# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 197-
## Chemistry

With which of the following AgNO3 makes a precipitate quickly? And what would be the reason? 1) C6H5Br 2)C6H5-CH2Br 3)(CH3)3-C-Br 4)C6H5-CH2-CHBr-C(triple bond)H 5)C6H5-CH2Br-CH=CH-CH3 I feel like that 1st one is most probably,not the answer as it is not

*asked by Shenaya on June 29, 2017* -
## Physics

When light of wavelength 391 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.72 eV. 1) What is the cutoﬀ wavelength of potassium? Answer in units of nm 2)What is the threshold frequency for potassium? Answer

*asked by Jason on May 11, 2012* -
## math,correction

is this correct: solve by using the quadratic formula 5x^2+x=3 what i keep getting is this: (-1 +/- sqrt 61)/(10) or should i reduce the denominator to 5 or is my whole answer incorrect? (-1 +/- sqrt 61)/(10) looks correct. You do not need to reduce it

*asked by jasmine20 on April 19, 2007* -
## Physics

A particle moves along the x axis. It is initially at the position 0.350 m, moving with velocity 0.110 m/s and acceleration -0.380 m/s2. Suppose it moves with constant acceleration for 3.50 s. (a) Find the position of the particle after this time. (b) Find

*asked by Luna on May 19, 2011* -
## physics

A particle moves along the x axis. It is initially at the position 0.280 m, moving with velocity 0.080 m/s and acceleration -0.240 m/s2. Suppose it moves with constant acceleration for 3.10 s. (a) Find the position of the particle after this time. (b) Find

*asked by John on May 18, 2011* -
## Chemistry

[2.0 mol (-285.91 kJ/mol)] + [1.0 mole (0 kJ/mol)] - [1.0 mole (50.61 kJ/mol)] = ??? I came up with the answer of -622.43 but im not sure what the correct amount of significant figures would be and why? would 0 kj/mol be considered significant making the

*asked by David on April 17, 2016* -
## physics

A concrete block of mass 244 kg hangs from the end of the uniform strut of mass 45.0 kg. Angle ϕ = 30.0° and è = 45.0°. (a) Find the tension T in the cable. N (b) Find the horizontal component of the force on the strut from the hinge. N (right) (c)

*asked by help on December 15, 2008* -
## Physics

There is a figure with a +2.0 UC charge on the left and a -2.0 uC charge on the right. P is in the center between the two charges. They are 5.0 cm apart. 1) Find the electric field 5.0 cm to the left of P. 2) Find the electric filed 5.0 cm directly above

*asked by Sammy on August 19, 2009* -
## physics

A concrete block of mass 244 kg hangs from the end of the uniform strut of mass 45.0 kg. Angle ϕ = 30.0° and è = 45.0°. (a) Find the tension T in the cable. N (b) Find the horizontal component of the force on the strut from the hinge. N (right) (c)

*asked by help on December 15, 2008* -
## Math

Find the monthly payment. Mortgage amount Annual percentage rate 2. $146,800 5.25% 30 years 4. $113,400 5% 15 years 6. Find the interest paid the mortgage in exercise 2. 8. Find the total interest paid for the mortgage in exercise 4.

*asked by Chol on July 7, 2014* -
## PHYSICS MOMENTUM

A(n) 3800 kg rocket traveling at 2500 m/s is moving freely through space on a journey to the moon. The ground controllers ﬁnd that the rocket has drifted off course and that it must change direction by 9.2 degrees if it is to hit the moon. By radio

*asked by Jaylee on December 12, 2010* -
## MOMENTUM AND SHM

A(n) 3800 kg rocket traveling at 2500 m/s is moving freely through space on a journey to the moon. The ground controllers ﬁnd that the rocket has drifted oﬀ course and that it must change direction by 9.2 degrees if it is to hit the moon. By radio

*asked by Jaylee on December 10, 2010* -
## Math

Find the dimensions of a box that will held twice as many cubes as a box that is 2 by 6 by 4...Find the volume of original box..(2) Find the volume of the new box..(3) find the dimensions of new box...

*asked by Isami on September 18, 2012* -
## math

a) The sales representative here tells you they also have two floor plans available, but they only have 54 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2 respectively. X+Y=54 or

*asked by sarah on May 16, 2011* -
## Statistics

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with

*asked by Danny on May 10, 2008* -
## Statistics

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with

*asked by Danny on May 11, 2008* -
## Calculus

How many critical points does the function f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to

*asked by Nikki on May 10, 2010* -
## Math

The angles of elevation θ and ϕ to an airplane are being continuously monitored at two observation points A and B, respectively, which are 5 miles apart, and the airplane is east of both points in the same vertical plane. (Assume that point B is east of

*asked by anonymous on March 17, 2019* -
## Business study

Percy modillane is 32 year old founder of tasty fish and chips enterprise. He always wanted to have his own business and took a business management course. He spend most of his time trying to find new methods to improve the quality of his fish and chips.

*asked by Tumelo koloti on May 17, 2015* -
## Chemistry Stoichiometry

1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) I am so

*asked by Gweedo8 on May 29, 2009* -
## chem

In the equation: 2Al+6HCl-->2AlCl3+3H2 Why is the hydrogen by itself instead of the chlorine? Al is above hydrogen in the activity series (sometimes called the electromotive force series); therefore, it replaces H. This is single replacement type reaction.

*asked by Amie on March 18, 2007* -
## Stat

Translate the following events into set notation using the symbols A and B, complement, union, intersection. Also give the probability of the event as determined from the table above. Fill in the table below with these values. {If you cannot construct the

*asked by Happy on June 6, 2011* -
## Math (trigonometry)

From a boat on the water, the angle of elevation of the drop of a cliff is 31°. From a point 300 m closer, the angle of elevation is 33°. Find the height of the cliff. the answer should be 2411 m. I had tan31° = h/x+(x-300) tan33° = h/x-300 ->

*asked by Sammy on December 3, 2012* -
## Math

Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is

*asked by Tim on May 2, 2016* -
## math (calc)

At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is the distance between the ships changing at 4:00 pm. Find the intervals of increase or decrease find the local maxiumum and

*asked by jeff on July 8, 2008* -
## National Junior Honor Society - HELP!

Since I'm in the NJHS, last Wednesday was my first meeting. We discuss the expectations, blah blah blah. Then we also discuss leadership positions. Like President, Vice President, Secretary, Reporter, Treasurer, and Committee Chairpersons. In the packet is

*asked by Laruen on October 7, 2012* -
## Agility Training

Please check my answer thanks :) The organization that excludes mixed breeds from its agility competition is the A. United Kennel Club. B. American Kennel Club. C. North American Dog Agility Council. D. Agility Association of Canada My answer is B

*asked by Mallie on January 13, 2009* -
## physics

A shopper pushing a cart through a store moves 30.0 m south down one aisle, then makes a 90◦ turn and moves 11.0 m. He then makes another 90◦ turn and moves 22.0 m. What is the magnitude of the smallest possible displacement the shopper could have? You

*asked by bianca on October 7, 2015* -
## algebra

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so

*asked by Gloria on April 12, 2007* -
## physics

If a particle of mass 5.7 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair? Give answer is m/s to the west. I tired to use: Vcm = mv/M. I plugged in (5.7)(10) +

*asked by Angie on February 28, 2010* -
## physics

Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.0 km/s to −19.4 km/s over a period of 1.85 years. (a) What is the total change in the asteroid's velocity? (Indicate the direction with the sign of

*asked by Brett on September 15, 2015* -
## sociology

The general trend of American's attitudes toward the unmarried has been from an attitude of _____ in the 1950s to an attitude of ______ in the 2000s A.) Non-acceptance; acceptance B.) Neutrality; non-acceptance C.) Non-acceptance; neutrality D.)

*asked by ashley on March 1, 2011* -
## sociology

The general trend of American's attitudes toward the unmarried has been from an attitude of _____ in the 1950s to an attitude of ______ in the 2000s A.) Non-acceptance; acceptance B.) Neutrality; non-acceptance C.) Non-acceptance; neutrality D.)

*asked by ashley on March 1, 2011* -
## history??

i would like to know what's the different between the two questions i know that the answer for the first question is plymouth but is the second question is it asking the same answer or what i am confused >????? The permanent settlement in new England was

*asked by KA on October 12, 2008* -
## calculus

v(t)= Ce^(k(square root(t)) Suppose that the dealer, who is 25 years old, decides to sell the card at time , sometime in the next 40 years: 0< or equal to t < or equal to 40. At that time , he’ll invest the money he gets for the sale of the card in a

*asked by lyna on May 23, 2012* -
## Chem: primitive cubic packing

Answer the following for a primitive cubic unit cell. For the type of packing answer, use letters (starting with A, then B, then C) without spaces and separated by hypens (-) to indicate the layers of solid present. type of packing =? type of holes =? #

*asked by Anonymous on February 13, 2009* -
## Proportional Lengths--Desperate for help!!!

The lengths in the figure are proportional. In the first figure- 3 on top, and 2 on the bottom In the second figure- 4 1/2 on top, and x on the bottom These are the choices that are written on my assignment. One is the correct answer. A. 4 1/2 B. 3 C. 2

*asked by Walter on February 25, 2007* -
## Chemistry

Silver ions may be recovered from used photographic fixing solution by precipitating it is as silver chloride. The solubility of silver chloride is 1.6 x10-3 g/L. Calculate the Ksp in __(answer) * 10-10 for silver chloride. Give the answer to one decimal

*asked by Deanna on May 28, 2019* -
## Chemistry

30.0 mL of 0.0200 mol/L NaOH are added to 70.0 mL of 0.0100 mol/L HCI. Calculate the [H3O+] and [OH─] of the resulting solution My answer: [OH-] = 1.00x10^-10 M; [H3O+] = 1.00x10^-4 M Teacher's answer: [OH-] = 1.00x10^-11 M; [H3O+] = 1.00x10^-3 M Am I

*asked by Sam on December 1, 2015* -
## trig

Given the function y = 3cos(3x + pi), identify: Amplitude (if applicable, give the answer in fractional form) Period (in radians as a multiple of pi - note: do not write "rad" or "radians" in your answer) Phase Shift (if the shift is right, enter + and if

*asked by kikine on February 13, 2013* -
## physic

A circus performer stands on a platform and throws an apple from a height of 50 m above the ground with an initial velocity v0 as shown in the figure below. A second, blindfolded performer must catch the apple. If v0 = 21 m/s, how far from the end of the

*asked by joy on January 30, 2018* -
## Statistics

You have an SRS of size n = 16 from a Normal distribution with standard deviation = 1. You wish to test H_0 :Î¼ = 0 H_a :Î¼ > 0 You decide to reject H_0 if x bar > 0 and to accept H_0 otherwise. a. Find the probability of a Type I error. That is, find

*asked by Ryan on May 6, 2012* -
## Safety

who is the father of occupational medicine in the United States I can't find anything on the web. Here is my suggestion: At the school, check the encyclopedia under Public Medicine, and Occupational Health. If that fails, call the local Public Health

*asked by Ashley on April 9, 2007* -
## Calculous (Finding Zeros!)

y = (x^2+2x-5) (x^3+3x^2-40x) Find the zeros ( 5 total zeros ) x = x = x = x = x = So would it be easier for me to distribute first then factor the whole mess out to find the x-intercepts that are the zeroes?. Or. factor (x^2+2x-5) and (x^3+3x^2-40x) and

*asked by Tyler on December 5, 2014* -
## Math

Find the equation of the perpendicular bisector of the line segment joining the points (1, 2) and (-2, 1) Does it mean I have to find the line. Then find a line that cuts that line in to half because perpendicular bisector

*asked by Lily on December 26, 2013* -
## Math

The null and alternate hypotheses are: H0: π1 ≤ π2 H1: π1> π2 A sample of 100 observations from the first population indicated that X1 is 70. A sample of 150 observations from the second population revealed X2 to be 90. Use the .05 significance level

*asked by John on July 24, 2012* -
## chemistry!!

If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will

*asked by stephanie on February 26, 2007* -
## Probability

A survey finds that 38% of kids like tv, 24% like radio, and 13% like both. A.Find percent of kids that like tv but not radio. B.Find the percent of kids that like neither tv or radio. C.Find the percent of kids like either tv or radio D.Find the

*asked by Tom on October 14, 2010* -
## Math

A survey finds that 38% of kids like tv, 24% like radio, and 13% like both. A.Find percent of kids that like tv but not radio. B.Find the percent of kids that like neither tv or radio. C.Find the percent of kids like either tv or radio D.Find the

*asked by Tom on October 14, 2010* -
## calc

find integral using table of integrals ) integral sin^4xdx this the formula i used integral sin^n xdx =-1/n sin^n-1xcosx +n-1/n integral sin^n-2 using the formula this is what i got: integral sin^4xdx=-1/4sin^3xcosx+3/4 integral sin^2xdx= -1/2sinxcosx+1/2

*asked by tom on February 20, 2011* -
## Algebra

(8m^7 - 10m^5) / 2m^3 Answer choices - 4m^7 - 5m^5 4m^4 - 10m^5 8m^7 - 10m^2 4m^4 - 5m^2, please show me your work Simplify into one fraction -2/x+3 - 4/x-5 answer choices - -6x - 2/ (x+3)(x-5) 6(x-1)/(x+3)(x-5) -6/(x+3)(x-5) Simplify into on fraction

*asked by PLEASE HELP ASAP on May 20, 2015* -
## Science check

I was wondering if someone could check the problems for me? Thanks I can go back and show work if needed..this was just easier to type out. 1)An object has a mass of 615 grams and a volume of 105cm3.What is the density of the object? answer 5.86 gm/cm3 2)

*asked by Anonymous on May 29, 2007* -
## algebra2

A package with square ends has combined length and girth(girth is perimeter of a cross section) of 120 in. The surface area of the entire package is 3600 sq. in. Determine the dimensions of the package. s in. * s in.* l in. One solution is: 11.08in. *

*asked by Chelsea:) on April 26, 2012* -
## Algebra 2

A package with square ends has combined length and girth(girth is perimeter of a cross section) of 120 in. The surface area of the entire package is 3600 sq. in. Determine the dimensions of the package. s in. * s in.* l in. One solution is: 11.08in. *

*asked by Nancy on April 29, 2012* -
## please help me with my engineer project

I am working on an Engineer project about Digital clock I research my project on the Digital Clock, but i could not find any webcite that has the answer to these questions 1. What your part is and how it works? 2. Companies that make this kind of

*asked by shylo on November 28, 2007* -
## social studies

I have completed my education but can't find a job. How can I organize politically to change this situation within the norms of Canadian politics? Work to get your Native population better conditions. Always a needfull situation. What kind of job are you

*asked by Sheri on November 23, 2006* -
## AE

Answer the following: Taking either the constructivist theory of education or the behaviorist theory of education, write a 700-1,050 word paper in which you describe your ideals for effective classroom management. In separate paragraphs describe your

*asked by scooby91320002 on April 12, 2009* -
## algebra

Month Price April (x=1) 114 May 108 June 87 July 100 August 95 September 112 October 93 November 86 December 64 Please show work. This is the answer I got: 13/17 22 hours ago - 3 days left to answer. Additional Details I think it was suppose to a slope

*asked by cjl on November 2, 2009* -
## grammar

please check and let me know if this is correct. What the teacher is asking for for the sentence be changed to is to the left. Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to

*asked by ann on July 17, 2007* -
## Geometry

Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true? A. Quadrilateral ABCD is a square. B. Quadrilateral ABCD is a rhombus. C. Quadrilateral ABCD is a rectangle. D. Quadrilateral ABCD is an isosceles

*asked by Lauren on July 5, 2017* -
## math - question

In a television game show, there are five questions to answer. Each question is worth twice as much as the previous question. If the last question was worth $6400, what was the first question worth? is the answer 400

*asked by anonymous on May 12, 2009* -
## Repost - Geometry question

"please help me" posted this earlier: If m angle sign 1=37 degrees what is m angle sign 4 My answer: 43 degrees which is wrong. Correct answer: 37 degrees I don't understand how to do this.

*asked by Writeacher on June 5, 2014* -
## science math

how many decimeters are there in a decameter Go back to my post and count. Then post your answer here. You can check your answer at google but I will be happy to check it also. 100 decimeters. I'm sure of it! Decimeters

*asked by alejandra on September 11, 2006* -
## Math

Can someone explain this question? For a set of scores, will the interquartile range always be less than the range? Explain your answer with an example. My answer would be yes the interquartile will always be less than the range.Is this correct? But I

*asked by B.B. on July 29, 2009* -
## Physics

A man is pulling on a rope with a force of 86 N directed at an angle of 64◦ to the horizontal. What is the x-component of this force? Answer in units of N What is the y-component of this force? Answer in units of N

*asked by Katrina on November 2, 2013* -
## Math 7

On a county map, 2 towns are 80 km apart. If the scale on the map is 1 cm = 5 km, how far apart are the towns on the map? Answer - ________________ cm 1 cm = 5 cm it's like a pattern ... so you multiply 80 times 5 which = 400 so the answer is

*asked by Laruen on May 15, 2012* -
## math

14.9-10.1 They wanted me to choose the best estimate. What does estimate means? they arived at the answer 5. Estimate means to take an educated guess at the answer. In this problem, 14.9 is almost 15. 10.1 is about 10. 15 - 10 = 5. Oh thanks. I understand

*asked by Mack on June 26, 2007* -
## physics

A man is pulling on a rope with a force of 72 N directed at an angle of 55◦ to the horizontal. What is the x-component of this force? Answer in units of N. What is the y-component of this force? Answer in units of N.

*asked by laura on September 11, 2010* -
## ethnic class

I need help in answering these questions. Please help me answer and get a good understanding as of why so i can keep reviewing for my final exam. The exam won't be till 3months from now but i truelly want to understand the concept of these answers of what

*asked by Jasmine07202006 on October 18, 2006* -
## Business Coomunication

Claim Letter: Parking Issue Affects Company Interns Watkins Industries owns several condominiums used to house its interns during their short-term assignments. In your position as a human resources manager, you received the following email from one of the

*asked by Hamza on June 28, 2010* -
## third side

If one angle and two sides of a triangle are given, how to find the third side? This is for solving a 9th grade geometry problem of finding the distance from earth to venus You can use a standard formula for the side of the triangle that must be mentioned

*asked by Jen on November 10, 2006* -
## com

Is the below paragraph and evaluation? Hockenbury and Hockenbury present important information and raise some interesting questions about how daily hassles affect our lives. In a few paragraphs, they present a great deal of information on the subject of

*asked by William on April 20, 2011* -
## Calculus 1A

I am trying to find: dy/dx for y = sec(tan x) I have the answer, but I have no idea how to get there. I know that the derivative of sec x = sec x tan x and that the derivative of tan x is sec^2 x. But sec doesn't have an x, so ...?

*asked by Mary on March 26, 2013* -
## math

6. Find the z-score related to the raw score, mean, and standard deviation as follows. Assume a normal probability distribution. Raw Score50, 45, and 4.ìó=== 7. What is the Z score of a raw score 1.6 standard deviations below the mean? (See Page 540), 8.

*asked by harmony on August 16, 2010* -
## Accounting

I am struggling with the operating activities section of this as in what titles of accounts I should use in this section and do they decrease or increase the net income 2005 2004 Assets Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 53,875

*asked by Tricia on October 21, 2007* -
## trigonometry

3. write tan (π/4-β) as a function of β only. 8. write cos(λ+ π/3) as a function of λ only. 16. Write cos(–83°) as a function of a positive angle. 23. Write sin(125°) in terms of its cofunction. Make sure your answer is a function of a positive

*asked by yoshi on December 18, 2012* -
## physics

The width of the doorway is 83 cm, and the speed of sound is 343 m/s. Find the diffraction angle when the frequency is each of the following. (a) 4.8 kHz If theta is the diffraction angle. Sine(theta)= lambda/slit width where lambda = wave length so you

*asked by Cavin on May 1, 2007* -
## Mathematics

1. Show that Sin3 Theta - Cos2 Theta = (1 - Sin Theta)(4Sin^2 Theta + 2Sin Theta - 1). Without using a calculator, show that Theta = 18 degrees is an exact solution of the equation Sin3 Theta = Cos2 Theta. Justifying your answer, find the exact values of:

*asked by Edwards on August 3, 2011* -
## physics

Four forces are acting on an object in static equilibrium: Force 1 has a magnitude of 46.0 N and is acting at an angle of (54) degrees above the positive x-axis. Force 2 has a magnitude of (42) N and is acting along the positive x-axis. Force 3 has a

*asked by dalia on February 8, 2017* -
## Physics - URGENT

Four forces are acting on an object in static equilibrium: Force 1 has a magnitude of 46.0 N and is acting at an angle of 52 degrees above the positive x-axis. Force 2 has a magnitude of 29 N and is acting along the positive x-axis. Force 3 has a magnitude

*asked by Anonymous on September 25, 2015* -
## Science ASAP please

1. Which of these sources of energy is NOT renewable? (1 point) wind solar power hydroelectric power natural gas 2. Air can be polluted by ____. (1 point) tiny particles of soot carbon monoxide sulfuric acid all of the above 3. Which of the following can

*asked by Delilah on March 27, 2013* -
## Cal 1

A trough is 10 ft long and 2.6 ft across the top. Its ends are isosceles triangles with an altitude of 2.1 ft and vertex down. Water is being pumped into the trough at a rate of 2.4 ft3/min. How fast is the water level rising when the water is 1.39 ft

*asked by ninzyy on November 3, 2011* -
## Physics (Rotation)

In Fig. 10-28, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint:

*asked by M on March 2, 2012* -
## English

Ethan Frome test please check my answers and correct them if they are wrong 4. Which word best describes the atmosphere, or mood, of the Prologue and Chapter I? A. jolly B. comfortable C. severe D. superstitious B is wrong Answer c 11. What kind of

*asked by Michael on February 8, 2017* -
## English

Ethan Frome test please check my answers and correct them if they are wrong 4. Which word best describes the atmosphere, or mood, of the Prologue and Chapter I? A. jolly B. comfortable C. severe D. superstitious B is wrong Answer c 11. What kind of

*asked by Michael on February 8, 2017* -
## Reading

The idea of Mr. Collins, with all his solemn composure, being run away with by his feelings, made Elizabeth so near laughing that she could not use the short pause he allowed in any attempt to stop him farther, and he continued: "My reasons for marrying

*asked by Hellppp on April 17, 2017* -
## Physics 2

1.) The microwave protion of the spectrum has wavelengths ranging from 1 mm to 1 m. find the corresponding frequency? 2.) An AM radio station has a wavelength of 300 m. find this station’s frequency? 3.) A) Canadian FM radio station (CLAW) broadcasts

*asked by seanmarch58 on July 27, 2014* -
## Math - Working with Logs!!

On September 26 2001, an earthquake in North Bay measured 5.0 on the Ritcher scale. What is the magnitude of an earthquake 3 times as intense as North Bay's earthquake? I would post my answer, but in text, it's just confusing and I can't post picture links

*asked by Anonymous on December 11, 2007* -
## Physics, please!

Bill kicks a rock off the top of his apartment building. It strikes a window across the street 17 m away. The acceleration of gravity is 9.8 m/s2 . If the window is 22 m below the position where Bill contacted the rock, how long was it in the air? Answer

*asked by arielle on November 8, 2014* -
## Calculus

Suppose that the machinery in question costs $104000 and earns profit at a continuous rate of $69000 per year. Use an interest rate of 9% per year, compounded continuously. When is the present value of the profit equal to the cost of the machinery? Round

*asked by Erika on December 1, 2010* -
## physics 2

A charge, q1, of +4.4 micro-coulombs and another unknown charge, q2, are surrounded by a surface. The total flux through the surface is -9.2 x 106 (N m2)/C. These charges are now placed on the x axis. q1 is placed at x = 0, and q2 is placed at x = +114.51

*asked by Jessica on January 25, 2013* -
## Physics

A hockey puck is hit on a frozen lake and starts moving with a speed of 12.1 m/s. Four seconds later, its speed is 6.7 m/s. What is its average acceleration? The ac- celeration of gravity is 9.8 m/s2 . Answer in units of m/s2. What is the average value of

*asked by Mikayla on November 2, 2016* -
## college math

Give the equation of the line that is perpendicular to the line y = x + 4 and passes through point (0,-1). A) y = x - 1 B) y = x + 1 C) y = -x + 1 D) y = -x - 1 So if passes through point o,-1 does that mean that the answer has to be negative? Answer A

*asked by Ms. Betty on September 3, 2009* -
## maths

for this equation x^2 - x = 0 would x = 1 i think this is the answer but i need to write it out step by step in how i worked the answer out, can any one help me please?? factor (x+1) (x-1) =0 so solve each little equation x+1=0 x=-1 and x-1=0 x=1 so both 1

*asked by sarah on June 7, 2007* -
## Math

1. The quadratic equation -3x^2 – x = 10 has two real solutions. (true or False) Justify your answer. 2. If (2x – 3) (x + 5) = 8, then either 2x – 3 = 8 or x + 5 = 8. (True or False) Justify your answer.

*asked by Annika on August 8, 2014* -
## math

emily's age divided by 3 in algebraic expression? My answer is e / 3 am i right or wrong? the product of r and 8 in algebraic expression? My answer is 8 * r am i right or wrong?

*asked by Miki on October 27, 2013* -
## Calculus

A is the doubling time for y=26e^0.5t, and B is the doubling time for y=13e^0.5t. Then (a) A=2B (b) B=2A (c) A=B (d) A=(ln2)B The correct answer is A, right? I just want to make sure I got the correct answer.

*asked by Kiki on October 5, 2017* -
## MTH 156

2^6 * 2^7 multiply and simplify and then write the answer in exponential notation. I know the answer is 8,192 but I cannot figure out how to write that in exponential notation. Thanks for the help.

*asked by Bella on August 5, 2015* -
## Spanish

(Querer) saber qué pasó. What would be the correct answer for the above statement. My answer is Quería saber qué pasó.

*asked by Pat summers on April 4, 2013* -
## Algebra

Imagine you owe someone $20. Represent this with an integer. My answer: -20 Imagine someone owes you $50. Represent this with an integer. My answer: 50 Are my answers correct?

*asked by Anon on May 28, 2015*

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