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

143,010 questions, page 243
1. ## algebra

A certain region is losing about 12 million acres of rain forest each year. A. Find a linear function f that calculates the change in acres of rain forest in millions in x years. B. Find f(8) and interpret the results

asked by Rhonda on April 10, 2013
2. ## Chemistry

I need to find the tested and published pH values of the following solutions: (1) 1.0 M NaCl (2) 1.0 M sodium acetate (3) 1.0 M sodium sulfate (4) 1.0 M Sodium Bisulfate (5) 1.0 M Sodium Carbonate (6) 1.0 M Ammonium Chloride\ Is there a reliable MSDS

asked by Really Need Help on March 6, 2012

Given the curve x^2-xy+y^2=9 A) write a general expression for the slope of the curve. B) find the coordinates of the points on the curve where the tangents are vertical C) at the point (0,3) find the rate of change in the slope of the curve with respect

asked by Aparna on January 25, 2013
4. ## from pg 2...Dr.Bob.

Sorry but I have just a few more Q'sfrom what you said And something that I saw today. Actually I was talking about specific course exams. I've been out of touch for awhile so I don't know all the rules about GRE, SAT, GMAT, etc. Do you mean that I ask

asked by ~christina~ on March 27, 2008
5. ## biology

Extremophiles are organisms that thrive in extreme environments. For instance some species of bacteria live in the thermal vents of Yellowstone National Park while others live in the polar ice caps. As you might imagine, these bacteria have some rather

asked by neka on October 15, 2007
6. ## math

The weekly demand and supply functions for Sportsman 5 X 7 tents are given by the following respective functions where p is measured in dollars and x is measured in units of a hundred. Find the equilibrium quantity. Find the equilibrium price.

asked by Anastasia on September 21, 2012
7. ## Trig

how do i find the exact value of s [pie/2, pie] sin s = radical2/ whole number 2 what is s in radians? how do i figure this out without the use of a calculator. I drew the graph and located it in the second quadrant and i think the triangle is a 45-45-90

asked by ALISON on September 15, 2011
8. ## Stem Cell Research

Hi I need to find 4 articles about stem cell research. 2 need to be ones that just support it and 2 the just oppose it. Does anyone have any link of web sites where I can find this. It can't talk about both it has to oppose or support. Also a website would

asked by Rebekah on February 27, 2010
9. ## Physics Electric

The electric potential in a region is given by V(x,y,z) = -10.0x^2 + 20.0xyz + 6.0y^3 a) Find the electric field that produces this potential? b) Find the amount of charge contained within a cubic region in space 20 cm on a side and centered at the point

asked by LS on December 6, 2014
10. ## Chemistry

I need to find the pH of a 500 mL solution of pure water after adding 33.0 mg of H2SO4 and 18.0 mg of HCl. Please help! So far I have tried to find the moles of 33.0mg of H2SO4 and got 3.24. Then I calculated pH by multiplying the subscript of H (2) by the

asked by Nicole on November 27, 2016
11. ## Physics

A fan rotates from rest and accelerates 1 rad per square second for 1 second find the angular velocity if 1 round= 2 pi find the complete no of rounds the fan rotates at constant velocity during second half of its motion

asked by Zainab on April 12, 2011
12. ## Math

Find the equation of the line tangent to curve x=sec(t), y=tan(t), at t=pi/6. I found th slope(derivative of the two which was csc(t). Plugged in Pi/6 and got 2 as the slope. Now how do I find the equation of the tangent? There are like two equations to

asked by Beth on December 17, 2015
13. ## Calculus

a) Find the Taylor series associated to f(x) = x^-2 at a = 1. Be sure to show the general term of the series. b) Find the radius of convergence of the series. c)Use Lagrange's Remainder Theorem to prove that for x in the interval of convergence with x > 1;

asked by laura on August 8, 2011
14. ## matc

If a manufacturer charges q dollars each for footballs, then he can sell 3000-150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football.

asked by lili on January 14, 2010
15. ## math question

-The product of all the positive factors of 20 ( including 20) can be written2^x.5^y. Find x+y. -The number 18 is equal to 2 times the sum of its digits: 1+8=9. 2x9=18. There are 4 two digit numbers that are equal to 4 times the sum of their digitss . Find

asked by Sony on March 13, 2013
16. ## physics

?????Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. SO g*m1+g*m2=104.86 N = mgcos(θ) N= (104.86)(9.81)Cos? Where do i find cos?

asked by tommy on September 9, 2010
17. ## Math

Okay so I have to find how many total squares are in an 8 by 8 checkerboard. I have a roman letter thing that kinda looks like a capitol 'e' but without the middel line. On the bottom I have N=1 on the side of it i have N^2 and 8 on the top. Can anyone

asked by Cameron on October 2, 2007
18. ## Physics

A simple pendulum in a certain planet is found to vibrate 50 times in 100s. Find its (a) period, (b) its frequency. (c) When 1.5m of its length is cut, it vibrates 50 times in 50 s. Find the original length of the pendulum. thanks in advance

asked by david on February 16, 2013
19. ## physics

We couldn't find "The mass density of brain matter is 1.040 g/cm^3, and of that, the mass fraction which is hydrogen, is 0.107. Find the number of hydrogen protons in a volume of 1cm^3 of brain tissue"

asked by stephanie on April 11, 2011
20. ## calculus

To find the equation of a line, we need the slope of the line and a point on the line. Since we are requested to find the equation of the tangent line at the point (64, 8), we know that (64, 8) is a point on the line. So we just need to find its slope. The

asked by maura on September 14, 2012
21. ## Algebra

The neighborhood skateboard club is starting a fundraiser in order to buy more skateboards. They have decided to sell logo mugs. The Mugs on Mugs Company offers to supply mugs to the club for \$3.75 each plus a \$55 process and handling fee. The Punny-Cups

asked by Jordan on October 16, 2009

The neighborhood skateboard club is starting a fundraiser in order to buy more skateboards. They have decided to sell logo mugs. The Mugs on Mugs Company offers to supply mugs to the club for \$3.75 each plus a \$55 process and handling fee. The Punny-Cups

asked by Jordan on October 16, 2009
23. ## Calculus I

Problem: A hot air balloon rising straight up from a level field is tracked by a range finder located 500 feet from the point of liftoff. Express the balloon’s height as a function of the angle the line from the range finder to the balloon makes with the

asked by Mercury30 on September 2, 2008
24. ## Math- Statistics

A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. * a. This sample of 36 has a mean value of , which belongs to a sampling distribution. Find the shape of this sampling distribution. *

asked by Tammy on February 8, 2011
25. ## algebra

You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the

asked by kms on June 7, 2017
26. ## math

You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the

asked by kms on June 7, 2017
27. ## Math

In the month of April 9.45 inches of rain fell in Tallaassee. During the month of May, 9.6 inches of rainfall fell. Which month had the most rainfall, and what was the total for the two months? Answer: May had the most; the total was 19.05 inches Can you

asked by Patrick on March 2, 2016
28. ## College Math

A block with a mass of m = 31 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 11 N. The second has a magnitude of F2 = 22.75 N and acts on the

asked by John on October 9, 2014
29. ## Algebra

I'm not sure if anyone saw my question yesterday, but here it is again. Even if you can only answer 1 or 2 of the questions, that is fine. I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the

asked by Alexandria on October 26, 2008
30. ## chemistry

Three part question Two students each measured the density of a quartz sample three times: Student A Student B 1. 3.20g/mL 2.82g/mL 2. 2.58g/mL 2.48g/mL 3. 2.10g/mL 2.59g/mL mean 2.63g/mL 2.63 g/mL a. which student measured density with the greatest

asked by Rachel on February 11, 2014
31. ## finance 200

14. Lear, Inc., has \$800,000 in current assets, \$350,000 of which are considered permanent current assets. In addition, the firm has \$600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its permanent current assets with

asked by finance question on November 22, 2009
32. ## physics

A ball of circumference 74.2 cm and mass 605 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.) (a) Calculate the buoyant force on the

asked by HELP!!!! on April 16, 2011
33. ## Math

What is the percent increase in the population for all six inhabited continents from 1950 - 2000? 1950 2000 N.America 221,000,000 305,000,000 S.America 111,000,000 515,000,000 Europe 392,000,000 510,000,000 Africa 229,000,000 889,000,000 Oceana 12,000,000

asked by Anonymous on August 28, 2009
34. ## Grammar-agreement errors

Match the Correct agreement error to the sentence. a. Verb tense agreement error b. Subject/verb agreement error c. Pronoun agreement error d. Modifier placement error e. Parallel structure error 1. The restoration appear to be excellent, as do the

asked by Leslie on May 13, 2011
35. ## Biology

PLEASE CONSIDER EACH OF THE FOLLOWING CHANGES SEPARATELY. Be sure to enter the sequence using the 3-letter abbreviations (for example, Ala-Gly-Ser), where the left most amino acid of your answer represents the first amino acid of the polypeptide. Another

asked by youlifex on October 23, 2013
36. ## Physics Classical Mechanics

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 21, 2013
37. ## physics

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 18, 2013
38. ## PHYSICS(HELP)

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by michael on October 19, 2013
39. ## physics

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 17, 2013
40. ## PHYSICS (HELP)

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 21, 2013
41. ## Physics

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 17, 2013
42. ## PHYSICS(HELP)

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 18, 2013
43. ## Calculus

Great! I understand now that C0=f(a) c1=f'(a) c2=f"(a)/2 Now, If I am to find the parabolization of the equation x^2-x at x=2, then c0=x^2-x=2^2-2=2 c1=2x-1=2(2)-1=3 c2=2/2=1 So, the equation (taken from c0+c1(x-a)+c2(x-a)^2) is >> 2+3(x-2)+1(x-2)^2?? Is

asked by Matt on November 13, 2006
44. ## US History

1. The legislative agenda of Carter Administration during its first two years: A. was successful B. was criticized by many cabinet members for not attempting to introduce enough important legislation. C. was criticized by Congressional leaders for

asked by anthony on November 24, 2010
45. ## Psychology

Is my answer correct I said the correct answer is D Regarding cultural differences in self-esteem, which of the following statements is/are TRUE? a. People from Eastern cultures are more likely to engage in self-criticism. b. The self-esteem for people

asked by Marilyn on November 22, 2011
46. ## Texas Government

What term best describes the Texas legislature? a. moderate professional b. citizen c. moderate professional/citizen d. congressional I would say C is the answer from this paragraph. Today the Texas legislature falls between those legislatures that are

asked by HM on November 6, 2011
47. ## College Algebra

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000

asked by Anonymous on June 2, 2014
48. ## Mathematics of INVESTMENT

Q: Ms. Parker deposits \$8000 in one simple interest account and \$2000 in a second simple interest account. The interest rate on the \$8000 account is 2% more than the rate on the \$2000 account. If the total yearly amount of interest earned on the \$8000

asked by Princess on November 9, 2015
49. ## English Lit

I have a question about Henry II. What did he do that solidified his power as king but led to economic problems and helped incite conflict with the church. The possible answers are: Executed all Bishops who were opposed to his rule Gave enormous finiacial

asked by Emily on January 29, 2012
50. ## Calculus

Suppose f(x)= e^(-1/x). Graph this function in the window -5(

asked by George on November 8, 2009
51. ## statistics

a study found that the average time it took a person to find a new job was 130 days. If a sample of 36 job seekers was surveyed, find the 95% confidence interval of the mean. Assume the standard deviation of the sample is 12 days.

asked by dell on March 19, 2010
52. ## pre-calculus

At a selling price of \$ 54 , a lamp company breaks even on total sales of \$ 3564 . If the company's overhead is \$ 396 , find the marginal production cost per lamp and find the profit on sales of 145 lamps.

asked by Anonymous on September 15, 2014
53. ## physics/maths help damon or steve or scott

A body moves in a straight line,with initial velocity and uniform acceleration.find how far it travels in 12sec.,given that it travels 246m in the first 6 sec.,and 69m in the last 3sec.find the initial velocity. Please show step

asked by weryiyemi on March 22, 2017
54. ## physics

A warehouse worker pushes a crate along the floor, as shown in the figure , by a force of 10.0 N that points downward at an angle of 45.0 degree below the horizontal. A. Find the horizontal component of the push. B.Find the vertical component of the push.

asked by andrea on February 2, 2011
55. ## Physics

a 600 gram cart is pulled along a table with no friction by a string attached to a 200g mass hanging over a pulley. find the acceleration. Find the acceleration if the cart is inverted so it slides and the coefficient of friction is 0.2

asked by Phil Miles on January 6, 2013
56. ## physics

A child ties a rock to a string and whirls it around in a horizontal circle. Assuming a 1.50 m -long string making 20.0 ∘ angle below the horizontal, find the speed of the rock. Find the period of its uniform circular motion.

asked by missy on February 9, 2016
57. ## calculus

find derivative y= 3x^5-6x^3/7secx find dy/dx * xcosy= 5( y+cosx) * X^5-Y^3+8XY=466 * A RIGHT TRIANGLE HAS LEGS OF LENGTH 15M AND 7M. THE 7M LEG IS NOT CHANGING. 15M LEG IS GETTING LONGER AT RATE OF 8M PER SECOND. SO WHAT IS RATE OF CHANGE OF THE

asked by aisha on December 16, 2012
58. ## Calculus

Suppose f(x)= e^(-1/x). Graph this function in the window -5(

asked by George on November 9, 2009
59. ## Chemistry

The binding energy of electrons in a metal is 194 kJ/mol. Find the threshold frequency of the metal. ----------------- The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g

asked by James on November 28, 2012
60. ## math

The cost in \$ of making "x" leaf blowers is given by C(x)=45x+6000. Each blower can be sold for \$60.00 a)find revenue function b)find equation that expresees that profit for selling "x" leaf blowers. c)How many units must be sold to break even?

asked by jack on September 15, 2012
61. ## physics

A 3.25-kg object is attached to a vertical rod by two strings as shown in the figure below. The object rotates in a horizontal circle at constant speed 6.60 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N

asked by jojo on March 28, 2016
62. ## statistics

Help me! Population of heights of college students is approximately normally distributed with a mean of 64.37 inches and standard deviation of 6.26 inches A random sample of 74 heights is obtained. Find the mean and standard error of the x bar distribution

asked by anon on November 6, 2011
63. ## statistics

A charity believes that when it puts out an appeal for charitable donations the donations it receives will normally distributed with a mean of \$50 and standard deviation of \$6, and it is assumed that donations will be independent of each other. (i) Find

asked by Probability on February 15, 2011
64. ## PHYSICS

A warehouse worker pushes a crate along the floor, as shown in the figure , by a force of 10.0 N that points downward at an angle of 45.0 degree below the horizontal. A. Find the horizontal component of the push. B.Find the vertical component of the push.

asked by mely on February 2, 2011
65. ## Math

At a selling price of \$ 54 , a lamp company breaks even on total sales of \$ 3564 . If the company's overhead is \$ 396 , find the marginal production cost per lamp and find the profit on sales of 145 lamps.

asked by Irina on September 15, 2014
66. ## Light Energy Problems

The binding energy of electrons in a metal is 194 kJ/mol. Find the threshold frequency of the metal. ----------------- The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g

asked by Amy on November 27, 2012
67. ## English

i don't know if you remember helping me with my poem analysis on Amulet by Ted Hughes, but i need more help. i don't know what i'm doing wrong here but i can't find what i'm looking for. So why do you think Ted Hughes wrote this??? what do you think he

asked by HELP Writeacher on November 25, 2007
68. ## Calculus

Find the intervals where the function f(x)=((2x-1)^2)(x-3)^2 is concave up and concave down and find all inflection points. Give decimal answers using two decimal place accuracy. Please help me!!! I really don't understand! and please show your work so

asked by Sam on March 17, 2011
69. ## Maths

There are 20 questions in a test. Faye answers 17 correctly. a. What fraction of questions does faye answer correctly? b. What percentage of the questions does Faye answer correctly?

asked by Joe on January 14, 2016
70. ## math

Yesterday Lucy walked 2 hours and jogged 1/2 hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she

71. ## Physics

A concave mirror has a radius of curvature of 1.61 m. Calculate the position of the image produced when an object is placed 2.66 m from the mirror. Answer in units of m. Calculate the position of the image when an object is placed 0.492 m from the mirror.

asked by Anon on May 1, 2018
72. ## chemistry

1)Which of the following single bonds has the greatest bond energy? B-F B-Cl B-I B-Br 2)What is the % ionicity of the bond you chose above? (answer in full percent, not a fraction) 3)What is the % ionicity of the weakest single bond above? (answer in full

asked by ocre on April 5, 2015
73. ## Government

1. Not all resolutions need presidential approval, as do bills becoming laws. True False I think the answer is true because there are certain resolutions like joint and concurrent resolutions and joint require presidential approval while concurrent does

asked by Morgan on July 4, 2016
74. ## Statistics help please :)

To whoever responds, thanks for your help :). Astrids (*) signify my answer. 1. Find the least squares regression line for the dataset in the table x|y 3|1 4|5 8|11 10|21 a. y=2.55x-6.435 b. y=2.55x+6.435**** c. y=1.477x+1.477 d. y=1.698x 2. y=2,060-0.186x

asked by Jai on March 19, 2019
75. ## journalism

Hi I'm supposed to write a story on the school's CSTs scores and eve though I have tried, I haven't been able to find a website with school's scores. If you could find it, I would be very pleased. Thank you in advance Thank you for using the Jiskha

asked by Claudia on April 3, 2007
76. ## algebra

This one really threw me off... find the slope of the line containing the points (x, 2x) and (x + h, 2(x +h)) You have to first find the slope, which is change in y over change in x: {[2(x-h)]-2x}/[(x+h)-x] (2x-2h-2x)/(x+h-x) -2h/h m=-2. i don't have an

asked by dee on January 23, 2007
77. ## physics

A trapdoor on a stage has a mass of 20.8 kg and a width of 1.58 m (hinge side to handle side). The door can be treated as having uniform thickness and density. A small handle on the door is 1.41 m away from the hinge side. A rope is tied to the handle and

asked by Tim on June 22, 2012
78. ## Maths

Marcus and Rachel want to save up \$25 000 for a deposit on an apartment in 6 years' time. They aim to pay around half the deposit each. Marcus invests an inheritance of \$9000 in a bank account where it earns 8% p.a. Rachel invests \$100 at the beginning of

asked by Fred on October 21, 2018
79. ## Geology

I need to find some kind of song written after 1990 about geology. It have to do with any part of geology but it just had to be written after 1990. any suggestions about where i might be able to find something like this? -thanks-

asked by A on October 18, 2006
80. ## Algebra 1

Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are

asked by kaycee on December 2, 2009
81. ## physics

Two blocks of equal masses are connected by a string. Block 1 is pulled by a force of 30 N which accelerates both blocks at 3 m/s2 along a surface of negligible friction A) find the masses of each block B) find the tension

asked by Thikha on January 26, 2015
82. ## statistics

Please help. I have no idea what I am doing Use the standard normal (z score) table to find: P(-1.00 ≤ z) & Find the probability that a data value picked at random from a normal population will have a standard score (z) that lies between the following

asked by sharon on December 29, 2017
83. ## ALGEBRA 1

Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are

asked by kaycee on December 2, 2009
84. ## Math

Jim was putting carpet in his sons tree house.He needed to find the area of the floor. But he was having trouble with the multiplication. The measurements were 4.2 meters by 6.3 meters. Do the multiplication to help him find the area

asked by Michey on January 10, 2013
85. ## math

South America’s population was 515,000,000 people in 2000 and 38,000,000 in 1900. To find the rate of increase, we should begin with subtracting to find the actual increase –

asked by Sara on August 2, 2010
86. ## math

Can you please help with finding rate of change in graphing? One question has times: 0 15 23 30 35 distance:30 70 0 45 60 Can you help me get started, I don't know what to do? Also, in another question for the slope I have to find which line has greatest

asked by sara on November 20, 2016
87. ## College Physics

Two long, parallel wires separated by 50 cm each carry currents of 3.0 A in a horizontal direction. Find the magnetic field midway between the wires if the currents are in the same direction. B= T Find if they are in opposite directions. B= T

asked by Lanise on February 19, 2010
88. ## Calculus

Let F of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. Use your calculator to find F″(1). A. 12 B. 6 C. 4 D. 1/9 Find the range of the function f of x equals the integral from 0 to x of the square root of the quantity

asked by Justin on July 30, 2019
89. ## Calculus

PLZ show work, find the rieman sum of 6 intervals of sinx from (0,pie) also find the absolute min and max of ln(2+sinx) for pie(or equal to) 2pie

asked by ALEX on January 19, 2011
90. ## Physics

A person skateboarding with a constant speed of 1.30 m/s releases a ball from a height of 1.25 m above the ground. Given that x0 = 0 and y0 = h = 1.25 m, find x and y for (a) t = 0.250 s and (b) t = 0.500 s. (c) Find the velocity, speed and direction of

asked by Zz on October 3, 2017
91. ## Chemistry

How do you find the number of valence electrons in a molecule? Do I need to use the Lewis structure diagram to find out? Please help! I need to the total number of valence electrons for SiH4, H2SO4, CCl4, BF3 and I don't know how!

asked by Anonymous on February 10, 2010
92. ## Physics

A stock car starts from rest at time t=0 with velocity (m/s) increasing for 4.0 s , according to the function Vx=1.4t2+1.1t. a) Find the car's velocity at the end of the 4.0 s interval. b) Find the average acceleration for this interval.

asked by Kay on January 21, 2017
93. ## physics

The current density in a cylindrical conductor of radius R = 59.5 cm, varies as J(r) = J0r/R (in the region from zero to R), where J0 = 0.423 C/m2. a) Find the magnitude of the magnetic field at r = 29.75 cm. b) Find the magnitude of the magnetic field at

asked by Anonymous on December 10, 2012
94. ## American Government

Please check my answers 2. What does congressional power of the purse refer to? A. Congress taxes all individuals who earn money in the US B. Congress taxes all corporations who make a profit in the US C. Congress finances the federal government and all

asked by M on January 6, 2017
95. ## Science 7R - Homework Check

1. List 4 reasons biologists use scientific names instead of common names in their communications. Answer 1. Scientific names help scientists aviod errors in communication. 2. Organisms with similar evolutionary histories are classified together, 3. The

asked by Laruen on January 26, 2012
96. ## Science

b is the answer Which is the best description of bedrock A. Dark soil, rich in humus B. Coarse soil with little humus C. Decaying plant and animal matter D. Solid rock with some cracks d Since this is not my area of expertise, I searched Google under the

asked by hot stuff on April 17, 2007
97. ## English

Which of the sentences below has NO errors in punctuation? a)The Great Fire of London lasted from September 2 to September 5 1666. (there should be commas in the dates) b)As Pepys and Mr. Moone walked through the city they were shocked at the destruction.

asked by Emily on July 21, 2008
98. ## Literacy 4

Please check my work. Thank you. 1. Government documents in a library are classified according to which of the following schemes? A. Superintendent of Documents B. Government Printing Office C. Dewe Decimal D. Library Of Congress Answer #1 is A 2. You're

asked by Jen on August 26, 2011
99. ## Science

"a drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of 40cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. Calculate the

asked by Hol on March 12, 2007
100. ## MATH

This problem makes no sence to me i tried it but i know i am completely wrong someone please help. The cost for a long-distance telephone call is \$0.36 for the first minute and \$0.21 for each additional minute or portion thereof. Write an inequality

asked by jasmine20 on December 21, 2006