# Algebra, help + check please

104,559 results, page 90

### Algebra (please help me)

The cost in millions to remove x% of pollution in a lake modeled by C=6000/200-2x. What is the cost to remove 75% of the pollutant? What is the cost to remove 99% of the pollutant? For what value is this equation undefined?

### English

1. Match subjects and their feelings and make sentences. 2. Match subjects with thier feelings and make sentences. 3. Match each subject with its feeling and make sentences. 4. Make sentences after matching each subject with its feeling. =============== Are they all ...

### English

Can you please check if the following sentences are possible, please? Thank you very much. 1) Th scene takes place in a classroom of M'Choakumchild school. 2)It is a whitewashed room, in which the boys and the girls are sitting in two compact bodies divided up in the centre by...

### Algebra HELP

Can someone please help me with this Algebra problem. The equation y= -1777x + 27,153 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x-6 corresponds to 2006, and so. Predict the ...

### Pre-Algebra

Is this correct? If I'm mistaken, please correct it for me, and show me how. Thanks. [Fractions, Decimals, and Percents.] 33 & 1/3 of $90 = $21.00 100% of 500 = $500 1% of 500 = $5.00 50% of 70 = $35.00 100% of 70 = $70.00 Thanks, you don't have to tell me all of then, just ...

### intermediate algebra

joe has a collection of nickles and dimes that is worth $3.95. if the number of dimes was doubled and the number of nickles was increased by 21, the value of the coins would be $8.40. How many nickles and dimes does he have? show all your work. help me please

### math 12

I know this is alot to ask but could someone please check to see if I did this right and help me with the transformation. I was given this transformation problem. The cross section of the roof of a house is modelled by the function y= -5\12|x-12|+5, where y>0 or y=0. I need...

### Social Studies

Please review the question and check my answer below. Thank you tutors. Q: What was the effect of the McKinley on the value of Hawaiian-grown sugar? My answer: Funded the "most favored" status of Hawaiian-grown sugar and rewarding American producers with a 2 cent per pound ...

### English

1. She was drying her hair with the hair drier. 2. Dry your body with this big towel. 3. After bath, you need to keep your body dry not to catch a cold. 4. Study hard, and you will get high scores. 5.Practice ping-pong hard, or you will lose the game. 6. Work hard, and you ...

### Algebra

Divide using long division: 6x3 + 19x2 + x – 10 divided by 2x -1 Divide using synthetic division: 2x3 + 2x2 + 10 divided by x + 3 PLEASE HELP!

### algebra 1

1) Can you write a binomial in standard form with degree of zero? Explain. 2)Canyou write a binomial with a degree of 3? Explain. Can you help me answer this question please.

### Algebra ll

Please help!! I do not understand any of this!! Use the remainder theorem to find the remainder when f(x) is divided by x+4. Then use the factor theorem to determine whether x+4 is a factor of f(x). f(x)=4x^6-64x^4+x^2-18

### algebra

Please show work* . i don't get how to do this at all only 1/3 of the university students wanted to become teachers . if 2600 didn't want to become teachers, how many university students are there?

### algebra 1

tom has read 3/8 of the 480 pages in the book. how many pages are left to read? what is the ratio of pages read to pages not yet read? please help! due tomorrow

### algebra 1

can somme one please help me. i need answers for 1.divide (x2-10x+30)divided by (x-5) 2.divide (x3-20x+16)divided by (x-4) 3. divide (-4x3+35x+25)divided by(-2x-5) 4.divide (-7x+x2+15)divided by(-3+x)

### Calculus Help Please!!! Check

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to reach its highest ...

### Calculus Help Please!!! Check

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to reach its highest ...

### Algebra

I have a problem, which requires I solve the following system of linear inequality graphically. my textbook is vague and does not provide online examples or instruction to assist me withinfo to work the problem. Please help? Thank you. 3x - y is lessor than or equal to 6 x is ...

### algebra

Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.) Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43) I ahve no idea how to solve this becaue I never seen this type of math before. Someone ...

### algebra

A man invested half of his money at 5%, one-third of his money at 4%, and the rest of his money at 5.5%. If his total investment income was $570, how much had he invested? and please show me the solution to solve this problem. thanx sorry bobpursly I cant understand your ...

### college algebra--need help please!!

solve the following exponential equation. use exact answers only. not sure how to put it into the equation but it is 2 then 1-9x where the 1-9x is above the 2=e2x where the 2x is above the 2. Can someone tell me or explain to me how to put this equation the right way here.

### Algebra 2

The sum of a few numbers if 30, the first number is 2 less than the second, and the third is 4 less than the first. What are the order of numbers and what are the numbers? This is a post by one of my classmates that I'm supposed to solve. I'm probably doing it wrong, but I can...

### English

Could you please check these sentences? Thank you. 1) Humanism spread in the whole country. 2) The English Renaissance developed (spread is possible?) later than its European equivalents. 3)Puritans wanted a balance of power between the king and (the?) Parliament. 4) Charles I...

### Chemistry

DrBob222, I don't know how to solve this problem either. And yes, this is the question for this problem. I even double check it. Please help. Chloroform (CHCL3) has a normal boiling point of 61 'C and an enthalpy of vaporization of 29.24 kJ/mol. What is the value of delta Gvap...

### Algebra

Collect like terms 12p+4q-5p-9q= I dont'know how to collect like terms, please help.

### Pre- algebra help please anyone

X to the power of 11 like x11 and x to the power of two like x2 x9/x2 A x11 B x7 C 7 D x5

### MATH PLEASE

can a reference angle be negative? Tye "reference angle" in google and check out the mathwords site :) no I copied and pasted the mathwords page for you, unfortunatly the diagram that was with it cant, express itself in text so it didn't appear. For any given angle, its ...

### pre-algebra

Simplify- 2(x+2y)-y 5a+2b+3b-7a 2(2r-2)-8(2r+2) Here are some rules that might be helpful: http://cstl.syr.edu/FIPSE/Algebra/Unit3/combine.htm I hope this helps. Thanks for asking.

### algebra

Find the two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. can some explain to me how to get this i was thinking the formula would be ' 5x+12=3x No, that's not it. The second integer is x+2, since it is "consecutive" and also ...

### English

Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the previous question? A. It ...

### English

1. At school, I enjoy chatting with my close friends. 2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy playing soccer in the playground. 4. At school, I enjoy eating cookies at the school shop. 5. At school, I enjoy playing basketball in the gym. 6. ...

### Please help--algebra!

Here's the question I'm having trouble with. Please walk me completely through the question and give me the answer so I can thoroughly understand it, so I can solve similar problems in the future. #1: Mary uses a secret code to write messages. First, she translates each letter...

### English

I NEED HELP PLEASE!!! I need a 5 paragrph mini theme on " Pizza Is The Perfect Meal". For each paragrphs I need 2 references. PLEASE, PLEASE, HELP SOON.

### English

Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which of the following is ...

### I need help with my eniglish homework I was absent

I have been absent and I do not get my English homework! ¢¾Sandra Thank you for using the Jiskha Homework Help Forum. That alone does not help us. What sort of work are you doing in your English class? Anytime you are absent your teacher should give you list of what you need...

### english

perseverance,expanse,stifle,weary,writhe,premises 1.In order to meet their goals,Olympic hopefuls require persistence as they train and(perserance) in the face of obstacles. 2.Readers must leave library(expanse)by the stated closing time unless permissions for after hour ...

### Algebra 2

Approximate to the nearest tenth the positive real zeroes of f(x)=x^2+1. I got .6 Solve over the set of complex numbers. x^4-13x^2+36=0 i got -3,-2,2,3 but i don't know if i even did it right. Solve x^2+4x9=0 by completing the square. I don't even know where to begin on this ...

### Algebra

I don't quite understand how to solve matrices with three variables. If I have the equations: 7x-4y-2z=0 2x-3y+z=-0.25 -2x-2y+5z=0 How can I solve this? I saw the explanation in a site but I didn't understand it. They appeared to make random operations until the matrix was: 1 ...

### College Algebra and Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches...

### Algebra

The selling prices of houses in a city during one year were normally ditributed with a mean of $259,000 and a standard deviation of $15,000. Which of the following is closest to the percentage of the homes that had a selling Price between $244,000 and $289,000? a. 81.8% b. 47....

### social studies

Please check: 1. North Korea became a communist country by following the example set by Cuba (FALSE) 2. Congress set up a NASA in response to the Soviet blockade of Berlin (FALSE) 3. President Johnson tried to stop China from becoming a communist country. (FALSE) 4. The United...

### French: TO MS SUE OR ANY FRENCH HELPER

Please check & correct my mistakes: In English: One day sarah went shopping. Then she walked to her house Unfortunately it started to rain Fortunately sarah had a jacket All of a sudden sarah fell down Finally sarah arrived at her house In French: Un jour sarah fait du ...

### Physics Problems

Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? -(12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? -(48kg/m/s) / (4m/s) =12 kg A 1-kg ...

### Decartes Rule

Can you please check my work? Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes f(-x)=-7(-x)^9+(-x)^5-(-x)^2+6 There are 2 sign changes So...

### Economy

The Good’n’Fresh Grocery Store has two checkout lanes and four employees. Employees are equally skilled, and all are able to either operate a register (checkers) or bag groceries (baggers). The store owner assigns one checker and one bagger to each lane. A lane with a ...

### Spanish-8th grade

Please check 1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo estuviste ayer? Yo ...

### Math

Mrs. Hanson's class of 22 students shares 132 colored pencils Which statement is true? a. For each student there are 7 colored pencils. b. For each student there are 6 colored pencils c. For every 7 students, there is 1 colored pencils d. For every 6 students, there is 1 ...

### Physics please check

A pitcher throws a curveball that reaches the catcher in 0.55 s. The ball curves because it is spinning at an average angular velocity of 335 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it ...

### English ErR

Please check it Shaharzad is very brave and daring woman. She put her life on the death line to prove her point. Everyone has courage to do some thing better with their own selves. but it require ton of nerve and dare to do better for some one else .But she took stand for all ...

### EnGlIsH

Please check for any errors. Correct them and I would appreciate it. Thanks!!! This will confirmed your reservation for a sweet of four rooms on a non-smoking floor for the dates of July 3-July 9. As you requested, we will hold your sweet for your late arrival. Incidentally, ...

### English

I have a few more statements to check, please. Thank you very much. 1)The ICC project began in 2007. It gives young people the opportunity to speak publicly on climate change as well as to encourage action to reduce its effects. Each country involved selects three teenagers to...

### calculus

Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the y-axis, the line ...

### Social Studies (Check my answers please!)

What did the Mayan caldenders track? 1. Religous celebrations and battles 2. Religous celebrations and the seasons ** 3. Games of pok-ta-tok and the seasons 4. Games of pok-ta-tok and battles The Aztech capital of Tenochtitlan stood on the site of present-day_______. 1. Los ...

### Business Finance - Check/Help

Smith Manufacturing is considering the sale of two non depreciable assets, A and B. Asset A was purchased for $2000 and will be sold today for $2250. Asset B was purchased for $30,000 and will be sold today for $35000. The firm is subject to a 40% tax rate on capital gains. 1...

### English

Can you please check these sentences, please? Thank you very much for your previous corrections! 1) How can I get to school? Can you tell me the way to school, please? 2) Do you know the bank in Cross Street? Is Oxford street the road near the station? Yes, it is. 3) You have ...

### Environmental science

i'm a little unsure about my answers for these questions. Can someone please check them for me?, thanks.: 15. All of the following are major interactions between species EXCEPT a. competition and mutualism b. predation and parasitism c. commensalism and competition d. adaption...

### Algebra

Let f(x) = 1 – 3x^2. Which of the following is true? Please give us a brief explanation. A. f is an odd function. B. f is an even function. C. f is neither odd nor even. D. f is both odd and even.

### algebra

Could someone please help me with this? (1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

### algebra-math

Create a system of linear equations. Explain the steps for solving a system of linear inequalities. Make a system of linear inequalities problem. Please help me with this?

### English

I just wanted to be sure about the position of the conjunctions. Could you please check these sentences? Thank you. 1) He fears they will have an accident, injure themselves or that their motorbikes could break down. 2) While I was getting ready for school, my sister had a ...

### pre-algebra

Simplify- (-2c+d)(-5)+3(-2c)(-8d) Solve the Equation- y/12= -3 -9+a=11 Here are rules that will help you. http://cstl.syr.edu/FIPSE/Algebra/Unit3/combine.htm I hope it helps. Thanks for asking.

### Algebra

The volume of a sphere is given by: V=4/3 pie r cubed. Use the formula, and show your workings, to find out what happens to the volume of a sphere if r is halved and r is trippled? Please help as this has just completly lost me, i end up with V = 4/3 Pie r cubed / eight ........

### Algebra

Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft.

### Algebra

Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft.

### Algebra help URGENT Please?

Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute. a$29.00 b$21.00 c$5.00 $4.15

### Algebra

A bank teller counts her $10 and $5 bills at the end of the day. The total value of the money is $595. Let f represent the number of $5 bills. I have to write an equation that represents the total value of the money. I know f = 5 and 2f = 10 but I am stuck about what do do ...

### College Algebra

Question: Given f(x)=x^2+3x x such that f(x)=4 (ie y=4, what is x?) I am honestly very confused by this question to even attempt to do it. Though here is what I have on the rest of my sheet as my answers. Please correct me if I'm wrong. Thank you! Given f(x)=x^2+3x A. f(2)= 10...

### English

Could you please check these sentences for me, please? Thank you. 1) The story takes place in Prince Prospero’s castle, a big fortress with thick walls and refined furniture. 2) There are seven rooms for parties, each of which has a Gothic window and ornaments of the same ...

### English

1. A hippo is an animal which has a big mouth. 2. A hippo is an animal which is very heavy. 3. A hippo is an animal which is very big. 4. A crocodile is an animal which has lots of teeth. 5. A crocodile is an animal which has a strog and long tail. 6. A crocodile is an animal ...

### French 1

could you please check this god bless. Directions are using the following words ma, mon, mes, ta, ton, tes, sa, son, and seu 1. Qui est ----- amie. Answer: Mon amie est Briana. 2. Qui est----- ami. Answer: Mon ami est Alex. 3. Ou habitent ----- grands-parents. Answer: Mes ...

### Art

Could you please check how I can improve the following sentences? Thank you, Ms Sue. 1) Through his novel Orwell describes the totalitarian governments that had governed Europe in the period between the two wars. As a matter of fact, much of Oceanic society is based upon the U...

### math

2. suppose a point at (2,3) is translated to (7,-1). which rule describes this translation? a) translate right 5, down 4 b) translate left 5, up 4 c) translate right 9, down 2 d) translate left 9, up 2 3. if the point (-5, -8) is reflected over the y-axis, what are the ...

### french

Can you check my paragraph and make sure its grammatically correct in passé composé? Paragraph: Je suis allé à l'église hier. Après la messe, je suis allé en ville pour chercher quelque chose dans le magasin. Moi et ma famille sont allés manger au restaurant restuarant...

### Algebra

Ursula wrote the sum 5.815 +6.021 as a sum of two mixed numbers. part A. What sum did she write? b. Compare the sum of the mixed numbers to the sum of the decimals? Please answer both questions thanks

### Math 104

Students, please view the "Submit a Clickable Rubric Assignment" in the Student Center. Instructors, training on how to grade is within the Instructor Center. Assignment 2: Financial Project Due Week 7 and worth 55 points Five (5) years ago, you bought a house for $171,000, ...

### Math

Is this correct: sqrt2/sqrt10=sqrt2/5sqrt2 nope. it would be sqrt2/(sqrt5)(sqrt2) no.d sqrt2/sqrt10= sqrt (2/10)= sqrt (1/5) sqrt 0.2 thanks can you help me with this please? Factor:9x^2-8y^2 oh ok; can one of you help me with this: 4sqrtx^12/24sqrtx^2 4sqrtx^12/24sqrtx^2 4/4...

### french

Please can you check these translations? 1.Do you see what I see? 2.Feeling hot hot hot! 3.Relaxing in the sun. 4.At least it's not raining cats and dogs! 5.I'm scared of heights! 6.Rover, hang on! 7.Let it snow, let it snow, let it snow. 8.Fr-Fr-Freezing! 1. vous faire voit ...

### Algebra help please

Simplify I am using parenthesis to separate , if i write the whole prob as is, it runs together a + 9 (3a - 18) _____ ________ 36 - a^2 (3a + 27) possible answers i can choose from 1 ____ a + 6 1 ____ a - 6 - 1 ____ a - 6 - 1 ___ a + 6 I am thinking it is - 1 ___ a + 6 but I ...

### Science ~CHECK MY WORK PLEASE~

A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely A. From Group 17 ********** B. From Group 1 C. From Group 15 D. A Noble Gas Which is most likely to...

### Chemistry Help please! (:

Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?... I need help with a few more btw to double check if i'm doing these right. So here is what I did: First: balance the equation 2 Ag2 O ...

### Algebra

We are learning using the log button in algebra. I have a TI-83 calculator. My book says that log10 85 (there is no space between thet 10 and the 85, that's just to show the different numbers) is equal to 1.93 approximately. But I got 85. How do you properly type this in? ...

### Algebra--Correction?

Solve 4(2x-3) < 3x+6 Would the solution be x > 18/5? * Algebra - Reiny, Tuesday, October 13, 2009 at 5:30pm yes again! Hold on... Looking back on this problem, wouldn't it be x < 18/5 since you need to flip the sign when you divide by a negative?

### Science - Please Check My Four Answers

Please help me with the following questions: 1. Which is usually the best way to present or communicate inferred data? A. in a bar graph B. in a data table C. in a simple diagram D. in a written paragraph I know the answer isn't C or D(I got C wrong), but now I think the ...

### Spanish

Can someone please check my work? I was in Grade One. We went to the pumpkin patch. I got a really big pumpkin. I tripped while carrying it. I bit into the pumpkin. And lost one of my front teeth. Fui en primer curso. Fuimos al terreno de calabaza. Obtuve una calabaza grande. ...

### early childhood education

1. Small group discussions with preschools enables them to: A. Find out if they are superior B. Learn to argue C. Outsmart the others and gain teachers attention D. Compare their ideas with peer ideas I choose D 2. Children with many experience with stories: A. Can accurately ...

### Algebra 2

Could you please show me step by step how to solve this problem? Suppose that the equation of an ellipse is 36X^2 + 81y^2 = 2916 Find the major and minor radii. Use these numbers and the realtionship in problem 11 to calculate c, the focal readius for this elipse. number 11 ...

### ALGEBRA 2

Could you please show me step by step how to solve this problem? Suppose that the equation of an ellipse is 36X^2 + 81y^2 = 2916 Find the major and minor radii. Use these numbers and the realtionship in problem 11 to calculate c, the focal readius for this elipse. number 11 ...

### pre algebra

Use the five steps for problem solving to answer the following question. Please show all of your work. Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes can she talk on her ...

### Spanish-Please check SraJMcGin

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. ¿Visitaste a tu familia la semana pasada? Sí, yo visité mi familia la semana pasada. 5. ¿Donde estudiaste ayer? Yo estudi...

### English

8. What does Aibo have in his eyes? He has two cameras in his eyes. 9. What can Aibo do with these cameras? He can watch houses. 10. Aibo takes pictures of strangers. Then, what does he do? He sends them to the owner's phone. 11. What can't PaPeRo do? He can't do the dishes, ...

### please check(Social studies)

4.C 5.B 4.why is ectourism better for the environment than traditional tourism? A.it changes native cultures B.there is a shortage of clean water C.traditional tourism only highlights beaches D.ecotourism uses few natural resources 5.Which of the following explains why workers...

### geography

Check my answers, please? I put an asterisk next to which ever ones are my answer. Thanks! Why do you think the Inuit have retained aspects of their early culture? *A.because they are used to that lifestyle B.because such adaptations allow them to survive in their environment ...

### intro to algebra

how do i figure out this type of problem. 7(12t). im in college but never learned algebra in high school The seven multiplies by the innards of the parenthesis. 7*12t= 84t

### algebra

Here are the scores of 13 students on an algebra test. 55 , 57 , 60 , 60 , 65 , 68 , 70 , 70 , 80 , 80 , 84 , 89 , 92 Notice that the scores are ordered from least to greatest. Give the five-number summary and the interquartile range for the data set.

### check my answers please

1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is 234yd^2. the width of the playground is 5 yard ...

### Please check answers)

Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16 - 1/x all over 1 + 4/x A) x+4/16 B) x-4/16 C) 16/x+4 D) 16/x-4 E) -16/x+4 I chose answer C. I saw this as x^2-16/ x+4. Multiply the following using the FOIL method. Express ...

### Algebra

Suppose that the amount of algae in a pond doubles every 6 hours. If the pond initially contains 50 pounds of algae, how much algae will be in the pond after 18 hours? 400**** 10,800 300 600 Please correct me if I'm wrong.

### Algebra

I know what the answer is just not how to exopress it. Can someone help me please? State the domain of the function: f(x)(2+x)/(3-x) Now I know the domain is (-infinity,3) U (3, infinity)? (-infinity,3] U [3, infinity) ? How do I express it? do I use ] brackets or open at the ...

### Algebra

I know what the answer is just not how to exopress it. Can someone help me please? State the domain of the function: f(x)(2+x)/(3-x) Now I know the domain is (-infinity,3) U (3, infinity)? (-infinity,3] U [3, infinity) ? How do I express it? do I use ] brackets or open at the ...