# Algebra, help + check please

106,899 results, page 78

1. ### biology

are van der waals forces and ionic bonds similar ? How ? and are there also any difference beetween them? please please please help my brain is spinning! thank you so much!

Could you please explain to me: how was the structure (Collosus of Rhodes) effective for it's stated purpose? I don't understand the question and I need something for my project. Pleaseee.
3. ### Math

Is this a trick question? I need to write the number 79 in short word form, would it be seventy 10's and one 9 or 10 sevens and 9 ones? Please, please, please help me Thank You
4. ### Math (Algebra/Pre-Algebra)

A book has been discounted 20% and now sells for \$15. How much did it cost before the discount?
5. ### Algebra Question

How do I write A-1 The minus one is small and at the top but I am new at algebra and this is the first time I had to use this.
6. ### Algebra

Pick a number. Multiply by 2. Subtract 8. Divide by 2. Add 4. What is the result? Use algebra to show why the tricks work.

Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41. (Do not use mixed numbers in your answers.) Okay for some reason I keep getting this problem wrong. For sin(θ) I put 9/41, but it's wrong. Could someone please tell what I did wrong.
8. ### Math (Algebra/Pre-Algebra)

Which equation is an identity? a. 3x - 9 = 3x b. 4p + 7 = 7 + 4p c. 2w = 0 d. 5k = 5
9. ### algebra

can anyone tell me a few site good for algebra 1a?
10. ### ALGEBRA 2

WHAT IS THE RIDDLE TO ALGEBRA WITH PIZZAZZ WORK SHEET 56??
11. ### Algebra

In Algebra terms, what does "restrict the variables" mean?
12. ### algebra

algebra with pizzazz!In music,what does allegro means?
13. ### Algebra

What is the riddle to Algebra with Pizzazz worksheet number7?
14. ### English

I saw many animals such as koalas, a dingo, kiwis, cuscuses, kangaroos and emus in the zoo. I saw an emu stand in front of me. I saw a dingo stand by me. I saw kiwis gather around the fence. I saw a girl carry a koala. A mother koala is on a tree with her baby on her back. I ...

Moles of S203^2- = (molarity)(volume): =(0.032400 mol/L)(0.053 litres S203^2-) = 0.03240 moles S203^2- Moles if I2 based on Equation #2: Moles I2 = (1/2)( 0.03240 moles S203^2-) = .00086 moles I2 Moles of ClO^- based on Equation #1: Moles ClO-(aq) = (2/3)(.00086 moles I2) = ....

1.y + 3 >_ 5 ???How do I solve this 2. Write an inequality to represent the information: The temperature stayed above 15°F I think it is: t < 15 but I am sooo not sure 3. Gabriella went skiing. She paid \$35 to rent skis and \$15 an hour to to ski, if she paid a total of...
17. ### Biology

The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by showing the genotypes ...

19. ### grammar(correct version

Choose the correct version of the sentence. The bird naive but curios-flew straight towards the cat.(my choice) The bird-naive but curious-flew straight towards the cat. Can someone please check for me
20. ### science/chemistry

The van der waals equation incorperates corrections for the ideal gas laws in order to account for the properties of real gases. one of the corrections accounts for 1:The kinetic energy being inversly proportional to the temperature 2:The possibility of chemical reactions ...
21. ### cultural diversity

1. Prejudicial behaviors by young children, particularly in the 3 to 5 year age group, are not rooted in: A. Cognitive inability to fit new information and experiences into an existing belief system B. Observation and emulation of pro-social attitudes and behaviors on the part...
22. ### English

I still have to include the following paragraph to my previous letter. Can you please check it? Thank you. 1) As to your accommodation, you have chosen a hotel which lies more than two miles from the school! 2) I think you should opt for one among the following hotels which ...
23. ### british english

I have to find out what this part of a story is about. 1) don't know where professor got it 2)I think it might pertain to Victorian era: They measured each other with the eye. to her he was a spidery thing against the velvet blackness and hard silver sufaces of the pond. ....A...
24. ### Physics

Would someone please check my work ands let me know if I am right? (We are going to do this as a group but I'd like to attempt it on my own first.) Thank you! Suppose a soccer player kicks the ball from a distance 30 m toward the goal. Find the initial speed of the ball if it ...
25. ### English

Can you please check these sentences for me, please? Number 4 contains a run-on sentence I need to simplify. Thank you very much. 1) Victor created the monster with body parts selected from corpses chosen for their beauty. (??) 2) Victor created the monster by selected parts ...

Tomas makes balloons sculptures at a circus. In 180 minutes, he uses 252 balloons to make 36 identical balloon sculptures. Part A question how many minutes does it take to mAke one balloon sculpture? How many balloons are used in one sculpture? b. What is Toma's unit rate for ...

For the book, The Five People You Meet in Heaven, I have to answer this question: Q- 1. SETTING: give the time, place, and lenghth of the story. A- time: from Sunday to Friday; from the 1920s to a little before present-day; it begins at the end (Eddie's death) and continues on...
28. ### English

Could you please check this dialogue and tell me if the expressions are commonly used in American English? Would you have written them differently= 1.How are things with you? Any news? 2.We’ve moved house. 3.Where did you move to? 4.We moved to Villiers Terrace, just round ...

"When they came to our house to visit, although they had never met either of us before, the governor and his wife were nice to my sister and I." This statement: (Points : 1) includes an inappropriate use of a comma. includes a lack of agreement between subject and predicate. ...
30. ### College Algebra

OOPS I got the zeros wrong in the last post...please show work. Find a polynomial of the specified degree that has the given zeros Degree 4: zeros -2,0,2,4
31. ### algebra

Please help f(x) = 3x² + 2 x= 3 my question, do I start by solving x² first then multiply by 3 and adding 2 f(3= 3 * 9 + 2 = 29 or do I multiply first 3*3 =9² +2 = 83 I'm pretty sure we resolve the exponents first but need some help
32. ### Algebra

7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=
33. ### Algebra

The area of a rectangular floor is represented by 9x^2+15x square feet and the width of the floor is 3x feet. Which expression represents the length of the floor? a. 8x ft b(3x+5) ft c(3+5x) ft d(9x^2+12x)ft I don't know how to solve this. Help please!
34. ### Physics

Would someone please check my answers? thanks During a lie detector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200,000 ohms. What is the current (a)initially through ...
35. ### English

Could you please check these sentences, too? Thank you. That's the man I talked at the conference to. That's the man I talked to at the conference. On the Ten Tors Challenge I'm wearing a yellow T-shirt, black tracksuit pants, and a red-and-white bandanna on my forehead. I'm ...

Can you check my answer below, please? Elizabeth did an experiment to test the effect of salt water on rusting rate of a nail. She put 3 nails in the same bowl of salt for one week. How could she improve her experiment? Ans: 1) place each nail in a separate bowl with different...

Hi can someone check my answer. I'm not sure why the computer keeps marking it wrong. **Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population...
38. ### Language Arts

What is the pattern of stressed and unstressed syllables and how many metric feet are their in the following line? "Under a spreading chestnut tree" My answer is that the pattern of stressed and unstressed syllables is unstressed, stressed and there are 4 metric feet, is this ...
39. ### algebra 1 help

I am having a hard time understanding these problems would some one please explain what i need to do the teacher is asking me for points on the graph i am totally confused 1)Graph the inequality. y > –5 2)Solve the following system of linear inequalities by graphing.
40. ### Algebra

How does 3x(4x+5)-5(4x+5) factor out to be (4x+5)(3x-5) ? This may be wrong, because I wrote this answer in my notes, but could some one please explain this to me? Also, do you have any tips on factoring? I understand the concept when I see an example(Usually), but I have a ...
41. ### Algebra

Totally confused! Got 5 more of these to do and need some guidence please. Let f(x) = e^x–2 + 3. (a) Describe in words how the graph of f can be obtained from the graph of y = e^x (b) What is the domain of f? (c) What is the range of f? (d) What is the y-intercept? State the...
42. ### algebra

Simplify. Do not use negative exponents in the answer. -25a^-2/10b^-4 HAVING A HARD TIME WITH THIS ONE!! i KNOW YOU REVERSE THE LETTERS AND THE NEGATIVE POWERS ARE TURNED INTO POSITIVE AND RECIPROCATED BUT THE -24/10 I CANT FIGURE OUT FROM THE EXAMPLE I WAS GIVEN. PLEASE HELP!!
43. ### algebra

Simplify. 3 - 2(4 - 7) ÷ 9 i don't know what ta dooooo after i subtract 4 and 7 which is -3 then multiply 2 which is -6 then i don't know what to do afterwards, i know pemdas so -6 divided by 9 cannot be so please help on that. the integers from -3 to +3 can be used in the ...
44. ### Physics

Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3. The magnitude of...
45. ### Physics

Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3. The magnitude of...
46. ### English

Can you please check these few sentences for me? Thank you very much. 1) Walter Pater, the theorist of the aesthetic movement, believed that art shouldn't have any didactic purpose. It should be devoted to the cult of beauty. 2) The task of the poet was therefore to to feel ...
47. ### Algebra

1. If m∠1=37º , what is m∠4? a) 53º b) 43º c) 37º d) 27º 2. If m∠1=50º , what is m∠5? a) 50º b) 40º c) 35º d) 25º 3. If m∠4=25º , what is m∠8? a) 105º b) 75º c) 175º d) 25º 4. What is the sum of the interior angles of a ...

Bonnie has a rectangular photographic print that is 5 inches wide and 7 inches long. If she multiplies both the length and width by 1.5, how will the perimeter of the print increase? a.) It will be 1.5 times the original size. b.) It will be 1.75 times the original size...
49. ### T.V Prod

Anyone know where i can find a short story(treatment). Like a one page movie story about anything Are you looking for a short story? If so -- this is one of my favorites, "The Most Dangerous Game," by Richard Connell. http://www.classicreader.com/read.php/sid.6/bookid.1317/ ...
50. ### English

Coud you please check these few sentences? Thank you. 1) I have just finished (with) make-up exams and I won't start school till 12 September. 2) Have you found out a suitable payment method for our purchases on the net? 3) My nephew would be interested in taking conversation ...
51. ### "My Antonia"

A new critc reading "My Antonia" would find many components worth consideration, like Cather's lush descriptions of the prarie and vivid portrayls of living with only the barest essential. Wite a formal paragraph to this question- Analyze the importance of the crossroads where...
52. ### Algebra 2 Answer Check

Simplify by rationalizing each denominator. 1. 2/√3 A: 2√3 / 3 2. -18/√6 A: -3√6 Add or subtract. 3. 4√3 - 9√3 A: -5√3 4. √8 - 15√2 A: -13√2 5. √45 + √20 A: 5√5 6. 2√48 + 2√12 A: 12√...
53. ### algebra

An algebra book weighs 6 oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?
54. ### federal court system/criminal justice

There is a large round up of gang members, this is a federal case but is being supported by about 50 local officers and state troopers. I need help please, coordinating the informaiton for briefing on the process at the federal court building. The briefing is to detail what ...

**<--That means my answer choice 1. For the data in the table does y vary directly with x? If it does write an equation for the direct variation. x|y 8|28 16|56 20|70 a. yes;y=5x b. yes;y=x+20 c. yes;y=3.5x** d. no; y doesn't vary directly with x 2. For the data in the ...
56. ### Algebra

The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please help me!!!
57. ### Algebra 2

Simplify each expression. 1+sqrt(3) ______________ sqrt(3)-sqrt(2) *this is a division radical expression please show work!!
58. ### Precalculus

Can someone check my answers please? Thank you :) 30. What is Earth's rotational speed at (a) Bangor, Maine (latitude 45 degrees N) and (b) Rio de Janeiro, Brazil (latitude 23 degrees S)? (It's given in the problem also that Earth's rotational speed at the equator is about 1,...
59. ### calculus

Please check this for me: the lenght l, width w, & height h of a box change with time. At a certain instant the dimensions are l=1m & w=h=2m. L and W are increasing at a rate of 2m/sec while H is decreasing at a rate of 2m/sec. At that instant, find the rate at which the ...
60. ### Math 9

My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was \$2.20 more than my drink. The total bill was \$12.90. How much was each drink? Use algebra. Please help me, thanx
61. ### Physics repost

Please help!! I have tried everything and is still coming up with and incorrect answer. A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.70 T in a time of...
62. ### ap algebra

Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. f(x) = 2(x - 2)(x + ...
63. ### Algebra

Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks, Kelly
64. ### Algebra

Please Help. How long, to the nearest tenth of a year, will it take \$12,500 to grow to \$20,000 at 6.5% annual interest compounded quartely? (Use the formula for compound interest with n compoundings per year to solve for t.)
65. ### Pre-algebra

Could someone please help me solve the following problems, and show me how to do the work? I am getting confused, and need something to refer to when doing future problems. Thank you so much! (6x+1)(x^2-9x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y) div. by 2y (6x^2-25x-10) div. by (...

I don't understand the topic we're learning in math. /: Provide an explanation, steps on how you figured the answer out, and of course, the answer. Tell whether the table represents an exponential function. If so, write a rule for the function. x: -2, -1, 0, 1, 2 y: 25, 5, 1, ...
67. ### Algebra

I'm totally confused help please?!? In 1990, 253 million people visited theme parks in the United States. In 2000, the number of visitors increased to 317 million people. What was the percent of increase?
68. ### college algebra

Use properties of logarithms to condense the logarithmic expression. Wreite the expression as a simple logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. Inx + In 15 Please show work
69. ### algebra 2

I need help with this problem please five hundred raffle tickets are sold for \$3.00 each,one prize of 500 is to be awarded, Raul purchased one ticket. a) his expected value? b) the fair price of the ticket?

A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.

Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.
72. ### College Algebra

4 + 5^6x = 8 (a) Find the exact solution of the exponential equation in terms of logarithms. x = (b) Use a calculator to find an approximation to the solution rounded to six decimal places. x = can any body help me out here please?
73. ### Pre algebra

Tropical storm alpha has winds of 50 miles per hour. Write and solve and an inequality to find how much of the winds need to decrease so that the storm is downgraded to 39. Please help, explain steps
74. ### English

1. I can make a vegetable soup. 2. I can make vegetable soup. (Do we have to use 'a' ornot?) 3. I can make ramen. 4. I can make pasta. 5. I can make seafood. 6. I can make raw fish. 7. I can make noodles. 8. I can make sandwich. 9. I can make bread. 10. I can make apple juice...
75. ### English

1. There are some naughty students in class. So you need to discipline them. What will you do if one student makes noisy during the class? - First, I will tell him to be quiet softly. If he continues making noise, I will make him stand at the back. If he doesn't listen to me ...

Hi, did I do these correctly? Thank you- 1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los deportes? Sí, me gustan los deportes. 3. ¿Qué comida te gusta comer? Me gusta hamburguesa y unas papas fritas o la paella. Could I also say: Me gusta ...
77. ### Algebra

State the slope of the lines: a, b, c: a) Y + 8 = x Slope is: b) Y - 8 = 0 Slope is: c) x – 8 = 0 Slope is: PLEASE HELP ASAP

Determine the last three digits of 2^5+3^5+4^5+......+10,000,000^5 + 2^7+3^7+4^7+......+10,000,000^7
79. ### Social Studies

Please review the question and check my answer below. Thank you tutors. Q: Which of the Big 5 companies were started by missionaries or their sponsors? My answer: Alexander & Baldwin & (and) Castle & Cooke. I also got my answer from a reading I was given from my teacher, and I...
80. ### English

Can you please check these sentences? I just need to know if they are ok. 1) When do you usually get off work? He took a day off work to drive me to the airport. 2) The manager has just laid off Peter’s father. Can you put me through to the manager, please? He has taken on ...
81. ### English

I urgently need you to check these sentences, please. 1) How long have you know Peter? I' ve known him for two years, since I moved to Paris. 2) We'll arrive late unless we take a taxi. 3) We won't start dinner until/as long as your father doesn't arrive. When I was on holiday...
82. ### American History

If at all possible can some one please check my answers? Thank you in advance for you assistance. Which of the following statements about the Southern planter's world is most accurate? My answer: B. Most great planters of the Old South were self-made men. After the War of 1812...

Hi everyone! May anyone please tell me how to tell how many zeroe's are required in your answer when moving the decimal points in converting metric units? Thank you very much! Please help soon, if possible, as I have a big test coming up! For example, 5.17 kl= 51,700 Liters. ...
84. ### Math - Pre Algebra

Simple and Compound Interest Find the simple interest. principal= \$870 interest rate= 6% time= 9 months Please help me I need the answer for tommorow.
85. ### Algebra 1

c. multiplying x/6-5/8=4 by 6 did not eliminate all the fractions/ What could you have multiplied to get rid of all the fractions? Explain how you got your answer and write the equivelent equation that has no fractions. HELP ME PLEASE!!!!!!! I don't understand this.
86. ### Algebra

Determine if the equation y = 2^x represents exponential growth or decay I thought at first it was growth but now I think it might be decay because there is no "b" in a parentheses so do I assume b is less than 1 so it's decay? Please help
87. ### algebra 1

A ladder leaning against a house makes an angle of 60 degress with the ground. The foot of the ladder is 7 feet from the foundation of the house.how long is the ladder? please some sugesstions
88. ### Algebra

A circle’s area is represented by A = π(x2 − 22x + 121). What expression represents the radius of the circle? A. x + 11 B. x − 11 C. x − 22 D. x + 22 I got B. please correct me if I am wrong/ Thank You sir

The active ingredient in the allergy medication Claritin contains carbon (C), hydrogen (H), chlorine (Cl), nitrogen (N), and oxygen (O). Its molecular formula is C22H23ClN2O2. The standard adult dosage utilizes 1.480 1019 molecules of this species. Determine the mass (in grams...
90. ### English

Can someone please check the grammar in these last two for me. I posted this about 8:00 and no one ever answered. I do understand that you are helping other individuals to. Your help is greatly appreciated. The tension that Irene has towards Bellew shows that she does not ...
91. ### Social Studies

What were the colonial and territorial days of Minnesota? Minnesota wasn't a colony. The territorial days were those years when Minnesota was a territory. For more information, please check this site. http://en.wikipedia.org/wiki/Minnesota_Territory

How does George show he protects Lennie when they meet the boss? My Answer- George answers all of the boss' questions himself to prevent the boss from finding out that Lennie was crazy and not smart and then not giving them jobs. Also, George tells the boss what a good strong ...
93. ### English Class

What is the direct object in these sentence? Can you check them please 1. This article gives interesting facts about libraries. Is it libraries? 2. In the Untied States, we now have thousands of libraries. Is it Untied States? 3. Fire destroyed all of these libraries. Is it ...
94. ### Physics

Could you please check my answers and units. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? -I got 12 m/s 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds...

Which choice best describes the underlined words in this sentence? I am looking forward to the trip to the museum next week. A- simple predicate B- complete predicate C- compound predicate D- none of the above I think B. underlined is: am looking forward to the trip to the ...
96. ### Socias Studies

which of the following is an advantage of a presidential government? A. the president is elected independently of the legislative brach B. The president is part of the legislative branch C. A system of checks and balances increases legislative power D. A system of checks and ...