Algebra, help + check please
106,764 results, page 8

Chemistry (URGENT)
I have a test soon. If you can help me with these questions, that would be great. 1. Define and describe the following. a)Alkaline  metal  base b)Corrosive  burn/eat away  acid c)Caustic  harsh  both? (acid + base) d)Low pH  06.99  acid Please check my answers and ... 
algebra
is 2i square root of 2 a solution to x=8? lets check: (2i sqrt 2)^2= 1^2 * 2^2 * i^2 *2 =8 Answer: no. 
Algebra
Factor the trinomial. t^34t^232t = t(t+4)(t8) can someone help me pleaseand check my answer. 
Algebra 1
PERFORM THE INDICATED OPERATIONS AND SIMPLIFY. x8/x9x+1/x+9+x27/x^281=x^381x^27x27/x^2 Can you check this equation for me. 
Algebra II (check)
Use synthetic division to find (2x^3  5x^2 + 7x  1). _12 5 7 1 2 3 _____________ 2 3 41 2x^2  3x + 4(answer) 
Algebra II (check)
Write the expression m^7/9 in radical form. 9sqrt m^7 (answer) 
Algebra 3 check only
(2^3)(x^0(x^2)) all over _______ (x^3)(xy^3)(y) does it equal x^2)(xy^3)(x^3) ______________ 8y 
Algebra (repost)
Can you help me on this problem as well? (or anyone.) Solve each inequality and check your solution. h  > 7 4 (bumping) 
Algebra Check
Solve the system 4x  7y = 5 14y = 8x + 10 I got y = 10/13 x = 5/52 but it doesn't seem right 
algebra
use the distributive law to factor the following and check 3+27b+6c 
pre algebra homework check
Find the product and simplify y(4y + 12) =4y^2+12y???? 
algebra hsa
5x3=2(x6) i got 3 when i solved it but when i check my work its not correct what am i doing wrong? 
Intermediate Algebra
Solve and check each radical equation. square root y+10=y2 
algebra
Solve the equation check for extraneous solution 664 x=8 x+4answers are x=1, x=5/2.or x=2, x=5/2, x=5/2or x=1 
algebra
simplify each expression 44/9x7/4+12/7x+1 I worked it out and just went to check it thank you 
Algebra
confirm this is correct bec. when I check it, it doesn't add up the same. 13  3P = 5(3+ 2P) 13  3P =  15 10P 13 = 15 7P 28/7 = 7P/7 4 = P 
Electromagnetic inductioncheck answers
Please check my answers: why does an iron core increase the magnetic iduction of a coil of wire? I am thinking it has something to do with the voltage being increased. Will a cyclist coast farther if the lamp is connected to the generator on his bicycle is turned off? I say ... 
Physics  check my work
A cannon is fired from a cliff 190 m high downward at an angle of 38o with respect to the horizontal. If the muzzle velocity is 41 m/s, what is its speed (in m/s) when it hits the ground? Please check my work. I think it’s wrong, but I don’t know where I’m messing up… ... 
Physics
I have no idea how to do this. Anyone help? A cyclist passes a race check point at +5.5m/s and then accelerates ata constant rate of +.55 m/s^2. The cyclist forgot to check in at the check point, and after 20s turns back around to head back. How far did the cylist move from ... 
algebra
i have two answers to this problem so am not sure which way I need to do in or should say the order i should do it. lease help??????? problem is 7x5+3x=6+x10 what is the order to work this out there is no brackets to this problem 7xx+3x=6+510 6x+3x=1110 8x=1  8 8 x... 
Math PLEASE HELP
Please finish these questions so I can check my answers. All my answers are at the bottom. Adding and subtracting mixed numbers. Please finish these questions. The answer must be reduced to lowest terms! 1. 3 2/5 + 6 1/5= 2. 4 2/5 + 1/10= 3. 2 3/12 + 2 3/6= 4. 5 3/9 + 2 1/3= 5... 
algebra 2
A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please check my answer 12/21 
algebra ineqUALITIES
can you check these tell if the number after the: color is a solution x < 7; 7 i say yes p > 3;3 i say yes k is greater than or equal to 5; 0 i say no 3z is less than or equal to 12;4 i say yes n  5 > 3; 6 i say no 2g + 8 is geater than or equal to 3;1 i say yes ... 
essay check please
This is the introduction of my essay , please check it !!!!!!!!!!!! It would really help “All men are born equally free”Salmon P. Chase. A very important character that shapes our society is equality, but many people don’t believe in it. Racism and discrimination are ... 
math
solve algebraically and check y=8x+3 y=4x21 8x+3=4x21 +4x +4x 12x+3=21 3 3 12x=24 x=2 y=8x+3 y=8(2)+3 y=16+3 y=13 (2,13) check y=8x+3 13=8(2)+3 13=16+3 13=13 y=4x21 13=4(2)21 13=821 so 13=13 these check, so did I do this correctly? Thanks for ... 
Simplify
Simplify the following number. ∛729 I think it is ∛9, but I do not know. Please help, and check my answer. I will appreciate it if you guys can answer this as soon as possible. It is part of a RATIONAL EXPONENTS question. The original equation was 9^(1/3)∙&#... 
math***CHECK ANSWER***
please check this one answer. 3.everyone in andy's class has to do a science project. Out of the 20 students,80% have completed their project.how many students still need to finish their projects? A.100 students B. 36 students C. 16 students D. 4 students (I PICK THIS) 
math (check answer plz)
Carol has a collection of 100 stamps the graph below shows the percentage of stamps she has from each country how many more of Carols stamps are from france than from england? France: 24%, England:22%, Norway:29%, Italy:25... 
Chemistry(Please check)
. Ksp for Fe(IO3)3 is 1014. Two solutions, one being iron(III) nitrate and the other being sodium iodate, were mixed. At the instant of mixing, [Fe3+] = 104M and [IO3] = 105M. What happens? My answer is that a precipitate forms because Qsp > Ksp. Would you agree? ... 
college algebra
Demand Equation: The price p, in dollars, and the quantity x sold of a certain product obey the demand equation x = 5p + 100, 0 (less than or equal to) p (less than or equal to) 20 a.) Express the revenue R as a funtion of x. b.) What is the revenue if 15 units are sold? c.) ... 
Algebra(please check my answers)
**Fill in the appropriate vocab words that best fit into the sentences below** ~" Word Bank "~ A) central angle B) line of symmetry C) reflection D) transformation E) vertical angles F) transversal G) point H) circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GIVEN SENTENCES W/ ... 
MATh (check my answer please)
A salesperson makes a flat fee of $20 per day plus $8per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F. 20h + 8 = 80 G. 8h + 20 < 60 H. 8h + 20 = 60 J. 8h + 20 > ... 
algebra
Megan factored the expression 12x^2+13x14 as (3x+2)(4x7). But when Jacob applied the foil principle and multiplied out(3x+2)(4x7), he got 12x^213x14; thus, Megan's solution does not appear to check. Why is that? Please help Megan to understand this better. Explain your ... 
Math
Check answer PLEASE!! Kevin wants to calculate the value of the expression below. 17 + 3 Which shows an equivalent way kevin could write this expression? (A.) (17 + 3) B. (17  3) C. (3 + 17) D. (3  17) Please help as soon as possible!! I have no one to help me and i don... 
8th Grade Algebra: Answer Check
Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75 Answer: 10{3 6. 3{72 ... 
chem can u check answer please
the solubility of silver sulfate in water is 0.223%(w/v) at 35 degrees celsius.calculate the solubility product of this salt at this temp. I got 1.46 X 10^6 M is this right please thanks Andy 
Math
1. Which equation below matches the relationship shown in the table? Table X: 0, 1, 2 Y: 0.5,3.5, 6.5 A. y=2x+0.5 B. y=2x+2 C. y=3x D. y=3x+0.5 Please help, thank you. BTW I would share my answer for anyone to check but I am not sure how to do this so please give the process... 
Paul Martin
Who knows what website I can go to for some baby pictures of Paul Martin? It is for my social studies project. Thankz:P I did an internet check and found only pictures of the Prime Minister as an adult. I suggest you try finding a biography in your library. There is also a ... 
prealgebra
USE THE DISTRIBUTIVE PROPERTY TO SIMPLIFY. 3(X+3) Wouldn't it be 3x + 9? Check my thinking. 
College Algebra
Can someone check my work for me again! I really appreicate it, I'm not the best at this. (1/3)x+(3/4)x = 13 (4/12)+(9/12)x = 13 (13/12)x = 13 x = 13/(13/12)= 12 
algebra 1b
Solve each system using substitution. check your solution. a = 2/3b 3 a = 2b  18 c = 3d 27 4d + 10c = 120 
Algebra II (check)
Assume that no denominator equals 0. (8y^3+27)/(2xy10y+3x15) I don't know how to solve this one. 
Math 116 algebra
solve using the multiplication principle. don't forget to check 5/6x = 7/8 
algebra
is it ok if one of u experts can check some of my math homework would that be a problem thanks 
algebra
Factor completely 2x^3y12x^2y14xy 2x^2y6xy7xy could check this problem 
pre algebra
how would you solve and check the answer, back to the original problem for 3w+2+3w=4+9? 
Algebra
Find the midpoint M of the line segment joining the points C = (4,5) and D = (2,1). I got (1,3) can you check me? Thanks 
algebra
solve and check.label ant contradictions or identities. 5(t+1)+8=3(t2)+6 5t+5+8=3t6+6 5t+13=3t 2t=13 t=13/2 check59t+1)+8=3(t2)+6 5(13/2)+1+8=3(13/2)2)+6 65/2+13=39/2 13=39/2+65/2 13=26/2 13=13 want to know if this right 
algebra
need help don't exactly understand the question: Factor and check by Multiplying 6x + 10y 2 
pre algebra homework check
Find the sum or difference. 4s^211s+s^26s+21 Is it 5s^217s+21? 
Intermediate Algebra
Solve each radical equation. Check your solutions. square root 5x4=6 
algebra
Show all steps solve the equation check for extraneous solution 998 x=2x+3 
Algebra 1
I need to factor the expression t^2 + 4tv + 4v^2 I got this answer: (t + 2v)(t + 2v) Check my work? Thanks! 
Algebra 1 Answer Check (Reiny)
Factor each trinomial. 1. x^2 + 6x + 5 A: (x + 1)(x +5) 2. x^2  7x  12 A: (x  3)(x  4) Solve each system by substitution. 3. 2x  y = 1; x  y = 2 A: (3, 5) 
Algebra
My question is: b3= 4 A.) 7 B.) 1 C.)1 D.)7** I think it may be D.). I would just like someone to check my answer. 
Easy Algebra Equation
52(x+6)=14 Solve for x. I got 10.5 but the check won't come out right??? 
Algebra 2
Which of the following could be the equation of the graph shown below? Check all that apply. 
Algebra
I have answered the question but not sure how to check for extraneous solution. x/(5x+4)=3 The answer is 6/7 
algebra
For the quadratic function f(x) =  x^2 +2x + 6, find the vertex and the axis of symmetry, and graph the function. Again, I need help with this as these are practice examples for an upcoming quiz and I stink at this part of algebra and I need to get it otherwise I won't ... 
Science  Maps and Computers  Please Check
Please help me with the following: A single ocean color satellite can collect how many data points? A. 2,000 B. 2,000,000 C. 20,000 D. 2,000,000,000 I know the answer is not D, because I got it wrong. I think the answer is mostly A, but I also think it is possibly B. Is A ... 
math(check answers please)
please check my answers and thanks have a nice day. 2.which of the following ratios is equivalent to 5/20 A.1/4(I PICKED THIS) B.1/5 C.20/100 D.2/5 3.which of the following ratios is ((NOT)) equivalent to 4/8? A.1/2 B.2/4 C.20/45(I PICKED THIS) D.12/24 4.which of the following... 
please check(Social studies)
please checkk 3. Mexico is building a stronger workforce by A.holding free elections B.permitting remissions C.eliminating competition D.investing in education(I PICK D.) if you answer i really hope your correct ! 
Algebra
Find the next three terms in the sequence? 6,5,16,17 A 38,49,60*** B 37,47,57 C 36,45,54 D 36,46,57 3 What are the first four terms of the sequence represented by the expression n(n1)5? A 7,5,3,1 B 5,10,15,20 C 0,2,6,12 D 5,3,1,7*** 6.Given the function rule f(x)=x... 
Math Please check
A package of 16 tea bags costs $2.29. Find the unit price in cents per tea bag. Round to the nearest tenth of a cent. I get 14.3 cent Will you check to make sure I am correct? How do I round it to the nearest tenth? Or is it already rounded to the nearest tenth? Please help! ... 
Math
Peter received a six month post dated check for 100,000 (the check can only be cashed after six months) he offers it to a friend for 92,000 .His friend's money is presently earning 10% compounded monthly.If there is 20% withholding tax on interest ,which is better option for ... 
chemistry
hi, Can you please double check to see if i have got this right? Is the empirical formual for oxide of arsenic As2O5? Cheers ;) Arsenic forms two oxides with oxygen. One is As2O5, the other is As2O3. I'm glad you posted today; please tell your friend you were talking with ... 
Please Check This 2!
p^41=(p^2)(p^2+1) Typo? p^41=(p^21)(p^2+1) 
math check this please
1. 3t<9=t<3 2.4m>8=m>2 3.10<2w 5<w 4.20>5c 4>c 5.27>3z 9>z 6.7b>42 b>6 
Please check answers
(2)7=2^7 2^5 = 2*2 = 4 * 2= 8 * 2 = 16 * 2 = 32 
Math
Please check 15/16 x 2/3 = 5/8 
Math
Please check 2/5 + (7/8) = 6 
math
Please check 27=8x5x 27/3=3x X=9 
Math
5x  3 = 7x + 11 x=4 3w 4 = w+8 w =6 Please check. Thanks 
algebra
Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? 4/5=x/445 5x=1780 x=356 please check if completed right 
Algebra
Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = 1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, 1/4, 1/2 and 3/4 3. h(x... 
Science Please Check!
Which term describes a type of trait that is usually expressed only when an organism has two identical alleles for the trait? A homozygous B dominant C heterozygous D recessive My guess is D. Please help! 
slope algebra
given ab and its midpoint m. the coordinates of a are (10,3) and the coordinates of M are (4,1) a. find the coordinates of B. b. find the slope of am. c. find the slope that is perpendicular d. find the slope that is parallel e . write the equation of AM answers. please ... 
Algebra 1BCheck Please!
1.) Determine the equation of the axis of symmetry. y = 5x2  x + 9 Answer 1.) x=3/2 2.) Determine the equation of the axis of symmetry. y = 6x2 + 3x  4 Answer 2.) x=2/10 
Algebra
I have this math probelm z(3z)/(2z)=(6)/(z2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving me an answer of z=3 I have not gotten ... 
English
Could you please check this letter, please? Thank you. 1)I'm still looking for an accommodation in Yellowstone Park but everything is sold out from 8 to 12 August. 2)My husband booked a cabin in Old Faithful lodge last week under the name "Grande" and sent you details of his ... 
Algebra
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x  9) + (4x^2 + 2x  3) My answer: 4x^4 + 5x  12 2. (x  2)(3x + 5) My answer: 3x^2  30x  10 3. (r... 
Spanish please check
please check if I answered these questions correctlythey had to be in the past tensenot sure what number 6 is asking 1.¿Comó te sentiste ayer? Me sentí muy bien ayer. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿... 
Algebra
I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an equation for the ... 
Algebra Check Please
A farmer is tracking two wild honey bees in his field. He maps the first bee's path back to the hive on the line y=9/7x. the second bee's bee path follows the line y=3x+12. Their paths cross at the hive. At what coordinate will the farmer find the hive? I got (6/7, 6) 
Intermidia Algebra
Andrew factored the expression 12x^328x^23x as 4x (3x^27x+9). But when Melissa applied the distributive law and multiplied out 4x (3x^27x+9), she got 12x^3+28x^236x; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew to understand this... 
Math(Please Check!)
1. Which line is the flattest (or is less steep)? Why? a.y = 5x 6 b.y = 5x + 6 c.y = x  3 d.y = 1/2x + 3 I think It is C.It has the smallest slope. Someone Please Help me! ...Help me... Doesn't d have the smallest slope? 0.5x. Please...I just want to see.. Margie  You need... 
English
Why don't we go to the park together? 1. I don't feel like it. 2. I'm sorry,but I can't. 3. I'm sorry I can't. 4. Sorry I can't. 5. Sorry, but I can't. 6. I'm afraid I can't. 7. I'm afraid, but I can't. 8. Afraid I can't. 9. I'm afraid that I can't. ================== There ... 
PreAlgebra
Please help to solve to find x,y 1. y=7x3 2. 4x+2y=8 Take the value of y in the first formula and substitute it for y in the second formula. Solve the second formula for x. Once x is found, solve for y in the second formula. Check by inserting both values into the first ... 
Algebra
Please check this. f(x)= 1/(x1)^2  5 D= all real numbers, x does not equal to 5 R= all real numbers, y does not equal to 1 
Health care please check my answer
Please check my answer thank you A 15 year old female patient has experienced daily nausea for the past two months. The patient states that she feels like " I've eaten something that has upset my stomach" The patient has noticed a weight gain of 10 lb with in this two month ... 
8th Grade Algebra
Simplify each rational expression. 1. (x^2+1)/(x+1) 2. (y^2+4)/(y+2) Check Answers: 3.(2t^2+6t+4)/(4t^212t16) Answer: (t+2)/2(t2) 
pre algebra
solve and check the following equation:I have no idea as to how to answer this. 69g60=5g2g 
algebra
Could someone check this problem for me? 7a^6/10v^4 multiplied by 100v^7/49a answer 10a^5v^3/7 
algebra
Solve and check all proposed solutions. Show work for solving and for checking. x+1/x1  2/x^2x=0 
algebra
look first for the common factor check by multiplying if polynomial is a prime state this. y^2y+0 
Algebra 2
Divide and check. Write your answer using non negative exponents 40x^2y^2/5x^4y^2. Thank you. 
algebra 2
Divide and check. Write your answer using none negative exponents. 40x^2y^2/5x^4y^2. Thank you. 
Intermediate Algebra
Factor by grouping, if possible, and check 5x3 + 4x2 − 10x – 8 
algebra
Which quadrants does the line representing the equation y = 8x pass through? Check all that apply. 
algebra 2
If Q varies inversely as the square root of R and Q=2 when R=4, what is Q when R is 25? does Q=625 im not sure can someone double check it for me.