Friday

February 24, 2017
Number of results: 148,092

**trig**

Find all solutions to the following triangle. (Round your answers for angles A, C, A', and C' to the nearest whole number. Round your answers for sides c and c' to two decimal places. If either triangle is not possible, enter NONE in each corresponding answer blank.) B = 113...

*November 16, 2012 by janice*

**chemistry**

The question asks, "Butanoic acid has a partition coeff of 3.0 when distributed b/t water and benzene. Find the formal concentration of butanoic acid in each phase when 100 mL of 0.10 M aqueous butanoic acid is extracted with 25 mL of benzene at pH 10.00." I know that the ...

*November 15, 2009 by For Dr. Bob*

**calculus**

Maximize p = 2x + 2y subject to 4x + 8y 24 8x + 4y 32 x 0 , y 0 (Round all answers to the nearest 0.1.) p = Incorrect: Your answer is incorrect. x = Incorrect: Your answer is incorrect. y = Incorrect: Your answer is incorrect.

*November 13, 2011 by LC*

**Algebra 2 ..**

Simplify. 1. Log base 4 of 256^2 IS THE ANSWER 8....IF SO AM I SMART? 2. Log of 45 ^x Is the answer 1.65X? 3. Log base 6 of 12 ^(x+1) Is the answer 1.39x+1.39?

*February 22, 2013 by Anonymous*

**College Math**

Find the derivative of the following functions: a) f(x)=(3x^2-6 )/(x+2) b) g(x)=sin(e^2 +5x) c) j(x)=6xe^x d) Your velocity is v(t)= t^2 = 1 for 0≤ t ≤ 4. Find or estimate the distance traveled during this time.

*April 16, 2014 by Michelle*

**Algebra 115**

I have been trying this on my own and just want to know if this is right are not 2. Suppose that the linear equation y = 0.3x + 0.9 represents an estimate of the average cost of gas for year x starting in 2002. The year 2002 would be represented by x = 1, for example, as it is...

*September 25, 2010 by Donna*

**Maths**

I have 40 questions, 4 marks given for a correct answer, 2 marks deducted for each wrong answer and 1 mark deducted for for each answer not attempted I attempt 19 and score 25 marks.how many questions did I get right

*November 18, 2014 by Chris*

**Math**

How would I describe a step-by-step procedure for adding two fractions with different denominators? The first thing you need to do is make the denominators the same. You do this by finding their lowest common multiple. We'll use this as an example: (2/3)+(3/8) The first ...

*June 21, 2007 by Bianca*

**Math**

Can someone help me correct this: The formula below gives a rule for the amount of medicine a child should have if you know the age of the child(a) and the amount , or dosage,(d) of the medine an adult would take.Find the child's dosage(d) for the given values of a and D. ...

*October 19, 2006 by Jasmine07202006*

**Precalculus**

I don't understand how rationalizing the numerator of tan(1/2)x=sin x/(1+cos x) results tan(1/2)x=(1-cos x)/sin x. The question is what do you multiply by to the first equation to get the second.

*November 9, 2013 by Anonymous*

**math**

At the first tri-city meeting there are 8 people from town A, 7 people from town b and 5 people from town c. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 from town b. I know that the probability for town A is 3/8 ...

*January 27, 2010 by Rmz*

**math [radicals]**

how do you multiply a radical with a regular number ? for example: 4radical2 ( 2+ 2radical3) first term: 4sqrt2 * 2= 8sqrt2 second term 2sqrt2 * 2 sqrt3= 2*2 * sqrt (2*3) = 4 sqrt6 first term: 4sqrt2 * 2= 8sqrt2 second term 2sqrt2 * 2 sqrt3= 2*2 * sqrt (2*3) = 4 sqrt6

*May 20, 2007 by courtney*

**PROGRAMMING**

1. Make a C program that will input two integers and then to enter an option as follows: • 1 = to add the two integers. • 2 = to subtract the second integer from the first. • 3 = to multiply the integers • 4 = to divide the first integer by the second integer. Display ...

*September 28, 2014 by ME-ANN*

**chemistry**

First of all, you need to know how many g of Mg actually reacted in the first reaction. You can determine this by determining the limiting reactant. The reaction is Mg + F2 -> MgF2 16.2 g of Mg is 16.2/24.32 = 0.666 moles 25.3 g of F2 is 25.3/38.0 = 0.666 moles So equal ...

*August 30, 2005 by drwls*

**Calculus AB**

The position function of a particle in rectilinear motion is given by s(t) = 2t^3 - 21t^2 + 60t + 3 for t ≥ 0. Find the position and acceleration of the particle at the instant when the particle reverses direction. Include units in your answer. So I've already gotten the ...

*December 13, 2016 by Anon*

**Chemistry**

General Chemistry 111 11/28/11 Chapter 9 Extra Credit Quiz Name: _____________________________ Section #______________________ Tetrahedral geometry has a bond angle of about 109.5 °. Given that a tetrahedron is made up of 4 equilateral triangles each of length x, what is the ...

*December 4, 2011 by Olayinka*

**physics**

The figure below shows a test charge q between the two positive charges. Find the force (in newtons) on the test charge for q = 1 µC. Give a positive answer if the force is to the right and a negative answer if the force is to the left. 2µC....-3cm-....q...-2cm-...3µC

*January 27, 2009 by julie*

**geometry-PLEASE CHECK AND HELP DUE TODAY**

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?

*May 3, 2010 by jessica*

**Language Arts**

I can't figure out the answer to this question. Which book would not help you find information about the planet Mars. A. Visitors from Mars. B. a history of Mars. C. U.S. Robots on Mars. D. A Journty to Mars Aboard Spaceship Spirit. I think the answer is A. Visitors from Mars...

*April 18, 2012 by stephanie*

**mathematics**

a math consist of 20 multiple choice questions 3 points are awarded for a wrong answer. no points and awarded or deducted for an answered questions. jenny attempted a total of 19 questions and her total score is above 32. find the minimum number of correct answer she obtained?

*September 27, 2016 by Anonymous*

**Calculus II**

y = *The Integral Of sin(4e^t)dt* a = 0 b = ln(2x) I'm supposed to find the derivative of y with respect to x. Except I just can't find the right answer.

*November 25, 2007 by Sean*

**Algebra**

Find the slope of the given line, if it is defined y = (x + 4)/7 I can't find the answer. I don't understand what went wrong with my calculation. Thank you.

*February 15, 2012 by Jane*

**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.

*November 27, 2016 by Please help!*

**math**

The math team in addville travled to subtractville for a math compertition. The bus averaged 40 mph from addville to subtractville but adveraged 60 mph during the return trip. What was the adverage speed of the bus for the entire trip? Thats the story problem i have to solve. ...

*September 28, 2008 by Hanna*

**Math check and question**

x is a binomial random variable. (Give your answers correct to three decimal places.) (a) Calculate the probability of x for: n = 1, x = 0, p = 0.15 P(x) = Correct: Your answer is correct. . (0.85) (b) Calculate the probability of x for: n = 3, x = 3, p = 0.15 P(x) = Incorrect...

*June 6, 2013 by Nora 57*

**Logarithm help**

using logarithms to solve exponential equations. 5^1+x = 2^1-x I need exact numbers. I did one on my own already. 5^x-1 = 9 5^x-1 = 9 log(5^x-1) = log9 (log5)(x-1) = log9 x-1 = (log9/log5) x= (log9/log5)-1 x = 2.3652 Logarithm help - Joe, Friday, September 18, 2015 at 10:55pm ...

*September 19, 2015 by Joe*

**drbob222, math , algebra**

Can you recheck this hopefully this time i did it correctly. Directions: Crafts. Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 12m, and the area is 224m ^2, find the length of the other base. My answer: 224 = 1/2h (B1 +B2) 224...

*December 19, 2006 by jasmine20*

**Physics**

Three spheres, each with a negative chrge of 4.0x10^6C, are fixed at the vertices of an equilateral triangle whose sides are 0.20 m long. Calculate the magnitude and direction of the net electric force on each spehere. I already posted this question and was given a solution. I...

*April 15, 2009 by Susan*

**math**

Round 0.681 to the nearest tenth. question 2: Estimate 17.64+9.213 by first rounding each number to the nearest tenth.

*May 3, 2012 by i need help please2*

**math,correction**

Problem states. which of the ordered pairs (0,0), (-2,10),(-1,-5),(-3,9) are solutions for the equation y=5x? my answer: all first three except the last pair. so yes to (0,0), (-2,10),(-1,-5) You are correct on (0,0) and (-1,-5). You are incorrect on (-2,10). y = 5x = -10 (not...

*January 26, 2007 by Jasmine20*

**Fractions**

If all of the followinf operations are present in a math calculation, which of them should always be done first? a. multiplication b. exponents c. brackets d. addition I believe the answer is c.

*July 30, 2008 by Jennyv*

**Math+Log**

Simplify the expression: The first 7 is regular size and the log7x are small (the second 7 is subscripted only). 7log7x = would the answer be 1? How do you work this?

*February 23, 2009 by Chopsticks*

**Math**

Sorry! I have another problem! 4-2y=4y I always get a bit confused if there's a minus sign in front of a number. The book says the answer is 2/3 So what I first did was. 4-2y=4y 4=6y which is 1 1/2, and wrong.?

*February 16, 2010 by Lea*

**8 th grade math**

there are 6cars,2 trucks, and 2 motorcycles in parking lot. what is the probability that the first vehicle will be a truck? choices are 1/10 ,4/5, 1/5 or answer not here . i answered 1/10 is this right

*May 14, 2012 by Anonymous*

**Biology**

Explain what happens at the first checkpoint If GO is prevented from occuring. Answer: these cells can be called back from the G0 phase to the cell cycle by external cues

*December 14, 2014 by HELP!*

**teachers aide curriculum comtent**

when are children first developmentally ready to begin learning science? (a)kindergarten (my answer) (b)fifth grade (c)junior high (d)high school according to recent science curriculum guidelines what percent of class time should students spend in hands on learning experiences...

*August 27, 2011 by susue*

**Factoring**

Factor Completely: 3t^3 + 5t^2 - 12t first take out the t so you have: t(3t^2 + 5t - 12) you should be able to factor it easily from there-- what numbers multiply to get (12 x 3) 36 and add to get 5? 4 and 9. so, you will take 9 and 4 and replace it with the 5, for -9t + 4t...

*April 6, 2007 by Adam*

**MATH**

1.The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find the length of one of the equal legs. A) 4 cm B) 5 cm C) 11 cm D) 12 cm answers 4x-8= 4(5)-8= 20-8= 12 2.3x - 2y = 6 answer X=4 and Y...

*December 7, 2007 by mary*

**math**

please help with the steps 36+9%3x5= do you multiply 3x5 first? 15 36+9=45 45%15=3 Please advise Thank you also the percent sign is supposed to be division sign

*December 26, 2007 by Ashley*

**Math**

Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?

*November 8, 2016 by Dan*

**math**

Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?

*November 10, 2016 by Clara*

**math**

Start with the integer 4. Subtract 8. From your answer subtract -2, and the subtract 17 from the last answer. What is your final answer?

*November 10, 2016 by Clara*

**hazard bctcs**

one aspect of the beauty of scenic landscape is its variability. The elevations (feet above sea level) of 12 randomly selected towns in the Finger Lakes Regions of Upstate New York are recorded here. 1117, 1360, 1009, 766, 1333, 1306, 577, 1144, 874, 658, 1306, 712. Find the ...

*May 22, 2013 by haley*

**Physics ~ missed this lecture pls help**

A thin converging lens of focal length 9.82 cm forms an image of an object placed 18.5 cm from the lens. Find the image distance. Answer in units of cm. What is the magnification for an object distance of 18.5 cm? Find the location of the image for an object distance of 4.06 ...

*April 28, 2011 by cr*

**Mathematics**

Help! I've tried this question and i don't come to a correct answer! The value of a property depreciated by 3.25% between 1997 to 2004, and appreciated by 2.75% between 2005 to 2008. In 1997, the value of the property was $75000, find its value in 2008. My workings: (75000/100...

*September 24, 2009 by Marrion*

**Trigonometry**

Please show me the work so i understand 2. Find the reference angle of -11π/3. 5. If θ = –18°, find the exact value of θ in radians. 6.If θ = 3, find the value of θ in degrees correct to the nearest tenth of a degree. 13.The radius of a circle ...

*December 12, 2012 by AJ*

**Math115**

The distance that light travels in 1 year (a light year) is 5.88 times 10 Superscript 12 miles. If a star is 4.6 times 10 Superscript 7 light years from Earth, what is this distance in miles? Enter your answer in scientific notation. Round the coefficient to two decimal places...

*October 2, 2016 by Brita*

**statistics**

Richard has been given a 5-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. The success occurs if Richard answers a question...

*November 9, 2010 by Anonymous*

**chenistry**

this is confusing me so bad!! Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation: N2(g)+3H2(g)→2NH3(g) If you have 5.79g of H2, how many grams of NH3 can be produced? I said, 2/3 *5.79 = 3.86 but that's not the answer.. it says the answer ...

*March 3, 2015 by Jennie*

**Check my answered questions.**

For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers. P1V1/T1=P2V2/T2 For ...

*May 2, 2008 by Lizy*

**Ecology & English**

I am writing my answer and my teacher wants me to give an example of parasitism and write a sentence explaining my answer. Is this a good answer also should I keep the semicolon or change it. Sentence: Wolves and deer; The deer are hunted and killed by the wolves in order for ...

*October 4, 2015 by Fairypenguingirl*

**Physics waves- check answers please**

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...

*April 27, 2014 by Liz*

**Physics waves- check answers please**

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...

*April 27, 2014 by Liz*

**Physics waves- check answers please**

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...

*April 28, 2014 by Liz*

**math**

Please help me to find the five-number summary of the following set of numbers.338, 226, 149, 391, 247, 501, 300, 223, 320 According to a definition I found online, "The five-number summary of the data consists of the minimum data point, the first quartile, the median, the ...

*April 23, 2007 by carmen*

**Physics**

An ice skater of mass 55.3 kg stops to tie his shoe and is at rest. A second ice skater of mass 32.7 kg is moving at a velocity of 15.9 m/s when he strikes the first ice skater. After the collision the second ice skater has a velocity of 7.5 m/s at an angle of 45.0 degrees ...

*April 3, 2008 by Chaz*

**Math**

The winner of the marathon at the 2004 Olympics in Athens was ________ with a time of 2 hrs 10 mins and 55 secs [2::10:55] The offical distance of the marathon is 42.195 KM. Estimate Baldinis average speed in KM per HR. Explain how you got the estimate.

*October 17, 2007 by Chelcie*

**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 ...

*January 8, 2011 by Demi*

**math30**

Sequences 1)A sequence has a first term of 24 and every other term is one half of the previous term. a)Write the first four terms of the sequence. b)Find a recursive formula that defines this sequence. c)Find an explicit formula that defines this sequence. This will be ...

*August 8, 2012 by alejandro*

**algebra**

1)Use synthetic subsitution to find f(-3)for f(x)=x^4-4x^3+2x^2-4x+6 answer= -15 2)One factor of x^3+2x^2-11x-12 is x+4. find the remaining factors answer= x-1;x-3 3)Which describes the number and type of roots of the equation x^3+121x=0 answer= 1 real root,two imaginary roots...

*August 17, 2007 by Marissa*

**history**

1)Who persecuted the Christians first ? -Jews. 2) Who did the Christians persecute? can you help me answer number 2 Thank you

*November 16, 2011 by mike*

**Chemistry**

Calculate the temp at which the reaction (2POCL3(g) -> 2PCl3(g)+O2(g))would become spontaneous. Given: DH= +572kJ and DS= 179 J/K. Would the answer be 298 K? I found DG to be 518.658 kJ, and then plugged in all the values to DG= DH-TDS. Or, should I ignore the DG, set DH-...

*April 11, 2010 by Anonymous*

**Algebra**

Use the quadratic formula to solve the equation. Give exact answers: 2x^2 -1 = 6x. The choices are: a) -3 + square root(7)/2, -3 - square root(7)/2 b) 3 + square root(11)/2, 3 - square root(11)/2 c) 3 + square root(7)/2, 3 - square root(7)/2 d) -3 + square root(11)/2, -3 - ...

*June 3, 2009 by Hope*

**math**

Alice wants to find all the price factors of the number you get when you multiply 17x11x13x7. She thinks she has to use a calculator to perform all the multiplications and then find the prime factorization of the resulting number. Do you agree? Why or why not? THX

*February 7, 2015 by Kyle*

**Math**

The demand equation for a product is: q=60/p + ln(65-p^3) A) Determine the point of elasticity of demand when p=4, and classify the demand as elastic, inelastic, or of unit elasticity at this price level. B) If the price is lowered by 2% (from $4.00 to $3.92), use the answer ...

*January 9, 2017 by pebbles *

**CALCULUS problem**

There are four parts to this one question, and would really appreciate if you could show and explain how you get to the answer, because I tried looking up how to find the answer myself, but nothing made sense. Thank you! 11. The region R is bounded by the x-axis, x = 1, x = 3...

*March 27, 2014 by Samantha*

**statistics**

Given that x is a normally distributed random variable with a mean of 60 and a standard deviation of 10, find the P(56 < x <74). Please show all your work and write your answer in a complete sentence. Using the information from question 1, what percentage of the ...

*July 23, 2012 by Rachel*

**7th Grade Math**

Hi, I really need help with this question because 1. I suck at geometry and 2. I'm lost but I think this is the answer. Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 9 ft. triangle height: 4 ft. prism ...

*March 2, 2016 by MusicLover14*

**Math**

Solve the equation or inequality for 3(2y-4)=9-3(y+1)The answer is 2. How do you work it out to get the answer? (x+5)(x-3)=9 the answer is -6,4 How do you work it out????

*December 12, 2010 by Megan Bill*

**algebra**

1)What is the distance between the museum and sailing club.I cant post the graph or anything but I have my numbers right its 53 but I used the distance formula so its either 53 units or the square root of 53 units. 2)Write the equation of the parabola y= 4x^2-8x+1 in standard ...

*August 20, 2007 by Marissa*

**ALGEBRA**

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting scheme? (Assume that each...

*November 26, 2011 by MONICA*

**physics**

An electron of kinetic energy 41 keV moves in a circular orbit perpendicular to a magnetic field of 0.330 T. (a) Compute the radius of the orbit. The answer to this part is 2.07mm. (b) Find the frequency of the motion. I'm not sure how to find the answer to this part. Compute ...

*August 5, 2007 by --pat--*

**calculus**

please help me Asap In 1970, the total enrollment in public universities and colleges in a country was 5.1 million students. By 2004, enrollment had risen to 14.3 million students. Assume enrollment can be modeled by exponential growth. (a) Estimate the total enrollments in ...

*May 16, 2013 by jeff*

**Math/Calculus**

Integrate: (2x^2+5)/((x^2+1)(x^2+4)) I came up with: (tan^-1)(x)-(1/2)((tan^-1)(2/x)) but it keeps coming back the wrong answer even though I integrated correctly. Is there a way to simplify this answer, and if so, how? Your answer is correct, but I think you are supposed to ...

*May 27, 2007 by COFFEE*

**geography**

The Alternative for the Americas agreement of the early 2000's is primarily aimed at A. creating a Latin American Union B. inviting foreign investment from Asia C. improving ties with the European Union D. excluding the United States from Latin America My answer is D, if this ...

*July 11, 2014 by Suzanne*

**Physics**

Two point charges, 3.0 µC and -2.0 µC, are placed 4.8 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and the 3.0 µC charge is at x = 4.8 cm. At what point(s) along the x axis is the potential zero? I know that between the two charges, the answer is 1.92 ...

*February 9, 2016 by Anonymous*

**Precalculus**

Suppose f(x) = 3^x a) Find x where f(x) = 1/27. b) Estimate the value of x where f(x) = 24. So, a) f(x) = 3^x f(1/27) = 3^1/27 b) f(x) = 3^x f(24) = 3^24 Don't know how to solve them :( Please Help!!

*February 10, 2010 by jh*

**Math**

420,983 +39,932 Estimate then find the sum

*August 29, 2013 by Sue*

**calculus**

Find the linear approximation of f(x)=\ln x at x=1 and use it to estimate ln 1.12. L(x)= . ? ln 1.12 \approx ?

*October 31, 2014 by Alessandra Romano*

**Math**

Find the linear approximation of f(x)=ln x at x=1 and use it to estimate ln 1.12. L(x)= ? ln 1.12 \approx ?

*November 1, 2014 by Joseph*

**Math**

Estimate. Then find the sum 540,943 + 382093

*October 6, 2015 by Allen*

**US History - need answer ASAP**

For a report i'm doing i need the following two: The political, social, and economic issues of Calvin Coolidge's philosophy & programs during his time in office; and the causes and effects of his programs on the US. i don't necessarily need the answer (tho i would appreciate ...

*July 7, 2016 by Amy*

**PHYSICS**

A light inflexible cable is wrapped around a cylinder of mass m1 , radius R , and moment of inertia about the center of mass Ic . The cylinder rotates about its axis without friction. The cable does not slip on the cylinder when set in motion. The free end of the cable is ...

*November 8, 2013 by Anonymous*

**English**

“Well that’s sculpture, making a ’74 Toyota look like a ’63 Corvette, only I didn’t think of it that way... I was doing good work, and I was making good money. A. to prepare the reader for a change in topic. B. to show Ramirez’s pride in discussing his work. C. to ...

*December 2, 2014 by Jim*

**physics**

a 1500 kg car travelling at 16.7 m/s to the south collides with a 6300 kg truck that is initially at rest at a stop light. the car and the truck sticks togetherand moves together after the collision. what is the final velocity of the two-vehicle mass? answer in units of m/s.. ...

*May 30, 2011 by OMAR*

**Algebra**

5<x-2<11 I'm very Confused on this Question. I know that the x should be in the middle of the answer and that the first number should be 5 or 7.

*January 19, 2016 by Troy*

**biology**

What regulary hit the earth for the first 600 million years of existence? What do scientists call this period of time? - Aseroids, and meteors hit the earth.What do scientists called this period of time ? I need help answer this question please. If the first question is right ?

*December 8, 2010 by joy*

**PHYSICS!!**

A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a distance of 8.1 m. ...

*October 18, 2008 by billy*

**Trig (math)**

1.) Write the complex number in trigonometric form r(cos theta + i sin theta) with theta in the interval [0°, 360°). 9 sqrt 3 + 9i 2.) Find the product. Write the product in rectangular form, using exact values. [4 cis 30°] [5 cis 120°] 3.) [4(cos 135° + i sin 135°)][6(...

*December 7, 2014 by Anonymous*

**science**

31. Two students collect information about the number of dandelions in a park. Based on their sampling, they estimate that there are 900 dandelions in the 300-square-meter city park. To determine the accuracy of their estimate, which of the following questions is necessary? A...

*August 17, 2015 by solanch*

**Art Help Please!!!!!**

The picture is black and white and it is two hands holding each other(Like a guy and girl holding hands). What type of drawings would this artist benefit from including in her portfolio of work? A. drawings that were of the same hands in diffrent positions B. drawings of the ...

*November 25, 2014 by Callie*

**English**

Indicate if written in First Person or Third Person 1. I watched Jason as he took his time putting on the roller skates. why had he told LeTenna he could really skate? I noticed that she had not been that impressed. Why did Jason always have to make up stories? I could tell ...

*October 30, 2013 by cici*

**Programming C++**

If we are using two data intergers and there answer is bigger than simple data intergers and we are givig computer long data integers for the answer but the answer is false . so i want to know why it is false?

*April 16, 2010 by Maryam*

**algebra2**

How do i enter my answer? so the question is Simplify: √3:(63x^5/(72y^6)) and for my answer i got x√3:(7x^2/(2y^2)) but my work page says: Enter example: For 4√3:(2), enter 4(2)^(1/3) so how do i enter my answer

*April 14, 2012 by Nancy*

**Science - Start of Physics**

I need help with the following: Given below is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity. For this one, I know the answer is 2m/0s, but I don't know if they want me to ...

*February 21, 2014 by Brady*

**Algebra 1**

Hello. Can someone show me how to 'multiply and express the product in simplest form.' If I can get a detailed example for the first one, I could go my own way for the other two. 1. x - 3 (_______)^3 . 1 2 (______)^2 x - 3 2. x^2 - 9 _______ . x^2 - 4 x + 2 _______ x - 3 3. x^...

*June 8, 2010 by Charlezetta*

**MATH**

A quiz consists of 90 multiple-choice questions, each with 4 possible answers (A, B, C and D). For someone who makes random guess , A is the correct answer for all the questions. If each right answer carries 4 marks and each wrong answer gives -1/4 marks, what probable marks ...

*July 18, 2016 by ANUP*

**Spanish: check answers**

16. Which sentence is correct? A. Yo no entiendo a la maestra. *B. Yo no entiendo a este libro. Possessive Adjectives 17. What would be the correct PA in Spanish? : Ellos tienen (their) libros. Answer:sus 18. What would be the correct PA in Spanish? : Ella tiene (her) libro. ...

*March 7, 2013 by Cassie*

**Science**

The question in the book says: A wave has a wavelength of 2mm and a frequency of 3 Hz. At what speed does the wave travel? I know the answer is 6, because the formula is Speed= Wavelength X Frequency, but I don't know how to write the final answer, it's going to be 6?? Can you...

*April 27, 2008 by Alek*

**math**

perform the following unit conversion. 296 0z= ___________ lb 18.5, 55.5, 37, 74 My Answer is 18.5 Perform the following conversion. 32kg= ______ lb 16,320,70.4,14.4 My Answer is 70.4 Some people feel that the ideal temperature for an office space is 72.0 F. What is the ...

*February 4, 2013 by Suzy*