# Algebra, help + check please

105,144 results, page 11

### Math

add or subtract. P.s this is a polynomial. (2x^2 + 6x + 1) + (-7x^2 + 2x - 3) A. -9x^2 -8x + 2 B. 5x^2 + 8x - 2*** C. 5x^2 - 8x + 2 D. 5x^2 -4x -2 i choose B. check please

### math

y-x=1 2x-y=1 changing it to y y=-x+1 y=2x-1 can someone check if I did it right? If not, please correct me.

### Math

which of the following expression is true? 2^4*2^3=2^12 3^3*3^6>3^8 4^2*4^2>4^4 5^5*5^2=5^10 i think is the c but please check for me.

### English Check please

Ravenous and cavernous italicized meaning is

### math please check

(13-2)squared + (14-12 divided by 3) (11 * 11) + -.6 121+ -.6 =120.4

### Math

Find the area of the following rectangles. 7/2 mm ×14/5 mm. I can up with 98/10 mm. Please check

### Music

In homophonic textures , how many melodies are there 1 2* 3 4 Please check my answer

### Algebra

10. Solve each radical expression. Check your solution. 1=√(-2v-3) 11. Solve each radical expression. Check your solution. √(n+5)= √(5n-11) 12. Tell which solutions, if any, are extraneous for each question. √(12-n)=n; n= -4,n=3

### Algebra

Please check my answer. Solve the system of linear equalities graphically. 3x-y<=6 x>=1 y<=3 For the answer I have: Equation in slope intercept form: Equation 1:y-intercept as ordered pair=> (0, -6) Equation 1: x-intercept as an ordered pair=> (2,0) Do I have ...

### algebra 1b

i need help!!!!!!!!!!!! Please post your problem and your attempts to solve it. Then we'll be glad to help you. what's the problem? I have a test on wednesday or thursday and I think I'm gonna pass it! I need help with Simplifying i need help with sketching the graph of the ...

### Algebra 2

would some one please check these for me 1. divide x^2-36y^2 over 5x^2+30y divide (x^2-6xy) A: x+6y over (5x)(x^2+6y) 2. Add. Express your answer in simplest form. 2x 0ver x^2+15x+54 + 4over x+6 A: 6 over x+9 3. solve: (9 over x-5) -1= 8 over x+5 A: -10 and 11 This one I am ...

### Algebra

I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C = 15*...

### algebra

Please check these too. thanks Simplify 6[86-(94-86)]= my answer is 468 2. On three consecutive passes, a football team gains 6 yards. loses 17 yards and gainbs 31 yards. Wht number represents the total net yards. The total net years is 20 yards. 3. Solve 8x-(4x+4)=2 The ...

### Pre-Algebra Checkk

1. Convert the rate using dimensional analysis. 30 miles/hour = _______ feet/second a. 0 b. 44 c. 43 d. 2 answer: b 2. Convert the rate using dimensional analysis. 16 feet/second = _____ yards/minute a. 240 b. 120 c. 10 d. 320 answer: b Can someone check my answers please?

### chemistry check

please check Write the balanced equation, with the enthalpy component, for the rusting process, given that Hf for iron and oxygen is 0 and Hf for ferric oxide is -826 kJ/mol. 4 Fe (s) + 3 O2 (g) --------> 2 Fe2O3 (s) You need to add the heat one of three ways. 4 Fe (s) + 3 ...

### algebra 1

Solve for the variable in the equation 3(-2-3x)=-9x-4. I'm having a hard time with this one. Whenever I check my work the numbers are close, but not correct.

### Basic Algebra

I have to solve the following equation and check my work. Not sure how to do this if someone oculd help me out. The problem is (17b-5)-8(2b+4)=-6

### algebra

Verify that the functions f and g are inverses of each other by showing f(g(x)) = x and g(f(x)) = x f(x) = x^3 + 5 g(x) = 3sqrtx-5 ( 3 is inside check mark on the sqrt. I am sooo totally lost on these!

### HELP Please. Geography.

I found some links for the geological history for the appalachian mountains BUT it confuses me. Can you please simplify the formation of the Appalachian mountains?? please? thanks. Basically the mountains were created due to the merging of the continents into Pangea. I know ...

### chemistry

the Ksp of Bi2s3 at room temmperature is 1.60x10-72, what is its solubility in g/100 ml? Please help me with the solution. Our teacher haven't discussed this yet so I have no idea how to solve this.. and if i ever got the answer with your solution. could you please check my ...

### MATH CHECK PLEASE

James bought 5 baseball cards at a garage sale for $0.65 each. He sold them to a collector for $2.25 each. what was his profit? A. $3.25 *** B. $8.00 C. $11.25 D. $14.50 Serena has 7/8 yd of fabric. To complete her craft project, she needs 3 times that amount. How many yards ...

### Social Studies

What bordered the Gupta Empire to the north? 1. Ganges River 2. India 3. Himalaya*** 4. Bay of Bengal The Hindu Kush are near which river? 1. Ganges 2. Nile 3. Arabian 4. Indus**** Please check my answers Ms.Sue please

### 8th Grade Algebra-Radicals:Answer Check

4. 3ã11 + 4ã11 Answer: 8ã11 7. 7ã2 - 2ã8 Answer: 1ã2 ?? 8. ã48 + ã75 Answer: 9ã3 9.(3ã10) Answer: 19 + 6ã10 10. ã27/64 (Fractions) Answer 3ã3/8 ?? 11. 10ã20 - 3ã80 Answer: 10ã5 12. ã6/49 Fractions) Answer: ã6/7 ?? 13. 3ã...

### Geography

Can someone please check my work? 1. Name the South American countries through which the Tropic of Capricorn passes. Paraguay, chile, Argentina, Brazil 2. Classify each of the following as high, mid, or low latitude. Europe: high South America: low Antarctica: high United ...

### Algebra II

Please check answers: Use the equation of the exponential function whose graph passes through the points (0,-2) and (2,-50) to find the value of y when x= -2. My answer: -2/25 Solve 64^x<32^x+2 Answer: x<10 Write the equation log(243)81=4/5 Answer: 243^4/5 = 81 Evaluate ...

### English

Please check my last post as well. I typed a reply. Moreover if I were to come up with an Original and creative essay title. What should it be. For the topic Banning Cellphones while driving. 1. Who is to blame? 2. Blame the cellphone 3. I just wanted to text a friend 4. My ...

### Math-Algebra 2

The surface area of a golf ball is 8.92 in ^2. The surface area of a softball is 53.78 in ^2. Find the ratio of the volumes of a golf ball to a softball. Surface Area = 4π r^2 and Volume = 4/3π r^3 I'm not sure if I did this problem right, but I think the answer is 0...

### English

1. He logged on to check his e-mail. 2. He logged in to check his e-mail. 3. He logged on to check his e-mails. 4. He logged in to check his e-mails. --------------------------------------- Which ones are grammatical? Can we use all of them?

### Algebra

Please state the DOMAIN of the following, and explain how you obtained that answer please. g(x)=5^x

### Algebra (please help!)

Factor. 0.25x^2 + 0.3x + 0.09 I am having some trouble with this one. Please help if you can. Thank you! :-)

### Algebra, PLEASE help!

Factor. 0.25x^2 + 0.3x + 0.09 I am having some trouble with this one. Please help if you can. Thank you! :-)

### algebra

please please explain solve using the addition and multiplication principles 5 + 2x <21

### algebra, help please

(3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

### math-algebra please help!

Please me find the points to graph for the follow equations. x+3y<9, 3x+y<9, x>0, Y>0

### Algebra

Please help How do I solve the quadratic equation 3x^2 + 5x + 2 =0 Please explain the steps-I really don't get this

### PLEASE HELP/ALGEBRA 1

PLEASE HELP THANK YOU. I need to evaluate this equation with the following inputs. F(x) = 5x -12 Input: 3 and 2

### college algebra, Please help!!

find the f and g, so that fOg= H H(x)=sqrt x^2+17 please show work

### aLGEBRA 2 help please would appreciate

x+x/4=25/6 find x please show all the step thank you

### algebra

solve using elimination please show how to come up with answer. 6x - 3y = 18 6x + 3y = -12 Please help!!!

### algebra

Multiply. (x+4)(x-2) = x^2+2x-8 Is the answer correct, if not can you please point out what I did wrong? Please and Thank you

### algebra- please HELP

What is the invers of: y=2log(x+1) and please explain this to me..not just an answer.

### Pre-Algebra

Please help! (a^2)63 (-2x)^3 (p^2q)^3 -5c(2cd)^3 4y(y62z)63 (12a^5)^2b^3 6a(-ab)^7 (-2d^2)^6(-3)^3 please and thanc u!

### algebra II

please, somebody help me Divide. x^2+7x-37/x+9. Please help me. I need all the help I can get. Thank you so much.

### MATH- Algebra 2

[1/3,1/2] Can you please please graph this in interval notation!! Thank you so much!

### Algebra-PLEASE Help

I have 3 questions posted will someone please look at them...thanks

### algebra help please

add and simplify 1. a^2/2 + 3a^2/8 2. 4c/15 + 8c/25 i need help can someone explain please

### Algebra 2

Please help!!!! Please help me with this Graph the compound inquality on the number line. x<3 or x>6=

### Algebra, help please!!!

Solve for x in each of the following: a: 2/3x = 11/6 b: 3/4 / x = 1/3 c: 5/6 - 2/3x = 3/4 d: 2x/3 + 1/4 = x/6 - 1/2 Please help me and explain, I don't get fractions at all!

### Algebra: PLEASE HELP ME! :(

for the function y = f(x) what is the ordered pair for the point on the graph when x= b-2? (b - 2, f(b - 2)) (x, f(b)) (x, b-2) (b - 2, f(b))*** Please help!!! :/

### English

Could you please check these few things? Thank you, Writeacher. Here is the password connected to the students' class email address. If you want you can check the names of the students who have sent email so far. Could you please ask them all to send a short message so that ...

### Algebra: CHECK

1. Find the slope of the line containing the points (-6, 4) and (-1, 6). a. 1/3 b. -5/4 c. 2/5 d. 3 Answer: D 2. Find the slope of the line containing the points (8, -1) and (7, -9). a. -11/ 15 b. 5 c. 13/5 d. 8 Answer: b PLEASE ANSWSER

### Algebra

Please check my answers. Thanks! Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. 5.2x^3-13x^2+22x-8=0 -My answer:{1/2,2,4} 6.x^3-8x^2-x+8=0 -My answer: {1,-1,8} Find the rational zero of the ...

### SOMEONE PLEASE ANSWER "8TH GRADE ALGEBRA" QUESTION

Please! It's almost my bedtime!

### Algebra (please help!)

If y varies directly as x and y is 3 when x is 8, what is the constant of the variation? I don't understand what they are asking and how to solve this. Please help if you can! Thank you so much! :)

### URGENT ALGEBRA

CAN ANYONE PLEASE HELP ME I HAVE NO CLUE WAT TO DO AND I AM SO CONFUSED HELP ANYONE PLEASE 4x-5y=-19 2x+17=y what is the solution of the system?

### Algebra-Please Help!!

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks

### Algebra I

What is a set notation? Please explain what it is and give examples as well please. It would help a lot. Thank you.

### college algebra, Please help!!

solve the following equation 9^x-1 = 144(6x) please show work.

### Algebra 1

Please list five numbers that have 3, 5, and 7 as prime factors. Please help answer thanks

### Check these ASAP please!!!

Please check these: 1.A 2.C 3.C 4.B 5.B ----------------------------------------------------- 1.Which part of speech is the parentheseised word? (Set) the table for me, please. A.verb B.pronoun C.noun D.adjective ---------------------------------------------- 2.Which part of ...

### English 10 Check

Someone please check! * is the answer I chose. For each of the following pairs of topics select the one that is more focused. 1.)Topic. a.)Why beaches are fun *b.)Why I love Miami Beach 2.)Topic. a.)The wonderful world of vegetables *b.)The health benefits of carrots 3.)Topic...

### English

Thank you very much for helping me. Can you please check these last two sentences, please? 1)Pamela’s father believes that a girl’s beauty should be evaluated on the basis of virtue and goodness . It should therefore not be confused with vanity or prettiness. 2) She was so...

### calc: avg value

Find the average value of the function "f(x) = x^2 sqrt(1+x^3)" on the interval [0,2]. and this is what i did.. please check for mistakes. thanks :D f(x) = x^2 sqrt(1+x^3), [0,2] f ave = (1/(b-a))*inegral of a to b for: f(x) dx f ave = (1/(2-0))*integral of 0 to 2 for: x^2 ...

### CHEMISTRY

which of the following elements would have the highest melting point?> a)K b)Mg C)Na D)al e)Ca Calcium would have the highest, follwed by aluminum, magnesium, sodium, lowest melting point-potassium. Please double check thank you i found that you are correct with the melting...

### English

If I post a few essays on here will someone please check them for me?

### Math

Can you please check to see if this is correct: -5 = x-(-17) After doing my work I got x = -22

### english

can you please check if this sentence is grammatically correct? "This is rather interesting."

### Math(Please check)

Divide 5x^4 - 3x^2 + 8x + 6 by x^2 + 8 My answer was 5x^2 - 43 with a remainder of 8x - 338. Is this correct?

### Math(Please check)

Find the real solutions by factoring. 7x^3 = 2x^2 x^2(x+7) = x(x+2) x=0 x=-7 x=-2 Is this correct?

### Math(please check)

1) Differentiate the following: a) y=(x^3+5x)^6 (x^2+1)^7 (6(x^3+5x^)^5 * 3x^2+5) + (7(x^2+1)^6 *2x) * (x^3+5x)^6 b) y=(x+1)^2 / x^2 (2(x+1)*1) * (x^2) - 2x *(x+1)^2 all over (x^2)^2 Are these correct?

### Chemistry(Please check)

What is the oxidation number of chromium in K2Cr2O7 so k=+1 (2) = 2 O=-2(7) = -14 2x + 1 +(-14) = 0 2x-12=0 x=6 so Cr is 6 Is this correct?? Thank you!!

### Math

Write the answer in simplest form: 1. 1/3-2/9=1/9; 2. 3/5-1/10=1/2; 3.1/2-1/8=3/8; 4. 2/3-1/6=1/2; 5. 7/12-1/3=1/4; 6. 4/5-2/10=3/5; 7. 7/15-2/5=1/15; 8. 3/4-3/16=9/16; 9. 5/8-1/2=1/8; 10. 1/2-1/5=3/10 please check my answers... Thanks

### Ms. Sue

Can you check my answers on basic english makeup exam please

### english

Ms sue please check and correct whst I have wriiten

### Decimals

What is 0.4536 in expanded form? Please check: 0.4 + 0.05 + 0.003 + 0.0006

### Math? Check Answers Please!!

1. x^16/x^3 x^16/3 x^48 x^19 x^13** 2. 4^4 • 4^6 4^2 4^6** 4^10 4^24 3. 4^4 • 4^44 4^176 4^48 4^40** 4^28 4. 3^4/3^4 Write the value of the expression. 3 0 1 4** 5. 3^3/3^6 1/27** 1/9 9 -27

### Math

Given the function rule f(x) = x2 - 5x + 1, what is the output of f(-3)? A. 7 B. -5 C. 25 D. 5 I think its 7, can you check please? Thanks!

### French

Please check this sentence. Elle adore voyager en avion.

### to writeacher

I think it is C,please check civics on the thread down below.

### Math 222

Please check this to see if I am doing it correctly. g^2-6g-55/ g g=0 Because you can not divide by zero

### Math

Please check my answer. 11 1/9% of what number is 600? I have 5400.54

### math

Could someone please check my answer to this question: Evaluate the expression [(x^n)(y) + (y^n)] ^-2n for x=-2, y=3 and n=-1 =[(x^-1)(y)+(y^-1)]^-2(-1) =[(x^-1)(y)+(y^-1)]^2 =[(x^-2)(y^2)+(y^-2) =y^2/x^2(y^2) =3^2/(-2)^2(3^2) =9/4(9) =9/36 =1/4

### math

This is a greater than less than equal to problem, please check if this correct. _ 8/9 = .8

### social studies

How do I check my answer on a graph question? someone please help

### English

Is Mercutio a foil to the Nurse? I think they are not, but can you please check my answer? Thanks

### LOGARITHM

Ln(2x-1)^2=7 solve for x. Please check my answer!!! =17.0577259793 Is this number too big?

### Math please check

For the function 2x-x^2 find f(4)-f(2) / (2) I got -8-0/2 so my final answer Is -4

### I need help with these please ALGEBRA

1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. -3x5 + 9x4 + 5x3 + 3 2. Evaluate : sqrt7x(sqrtx-7sqrt7) show your work. 3. Solve the equation. Check for extraneous solutions...

### bobpursley, please help me understand

I asked "Show mathematically that to produce an image that is the same size as the object in a concave mirror, the object needs to be at twice the focal length from the mirror." and you answered: "1/o + 1/o=1/f 1/2f + 1/i=1/f 1/i=1/2f i=2f M=di/do= 2f/2f= 1 check my thinking...

### Science Please help Ms. Sue!!!

Which of the following does not reduce water pollution? a) cleaning up oil and gasoline spills. b) reducing pollutants such as pesticides and fertilizers. c) increasing the use of gasoline.*** d) properly treating waste water Can you please check my answer?

### Algebra

How do you know which rule to use when it doesn't specify? All it says is find the derivative of the function. I haven't had algebra/calculus in over 20 years, I'm completely lost. Please help

### how to write a check

this is my second time writing a check, and I know how, but How do i write $1,464.00 in words on a check. Is it "one thousand four hundred sixty four dollars" Is it hundred or hundreds? Do I need to say something about the zero cents?

### 9th grade algebra/Ms Sue

No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it. Thanks Ms. Sue. We just got notice that we won...

### Algebra (Please check)

PLEASE CHECK MY ANSWERS (: I just want to make sure I am doing this correctly __________________________________ Graph the system of constraints and find the value of x and y that maximize the objective function. Constraints: x ≥ 0 y ≥ 0 y ≤ (1)/(5) x + 2 5...

### algebra

For the following please find (f o g)(x) and (g o f)(x). Also please report any shifts or changes in amplitude f(x) = cos(x), g(x) = 2x + 6

### algebra

i don't know how to do this with the fractions. can you please please help? simplify the expression and combine like terms. 2n^2+4m n^2-m _______ + ______ 3 3

### Algebra

Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x

### Algebra 1

Formulas: Please solve the equation for x. y=2/3x+8 2/3 is a fraction. PLEASE SHOW YOUR WORK I REALLY NEED HELP.

### Algebra 2 honours

can someone please tell me how to factor out (x^6+1)^4? please show me how you got the answer... Thank You... :D