1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,404 questions, page 762
1. Math

A machine produces open boxes using rectangular sheets of metal (12in by 20in). The machine cuts equal-sized squares from each corner, and then shapes the metal into an open box by turning up the sides. Express the volume of the box V(x) in cubic inches as

asked by Faith on October 16, 2016
2. Physics

A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic

asked by Jasmine on November 13, 2011
3. Physics

A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic

asked by Jasmine on November 14, 2011
4. physics

найти среднюю длину свободного пробега молекулы кислорода при нормальном давлении, если коэффицент диффузии кислорода при том же давлении

asked by lisa on May 29, 2011
5. Calc

A paper cup is to be designed in the shape of a right circular cone. It must have a capacity of 12 fluid ounces (1 fluid ounce = 1.80469 cubic inches) of soft drink but it must use a minimum amount of material in its construction. What should the

asked by jo on July 30, 2012
6. Physics (Rotational Kinetic Energy)

Hello, The question is: A solid ball rolls along the floor with a constant linear speed v. Find the fraction of its total kinetic energy that is in the form of rotational kinetic energy about the center of the ball. Krot/Ktotal = ? The answer I keep

asked by Ben on October 21, 2009
7. Physics

A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic

asked by Jasmine on November 13, 2011
8. Chemistry

Here's a molar heat problem I just have one question on. How much heat will be transferred if 2 moles of hydrogen reacts with excess oxygen according to the reaction below? 2H2 + O2 yields 2H20 + 572 kJ The answer according to my answer key is 2 mole H2 x

asked by Tabetha on May 18, 2009
9. Math, Trig/Pre Calc

You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of

asked by Sarah Blanchard on October 24, 2014
10. Math

1) Stephanie earned $x while working 10 hrs. Evelyn earned$y while working 29hrs. If they both earn the same hourly wage and x+y=60, how many dollars did Stephanie earn? 2)the difference of the areas of two circles is 21pi. If their radio are r+3 and r,

asked by Aline on March 2, 2018
11. Physics

A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic

asked by Jasmine on November 13, 2011
12. Math

water accounts for about 60% of a person's body weight. a. write an equation that represents the water y of a person who weights x pounds. identify the independent variable and the dependent variable. b. make an input-output table for the equation in part

asked by Jacob on February 9, 2018
13. English

Can you check the meaning of these few phrasal verbs, please? Thank you In the beginning I dislike my classmates but then I came around thinking they aren't so bad. Can you drop in on me after school. I need to talk to you. My plan to go to the mountains

asked by Henry1 on May 11, 2011
14. Technical wrtiting

Internet Source Distortion/Misrepresentation From media,or the Internet, identify an example of each of the following sources of distortion (faulty causal and/or statistical inference) a. A study with questionable sponsorship or motives b. Reliance on

asked by Amy on October 10, 2015
15. math

Use the information below to write and simplify an expression to find the total weight of the medals won by the top medal-winning nations in the 2012 London Olympic Games. The three types of medals have different weights. U.S.A. Gold=46 Silver=29 Bronze=29

asked by Sam on February 24, 2015
16. math

Let's say you are standing on top of a mountain looking down at the valley below, where you can see cars driving on a road. You stretch out your arm, use your thumb to "sight" a car, and find that the car appears to be as long as your thumb is wide.

asked by Chelsea on November 11, 2012
17. Physics

A 6 kg rock is suspended by a massless string from one end of a 6m measuring stick. What is the mass of the measuring stick if it is balanced by a support force at the 1m mark? answer in units of kg. Thanks for any help Rather than just posting the

asked by Stu on April 26, 2007
18. math

(please explain with brief explanation) The area of a rectangular field is 2000 sq.m and its perimeter is 180m. Form a quadratic equation by taking the length of the field as x and solve it to find the length and breadth of the field. the length and

asked by Nithin on September 2, 2014
19. Physics

A rescue helicopter lifts a 70 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 9 m.  What is the tension in the cable?  How much work is done by the tension

asked by Jennifer on February 22, 2015
20. physics

A 0.101 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.68 kg object hangs vertically from the 6.61 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational equilibrium. If the

asked by Lor on February 8, 2012
21. Current Events

Where would be a good place to find a current event article that I can follow from now til about Dec.? Thanxs for any help. Any newspaper, newsmagazine, and/or their websites would be good. http://www.latimes.com http://www.nytimes.com http://www.chron.com

asked by Soly on August 29, 2006
22. Physics

A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at 40C. If 5.00x10^-2kg of ice at 0C is dropped into the water. Find the final temperature of the mixture where the ice has melted

asked by Tsunayoshi on February 9, 2014
23. Physics

A rescue helicopter lifts a 65 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 13 m. (a) What is the tension in the cable? N (b) How much work is done by the

asked by Brandon on October 29, 2008
24. English

Identify the main conflict from "the fall from the house of usher " and show what it reveals about the story's protagonist . I have studied this story and I'm not able to find one main conflict, I have found a couple but none add up to the point of what it

asked by Michele on September 20, 2016
25. Statistics

Suppose that in the city in which the survey is conducted, 50% of adults are married, 15% are single, 25% are divorced, and 10% are widowed. a. Assign probabilities to each simple event in the sample space. b. Which approach did you use in part (a)? Find

asked by XYZ on February 4, 2016

You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this

asked by gail on September 9, 2009
27. Physics

A rescue helicopter lifts a 65 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 13 m. (a) What is the tension in the cable? N (b) How much work is done by the

asked by Brandon on October 14, 2008
28. math

Can someone help me figure this out. The difference of two numbers is 80. The second is 8 less than 5 times the first. What are the two numbers? first write an equation 5x-8=y and then solve it Tiff gave you part of the solution. 5x-8=y However, there is

asked by jessica on May 7, 2007
29. physic

A box of mass 2 Kg lies on a rough horizontal floor with the coefficient of friction between the floor and the box being 0.5 (Figure 3). A light string is attached to the box in order to pull the box across the floor. If the tension in the string is TN,

asked by zainab on March 25, 2014
30. physics work and energy

A basket of neglible wieght hangs from a vertical spring scale of constant force 1500N/m. If you sundally put a 3.0 Kg adobe brick in the basket, find the maximum distance that the spring will stretch. If, instead, you released the brick from 1.0 m above

asked by Anonymous on June 8, 2011

You conduct a survey of a sample of 25 members of this yearï¿½s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this

asked by Shari on June 12, 2010
32. uh manoa

A basket of neglible wieght hangs from a vertical spring scale of constant force 1500N/m. If you sundally put a 3.0 Kg adobe brick in the basket, find the maximum distance that the spring will stretch. If, instead, you released the brick from 1.0 m above

asked by luis on June 8, 2011
33. Statistics

A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal

asked by Nesa on May 11, 2012
34. Physics

A rescue helicopter lifts a 65 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 13 m. (a) What is the tension in the cable? N (b) How much work is done by the

asked by Brandon on October 15, 2008
35. Physics

3. Think about this pulling scenario: A 60 N force pulls three boxes across a surface with no friction. T1 is the tension force the rope on the left pulls with at both ends, and T2 is the force the rope on the right pulls with on both ends. (a) Draw

asked by Ke on March 4, 2015
36. physics--HELP

a giant robot tosses a ball up, from a height of 80 meters, with an initial velocity of Vo = 60 m/s, use 10 m/s^2 as the acceleration due to gravity. what will be the minimum velocity of the ball and when and where will that occur? [i don't know how you

asked by jel on October 9, 2007
37. Physics

A 5.50-kg ball, moving to the right at a velocity of +2.35 m/s on a frictionless table, collides head-on with a stationary 7.60-kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 5.5-kg ball =

asked by Anonymous on March 26, 2013
38. Physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 20.0 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 83.9 m), the block swings

asked by Thien on October 6, 2012
39. calculus

The side of a square is measured to be 12 inches with a possible error of ±0.02 inch in that measurement. If x is the exact length of the side of the square, express this difference as an absolute value inequality and solve. Then find the interval

asked by rachel on August 29, 2011
40. Algebra

Consider the equation 4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

asked by Pamela on July 7, 2009
41. Algebra

Consider the equation: 4x^2 – 16x + 25 = 0 (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

asked by Tammie on July 8, 2009
42. Physics

a train takes 5 minutes to cover a distance of 3 km between two stations p and q . Starting from rest at p , it accelerate at a constant rate to a speed 40 km/h and maintain this speed untill it is brought to rest at q . If train takes 3 times as long to

asked by Anver on July 7, 2017
43. Physics

A 1300 kg El Camino is parked on a 20 degree hill.(20 degrees above x axis)The driver of the El Camino returns, starts the car, and accelerates up the hill at 2 m/s^2. Find Sigma-Fx and Sigma-Fy. What is the normal Force acting on the car, and what is the

asked by Jose Luis on October 12, 2015
44. math

In Ali garden, he wants to build a concrete fountain. So he consults two different companies who provides concrete pours: Alibaba's Concrete (charges $700 plus$20/m^3 of concrete) and Baborina's Concrete ($1200 plus$15/m^3 of concrete). Let x be the

asked by doni on May 17, 2017
45. Science

a train takes 5 minutes to cover a distance of 3 km between two stations p and q . Starting from rest at p , it accelerate at a constant rate to a speed 40 km/h and maintain this speed untill it is brought to rest at q . If train takes 3 times as long to

asked by Anonymous on July 7, 2017
46. physics

a small bead can slide without friction on a circular hoop that is in a vertical plane and has a radius of 0.100 m. The hoop rotates at a constant rate of 3.00 rev/s about a vertical diameter. Find the angle beta at which the bead is in vertical

asked by bob on October 24, 2011

You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this

asked by joi on March 11, 2010
48. math

A watch with a list price of $889.00 is sold by a wholesaler at a net cost of$545.75. Find the single trade discount rate being offered. round to the nearest tenth of a percent To solve this i did 545.75 divided by 889.00 that gave me 0.61389 which comes

asked by David on February 26, 2015
49. Physics

A truck travels beneath an airplane that is moving 100 km/h at an angle of 49 degrees to the ground. A) how fast must the truck travel to stay beneath the airplane? Answer in units of km/h The answer I got was 65.6 km/h, but i just wanted to make sure

asked by bubba on August 26, 2009
50. Maths

Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre. This time I'll post the given formula too. Sorry to leave it out before! The dB scale for measuring loudness, d, is

asked by Donna on February 15, 2014
51. Chemistry

You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

asked by Lacy on February 13, 2013
52. physics

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the

asked by max on November 30, 2010
53. Math

I need help with these 3 problems. 1. An amusement park charges admission plus a fee for each ride you go on. 2 admissions and 5 rides cost $22. 2 admissions and X rides cost$24. What is the charge for 1 admission and the charge for 1 ride. 2. Find the

asked by Jessica on June 28, 2010
54. physics

A 65 kg water skier is pulled up a 15° inclined by a role parallel to the incline with a tension of 500N. The coefficient of kinetic friction is .25. What are the magnitude and direction of the skier's acceleration? I found the weight its 637.65 I found

asked by Lilie on November 9, 2014
55. physics

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. (a) What exerts the force in the

asked by max on November 30, 2010
56. Technology

Which of the following is true about filters in Microsoft® Excel databases? A. Filters sort information in alphabetical order. B. Filters create fields that describe the remaining data. C. Filters make it easier to find specific information in a large

asked by Bro on January 10, 2019
57. art

Using Internet resources, find one example of installation art. Describe the artwork you have found, including the title, artist, year created, and where it is installed. What is the meaning of the work? How does the meaning relate to what the artist has

asked by Anonymous on August 16, 2012
58. math

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

asked by Anonymous on December 3, 2013

The question is Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I guess I am somewhat confused by the way it's written. Would I be graphing this to find out? I'm so confused with

asked by Greg B. on June 12, 2012

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the

asked by max on November 30, 2010
61. calculus

Could someone help me et up this problem? Two people start from the same point. one walks east at 3mi/h and the other walks northeast at 2mi/h. How fast is the distance between the poeple changing after 15 minutes? I think this is what I would do::: First

asked by Anonymous on March 30, 2009
62. Chemistry

You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

asked by Lacy on February 13, 2013

Hopefully someone can help me with this. "Suppose the production of airframes is characterized by a CES production function: Q=(K^0.5 + L^0.5)^2 (MPL = (K^1/2 + L^1/2) /L^1/2), MPK = (K^1/2 + L^1/2) /K^1/2) Suppose that the price of labor is $10 per unit asked by Jessica on May 17, 2010 64. Two English Questions (HELP!!) 1. Which of the following uses a pronoun in the possessive case? A. Ask Sarah to pass the chips to me. B. Check for my signature on the front page. C. He went to the park to find the dog. D. The winner of the contest was she. I think 1. is B. 2. Revise the asked by * on February 3, 2015 65. Chemistry Describe how you can show that a chemical reaction adhers to the law of conservation of mass. Chemical reaction: magnesium hydroxide added to phosphoric acid produces magnesium phosphate and water. Find the mass percentage of each compound as well as the asked by Jessica on December 10, 2008 66. Math A roll of carpet 9 feet wide is 30 feet longer than a roll of carpet 15 feet wide. Both rolls have the same area. Find the dimensions of each. asked by Mike on October 9, 2009 67. Math Use linear approximation, i.e. the tangent line, to approximate sqrt[3] { 8.4 } as follows: Let f(x) = sqrt[3] x. The equation of the tangent line to f(x) at x = 8 can be written as y=mx+c where m=1/12 b=4/3 find the approximation for sqrt[3] {8.4} asked by Ben on November 8, 2009 68. Math The sum of age of asha and musa is 50 years.If ten years ago the age of musa was twice of asha find their present age asked by Emaculate on August 30, 2015 69. math The larger circle has a radius that is 18 inches longer than the smaller circle. The larger circle has a circumference that is A pi feet larger then the smaller circle. find the value of a. asked by dan on March 15, 2011 70. Geometry-PLEASE CHECK ANSWERS! In isosceles triangle DEF, DE=DF. Which of the following is true? 1) asked by Laurie on February 23, 2010 71. Math The formula for the volume of a cube is V equals S3 where X represents the side length of the cube find the volume of a cube with side length of 0.5 millimeters asked by James on February 6, 2017 72. math Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle G measures 49 degrees. Find the measure of angle H asked by james on August 20, 2012 73. math URGENT HELP!!! The area of the base of the regular quadrilateral pyramid is 36 cm2 and the area of a lateral face is 48 cm2. Find: Lateral area of the pyramid asked by katy on May 4, 2017 74. physics velocity of light in air and glass are 3.0*10^8m^-1 inverse 1.8*10^8m^-1 respectively one is for air and one is for glass. find the angle of refraction in glass. if the light travel from air to the glass.? asked by poppy👌🤔 on May 5, 2019 75. algebra find two numbers such that if 7 is added to the greater the answer is four times the smaller number, while 28 added to the smaller number is equal to twice the greater number. asked by fatimah on July 9, 2014 76. geometry a walkway 2 meters wide surrounds a rectangular play area 50 meters long and 30 meters wide. find the area of the walkway. asked by Anonymous on May 6, 2012 77. Statistics For sample mean x = 150, sample size n = 36 and sample standard deviation s = 40 find 80% confidence interval for population mean. Population standard deviation is not known asked by Tina on February 24, 2012 78. Algebara How do you find the square root of 14 without a calculator? I know I need to use the square root of 9 which is 3 and the square roots of 16 which is 4. I know the answer is gonna be closer to 4 because 14 is closer to 16. I just can't figure how to get the asked by Dom on August 16, 2016 79. Physics A rock is falling towards the Earth. Suppose the action force is the pull of the Earth on the rock. What is the reaction force? I do not know how to find the reaction force. asked by Bryan on October 11, 2009 80. ssc..math A tree 30 feet tall casts a shadow 7 feet at the same time that a flagpole casts a shadow 5 feet .Find the height of the flagpole . asked by jonalyn on July 26, 2015 81. 4th grade math Jason and Jessica had an equal number of dollars.After Jessica gave$50 to Jason, he had 5 times as many dollars as her.Find the total number of dollars they had.

asked by Alaya on January 18, 2012
82. Calculus

Given f(x) = -1/x, find all c in the interval [-3, -½] that satisfies the Mean Value Theorem. A. c= -sqrt(3/2) B. c= +or- sqrt(3/2) C. The Mean Value Theorem doesn’t apply because f is not continuous at x=0 D. The Mean Value Theorem doesn’t apply

asked by Anonymous on January 11, 2015
83. chemistry

How do I find the initial rate of reaction for 4.)? 2NO(g)+Cl2(g) ---> 2NOCl(g) [NO] (mol/L) [Cl2] (mol/L) Initial Rate (mol/L * min) 1.) 0.20 1.) 0.10 1.) 0.63 2.) 0.20 2.) 0.30 2.) 1.92 3.) 0.80 3.) 0.10 3.) 2.58 4.) 0.50 4.) 0.50 4.) ???

asked by mar on February 14, 2015
84. math

a rectangle has a length of 13 units. the perimeter of a rectangle is twice its length. complete the table to find the perimeter of the rectangle if its width is 5,6,7 or 8 units wide

asked by taffy on March 23, 2013
85. college Algebra

Let g(x) = x3 - 12x + 16. Find the location of the local minimum of this function (there is only one such location). Evaluate function g(x) at the x-value of the ordered pair location of this local minimum.

asked by Brianna on September 25, 2011
86. Math

The product of two consectuve even numbers is 360. Find the numbers. I tried this: x+(x+2)=360 2x+2=360 x=179, which would mean the numbers are 179 and 181, but those are not even numbers... How am I supposed to solve this?

asked by Anonymous on October 7, 2010
87. Math

Find the mean. median and mode(s) of the data. (DONE) Choose the measure that best represents the data. Explain your reasoning. (WHAT?!?) 1. Mean: 28.5 Median: 33.5 Mode: 35 2. Mean:37 Median:43 Mode:No mode

asked by Mathmatic on November 18, 2012
88. math

The area of the base of the regular quadrilateral pyramid is 36 cm2 and the area of a lateral face is 48 cm2. Find:Lateral area of the pyramid

asked by Green Tea on May 19, 2019
89. Algebra

Find the largest possible real value of \sqrt{(x-20)(y-x)} + \sqrt{(140-y)(20-x)} + \sqrt{(x-y)(y-140)} subject to -40\leq x \leq 100 and -20\leq y \leq 200.

asked by John on March 12, 2013
90. Algebra.

The sum of 6 times Jack's age and 5 times Larry's age is 63. Jack is 1 year less than 3 times as old as Larry. Find eachh of their ages.

asked by Leah on March 27, 2008
91. Statistics

Let Y be a random number between 0 and 1 generated by an idealized random number generator. Find the following probabilities: A. P (0 less than equal to Y less than equal to .6) =? B. P (.3 less than equal to Y less than equal to .5) =? C. P ( Y less than

asked by Julia T on May 19, 2010
92. Algebra

the denominator of a fraction exceeds the numerator by 7, if the numerator is increased by 3, and the denominator is increased by 5, the resulting fraction equals 1/2. Find the original fraction.

asked by Scotch on March 22, 2016
93. algebra

two angles are complementary. the sum of the measure of the first angle and half the second angle is 87 degrees. find the measure of the angles. What is the measure of the smaller angle? what is the measure of the other?

asked by ron on March 28, 2010
94. maths

the ones digit of 2-digit number is twice the tens digit when the number formed by reversing the digit is added to the original number . The sum is 99 . find the original ?

asked by shipra on January 31, 2016
95. Math

A student has a collection of grasshoppers and crickets. He has 561 insects in all. The number of grasshoppers is twice the number of crickets. Find the number of each type of insects that he has.

asked by LP on January 6, 2013
96. Average

In a class 20% students failed 60% students scored average marks and the remaining above average marks find number of students in the class ?

asked by Rahul on May 6, 2016
97. Math

An airplane travels 1260km in the same time a car travels 420km. If the rate of the car is 120kph less than the rate of the airplane, find the rate of each.

asked by Raquel on September 8, 2016
98. math

A local road has a grade of 15%. The grade of a road is its slope expressed as a percent. a.Find the slope of the road as a fraction and then simplify the fraction.

asked by Laisha on October 12, 2018
99. math

a number rounds off to 4000.the digits in the hundreds place is twice the digits in the tens place.the sum of the digits is 12.the number uses only two different digits.find the number.

asked by shirley nicole silva on June 18, 2013
100. Physics

When astronomers find a redshifted celestial object, they say that the object is moving away from Earth. Can the redshift be interpreted as the Earth moving away from the celestial object?

asked by Izzy on June 10, 2009