the ...

### Spanish

Please check if the following conversation is correct: ¡Hola! ¿Como estas? Muy bien, ¿y tu? Fenomenal. ¿Qué hiciste el fin de semana pasado? Yo compré ropa nueva en la tienda el fin de semana pasado. ¿Qué compraste? Yo compré una nueva chaqueta y estos guantes son ...

### Pre-cal (Please Check)

1) Evaluate (if possible) the sine, cosine, and tangent of the angles without a calculator. a) 10pi/3 Sin = -sqrt 3/2 Cos = -1/2 Tan = sqrt 3 Are these correct ? I do not understand when to make them negative. b) 17pi/3 Sin = -sqrt 3/2 Cos = 1/2 Tan = - sqrt 3 Are these correct?

### trigonometry

Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the cosine law. If you ...

### Chemistry-Please check

When the kidneys secrete hydrogen ions, does the pH of the urine drop or is carbonic acid formed in the blood? Secondly, when the kidneys secrete hydrogen ions, it would raise the pH of the blood, correct? I'm really confused onthis and would appreciate some help

### Math

A business woman intends to rent a car for a 3 day business trip. The rental is $65 a day and $.15 per mile (plan 1) or $90 a day with unlimited mileage (plan 2). She is not sure how many miles she will drive but estimates that it will be between 400 and 800 miles. A) For each...

### can someone please check my accounting answers

Can someone please check my answers dealing with various contingencies. -For each item, indicate how the situation should be accounted for and reported for the current year. Select the best answer from the accounting and reporting treatments listed below (A through D): 1. The ...

### chem can u check answer please

Which is NOT a chareteristic property of acids? A: react with carbonate to yield CO2 gas B: taste sour C: neutralize bases D; turns litmus red to blue E:reacts with metal to yield H2 gas I reckon its D because isnt it the other way around ? Blue to red ...not...red to blue Any...

### Math/Algebra

Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts. Provide an example to ...

### geometry

Which type(s) of symmetry does the uppercase letter H have? my answer i believe is reflectional symmetry Which type of symmetry is shown by the lowercase letter w? my answer i believe is rotational symmetry. Could someone please check and explain.

### PLEASE

ANYONE PLEASE REPLY MY OTHER POST (SCIENCE 7R: LAB QUESTIONS) IS MY ANSWER IS CORRECT ON #13????? PLEASE!!!!!!!!!!!!!!!!!!!!! PLEASE!!!!!!!! - Laruen , Thursday, December 1, 2011 at 6:33pm Chloroplast are used for food making (photosynthesis). That is only found in a plant ...

### algebra

Suppose f(x)=Ax+B for real constants A and B. If f(60)=70 and f(72)=79, find k such that f(k)=k. PLEASE HELP :] Ok we have f(x)=Ax+B which is a line. We also know (1) f(60)=70 which means A*60+B=70 (2) f(72)=79 " " A*72+B=79 Which means A*12=9 if we subtract (1) from (2). Thus...

### Algebra

Simplify: (x^n)+(x)/(x^2)-(1) -------------------divide top by bottom (x^n+2)-(x^2)/ (x^2n)-(2x^n)+1 I can do problems similar to this if it has normal numbers but I can't do it because I am confused about the n's and the the numbers added to it. Please guide me through this ...

### Abstract Algebra

If 2^n>n^2 and n>5, then 2^n+1>(n+1)^2 Proof: Assuming that 2^n>n^2 then I can say that 2*2^2>2*n^2 = 2^n+1>2n^2 If I can show that 2n^2>(n+1)^2 then I will be done by transitivity. So 2n^2>(n+1)^2? then 2n^2>n^2+2n+1? then n^2>2n+1, hence n^2-2n-...

### Math Algebra

I am stuck on simplifying four problems, I cannot figure out which steps i need to make. Can you please help me. 6x^4 - 8 2a² + a²b + ab + 1 12m²p + 35nq³ a²b - a² - 2b -2

### Algebra

Hi I am in need of help, please... The question says to perform the indicated operation. x^2+2x-3/x^2-9 Divided By x^2-1/x^3-27 I put divided by in the middle to show that it is dividing two rational expressions.

### algebra

Please help me with this from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. would the grade of the peak be 3.3%

### Algebra

Use synthetic division to divide the polynomial 2x^3 – 12x – 5 by x + 4, and write the quotient polynomial and the remainder. [Be careful – notice that there is no x^2 term.] Please Show work.

### algebra

im practicing simplifing expressions and have been given (-9a-9)5. should i use disstributing rule if not please explain how i would have to do this problem. thnx

### 8th grade

its in Algebra 1 ! the riddle is whom should you see at the bank if you need to borrow money. its 15 letters. a teller doesnt fit. i don't know ! i need help ! PLEASE

### Algebra

H= p * at , (H = p*a^t) Please help with this equation, p, will be the value of 125 and "a" will be the growth factor of 5,so how many home will be built for H at any three value of time, t, in years that I would like to use , not sure

### Math / Algebra

I would like to know if I got my answer right. I am supposed to find the LCM of 11(t-5)and 55(t-5). I thought that the answer was 11t-55 but I am a little bit lost can you please help me. Thanks

### algebra with pizazz pg 40 riddle

what is the riddle answer??? missed lesson don't get it!!! please help in diar need!!!! question is... why do girls like guys who wear shirts with eight buttons?

### Math; Pre- Algebra

I neede help with how to solve equations with variabls on both sides. Can you give me some examples and work them out step by step?? Please!! :D

### Introductory algebra

For homework I must use the numbers 1,2,3,4,5,6,7,8,and 9 in that order with any of the 4 operations (+,-,*,/) and the problem must equal 100. I cannot figure it out and it is due tommorow!!!! Please help!!!

### algebra

the function w(x)=-0.01x^2+0.27x+9.20 can be used to estimate the number of workers in the US, x years after 1980. How many workers were there in 1995? please show work. a. 9.2 M b. 10.4M c. 11M d. 15.5M

### algebra 1

A laffer leaning against a house maes an angle of 60 degress with the ground. The foot of the leadder is 7 feet from the foundation of the house. How long is the ladder? Please help

### algebra

Find the slope of each of the three line segments in the graph below. Please show all of your work. Between which two points is the slope the smallest?

### algebra

Danna wants to get 93 average in her three tests she took two tests and the scores are 89 and 94 what should be her score in the next test?. I know the answer . However I don't know the way please help

### please help!! algebra

systems of nonlinear equations i need to help i have tried this problem but i cannot find the right answer i need to determine the real solutions for this: x^2+4xy=10 4x^2-xy=6

### college algebra, Please help!!

find a bound on the real zeros of the polynomial. f(x)=x^4+2x^3-8x-7 every real zero of f lies between -? and ? *pleasae show all work*

### algebra

Can someone please explain these problems to me I have tried and cannot figure them out. 1)Use synthetic division to find p(-3) for p(x)=x^4-2x^3-4x+4 2)Find all the zeroes of the equation x^4-6x^2-7x-6=0

### Algebra

What is the side length of a square with an area of 144x²? A.12 B.12x C.±12x D.no solution I think it is C...? If I am right can you show your work please...I am just starting to understand these..thank you

### college algebra

I'm stuck on 2 problems I know the answers but need to learn to show the work. X^4+x^3=16-8x-6x^2. Answer: -2,1,+-√8 3x^3+4x^2+6=x. (-2,1/3, i√8/3) Please help so I know how to figure these equations out.A big THANKS

### Algebra (logs)

Please help, I need help on these two problems. Solve the equation. log3(x − 16) = log3(9x) e^1 + ln(7) It appears on the homework that the ln(7) is written like this ^ln(7) but I am still stuck on it. Thanks!

### algebra

please help im lost the instructions are to solve by using thee quadriatic formula and prove your answers are correct but i don't know how can someone show mw step by step how to do this so i can do my homework x^2-3x+4=0

### Algebra 2

I can't figure out how to find the n on top of the sigma. I have the rest of the equation but I just don't know what to do. I'll use "E" for sigma. nEi=1 (10-3i)=-28 Can someone please show me how to do this problem?

### Algebra 1 please help

The Martin family's truck gets an average of 25 miles per gallon. Predict how many miles they can use driving using 7 gallons of gas.

### Algebra(please help ASAP!)

This is a little difficult... Graph the Function y=3 less than the absolute value of x+2 Obviously you cannot show me this on a graph, but I just need help with solving the equation... Thanks!!!

### Algebra 1

Make an equation to represent the area of a square whose sides are given by the expression x + y. A. A = 2x + 2y + 2xy B. A = x2 + 2xy +y2 C. A = 2(x2 + y2) D. A = x2 + y2 I got D please correct me if wrong. Thx!

### Maths algebra

I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this. please I need help I got a test tomorrow. Thank-you.

### Pre-Algebra

"Triangle LMN has L at (1,-1) and M at (2,3). Triangle L'M'N' has L' at (-1,-1) and M' is at (3,2). Describe the transformation." This question is really tripping me up. I even tried putting it on a graph to solve it, but I just can't. PLEASE HELP!!!!!

### Algebra

My teacher said I have this backwards, Here is the question: Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...} And here is my answer: A(n+1) = A(n) * -1/4 An+1 = An * r is An+1 = An * (-1/4) Please correct it

### Spanish

I had to rewrite from English to Spanish-Please check if I did them correctly- 1.She sees them. Ella los ve. 2. We see them. Nosotros los vemos. 3. I invito you. Yo te invito. 4. I invite him. Yo lo invito. 5.She see you all. Ella los ve. 6. He invites us. Él nos invita.

### prealgebra/ check answer please

John who is an amateur golfer spends 3 hours every day practicing golf. What percentage of his waking hours does John spend practicing golf if he sleeps 9 hours a day? 24-9=15 3/15= 0.2 0.2 x 100 = 20% spent practicing

### 6th grade math - Ms. Sue please check!

How many different lunch combinations can be made from two sandwich choices, three item choices, and three beverage choices if you choose one sandwich, one side, and one beverage? A. 8 B. 9 C. 18* D. 11

### Music

I have these questions on my assignment, so would you please check my answers? (Thank you) 1.Which one of the following aspects of musical variety should be considered when selecting music for children? A. harmony B. texture C. tone D. rhythm 2. Folk,country,and western are ...

### Chemistry(Please check)

For the reaction, 2 SO2(g) + O2(g) == 2 SO3(g), at 450.0 K (Kelvin) the equilibrium constant, Kc, has a value of 4.62. A system was charged to give these initial concentrations, (SO3) = 0.254 M and (O2) = 0.00855 M, and (SO2) = 0.500 M. In which direction will it go? A. to the...

### SCIENCE CHECK

Pleas check the following for me... "A drop of oil (vol 0.051cm ) is released on to the surface of a pond where it covesr an area of 40cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. Calculate the diameter of an oil molecule & ...

### Math

Please help!!!! Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. 6x - 2y = 2, 9x - 3y = 1 My answer: Equation 1 X-...

### Art

Writeacher, could you please check this sentence? Thank you. 1) He dropped me off at the post office. How would you rephrase it? He let me get (out of the car) at the post office. He made me get off the bus at the post office. within the end of the week is not the same as by/...

### English

Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (noun) carrier (noun) finally (adverb) arrived (past tense verb).

### English

Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (adjective) carrier (noun) finally (adverb) arrived (past tense verb).

### Pre-Calculus

Please check my answer: I think it's correct? 1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61 tan^-1(2/-3) = 33.79 180-33.79 = 146.31degrees polar points are (sqrt13,146.31degrees) 2. Rectangular form of (3,112degrees) 3cos112= (-1.12) 3sin112=2.78 ...

### math

Please check my answers and make sure there right. Joe had a total of 8 slices of pizza he gave jack 3 slices what is the ratio of total slices to slices eaten? A. 8 to 3****** B. 3 to 8 C. 4 to 9 D. 16 to 6 Read the question above what is the fraction of pizza eaten? Type ...

### math

how do you diverse fractions to decimals and visa versa Just take the top number and divide it by the bottom one. For example, if you have 3/10, take 3 and divide it by 10, giving you .30 and this is 30%. Oh, the the other half, if you have a decimal. .1 =tenths place .11 =...

### Math Check

I need someone to please check this for me. Thanks! :) Question: Tonto Pagalies (brother to vaporized racer Teento), an observer at Bindy Bend, is 14285’ from Desert Plain. He knows that there is a right angle between the lines of sight from Bindy Bend to Desert Plain and ...

### Calculus - Limits. Check my answer, please! :)

Suppose that h(x)={x^2-x+5 if x<2 {5 if x=2 {x^3-1 if x>2 Which of the following is equal to 7? I. lim h(x) x->2- II. lim h(x) x->2+ III. lim h(x) x->2 I only II only ***III only I and II only I, II, and III

### English

Can you please check these sentences for me. It's really urgent. 1) Our science teachers are enthusiastic about your proposal of holding our first meeting in Italy. 2)However, prior to our meeting, the head of our science department would like to discuss the theme of our ...

### Algebra

Could you please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth...

### Chemistry

Can you please someone check my answer for me? a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. Answer: b)How many atoms of iron are in 0.750 moles of the compound Iron(III)oxide? Answer:

### Poetry

Please check this. "Hope is the thing with feathers That perches in the soul, And sings the tune--without the words, And never stops at all, "And sweetest in the gale is heard; And sore must be the storm That could abash the little bird That kept so many warm. "I've heard it ...

### Algebra

Suppose that the genders of the three children of a family are soon to be revealed. An outcome is represented by a string of the sort GBB (meaning the oldest child is a girl, the second oldest is a boy, and the youngest is a boy). The 8 outcomes are listed in the table below. ...

### Algebra one, help me please?

Okay so, I have to write an equation in standard form, of a line that passes through the given point and has the given slope, ( M) or that passes through the given points. Heres what I think: 1)( 4,-1) M= 3 So, it's in y=3x+B and then, I would plug in -1 for y, and 4 for x. So...

### algebra

Note: Remember to show all of the steps that you use to solve the problem. You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. (2 points) *Step 1: Determine if it is less ...