Algebra, help + check please
106,899 results, page 17

algebra
6^213x28 3613x28 13x=3628 x=8/13 could you check this problem it had to be done and turn in tonight. 
Math Please check
The electricity meter on Donna's house read 71,236.4 kwh at the beginning of March and 73,196.2 kwh at the end of March. She pays 7.4 per kwh. What is the amount of her electricity bill for March? Round to the nearest cent. I came up with $145.03 Would you please check to make... 
algebra
Please explain:Simplify by removing factors of 1 explain process and exponents steps please. 
Algebra
please help me on how to complete the table and evaluate f(x) x=0, x=1, x=2, x=3, x=4 f(x)7/x1 my answers were 7 for x=0 7/0 for x=1 7 for x=2 7/2 when divided 3.5 ?? for x=3 7/3 when divided 2.3 ?? for x=4 I am not sure if this is correct.. please HELP ME..! 
Algebra 2
Please, PLease help me with this problem D={zz74} e={zz<=7} 
English
Could you please check these two statements, please? 1) At midday I went to my motherinlaw's (house) and I had lunch there. We had seven different kinds of starters. 2) The ones I liked most were breaded artichokes and watercress with cherry tomatoes and quail eggs. The one ... 
Math (Algebra/PreAlgebra)
Ms. Caswell deposits $450 into an account earning 8% interest per year. How much simple interest is earned after 4 years? Please explain.. I'm supposed to show work =] thank you! 
Algebra
Solve. Please show the algebraic inequality you used and show all of your work. Stephanie has the following scores on her algebra tests: 85, 92, and 71. What score must she earn on her fourth test in order to have an average of 80 or above? 
Science 8A Check Answers
Will someone please check my answers as I need lots of help in science. 1. Which of the following is an example of matter? A. leaves B. shadow C. light from the sun* D. sound 2. Which of the following is an example of a chemical property of matter? A. ability to melt B. ... 
English
1) If you listen to a normal conversation in English you will realise that large sections fall into (??) perfect iambs. An iamb is the most common stress pattern in English and consists of (is made up of??) an unstressed syllable followed by a stressed one. 2)Do you know where... 
Algebra
1.How do you factor (5t^2+50t+5) ? I keep getting (5)(t1)(t+1), but when I check it by foiling and multiplying, it doesn't equal the original trinomial. 2. Can I multiply (3x2x+8) by (1) to get rid of the negative coefficient? If I don't, it will be differently factored... 
Algebra IIPlease help!!
Please helpI'm really mixed up How do I find the permutations of the first 12 letters taken 3 at a time? I have a ton of these to do and really don't understand them at all 
Algebra please help out
If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? Please help answer and give an example. Thanks 
Algebra 2 help please.
What is the length of the radius of a circle with a central angle of 255° that intercepts an arc with length 52 m? Use π=3.14 in your calculation. how would i solve this? please help! 
algebra
solve the following systwm graphically. Be sure to check your solution. if the system has an infinite number of solutions, use setbuilder notation to write no solution, state this. 4y=x+8, x=2/3y+2 
9th grade algebra (factoring)
Can you check the following problems? Factor the following. 1. x^2 + 9x + 18 = (x + 6)(x + 3) 8. 3x^3  24x^2  60x = 3x(x^2  8x  20) = 3x(x10)(x + 2) 9. 5x^4  5x^3  30x^2 = 5x^2(x^2  x  6) = 5x^2(x  3)(x + 2) 10. 6x^2  x  2 = (x  4/6)(x + 3/6) = (x 2/3) (x +1/2... 
Chemistry
1. net ionic equation for the reaction between silver nitrate and the arsenate ion I got: 3Ag (+) + AsO4 > Ag3AsO4 2. net ionic equation for the precipitation of copper hexacyanoferrate (II). I got: 2Cu (2+) + [Fe(CN)6] > Cu2 [Fe(CN6)] Can someone please check and ... 
English
Can you please check these last sentences,please? 1) How do you pronounce the word UNO (United Nations Organization)? 2) Unfortunately we couldn't find any vacancy for a cabin for the required period. 3) Where did he get inspiration for his book? 4) Who did he get inspiration ... 
Quick French
Les amies sont au salon. Elles ont une télé. Elles vont regarder un film. Vous etes au café. Vous avez 20 euros. Vous allez aller dans les magasins. Please check these 2. If there is anything wrong with them, please tell me so I can correct. Merci 
English
PLease check my answer thanks :) One purpose of a summary is to include your own opinion on the topic or to save the reader time I picked#1 
Law and Ethics in Med
PLease check my answer thanks :) Roe V Wade is based on what the fetus's right to be born after the dirst trimester 
Law and Ethics
please check my answer thanks :) If a child is at risk for abuse or neglect the state will use Res ipsa loquitor. I said yes 
biology
Can someone please check this defintion. What else can I put? Mutation=change to the base pair sequence of the genetic material of an organism What is 'Heredity'? 
physics: relativity
I think I can rearrange the Lorentz contraction equation, solving for v using: v=sqrt[1(L/Lo)^2] x c^2 Would someone check my thinking please? Thanks 
math
I need to check my answer... please help... the prime factorization in powers of primes of the number: 16380. 5460 to the power of three is this correct 
mathPLEASE CHECK
using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7 
chem can u check answer please
what is the hydrogen ion concentration of an aqueous solution with a pOH of 9.262? I got 5.47X 10 ^10 is this correct? Thanks Andy 
English
Can you check this sentence, please? 1) The subtitle to the novel is emblematic of Frankenstein's being an overreacher. He has to keep his face covered because of his horrible scars. 
MATH(please check only)
Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that I think the answer is 0.65n = c 
Physics
Hi, Which correctly expresses the relationship between wavelength (L), speed (V) and perios (T) of a sinusodial wavform ? a) L = T/V b) L= 2fxV/ T c) L= 1 / V x T D) L= V/T e) L = V x T f) L= V x T/ 2f I feel it is option (d) ..please check for me .. and thanx 
Art
Thank you, Writeacher. Could you please check if everything is possible? 1) What does Pamela recount to her mum in letter XV? What does Mr B accuse her of and how does she apologize herself to him (or justify her behaviour)? 
Math
Please check my answers, which are at the bottom of each question...:) remove brackets a) 4(a+3) d) 5(2+d) 4a+12 10+5d b) 3(2b+2) e) a(3a6) 6b+2 4a6a c) 7(3c1) f) 2(x+y) 21c7 2x+2y simplify the following: a) a+a+a+a d) a2 xa3 4a a5 b) a x a x a e) 3y+6z+2y4z a3 5y+10z OR ... 
math (check please)
find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?) 
Science (Please check!)
this device is a burner from an electric stove. it is used to transfer heat to a pot by a. conduction b. convection c. radiation I think c. 
Math! Please check!
Okay, this is the link but without the spacing:::: h t t p : / / t a k e e x a m . n e x t . e c o l l e g e . c o m / e c / c o u r s e s /4 6 1 2 2 / C R S  M T H 2 0 3 A 3 9 5 0 2 5 8 / G M T _ Q 1 1 _ 2 . b m p What is point P in triangle XYZ called? A centroid B ... 
Science
which of the following helps ensure a groups access to resources it needs for survival? My answer is D. Territorial Behavior. Please check if this is right?.. 
Spanish
Countries of the Caribbean Basin generally share the same ______. A) traditions B) geography C) climate*** D) culture Please check my answer, thanks. 
math check
Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)? Answer 1 1/2 x $2.00 = $... 
Algebra
PLease ,Please ,Please help me solve this problems #1 Since x = 3y4, 3(3y4)+4y = 3 now just solve for y and then x #2 Since x = 4+4y, (4+4y) = 4y=4 or something Again, solve for y, then x 
algebra
can anyone tell me about polynomials please You need to be more specific in your question. Polynomials is just about half of a beginning algebra course. 
Health (Ms. Sue Check Please)
1.Kori's doctor says her muscular strength and endurance are excellent, but he worries about Kori's cardiovascular health. Kori enjoys weightlifting, softball, basketball, and bowling. Increasing the frequency of which activity will best improve Kori's cardiovascular endurance... 
Physics, still don't get it!
I'm sorry bobpursley I don't understand your response, please clarify. When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency... 
chemistry/please double check
Hi, I just need to know if I finally got this exercise right. Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 Celsius are converted to 50 grams of ice at 125 Celsius. so, qw= 50*4.184J/g C (125 Co)= 26.15 x 10^3 qi= 50*2.09*(125)=13.065 KJ... 
check my answers? language arts
1. The fire's angder could no be contained. A). personification *** B.) simile C.) metaphor 2. The flames ran along the deliberate rows of vines, like long curved fingers reaching for the horizon, lighting the night sky. A). personification B). simile C). metaphor *** 3. ''We ... 
AlgebraPartial Fractions
Can you please help me with the following questions please, I don't understand them. I know the general rule about them. Write the partial fraction decomposition of the rational expression. (x^2+4x1)/(x^2+3)^2 (4x^3+4x^2)/(x^2+5)^2 
algebra 2
i need answers to the pennfoster book matrices and determinants exam number :00703500. please make sure all the answers are correct. please and THANK YOU (: 
college algebra, Please help!!
use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=4x^3+3x^28x+7;[5,2] please show all work 
Alg 1 Further explanation PLEASE
Suppose f(x)=P(x). Determine the range of f (1,3), (4,1), (3,3), (2,4), (2,4), (3,5), (1,6) Algebra 1  Damon today at 10:12am Nothing can be negative. No y can be different from x Can you explain further please 
algebra
Please let me know if this is correct: rewrite each equation as a function of x. 3x+4y=11 I got 4y=3x+11 y=3/4x+11/4 f(x)=3/4x+11/4 Please tell me if this correct. Thanks 
algebra
(2x)/(2x+6)+ x/(x^29) Can some one please help solve this one because I stuck? I don't know how to sole this, so please somebody help!! 
algebra
can someone help me find the difference of 3/2x1  5/2x1 please show step by step process please 
algebra 1 help please ASAP
Divide and simplify. 1. 2y^2  7y + 3/2y^2 + 3y  2 divided by 6y^2  5y + 1/3y^2 + 5y 2 2. x^2 + 13x + 12/x + 2 divided by (x + 1) Please explain! Thanks! 
English
Can you please check these sentences for me, please? Thank you. 1) Why was the 18th century England called Augustan? 2) What were the Augustan (not Augustan) interested in? 3) Who were the first political parties and who did they descend from? Who were they supported by? 4) ... 
check my answer please
A ball of mass 2kg travelling in a straight line at 4ms^1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds? vf=vi+at but a=force/mass a = 3÷2= 1.5 vf=4+1.5×5= vf=4+7.5 vf=11.5m/s^1 Is this correct? ... 
Algebra 2
Hello can you please help me to generate a number line to use in Algebra. Can you attach one for me and where can I find one on line that is printable. Thank You. 
Math  Please Check My Answers
Please help me with the following two problems: Find the greatest possible error for each measurement. 512 m A. 0.5 m C. 0.5 cm B. 5 m D. .005 cm I think the answer is A. Is this correct? Find the greatest possible error for the given measurement if it is to the nearest 10 ... 
Chemistry: check answers
Please check. Thank you. 2. What is the reduction halfreaction for the following unbalanced redox equation? Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 > Cr2O72– B.) Cr2O72– > Cr2O3 C.) NH4+ > N2 D.) N2 > NH4+ 3. Which oxidationreduction reactions are best ... 
Math/Algebra HELP
Can you please check these answers: 1. If the first Now= 9, which equation represents this sequence? 9, 4, 1, 6, 11 A. Next= Now 5 B. Next= Now + 5 C. Next= 5* Now 1 D. Next= 5* Now + 1 Answer: A 2. Which inequality statement is true? A. 8 < (a square root sign with 78... 
8th Grade Algebra Answer Check
Solve each system of equations, give the solution and state whether there are no solutions or many solutions. 1 )3x + 8y = 1 7x + 4y = 17 Answer: (3,1) 2) 3x + 5y = 7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r  15s = 16 Answer: (1,2) 4) 2x  7y = 42 4x  14y = 64 ... 
Math
Due to the plate tectonics, the summit of Mount Everest moves about 4.5 X 10 ^3 meter northeastwar in one year. About how many meters does the summit of Mount Everest move in 11 years? 4.09 x 10 ^3 4.95 x 10 ^3 4.09 x 10 ^2 4.95 x 10 ^2 Can you please check this? I got D... 
Marketing Management
What ae subway limited target group? Are you asking what the Subway sandwich company targets as its prime customers? Please clarify your question and we'll try to help you. Actually i am totally lost at what i am really looking for. This was suppose to be another person ... 
English
Could you please check these statements, please? Thank you very much. 1) When the monster comes to life, Victor is horrified by the monster's physical appearance. 2)His pearly white teeth and shiny black hair contrast with his dull, yellow eyes, shrivelled complexion and ... 
math
Please check my answers! Simplify the product. 7x(x+4) A. 7x^2+4 B. 7x^2+28x <<<< C. 8x+4 D. 8x+11 Simplify the product. 4x (2x^3  7x^2 + x) A. 8x^428^3+4x^2 <<<<< B. 16x^47x^2+4x C. 8x^47x^2+x D. 16x^43x^3+4x^2 I just started learning about ... 
Algebraplease check my answers
Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x  9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x  6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms. 2^8x = 4.5 i got {ln 4.5... 
Algebra II
Solve x^4  12x  5 = 0 given that 1 + 2i is a root. I’ve used synthetic division to get the answers x = 1 +/ 2i , 1 +/ sqrt 2 I’ve having trouble checking the answers though because of that imaginary number. How can I check these kind of problems? 
College Algebra 1
Factor completely. Remember to look first for a common factor and check by multiplying. if polynomial is prime, state this. 36a^296ab54b^2 I couldn't find the right answer. 
Algebra (answer check)
Where is the vertex of the graph of y equals negative x squared plus 2 x plus 5 located? (1,5) < it's not this one (1,6) (1,3) < (1,2) Which values best approximate the solutions of 4x^2+7x+5=0? 0.9 and 2.3 0.9 and 5 0.5 and 2.3 < 0.5 and 5 What is the ... 
Algebra PLEASE help!
(x+3/4)^2 = 17/16 My teacher taught us a square root method, but I am confused with it on this one! I would prefer if you show me using square roots, but if you have another way, please help too! Thank you! 
Algebra
I posted this last night but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: x6>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater than 7. Please help!! Thanks :) 
Mathcheck my answers!!!
Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x5x^24x+52 A.8x^29x+3 B.2x^2+x+3 C.2x^29x+3*** D.2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4xy C.11x6y*** D.5x+2y 3.(5x^24x1)(4x^24) A... 
math(check answers please)
please check my MATH. .Mr.jensen bought 2 2/3 gallons of gasoline yesterday.today he bought 3 1/2 more gallons.how many total gallons of gasoline has he bought? A.5 3/5 b.5 3/6 c.6 1/6 d.5 1/6(i picked this) Mrs.peters bought 7 1/2 yards of fabric.She needs another 4 7/8 yards... 
Algebra  can you PLEASE double check my work?
Part A: Use the properties of exponents to explain why is called the fifth root of 18. 1. What property refers to roots and fractional powers? My Answer: Rule of exponents 2. How does it apply to 18^1/5? If you multiply 18^1/5 by itself 5 times, you get 18. Part B: The length ... 
algebra
Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = 7x  28 I know the answer is x = 4 and I know that substitution is the technique that is used, but I can't figure out how to set this up 
Algebra 1 Check
This is the last question on my homework and I wanted to know if I got it right. Thanks! Which of the following inequalities is true for all real numbers of x? a.) x^2≤x^3 b.) 2x^3≤4x^2 c.) 4x^2≤(4x)^2 d.) 4(x3)^2≥4x^23 My answer: C. 
Math ; please please help.
1. Explain in detail how to determine the value of the independent variable in a quadratic relation if the value of the dependent variable is known. Please check my answer  You would substitute the value for the dependent variable, then you would solve for the independent ... 
Math
Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3  (This is my answer.) D. √6 I am not sure on my answer, ... 
algebra
Janelle has $ 20 and is saving $ 6 per week. April has $ 150 and spending $ 4 per week , when will they both have the same amount of money ? i know by trial and error i will get 13 weeks, but how do i solve it by algebra ? please 
7th grade science Ms. Sue please check
Hi! Can you check my answers please and I need help on 4 and 5 I cannot find the answers!!!! Please help! 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein; 40 Sugar; 75 Water; 50 3. Which of ... 
algebra
im not to good at algebra so here goes im supposed to multiply 5.(3.2) i know im supposed to multiply both sides by 5 but be on that im not sure what to do help please? 
language arts(CHECK ANSWERS)
please check these answers there really quick. 11.the zoo has recently acquired pandas,giraffes and lions. were does a comma belong? A. After and B. After zoo C. After giraffes(I PICK THIS) D. After acquired 12.Hector would you please relax? where does a comma belong? A. After... 
MATH!
If the edge of a cube is increased by 50%, then the volume is increased by x%. Find x. PLEASE HELP. THANK YOU. Let Y = edge of a cube. Y + 0.5Y = 1.5Y = new edge of the cube. Then old volume is Y^3 New volume is (1.5Y)^3 = 2.375Y^3. %increase = ([3.375Y^3  Y^3]/Y^3) x 100 = x... 
English
Please check my answer THe cat licked it's paws while the dog watched. Does this sentence show the apostrophe used crrectly ? I said yes 
English
Please check my answer thanks :) In research , you must document the source of all specific information unless it's common knowledge. I said True 
sensory abilites of the dog
Please check my answer thanks Because dogs are pac animals, they prefer to eat A. Alone B. In the evening C. at dawn D. with others I said D 
Health/ Basic Clinical Procedures
please check my answer thanks what is the normal range of a pulse rate of an adult A 60 80 B 60110 C 75120 D 80140 I picked B 
Health/Specialty Exams and Advance Techniques
please check my answer thanks What can be done while performing a cystoscopy of the bladder ? A. biopsy B. U/A C pyelogram D. catheterization I think it is A 
spanish
please check: "Te gusta cantar?" "Claro que si! Soy miembro del _____ de la escuela." a. equipo b. anuario c. orquesta d. coro D? 
Math
Please double check me. Terry went on a 60 mile canoe trip. on first day, he traveled 21 miles. what percent of the total distance was that? 35% 
Math
Please double check me. Brett saved $670 at the bank. he want to save $3800 for a trip to disneyland. what percent of his goal has been reached? 17.6% 
Math check answer please
Amy paid $60.12 for a pair of running shoes that were 15% off. What was the regular price. I am coming up with 69.14 (round to nearest cent) 
Math(Please check)
Translate the following sentence into a mathematical equation: "The area, A, of a circle is the product of the number pi and the square of the radius, r." A=pi X r^2 Is this correct? 
math(Please check)
Find the real solutions of the equation: 14x^2  5x^2  1 = 0 I know that you have to use au^2 + bu +c = 0 so u^2  5x 1 which is prime. So would the answer be that the solution is the empty set? 
Comprehensive English
Writeacher please check my last post, you never replied.. it kind of left me wondering.. you said you would give me some ideas. 
grammar
Can you check these sentences, please? "I've always loved animals and felt I could communicate with them. To become a veterinarian, I must carefully choose the right school." 
English
Hello. Will you please check the sentence for me? "The two sides have conducted negotiations and reached a compromise." Is it grammatically correct? Thank you very much for help. 
chemistry
Which of the following reactions have a positive ΔSrxn? Check all that apply. A(g) +B(g) > 3C(g) A(g)+ B(g)> C(g) 2A (g) +2B (g)> 3C(g) A(s)+B(s)> C(g) I picked the first one and it marked me wrong. Please help(: 
Art
Can you please check these two sentences, Writeacher? Thank you. 1) Each answer must be developed in no more than ten lines. 2) Only a monolingual dictionary is allowed. 
Teacher AidePennfoster
Im almost done finishing this course online and I need to check my answers for Exam number 02604500 Helping Abused Children please. 
math
will someone check to see if I have this question correct please. divide and simiplify to lowest terms. __2x^28_ divided by __x4__ 5x8 5x8 
Polynomials check my answer please
I need help bad i been doing this homework since i got home at 4:00 and am stuck on this problem. X 1 : X2 =sum (x+1)+(x2)=(x+x+12) diff (x+1)(x2)=(xx12) Product (x1)(x2)=(x^21)