# algebra II-URGENT

44,772 results, page 24

18. ### Trigonometry URGENT!

A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125° after 15 minutes from the start of the examination. Then, 28 minutes later, the ...

You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. A) 16x^2 = 1600 B) x^2 - 350 = 0 C) x^2...
20. ### Math - Algebra

Von's arcade uses 3 different colored tokens for its game machines. For 500, you can purchase any of the following combinations of tokens: 8 gold, 18 silver, and 7 bronze tokens; 8 gold, 14 silver, and 13 bronze tokens; or 16 gold, 6 silver, and 9 bronze tokens. What is the ...
21. ### Algebra

89, 88, 78, 95, 92 Sadye has the Algebra test scores shown. If her goal is to have a test average of 90 or higher what is the lowest score she can make on her next test and still achieve her goal? Note: scores are not rounded.
22. ### statistics

A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that: c) the student did not pass algebra.
23. ### Physics URGENT!!!

Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 20.0 m. After she has descended a vertical distance of 4.00 m, her brother, who is initially at rest, hops on her back, and ...
24. ### Algebra

Divide 1-125b^3 by 5b - 1 You need to learn the technique of polynomial long division. It's just the same as if numbers were involved. See http://www.sosmath.com/algebra/factor/fac01/fac01.html for sevaral examples. Hint: It will be a three-term polynomial. The first term will...
25. ### science (URGENT!! CORRECT PLEASE))

(1) in order for an organism to develop specialized tissues the organism must be which of the following A) A Plant B) An Animal C) Unicellular D) Multicellular ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My answer: D ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (2) Which foods are lipids found in...
26. ### Geography - URGENT!

It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. My answer: Eastern Europe has only been a political region since after World War II. ...
27. ### Chemistry VERY URGENT PLEASE

A) NaOH(s) > NaOH(aq) B) NaOH(s) + HCl(aq) > NaCl(aq) + H2O(l) C) NaOH(aq) + HCl(aq) > NaCl(aq) + H2O(l) Examine the 3 reaction equations, and determine the relationship between them. Demonstrate this relationship by combining the equations in a manner consistent with...
28. ### English

I really have problems in correcting the grammar and choosing the proper synonyms in these sentences. I selected the six most difficult ones. 1) Their task was to grow and harvest sugar cane. In those profit-making enterprises a system of terrible punishments and rewards was ...
29. ### physics help needed very urgent !!!

The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 55 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an applied force with a ...
30. ### maths (variation)

different questions pls! Very urgent! 1) the force E needed to make a machine pull,a load is partly constant and partly varies as the load to be pulled itself.when the load is 20g,the force needed is 1.4n,where as the force needed for 30g load is 2N. Find the: A)law connecting...
31. ### algebra

simplify:(3x0 ynegative 4)(2x2 y)3 this is hard to break down but i got 6x6/y but my sister said it could either be 24x6/y or 216x6/y6 if not any break it down and tell me which one is right thank u please keep it clear and simple so i can understand Responses algebra - ...

please help me to correct my resignation letter in correct format and grammar. thank you Dear Sir, I would like to inform you that I am resigning from my job effective on Oct.28, 2011 and it is extremely urgent I request to leave on Oct.30, 2011. So I hope you will consider ...
33. ### maths(statistics)

it is about the system R or R programme. Can anyone help me about the question? Urgent! Let X denote the concentration of calcium carbonate (CaCO3) in milligrams per liter. Following are 20 observations of X: 130.8 129.9 131.5 131.2 129.5 132.7 131.5 127.8 133.7 132.2 134.8 ...
34. ### English

Could you please check if everything is ok? It's really urgent. 1)The old woman is wearing an elegant black business suit with a white blouse and a white-and-blue striped scarf. 2)The boy in the picture is wearing a black leather jacket with a white short-sleeved shirt under ...
35. ### CALCULUS-URGENT- no one will respond!!!

we know the series from n=0 to infinity of c(sub n)*3^n converges 1. TRUE OR FALSE the series from n=0 to infinity of c(sub n)*2^n must converge 2. TRUE OR FALSE The series from n=0 to infinity of c(sub n)*4^n must converge 3. TRUE OR FALSE the series from n=0 to infinity of c...
36. ### Physics urgent help please

A rectangular coil 60mm × 40mm with 25 turns is positioned with its longer sides parallel to a long straight vertical wire carrying a current of 6.8A. The coil is placed so that its long sides and the vertical wire are in the same vertical plane, with the wire 40mm away from ...
37. ### maths- urgent

a) Forming the smallest six digit number with different digits. Reverse the number and add the sum of the two numbers. b)Forming the smallest five digit number with different digits. Reverse the number and add the sum of the two numbers.
38. ### English

Can you please check these sentences for me, please? It's urgent. 1) What do you think about going to the cinema? How about meeting at school? 2) How do I arrive at the school? I put the clothes back in the wardrobe. I put (is "take") the rubbish out once a day. 3) I must have...
39. ### algebra

I'm in algebra class, and my graphing calculator isn't allowed. So I'm trying to get used to using a ti-36xsolar. I can't figure out how to put in simple algebraic expressions though, like 2x+1. In my graphic calculator, i could put that in and it solves it. With the ti-36 - I...
40. ### set (math)

A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects? With solution please, tnx...
41. ### English

Can you please check if the two answers to the questions (3/4) are correct? It's really urgent. Thank you. 1)Jamal is planning a trip around the world on his motorbike with his friend Simon. 2)They are going to leave from London next week. Then they will drive across Europe, ...
42. ### Pre algebra

I need the answers to unit 2 lesson 13 pre algebra unit test
43. ### English

I included the five sentences I was most unsure of. Thank you for helping me. It's really urgent. 1) I was very proud of myself when I won a (the) regional roller-skating competition in 1998. (when I scored 4 goals one after the other/when I headed the ball in four time during...
44. ### Algebra

6. List of all the Quadrilaterals with exactly one pair of Parallel sides. A. Parallelogram; Trapezoid B. Rhombus; Parallelogram; Rectangle C. trapezoid D Rhombus; Square; Rectangle I wanna say its B but I'm not sure :/ I haven't really got a 100% understanding on this topic ...
45. ### Econ more help please

See question below at **** Suppose local govt decides that a tax is the best way to address the inefficiency created by outdoor concerts. Assuming the social cost curve and the private cost curve are parallel to each other, how much does the tax on concerts have to be to ...
46. ### Algebra

Hey! I like math,but this year I'm doing algebra 1 and am not doing so well. I understand the lessons,but then the next day I learn a new way to solve a different problem and confuse the old way with this new way. So on tests,I know how to answer some problems but then get ...
47. ### algebra

The kinetic energy of a particle of mass m is found by taking one-half of the product of the mass (M) and the square of the veocity (V). write an expression for the kinetic energy of a particle. Am i correct in writing KE=1/2mv^2 yes can u help me study for my algebra test ...
48. ### algebra

The formula b=27a, is used in New England to estimate the minimum furnace output, b, in BTUs, for a modern house with a square feet of flooring. What is the minimum furnace output for BTUs? What is the answer to A? I have searched and listened to all kinds of algebra help ...
49. ### Physics. Urgent help!!

The relative humidity is 55% on a day when the temperature is 30.0°C. Using the graph below, determine the number of moles of water vapor per cubic meter of air. on the graph, Vapor pressure of water is on the y-axis and temperature on the x-axis 30C cordinates with 4200 Pa ...
50. ### Pre Algebra

“A pre-algebra book is 8 1 half Click for more options inches by 9 1 fourth Click for more options inches. Determine the perimeter of the textbook. Describe the steps you took to solve this problem.
51. ### pre algebra

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
52. ### algebra

SEE BELOW PLEASE at******** If computing N(t) = Pa^t where P=642.035376 and a = 2.900129566 (both are stored in calculator), to what extent should the values of N(5), N(7) and N(9) be rounded? and why? Note: N(5)= 131,718 N(7)= 1,107,849 N(9)= 9,317,847 algebra - bobpursley, ...
53. ### algebra

SEE BELOW PLEASE at******** If computing N(t) = Pa^t where P=642.035376 and a = 2.900129566 (both are stored in calculator), to what extent should the values of N(5), N(7) and N(9) be rounded? and why? Note: N(5)= 131,718 N(7)= 1,107,849 N(9)= 9,317,847 algebra - bobpursley, ...
54. ### MATH STATS URGENT

The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate probabilities. b. ...
55. ### MATH STATS URGENT

The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate probabilities. b. ...
56. ### Healthy Decision Making (URGENT)

List the possible consequences to self, others and society at large if individuals fail to act responsibly while participating in the following activities. Mountain Climbing Consequences to self: May have injuries such as broken body parts Consequences to others: May cause ...
57. ### Algebra I

What is the quadratic equation? In the standard form of the quadratic, ax2 + b x + c=0 a, b and c are constants. Then x is equal to (-b +- sqrt (b2 -4ac) )/2a huh?? You asked what the quadratic equation was, I gave it to you. You need to read your text on this if you are lost...
58. ### Algebra

what is the value of (n) ? (n+3)! = 5040 the prime factorization of 5040 = 2x2x2x2x3x3x5x7 since the ! function involves the multiplication of consecutive integers, it makes sense to arrange these factors so they form consecutive numbers. I got 2,3,4,5,6, and 7 and sure enough...
59. ### Biology URGENT

Where can i find the Scientific Name of the Phyla/class of Eubacteria, Cyanobacteria, and Prochlorbacteria? Since this is not my area of expertise, I searched Google under the key words "Eubacteria phylum" to get these possible sources: (Broken Link Removed) (Broken Link ...
60. ### algebra

Mr. Smith has 100 students in his Algebra classes. The grades of a quiz are normally distributed with a mean of 70 and a standard deviation of 4. Sally claims that 75 students scored between 66 and 74 on this quiz. Given that this is normally distributed, is Sally correct? ...
61. ### algebra

Mr. Smith has 100 students in his Algebra classes. The grades of a quiz are normally distributed with a mean of 70 and a standard deviation of 4. Sally claims that 75 students scored between 66 and 74 on this quiz. Given that this is normally distributed, is Sally correct? ...

pls.hep me to solve tjis problem.. is anyone willing to solve please. PROBLEM 1: On Jan 1, 2011, the Rhiri, Brit & Keisha partnership is formed. Rhiri and Brit contribute cash of $30,000 and$20,000 respectively, while Keisha contributes assets with the following fair values: ...
63. ### Physics URGENT!!!!

1.A 75 kg passenger in a van is wearing a seat belt whent he van moving at 15m/s, collides with a conrete wall. The front end of the van collapses 0.50 m as it comes to rest. a) what was the paseenger's kinetic energy before the crash b) What average force did the seat belt ...
64. ### 9th grade algebra/Ms Sue

Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
65. ### Algebra

Mr. Smith has 100 students in his Algebra classes. The grades of a quiz are normally distributed with a mean of 70 and a standard deviation of 4. Sally claims that 75 students scored between 66 and 74 on this quiz. Given that this is normally distributed, is Sally correct?
66. ### Yr 10 English URGENT

"Write a creative description of a journey you have taken. Focus on the means of transportation and the nuances in particular to that way of travel. Select 10 words from the spelling list to use in your piece of writing and write in the space provided on the answer sheet." The...
67. ### 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 - 0-6.99 - acid Please check my answers and ...
68. ### Algebra 1

I have this extra credit assignment for Algebra 1. It's due tomorrow and I really need help on this. I had a slope of 0.222 for one line and 0.081 for the other line. (y=0.081 * x + 215.378) (y=0.222 * x - 43.829) My intersection point is about 1800,320. I have to solve for ...
69. ### Stats

On her first test in algebra, Mary earned a score of 75, and she made an 85 on her first psychology test. If the average score on the algebra test was a 68, with s=7, and the average on the psychology test was 91, with s=6, is Mary doing better in psychology or algebra. Why?

75. ### Algebra

Debbie finished her algebra test early so she decided to check each of her answers. After checking her answer to question #10, she realized she made a mistake in her solution. In which step does Debbie make her mistake? Original Equation: 2 + 3y = 5(y - 2) Step One: 2 + 3y = ...
76. ### Physics Urgent!

1.You are driving at the speed of 28.7 m/s (64.2138 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press the brakes 0.427 s later. Assume that the brakes on both cars are fully engaged and ...
77. ### math urgent!

You flip a coin 20 times and get tails 15 times. You flip the coin 80 more times. What do you expect to happen to the experimental probability of getting tails as you increase the number of trials? The experimental probability will get closer to 50% The experimental ...
78. ### English

Can you please check these expressions? It's really urgent. The first set of expressions concerns husehold chores whereas the others refer to what you have to do when you do the washing. 1) I have to clean the bathtub, the sink and the toilet, dry the dishes dust the furniture...
79. ### English

Can you please check these sentences for me? Thank you very much. It is really urgent! 1) She was looking at the people sitting at the cafè while she was driving. 2) She was listening to music on her earphones while she was running in the park. 3) She was looking at a mobile ...
80. ### Biology--Urgent

27. Which of the following is true for both aerobic and anaerobic respiration? a. ATP is produced during glycolysis b. Pyruvate is broken down to ethanol or lactate c. The electron transport chain pumps hydrogen ions across a membrane d. An organic hydrogen acceptor recycles ...
81. ### history-URGENT

read the quote and answer the 3 questions "Our attack pattern was: barrage a hill with bombs and shells, move up the foot soldiers, hold it against counterattacks, fight down the reverse slope, then start on the next one. We would attack during the day, dig in for the night--...
82. ### Chemistry URGENT/DR BOB

Can someone may sure that I balanced the following groups of equations correctly. Write an equation to show how acetic acid reacts with water to produce ions in solution. C2H4O2 + H2O >>>>>>> H3O + C2H3O Write an equation for the neutralization of HCl and ...
83. ### Math help urgent

I have a few questions that i need help with so can someone pleese help me thanks:) 1. represent each with an ineqaulity a.) time spent on the activity can be at most 13 mins b.) the volume of the container must be a minimum of 1.8 L and a max of 2.5 L 2. in canada by law any ...
84. ### chemistry URGENT

I need someone to check my answers to make sure that I have the correct answers. (3 Part Question) Two students each measure the density of a quartz sample three times: Student A Student B 3.20 g/mL 2.82 g/mL 2.58 g/mL 2.48 g/mL 2.10 g/mL 2.59 g/mL mean 2.63 g/mL 2.63 g/mL 1. ...
85. ### algebra

solve by substitution 5x-2y = -5 y - 5x = 3 could someone take a min a show me how to do this problem by steps so i can do the rest of my problems and wait a min so i may ask questions. I m failing my algebra class and desparately need help. 5x-2y = -5 y - 5x = 3 take the ...
86. ### URGENT!!!!!!!!

I need to find old regents exams of French and Living Environment for tomorrow!!! There are a load of Living Environment ones but they require some kind of download which my computer can't do. Please help.....I've looked but I just can't come up with anything!!!!!!!!! brie p.s...
87. ### geo

Hi... I need some URGENT help with my geography essay, I'm suppose to have three reasons to why canada is the best country and I'm looking for a 3 strong arguments ... i have 2 already down , economy and physical geography . I need to have 11 paragraphs in total. so that means...
88. ### cal3/algebra help me!

Find and classify all local minima, local maxima, and saddle points of the function f(x,y)= -3yx^2-3xy^2+36xy I really need help answering this one!! Please answer in detail! Thank you This is what I have so far... D=FxxFyy-(Fxy)^2=(-6y)(-6x)-(-6x-6y+36)^2 = 36xy-36(x+y-6)^2 ...
89. ### ALGEBRA

can you help me with this. d don't get it at all :( let n be the number used for the given number puzzle. use algebra to show how the puzzle works. 1. pick a number 2. subtract 9 3. multiply by 6 4. divide by 3 5. add 18 6. subtract twice your original number You will always ...
90. ### math

Can someone correct this for me please or help me out.... Why are variables useful in algebra? My answer: Variables are useful in algebra because they detemine an answer that anyone is trying to get to. Variables can represent a single number or a whole sub-equation. they make...
91. ### algebra

What is the slope of a line through (-5,2) and (6,7) in the standard(x,y) coordinate plane? Sorry, I forgot the choices F.9 G.5 H.-5 J. 5/11 K. -5/11 The main reason i can't figure this out is because I can't remember the slope formula. I need the slope formula but i also need...
92. ### Algebra

There are 37 students in an algebra class. there are 9 more girls than boys. how many boys and how many girls are in the class? I have to use systems of equations to solve.
93. ### Urgent Chemistry

The Heisenberg Uncertainty Principle: A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of mm = 0.100fg\rm fg (where a femtogram, fg\rm fg, is 10−15g\rm 10^{-15}\; g) and is swimming at a velocity of vv = 7.00ìm/s\mu m/s , ...
94. ### CALCULUS-URGENT

we know the series from n=0 to infinity of c(sub n)*3^n converges 1. TRUE OR FALSE the series from n=0 to infinity of c(sub n)*2^n must converge 2. TRUE OR FALSE The series from n=0 to infinity of c(sub n)*4^n must converge 3. TRUE OR FALSE the series from n=0 to infinity of c...

(imageshack)(.)us(/)photo (/) my-images (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 ...
96. ### Physics: urgent help needed

i have a test on monday 1 A beach ball is thrown straight up with a speed of 10m/s from a point 2 m above the ground a) Assuming no air reistance, calculate how far up the ball will go b)At what speed will the ball eventually hit the ground? c) If the air resistance exerts a ...
97. ### Algebra 2

~Solving inequalities~ Hello everybody :-) I'm pretty good at Algebra, and always have been... but I am not so great when it comes to word problems. Here is what I need help with: >>> The length of a rectangular yard is 50 ft., and it's perimeter is less than 170 ft. ...
98. ### Math urgent..............help.....

the table below shows the registered Democrats and Rebuplicans in a school Women men Democrates 152 88 Republicans 98 122 a) find the probbility that a randomly selected person from the school is a male republican. b) find the probbility that a randomly selected person from ...
99. ### Algebra

General tickets sell for $6 and adult$9. Sell at least 300 student and at least 500 adult. Costs $1 to advertise for adult and$.50 to advertise student. Have at most \$400 for advertising. What is most profit that can be made? algebra inequalities