# 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

92,916 questions, page 835
1. ## algebra 1

A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0

asked by Peter (forgive me) on June 2, 2016
2. ## Calculus

A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 5 sec later is 27 ft from the intersection. If the speed of

asked by Mike on June 13, 2013
3. ## Geometry

1.1.Determine whether the regular pentagon has reflection symmetry, rotation symmetry, both, or neither. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. For each type of

asked by D on October 17, 2014
4. ## Math

Find the unit price and tell which is the better buy: A 64 oz. bottle of juice costs \$2.39, and a 20 oz. bottle costs &0.79. You can use a 20-cents-off-coupon if you buy four 20 oz. bottles or a 15-cents-off-coupon if you buy a 64 oz. bottle. Which is the

asked by Sammy on February 27, 2011
5. ## Red House Primary School

Sally is thinking of a ratio.the simplest form of the ratio is 2:3.if she subtracts 1 from the first number in her ratio and adds 2 to the second number of her ratio,the simples form of new ratio is 1:2.Find the ratio that Sally is thinking of

asked by Khanya on August 25, 2015
6. ## Mathematics - Dot Product

Consider rhombus ABCD a) Find the resultants of vector AB + vector AD and vector AB - vector AD b) What will the value of (vector AB + vector AD) dot product (vector AB - vector AD) always be? Explain. c) Is the value of (vector AB + vector AD) dot product

asked by Suhani on August 20, 2010
7. ## math

chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

asked by renan on January 30, 2014
8. ## Calculus

Find the sum of two numbers whose sum is 70 and whose product is as large as possible. Ok i got that one equation is y = 70 - x...but how do I show an equation for a product which is as large as possible. The product is P = x (70 - x), where x is one of

asked by Raj on December 31, 2006
9. ## statistics

Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

asked by Lori on September 22, 2010
10. ## Math

1/3 of the 6 dozen fruits in a fruit seller's cart are apples.If 1/4 of all the fruits are oranges and the rest of the fruits are bananas,find how many dozen of bananas are there in a fruit seller's cart?

asked by Farha on January 10, 2014
11. ## statistics

Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

asked by Lori on September 22, 2010
12. ## Math (quick help pls)

Selena took 20 seconds to swim from point A to point B at a speed of 4.5 m/s. She took 18 seconds to swim back from point A to point B. Find Selena's average speed when she swam from Point B to Point A (Help me get to the answer please ty)

asked by Anonymous on February 12, 2019
13. ## Maths

John is FIVE years older than Peter.Twice the product of their ages FIVE years ago is 100 more than product of their present ages.Find the present ages of John and Peter.

asked by Maths on May 20, 2019
14. ## Multivariable Calculus

The price-to-earnings ratio of a stock is defined as R = (P/E), were P is the price per share of the stock and E is the earnings. The yield of the stock is defined by Y = (d/P), where d is the dividends per share. Find the yield as a function of R, d, and

asked by Vanna on March 12, 2009
15. ## Statistics

Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

asked by Lori on September 23, 2010
16. ## Algebra

the length of the longer leg of a right triangle is 13 ft more than 3 times the length of the shorter leg. the length of the hypotenuse is 14 ft more than 3 times the length of the shorter leg. Find the side lengths of the triangle

asked by Jd on October 11, 2014
17. ## phys

Find the acceleration due to gravity on a planet whose mass is four times the mass of Earth and whose radius is half the radius of Earth (g is the acceleration due to gravity on Earth).

asked by ayyashi on May 18, 2011
18. ## Math

The cost of an order of 10 computer disks and 3 packages of paper was \$27. The next order was for 30 disks and 5 packages, and the cost was \$65. Find the cost of a single disk and a single package of paper.

asked by Evy on November 1, 2013
19. ## domain

How do you find the domain of log(x^2-4)? and how about this one? e^(3x+4)? Please help me! Well kristie, you might recognize log(x^2-4) = log((x-2)(x+2)) and then use a property of logs to see it as a sum, i.e., log(ab)=log(a)+log(b). You are then

asked by kristie on July 17, 2006
20. ## HISTORY HELP

How did the Reconquista act as a pull mechanism for Spain to explore and conquer new lands? The Reconquista created generations of men trained and ready to reconquer lands for Spain and the Church. The Reconquista pulled the Christian kingdoms of Spain to

asked by Oscar on January 31, 2016
21. ## math

jenny had driven for 2h at a constant speed when road forced to reduce her speed by 10 mp/h for the remaining 1h of 152 mile trip. find her original speed 152 - 10 = 142/2 = 71 mp/h Can 71 mi/hr be right for the first speed? 71 mi/hr x 2 hrs = 142 miles

asked by koleo on November 28, 2006
22. ## writing skills

18. You need to write an essay about hot air ballooning. You know you've seen a good book on this topic, but you can't remember the name of the book or the name of the author. How could you most easily find this book in the library? A. Locate the author

asked by jake on August 23, 2012
23. ## Calculus

Use linear approximation, i.e. the tangent line, to approximate (the 3 is inside the v part if you know what I mean, it's not 3 times sqrt) 3√125.2 as follows: Let f(x) = 3√x. The equation of the tangent line to f(x) at x=125 can be written in the form

asked by Z32 on September 28, 2009
24. ## algebra

of radius 54 meters subtended by the central angle 1/9 radian. s(arc length = meters How is the answer 6? s denotes the lenght of the arc of a circle of radius r subtended by the central angle 0. Find the missing quantity. The radius r of the circle is ?

asked by Find the length s of the arc of a circle on December 9, 2012
25. ## physics

⦁ Find the resultant vector (magnitude and direction) for the sum of: vector A which has magnitude 365 N at 48° south of west, vector B which has magnitude 224 N at 26° south of east, and vector C which has magnitude 488 N at 12° west of north.

asked by chiamaka on September 15, 2014
26. ## math

Six slips of paper, with a different digit from 1 to 6 printed on each, are placed in a box. The papers are well mixed. One slip is drawn and replaced. The papers are well mixed, and a second slip is drawn. Find the probability of each of the following: a)

asked by Anonymous on October 28, 2016
27. ## calculus

The sales(in millions) of a DVD recording of a hit movie t years from the date of release is given by a) Find the rate of which the sales are changing at time t. b) How fast are the sales changing at the time the DVDs are released? c) How fast are the

asked by Andrea on February 27, 2016
28. ## dma 040

Sport competition. France won more gold medals than Italy who won more medals than Korea. Total number of gold medals won by three countries is three consecutive integers who sum is 27, find number won by each country France Italy Korea

asked by Anonymous on September 14, 2013
29. ## math

surface area of a rightcircular cylinder. The area of a right circular cylinder is given by the polynomial 2pierh^2 where h is the height and r is the radius of the base. Suppose that a beverage can has a height of 6.2 inches and a radius of 1.3 inches.

asked by pam on March 22, 2013
30. ## Math

Adam has \$300 when he entered the store. He spent \$72 on some CD's. He wants to use the rest of the money to buy some DVD's. If DVD's cost \$18 each, which would be the best way for Adam to find how many DVD's he can afford to buy? A.Multiply 18 by 72 B.Add

asked by Andrew on February 8, 2012
31. ## C Programming

how do i write a C program that accepts sales made by 5 sales reps for the 4 months that they have been selling the company's products. The program should then find the total sales for 4 months, total sales for each sales rep, and total sales per month.

asked by Anonymous on September 9, 2014
32. ## Physics

A 3.00 kg object with an intial velocity of + 5.00 m/s in the postive X direction collides with and sticks to a 2.00 kg object with an intial velocity of -3.00 m/s in the negative Y direction. Find the final componet of velocity of the composite object.

asked by Harry on December 11, 2006
33. ## Algebra

A stock broker has \$200,000 to invest in stocks and bonds. She wants to invest at least \$100,000 in stocks and at least \$50,000 in bonds. If stocks have an annual yield of 9% and bonds have an annual yield of 7% how much should she invest in each to

asked by Veronika on July 17, 2014
34. ## calculus

The reproduction function for a sardine is f(p) = −0.0004p^2+3p, where p and f(p) are in hundred metric tons. Find the population that gives the maximum sustainable yield, and the size of the yield. population=_________ hundred metric tons size of

asked by aj on March 5, 2018
35. ## Unit 1 lesson 7 math

1. if MNO is = to QSR witch of the following is true? 2.The triangles shown are congruent. Find the measure of P 3.Which congruence statement says the same thing as ABC = DFE 4.Note: Remember to show all of the steps that you use to solve the problem. Be

asked by Addison C on January 31, 2018
36. ## Physics

The "Great Swing" at a country fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Each arm supports a seat suspended from a 5.00m long rod, the upper end which is fastened to the arms at a point of 3.00m

asked by Anonymous on November 3, 2010
37. ## Ma

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

asked by Tracy on February 5, 2011
38. ## New Age Math

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

asked by Tracy on February 6, 2011
39. ## Physics

Estimate the force a person must exert on a string attached to a 0.160 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.80 revolutions per second. Do not ignore the weight of the ball. In particular,

asked by Emily on October 6, 2011
40. ## Statistics

A brewery's filling machine is adjusted to fill bottles with a mean of 32.6 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

asked by Jenna on February 15, 2013
41. ## Statistics

Can someone help me do this problem? A group of environmentalist are trying to estimate the population of the state rid in clear view park. They capture a sample of 500 birds in early spring and tag them. in august they capture 215 birds, of which 20 are

asked by Tina on December 12, 2013
42. ## Intermediate Algebra

Environmental scientists often use cost-benefit models to estimate the cost of removing a pollutant from the environment as a function of the percentage of pollutant removed. Suppose a cost benefit function for the cost C (in millions of dollars) of

asked by Anonymous1234 on November 13, 2014
43. ## Statistics

The percent of fat calories that a person in America consumes each day is normally distributed with a mean of 36 and a standard deviation of about 10. Suppose that 16 individuals are randomly chosen for an experiment. A) Is it appropriate to use the normal

asked by Brandy on November 19, 2015
44. ## Intermediate Algebra

Environmental scientists often use cost-benefit models to estimate the cost of removing a pollutant from the environment as a function of the percentage of pollutant removed. Suppose a cost benefit function for the cost C (in millions of dollars) of

asked by Anonymous1234 on November 11, 2014
45. ## Chemistry

I did a lab for Organic Chemistry I did a simple distillation for an unknown and found that it boiled at 76 degrees. I also found out that the unknown was ethanol since we knew what the 4 possibilities were and mine was closest to ethanol. I also did a

asked by Omar on October 6, 2010
46. ## English

What are the strong points of the subway? The subway is clean, safe and fast. We can go to work or go to school with ease. We do not have to worry about traffic jam when we go by subway. It is comfortable to go on the train. The subway fare is cheap. We do

asked by John on October 22, 2008
47. ## Children Development

In what ways have factors from Microsystems outside the family, from the mesosystem, and the exosystem possibly influenced your child’s development at ages 6, 8 and 10? Find four examples of such influences and make clear why you believe they should be

asked by M on October 22, 2015
48. ## Physics - KE/Inertia

The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm) consists of

asked by COFFEE on March 25, 2007
49. ## Algebra 2

The commitee is planning this years prom. 500 on music 800 on the decorations 900 on the ballroom 25 per person for catering The ballroom can only hold 300 students. 35 per ticket with food. 20 per ticket without food. Must set aside 10 free pron tickets.

asked by Kenxgaga on May 29, 2014
50. ## Children Development

In what ways have factors from Microsystems outside the family, from the mesosystem, and the exosystem possibly influenced your child’s development at ages 6, 8 and 10? Find four examples of such influences and make clear why you believe they should be

asked by Woody on October 24, 2015
51. ## Child development

n what ways have factors from Microsystems outside the family, from the mesosystem, and the exosystem possibly influenced your child’s development at ages 6, 8 and 10? Find four examples of such influences and make clear why you believe they should be

asked by Woody on October 24, 2015
52. ## physics

(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.490 kg·m2. (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his

asked by Wendy on July 17, 2013
53. ## Math

Anita can clean a typical pool in 8 hours. Chao can clean a typical pool in 6 hours. How long should it take Anita and Chao working together to clean a typical pool? I'd like to know how to work out this problem in order to find the answer.

asked by anon on May 17, 2016
54. ## Math-statistics

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantiles: a.percentage of scores less than 100 b. relative frequency of scores less than 120 c.

asked by Jane Brown on March 1, 2013
55. ## statistics

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b.Relative frequency of scores less than 120

asked by TAW on November 21, 2010
56. ## Physics

A fireman, 45.1 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 34.1 degrees above the horizontal. The acceleration of gravity is 9.8 m/s^2. If the speed of the stream as it leaves the hose is 58.8

asked by John on September 6, 2010
57. ## Statistics

What price do farmers get for their watermelon crops? In the third week of July, a random sample of 52 farming regions gave a sample mean of = \$6.68 per 100 pounds of watermelon. Assume that is known to be \$1.94 per 100 pounds. A farm brings 35 tons of

asked by Desperate on July 7, 2012
58. ## Science

What differences between high-quality matter and low-quality matter The quality. Since this is not my area of expertise, I searched Google under the key words "high low quality matter" to get these possible sources:

asked by Lynn Butler on April 13, 2007
59. ## English

Hello, class. We are going to do an activity. I want you to interview two of your new friends. You can go to any students who you do not know well in this class. Thre are two memos on the page of the textbook. You should fill in the blanks with the

asked by rfvv on March 19, 2010

if i have 6 students with a height of 88 inches and a armspand of 32 inches and 2 students with a height of 62 and anarmspand of 22 inches. what is the ratio? Many ratios can be determined from this set of data. You could find the ratio of the number of

asked by mike on June 28, 2007

A number is called algebraic if there is a polynomial with rational coefficients for which the number is a root. For example, √2 is algebraic because it is a root of the polynomial x^2−2. The number √(2+√3+√5)is also algebraic because it is a

asked by bob on May 22, 2013
62. ## English

I need to find the subject and the verb 1.In the cockpit the pilot checked the instruments. (pilot is the subject and checked is the verb?) 2.From the kitchen drifted the delicious aroma of spaghetti sauce. (drifted is the verb and aroma is the subject?)

asked by Trevor on September 12, 2007
63. ## Chemistry

If I were to explain to someone about how to find a charge of an element, would anyone agree with this: The charge of an element is determined by the gain or lose of electrons. Depending on how close they are to the left/right side of the periodic table

asked by Joey on July 2, 2015
64. ## physics

A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light

asked by Help please on October 24, 2012
65. ## physics/light reflection

A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light

asked by Help please on October 24, 2012
66. ## Math,correction Plz

Can someone correct these for me please. Problem #68 Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. Using the formula t=(1)/(4)radical(s). My answer: 9 minutes and 35 sec. Problem #2

asked by jas20 on March 10, 2007
67. ## chemistry

A compound is found to be 51.39% carbon, 8.64% hydrogen, and 39.97% nitrogen. It has a molecular molar mass of 140.22 g/mol. (This question requires one to find the empirical formula to end up with the final answer in molecular formula) A. C10H14N2 B.

asked by spartan on January 10, 2019
68. ## Chemistry

Let's do 1 and 2 and go from there. I will get you started. Take a 100 g sample. That means we have 19.9% C = 19.9 g C 46.7% N = 46.7 g N 6.67% H = 6.67 g H 26.7% O = 26.7 g O Find mols of these amounts. mols C = 19.9/12 = 1.66 mols N = 46.7/14 = 3.33 mols

asked by DrBob222 on February 3, 2007
69. ## physics

Consider the following system with a 2 kg mass sitting on a table, connected to both 1 kg and 3 kg masses by strings which go over two separate pulleys and are pulling on the 2 kg mass in opposite directions. What static friction coefficient would be

asked by carolyn on February 2, 2015
70. ## Physics

A dockworker loading crates on a ship finds that a 34.0-kg crate, initially at rest on a horizontal surface, requires a 72.0-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 51.0 N is required to keep it

asked by Anonymous on October 12, 2018
71. ## micro_economics

can someone please help me with this question? Testifying at a price fixing trial involving Cargill Corp. and the market for chicken growth hormone, (in which Cargill is one of only three firms worldwide), an executive for Perdue said: "It's an oligopoly.

asked by Econo_Help on November 4, 2007
72. ## Physics

A projectile of mass 0.636 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having a horizontal component of 6.8 m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

asked by alex on June 16, 2015
73. ## physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by jim on November 4, 2012
74. ## Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by Jordan on October 15, 2010
75. ## Physics

I am really struggling with these two questions. Please help! 1)Two ice skaters approach each other at right angles. Skater A has a mass of 61.2 kg and travels in the +x direction at 2.25 m/s. Skater B has a mass of 66.2 kg and is moving in the +y

asked by Mikayla on December 7, 2016
76. ## Gr. 12 Physics

A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the

asked by Myles on September 30, 2012
77. ## Statistics

28. A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students

asked by Steph on October 22, 2011
78. ## Physics

Question about doppler effect: How do you solve when it gives you percentage value? (Q 1) How do you calculate for doppler effect when the listener is moving instead of the source of sound? (Q 2) Questions 1. As a racing car zooms by you, its pitch

asked by Tommy on November 25, 2009
79. ## Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by Jacob on March 23, 2011
80. ## STATISTICS HELP!!!!!!!

Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The distribution is mound-shaped with mean μ = 80.04 cents per gallon and standard deviation, σ = 4.74 cents per gallon. (a) Are we

asked by Amy on August 10, 2011
81. ## Physics

A flat circular coil with 103 turns, a radius of 3.96 10-2 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

asked by bbbgen on March 20, 2013
82. ## Pre-Calculus

A rectangular garden with an area of 250 square meters is to be located next to a building and fenced on three sides, with the building acting as a fence on the fourth side. Let x be the length of the side parallel to the building. 1. Find T(x), the total

asked by Courtney on January 18, 2008
83. ## physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by John on October 23, 2012
84. ## Economics

can someone please help me with this question? Testifying at a price fixing trial involving Cargill Corp. and the market for chicken growth hormone, (in which Cargill is one of only three firms worldwide), an executive for Perdue said: "It's an oligopoly.

asked by Econo_Help on November 4, 2007
85. ## Algebra

Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1000 bacteria selected from this population reached the size of 1274 bacteria in five hours. Find the hourly growth rate

asked by Monae on December 12, 2016
86. ## Physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by Sia on March 25, 2015
87. ## Physics

A flat circular coil with 103 turns, a radius of 3.96 10-2 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

asked by bbbgen on March 20, 2013
88. ## physics

A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless

asked by Meagan on November 4, 2011
89. ## Trigonometry

1. Brothers Bob and Tom buy a tent that has a center pole of 6.25 feet high. If the sides of the tent are supposed to make a 50deg angle with the ground, how wide is the tent? 2. A swimming pool is 30 meters long and 12 meters wide. The bottom of the pool

asked by Marie Ashley on December 14, 2013
90. ## statistics

A certain geneticist is interested in the proportion of males and females in the population that have a certain minor blood disorder. In a random sample of 1500 males, 75 are found to have disorder, whereas 80 of 2000 females appear to have disorder. Find

asked by Ali on June 3, 2011
91. ## Math

In a group of 9 coins, one is fake and weighs slightly less. What is the fewest number of times you need to use a pan balance to find the counterfeit coins? (A pan balance is a scale used to measure weights, where weights are placed in two pans. The

asked by Erika on February 3, 2015
92. ## Derive

Find the derivative of sin(2x + 3y)= 3xy + 5y-2. I have this so far 1) cos(2x+3y) * d/dx (2x+3y)= 3xy' + 3y + 5y' 2) cos (2x+3y) * [2 + 3y']= 3xy' + 3y + 5y' 3) 3y' cos (2x+3y) + 2cos(2x+3y)= 3xy' + 3y + 5y' 4) 3xy' + 5y' - (3y(cos(3x+3y)= 2 cos (2x + 3y)

asked by Mary on March 7, 2013
93. ## physics

a gun,kept on straight horizontal ground is used to hit a car, traveling along the same road away from the gun with a uniform speed of 72km/h.The car is at a distance of 500m from the gun. when the gun is fired at an angle of 45 degrees with the

asked by jabulani on May 25, 2016
94. ## Algebra

Mary, Margaret, Ron and Nick are to share a sholarship. Ron receives 1/3 of the scholarship; Nick gets 1/4 of the scholarship; Mary receives the same as Nick, and Margaret receives \$72,000. Find each person's share in the scholarship as well as the

asked by Michelle on January 10, 2013
95. ## math

Four quilters are preparing patches for a quilt. When finished, the quilt will contain 200 patches. The quilters’ contributions thus far are in the table below. Name Number if patches Lia 65 Brian 17 Elle 88 len 6 Find the probability that a randomly

asked by chris on March 23, 2009
96. ## MATH 116

Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26 and in January 2006 the price of regular unleaded gasoline was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997,

asked by ggift on November 4, 2009
97. ## ALGEBRA 2 HONORS

A container is to be made in the shape of a cylinder with a conical top. The lateral surface areas of the cylinder and cone are S1 = 2(pi)rh and S2 = 2(pi)r√(r^2 + h^2). The surface area of the base of the container is B= (pi)r^2. The height of the

asked by Philip on December 7, 2016
98. ## Math

Jessica attains a height of 4.7 feet above the launch and landing ramps after 1 second. Her initial velocity is 25 feet per second. Find the angle of her launch. a. Which equation can you use with the given information to solve for theta ? b. Substitute

asked by Bri on March 1, 2019
99. ## Algebra

A laser is raised 9 in. up of a reflective table and pointed so that the beam hits the table 10 in. from the edge. The laser beam follows a path defined by the absolute value function: v(j)=45j-10 where v is the vertical height and j is the horizontal

asked by Ineedhelpbadlyplz on October 31, 2018
100. ## CHEM:

The bond enthalpy of the Br−Cl bond is equal to ƒ¢H‹ for the reaction BrCl(g) ¨ Br(g) + Cl(g). Use the following data to find the bond enthalpy of the Br−Cl bond. Br2(l)--->Br2(g) ƒ¢H=30.91 KJ/mol Br2(g)--->2Br2(g) ƒ¢H=192.9 KJ/mol

asked by April on June 6, 2012