Algebra, help + check please

103,406 results, page 57

Calculus Help and Check

1)Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative. Remember to use ln |u| where appropriate.) f(x) = (1/5)−(3/x) -----> (x/5)-3lnx+C 2)Find f. f ''(x) = 4 + 6x + 36x^2, f(0...

algebra

Help with these please?! Simplify the complex expression: -3 --- 5 - + y x and 2 -- + 2 x+4 ---------- 3 -- + 1 x+4 I cannot decipher what you meant to type. Try using parentheses instead of changing to a new line for fractions. -3/[(5/x)+y] (2/x+4)+2 over [3/(x+4)]+1

Algebra

I need help solving the trinomial (x squared minus four x plus seventeen equals twentynine). It has to be in 3 different methods and I have to show work but I don't know how to do it. Please help.

algebra

solve the formula for the indicated variable. B=yw+y for w the solution is w= ? I have solved similar problems such as this but extra letter throws me off... can someone please help me?

algebra 2

how do you graph a polynomial function such as f(x)= 1/10(x=3)(x-1)(x-4)? I know that I need to fing the x intercepts, End Behaviors, and, the turning points but i cannot figure out how to even get thosee. Please help.

math/pre-algebra

how do u change 0.015 from standard form to scientific notation [ please don't charge me money im only 11 yrs old trynna get help with my homework ]

Algebra 1

solve using the addition and multiplication principle 2-2y-5y<65. I am totally stressed and burned out. I'm sorry. I just can't seem to function anymore. Please help. Thank you so much.

Algebra 1

Graph the system of inequality x+2y <10,2x+y <10,x>0,y>0. Thank you Can you just tell give me the answer and where in the region I should shade it and If it has a solid line or dotted one? Please, I think I will be ok with that. Thank you.

college algebra

6y-7x=12, 7x-6y=-12 solve by graphing method. classify as consistent/inconsistent and dependent/independent. i have been working on this problem and i can't figure it out. please help!

algebra

Perform the indicated operation and, if possible, simplify. Please show all of your work. Write your final answer exactly as a fraction in lowest terms. 14/45 / 26/27

college algebra--need help please!!

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=x^5-x^4+9x^3-5x^2-16x+5;[1.3,1.6] f(x)1.3= ? simplify answer f(x)1.6= ? "

algebra 2

find all the zeroes of: x^5-3x^4-24x^3-72x^2-25x+75=0 5x^5-20x^4-40x^3-16x^2-45x+180=0 -3x^5+3x^4+9x^3-7x^2+12x=12 x^3-x^2-13x-13=0 x^3+x^2=15x-15 Thank you for any help...I'm desperate please help :(

Algebra 2

Find the coefficient of the indicated term in the expansion of the given power of a binomial. Identify the missing exponents. (x^7y^2);(x+y)^? Please show work I need to learn how to do it.

College Algebra and Trigonometry

if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.

Algebra 1

When dividing two numbers written in exponential notation, what do you do with the exponents of 10? add subtract multiply divide I flat out do not know, can somebody please tell me what it is and why?

algebra

what is the slope of the line that passes through the pair points (-7/2,-3)and (-5,5/2)? so far i did m=5/2-(-3) / -5-(-7/2)=11/2 / -3/2 i don't know the rest Im finished my math homework but not this question and class starts in 15 minutes please help me!!!!

Algebra

Convert 58°F to degrees Celsius. If necessary, round your answer to the nearest tenth of a degree. Here are the formulas. =C5/9−F32 =F+9/5C add 32 Please help

algebra

I am baffled! Find the equation in slope-intercept form of the line that is the perpendicular bisector of the segment between (-3,2) and (3,-8); also,please name which formulas are used. Thank you!

English

When is greatness is a bad thing. Please don't say when it is misused. I need a good answers please. Thanks in advamce. I don't understand your first sentence. Please clarify and repost. Please note that we don't do students' homework for them. Once you have come up with a ...

Check answers please? (grammar)

Can someone please check my answers to the sentences? I want to see if I properly understand this stuff before turning it in for credit :) "Identify the direct objects and indirect objects in the following sentences. Not all sentences contain indirect objects." 1. Last summer...

behavior problems(dogs)

please check my answer thanks Ideally, when working on a behavior problem, you'll show the owners ways to A. reorganize the environment so the dog has fewer chances to misbehave. B. discipline a dog correctly and not spoil him. C. teach some commands that will be useful if ...

3rd grade phonics

Can you please check these? Thanks. Vowel Pairs: freezing rain sleet beat gray streets blue play Kay raisin feel easy Vowel Digraphs: looked said caught headline said school because heavy weather good sleigh said could neighbor bread instead

Geometry-Please check my answers

I have two questions: If a parallelogram is a rhombus, then the diagonals are congruent- I don't think so in all cases-they can bisect each other and are perpendicular, correct but not necessarily congruent so this should be false? Secondly, A kite is a quadrilateral that has ...

Physics(Please check)

A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 404 N walk on the overhanging part of the plank before it just begins to ...

English

Match the vocabulary words with the appropriate definitions. A.allusion B.flat character C.rhyme scheme D.stock character E.round character unchanging character-B reference to other works or events-A complex or main character-E a recognizable but undeveloped character that ...

Urgent Math please check

Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be ...

Social Studies(my Thesis Check this please)

Child Labor refers to the employment of children at regular and sustained labor. Have your ever wondered what it actually means other than making kids work. It mean to make children work at regular and unstained labor.

French

Please check these sentences for grammar. 1. Adorez-vous faire les magasins? 2. Est-ce que tu préféres lire à la bibliotheque ou écouter de la musique? 3. Est-ce tu ne préféres pas la pomme avec le petit dejeuner? 4. Est-ce tu n'aime pas les pommes?

Math

The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters. What is the height of the loading dock DE? A. 12m B. 8m C. 9m D. 15m My answer is 9 is ...

math

The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters. What is the height of the loading dock DE? A. 12m B. 8m C. 9m D. 15m My best answer is C @...

Health care

Please check my answer thanks :) Medicare and Medicaid financial issues put constraints on .... 1., physician services 2. critical care centers 3. public hospitals 4. outpatient services now here is the problem I think it is all of them but I can only pick one answer so I ...

Health insurance

Please check my answer thanks :) Ifan enrollee uses more services than originally assumed per the PPPM calculation, the the plan would 1. show a pfofit for that period 2. show a loss of that period 3. need a contract renegotiation 4. require that the enrollee be dropped from ...

STATISTICS

A statistics practitioner formulated the following hypothesis: H0 : ¦Ì = 200 against H1 : ¦Ì < 200 and learned that x = 190 n = 9 and ¦Ò = 50. The p-value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information given My ...

chemistry(please check my work)

If 0.836 g of solid Al reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume of 1160 mL, what mass (g) of gaseous H2 is produced? 6 HClO4(aq) + 2 Al(s) → 3 H2(g) + 2 Al(ClO4)3(aq) 0.836g/molecular weight Al=mole of Al ...

Spanish-8th Grade-Please check

I have a question about the owrd cubiertos in Spanish. Does ths word include la servillete el cuchillo el vaso la cuchara el tendor OR is it just like the plate and spoon, fork, knife and NOT the vaso or servillete(napkin)? The word and transaltion is confusing me Thank you

Math(just check it please easy)

A salesperson makes a flat fee of $20 per day plus $8 per 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 = 60 G: 8h + 20 < 60 H: 8h + 20 = 60 J: 8h + 20 > ...

social studies

Please check:( these came from a word bank) wanted the united states to have a port on the gulf of mexico: Thomas Jefferson needed money to fight a war: William Clark? leaders of the Corps of Discovery: Meriwether Lewis, William Clark, Thomas Jefferson

Math

Math Problem: Find the area of a circle that has a radius of 14 feet. Round your answer to the nearest hundredth. Would someone please check the way I worked this and let me know if I did it correct or not? Thank You A=3.14 (14ft)2 A=3.14 (196) A=615.44 Im thinking I didn't ...

English

1. The taxi fare was too high. 2. The taxi fare was too expensive. (Which one is right in this case?) 3. After I went through the entry procedure, I could go anywhere in the city. (Is this sentence right? Do you have other expressions?) 4. Later I had to hand that one to an ...

Math-CHECK ANSWERS

hi please check these math answers! 13. If 4 out of 20 people like red jelly beans, what percent of the people do not like red jelly beans? A.5% B.20% C.80%(I PICK THIS) D.90% 14. Sally is photocopying a picture. The original picture was 4 inches wide and 6 inches long. The ...

Algebra

Can you please help on this Algebra problem? Keana's piggy bank contains $4.30 in nickels and dimes only. If she has 59 coins in her ban, then what is the sum of the digits in the number of nickels in Keana's bank? Write a system of equations for this situation and find its ...

math

Could someone check these questions for me? Please? My answers are under the questions... Questions~ 1. Solve: | x | = 6 |6|=6 and |-6|=6 x must be 6 or -6 2. Solve: | x + 7 | = 12 (x+7)=12 and -(x+7)=12 x+7=12 and -x-7=12 x= 5 and -19=x The the solution is x = {–19, 5} 3. ...

ALGEBRA

i AM HAVING TROUBLE GRAPHING SOLVING THE FOLLOING BY GRAPHING. cAN SOMEONE HELP PLEASE. 2X=Y=1 2X-Y=5 i do know that the lines do not intersect what do I do with the problem

Algebra

How do I work this correctly? I know the answer is 7 but I am doing something wrong.Here is what I have... x+ã(2x-5)=10 x+ã(2x-5)^2=10^2 x+2x-5=100 3x-5+5=100+5 3x=105 x=35 PLEASE HELP!

Algebra

Find the indicated term of each expression: seventh term of (x+y)^12 I just have no idea how to go about this, please help.

algebra 1

what is the area of the largest circle that will fit in a square with area 64cm squared? EXPLAIN. please help this stumped me

Algebra

Knowing the given conditions, write the equation of the circle. Center at (4,2) and the circle passes through (-1,-1). Please help!

Algebra

Can you please give an example step by step of how to solve a system of linear equations in three variables?

algebra

perform the operation and simplify the answer. sqrt 12x^3 . sqrt 3xy^2 Please show work.

algebra

please giveme step by step instructions on how to solve linear equations. -x+4y=9 and x-y=3 . I am trying to plot the coordinaces.

algebra

please give me step by step instructions on how to solve the following equations; x-y=3 and -x+4y=9 I am trying to graph the coordinates.

pre algebra

How do I solve this equation the find te slope of the line? Please show me the steps in solving this equation.

pre algebra

please show me step by step how to solve the following equation -2x+4y=9 to find the slope of the line.

Algebra

Equation: 2x/5-x/3=5 (2x/5 and x/3 is a fraction) I know that you are suppose to combine like terms, like x, but don't know what I need to do, since they are fractions. Help please.

Intermediate Algebra

what is the meaning term rational expression Please give me an example how to divide rational expressions

Algebra

Simplify the complex rational expression 3/(x+5)+ 6/(x+3) ÷ (3x+13)/(x^2+8x+15) (please show steps i already know the answer i need to know the steps)

Algebra

I need help solving an equation Solve the following equation for a. Please show all of your work. C = 1/6 (10b-7a)

Algebra: HELP

Solve for x: x + 6 = 5(2x - 2) Answers to choose from, these are all fractions. A. 8/9 B. 16/9 C. -4/9 D. -14/9 Can someone please help me with this because when I saw the fractions I completely freaked!

Algebra

I have a question I have this systems to solve 2x-y = 1 3x-3=y How do I go about solving this? Please give me some direction

Algebra II

Translate this equasion 2 units left and 4 units up: 9x^2+ 3x+ 10= 16y^2+ 154+ 3x please show me all of the steps. thank you

Algebra-Help please

Write the equation of the line parallel to the line y+2x+3 containing the point (2,6). Slope intercept form.

Algebra

What is the standard form of the equation of the line passing through the point (-1,-2) and perpendicular to the line y= - 2/3x - 1? a. 3x-2y=-1 b.3x-2y=1 c.3x+2y=1 d.3x+2y=-1 I don't understand, can anyone help me please?

algebra

please help me find error: f(1) = 1/3 -4/3(1) =1/3 - 4/3 = - 3/3 = -1 should -1 be +1 or is there no error thanks note i reduced question from posting about 10 am this morning.

algebra

please help me find error: f(1) = 1/3 -4/3(1) =1/3 - 4/3 = - 3/3 = -1 should -1 be +1 or is there no error thanks note i reduced question from posting about 10 am this morning.

college algebra

solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)

algebra

Write the slope-intercept form of the equation of the line.Please show work. Show in graph.(-3,-5)(6,1)

algebra

systems of linear equations in 3 variables 1/3x-2/3y+z=0 1/2x-3/4y+z=1/4 -2x-y+z=1 every time i do it is wrong and i cannot figure out what I'm doing wrong please help!!!

geometry

Algebra BD bisects <ABC. Solve for x and find m<ABC. m<ABD = 4x - 16, m<CBD = 2x + 6 Please teach me how to work this.

Algebra

Rational Expressions: I'll do my best to type the following correctly: x-5+ 14/x+4 divided by x+3- 2/x+4 Simplify, Step by step Please!

algebra

Write a recursive formula for the sequence formula 15,26,48,92,180,.. then find the next term. can someone please help me

algebra

simplify the rational expressions. State any excluded values. 1. 3x-6 2. x - 2 ______ ______ x^2 + 3x--10 x--2 please walk me through this

algebra 1

Simplify using long division(please show work so I understand) 1.Divide (72-8x^2+4x^3-36x)by (x-3) 2.Divide (8b^3-6) by (2b-1)

algebra

is there even a solution to this problem: x^2 − 10x + 20 = 0 I think this answer is no solution , please confirm I am right...

Algebra

Factor: 2x^2 +13x-6 Please give step by step directions. I have tried doing it, but I can't get the right numbers. Thanks!

College Algebra

2/9+-5/6= -8 -(-3/7 k) The answer I got found was 82k=-903 I then divided that by 82 and found k=-11.0121. Which was incorrect, please help me.

math/algebra

I am having a hard time with math I cant get it. Write each rational number as a terminating decimal. 19/20, 1/8, & 17/5 can you please help!!

Algebra 2

Solving Quadratic Systems 16x^2-9y^2=144 y=9-x^2 Please show work I'm having trouble solving it.

Algebra

Can you please help me solve: Fifteen less than twice some number is 115. 15 - 2x = 115 is this the correct equation? thank you

algebra

Why is your measurement of the diagonal's length different than the length you found using the Pythagorean Theorem? hel please

Math-Algebra

Can I please have help as to how to solve a system using substitution? I have a quiz coming up and I want to ace it. :) Thank you.

Algebra

of 10 test scores, six are less than or equal to 80. what is the percentile rank of a test score of 80. please tell me how you get it?

Algebra 1

A rectangular patio has a length of f(x)=4x-3 and a width of g(x)=x-4. If the patio's perimeter was 84 feet, what would the value of x be? Please explain!!

Algebra 2 (Please help Ms. Sue!)

Use synthetic division and the given factor to completely factor the polynomial. x^3-x^2-24x-36; (x-6) How do I do this?

Algebra

suppose that y is directly proportional to x and that y=10 when x=3. Find the constant of proportionality k. K= Use y=kx to find when x=6 Y= Is the answer: K=3.33 Y=9.99 Please help. I'm so confused.

algebra

How would you graph this, i keep entering it only and keep getting it wrong. x and y axis are numbered 1 to 10. please help y+5=-2/3(x-4)

science(chem) Please Please Please check by today

How many ml of 0.8M KOH should be added to 5.02g of 1,5 pentatonic acid (H2A) Mwt= 132.11 to give a pH of 4.4 when diluted to 250ml before the first eq point pKa1= 4.345 Is the answer 25.2ml? If that IS correct then I need help b/c I can't get that answer... I've got it but I ...

chemistry - check please

Have I balanced this right Al2Se3 + 6 H2O ==> 2 Al(OH)3 + 3 H2Se Let me give you a hint on these, write water as HOH, and it balances faster. Treat the OH as a group. Al2Se3 + 6 H(OH) ==> 2 Al(OH)3 + 3 H2Se Yes, it is balanced: see the six H on each side, and the six OH ...

math

can please somebody check my answer: Q. A tuning fork produces a sound that has a wavelength of 136 centimetres. What is the frequency of the tuning fork? (Take the speed of sound to be 340 metres per second.) A. f= velocity/wavelength f= 340/1.36 f=250Hz

Scienece 7R HW Check! (just 1 qs.)

Why is mitosis an important life process? My Answer: The reason why mitosis is an important to life process is because it reproduce. Am I correct???? Yes or no If no then please explain why. BTW: I didn't guess that answer ot anything I done a little research throught my notes...

Probability PLEASE CHECK

What is the probability of a game being sold if 18,980,000 of that title was sold out of a total 68320,000 different video games Is it 19,989,000/68320,000 1890/6832 = 27.77% rounded to nearest tenth

English

2. What are the qualities which a teacher should have for students? - She should know how to teach students effectively. She should prepare the materials with which she can teach students as well. She should also know how to deal with students who make others distracted...

math

please help me simplify (x^3+8)/(x^4-16). thanks. The denominator is cleary the differerence of two squares (X^2-4)(x^2+4). That can again be factored to (x+2)(x-2)(x^2+4). The numerator can be factored using the trinomial simplification.. http://www.algebra-online.com/sum-...

math-PLEASE CHECK

Find the surface area and volume of each of the following figures: d.Right circular cylinder v=pir^2h pi(3)(3)(6) pi(54) v=169.6 cubic cm sa=2pi r^2 + 2pi rh 2pi(3)(3)+2pi(3)(6) 2pi(9)+2pi(18) 56+113=169 Sa=169 square cm is this right???

MATH

KENDRA SETS A GOAL OF SAVING $50 IN 8 WEEKS. during the first 2 weeks, she was able to save $10. please check ; what fraction of the $50 did she save in the first 2 weeks? 10/50 what percent of the $50 did she save? 10% at this rate, how long will it take her to reach her goal...

Math ~CHECK MY WORK PLEASE~

Briana is allowed to watch no more than 5 hours of T.V a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of T.V Briana can still watch this week. MY ANSWER: T<5 T - 1.5 < 5 - 1.5 T = 3.5

English

1. He had to check the oven every 15 minutes. 2. He had to check the oven every 15th minute. (Are both grammatical?) 3. Mom will give me turkey sandwich for lunch for the next two week. (Is 'for lunch' an adjective pharase or an adverbial phrase? Does 'for lunch' modify '...

English

A: Hello. May I speak to Tom? B: Speaking. Who's calling, please? A: Hi, Tom. This is Sam. How are you doing? B: Just fine. How's your new school? A: It's great. By the way, what are you doing? B: I'm playing computer games. A: Will you come to Yunsan Middle School? B:Why? A: ...

geography

1. What country is due south of Egypt? Sudan 2. Is Phnom Penh or Hanoi the capital of Vietnam? Hanoi 3. Besides the Soviet Union, what other country borders the world's largest lake? Iran 4. What river runs west to east across the northern part of Italy? The Po River Can you ...

Social studies***help***

please check my answers 1.A 2.D 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism 2.What causes hurricanes...

Dogs Hunting Training

Please check my answer thanks :) Typically what is the generally recognized maximum distance for a retrieve ? A. 100 feet B. 250 feet C. 100 yards D. 200 yards My answer is C 100 yards

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