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

93,362 questions, page 388
1. health

hello,Im looking for a dependable website that has somthing like a scatter plot.i need it to show how many people and at what age die each year i have been looking for a while now and i cant seem to find any. please help me,and thankyou

asked by A+ student( ; on April 29, 2018
2. Physics

The moon is 384,000 km from the earth and makes 1 revolution in 27.3 days. Find its angular and linear speeds in its orbit.

asked by Art on January 31, 2011
3. AP calculus AB

How does Limit as delta x approaches 0 = 4x + 2deltax +1 simplify to 4x +1? I'm supposed to find the derivative using the limiting process orig equation: f(x) 2x^2+x-1

asked by Priya on October 1, 2011
4. MAth

Find the critical numbers, increasing intervals, x-values where f has an inflection point, and where the graph is concave down from the equation f(x)=2x^4-3x^3-10x^2+20

asked by Tyler on January 27, 2011
5. Maths

a chord of radius 20cm subtends an angle of 90 degrees at centre. find the area of the corresponding major segment of the circle

asked by Harshal on December 10, 2016
6. math

Find the volume of the solid formed by rotating the region enclosed by y=e^4x+3 y=0 x=0 x=0.7 this is my work V = ∫ e^4x dx {between x=0 and x=0.7} = 1/4 e^4x {between x=0 and x=0.7} = 1/4 (e^2.8 - e^0) = 1/4 (e^2.8 - 1) however i am etting the wrong

asked by sonia on October 29, 2009
7. Maths

An aircraft is timetabled to travel from A to B. Due to bad weather it flies from A to C then from C to B. Where AC and CB make angles of 27 and 66 degrees respectively with AB. If AC =220km find AB

asked by Rita on June 15, 2019
8. Algebra

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. sqrt of 3 and 4i disregard the first post, thanks!

asked by Jason on November 16, 2016
9. math

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2

asked by Andrew on March 17, 2013
10. science

A concave mirror having a radius of curvature 40 cm is placed in front of an illuminated point source at a distance of 30 cm from it.Find the location of the image.

asked by tiger on July 16, 2015
11. MATHEMATICS

Find the curved and total surface area of a right circular cone,of base radius 8cm and height 10cm

asked by JOHN on March 20, 2017
12. pre-cal/trig

PlEASE help me with this!! I need it as soon as possible....... cos(x-(pi/4))+sin(x-(pi/4))=1 Find the answer from 0 to 2pi. When I slove this, I got cosx+sinx=(1/ square root of 2). then I don't know what to do the rest. Please help me.

asked by aa on March 4, 2008
13. psy

need help finding two peer reviewed article which discusses the effects of optimism on physical and psychological health. please help me find those two sources. thanks

asked by rose (Ms. sue) on October 4, 2008
14. Math

Find the compound interest on rs 64,000 for 1 year at the rate of 10% per anum compounded quarterly. Could you please do it fast I need to give it tomorrow.

asked by Sana on December 10, 2016
15. Algebra

The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5. Use a graphing calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.

asked by Rachal on January 24, 2011
16. Maths

Mari is 3 times older then nandhini after ten years the sum of thare ages will be 80 find the present age???

asked by Anonymous on December 4, 2016
17. History: America Land I Love

How did Roger Williams view separation of church and state? --I kept reading the paragraph but I can't find the answer of HOW he viewed it. Should I reread it again?

asked by Losa on August 21, 2013
18. Calculus

Find the differential dy of the given function. y=sec^2x/(x^2+1) My answer was [tanx(x^2+1)-2sec^2x]dx/(x^2+1)^2 My friend (who's a lot smarter than me) got something wayyy different, so I'm not sure if I'm doing this wrong...?

asked by Lindsay on December 17, 2013
19. Maths

Bhupendra borrowed rs 6300 for a period of 2year 8month at 7%rate of interest per annum.find out how much amount he has to repay

asked by Vasif ansari on June 18, 2017
20. social studies

Ok, I have to write a comparative paper explaining that womyn are more likely to be trapped in the cycle of poverty than men. But, I need a primary source, where can i find one?? Thanks!

asked by Matty on September 20, 2009
21. science

a car reduced it's velocity uniformly from 21m/s to14m/s in 10seconds (A) find the retardation (B) the distance cover in this time

asked by kelvin on March 1, 2016
22. cal3

Using the chain rule, find the min and max points and their values of the composite function defined by: z= x^2 + y^2, x=sin(2t), y=cos(t)

asked by Lucy on February 27, 2012
23. Math - Calculus

Question: A box in the shape of a cuboid with a square base is to be made so that the sum of its dimensions (l + b + h) is 20cm. Find its maximum value.

asked by GZB on July 6, 2018
24. Chemistry

Find moles of atoms in 9.00g of Magnesium nitrate. And please tell me method of typing molecular formula of any compound as of water or etc.

asked by ABC on June 4, 2017
25. Math/Trig

Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest tenth.

asked by CJ on January 12, 2011
26. math

The real numbers x and y satisfy the nonlinear system of equations {2x^2 − 6xy + 2y^2+ 43x + 43y = 174 x^2 + y^2 + 5x + 5y = 30. Find the largest possible value of |xy|.

asked by jack on June 17, 2013
27. Chem

422g of ethyne and 190g of acetic acid find balanced equations and enthalpy calculations showing all steps

asked by Julie on April 11, 2014
28. Math (repost)

How do find the inverse function for this problem: f(x) = -(x+3)^2, x is greater than or equal to 3 I know the first thing you do is switch the variables, so it looks like this: x = -(y+3)^2 Then expand: x = -y^2-6y-9 And solve for y: x + 9 = -y^2-6y I get

asked by Monique on August 8, 2009
29. physics

a 150 metre long train crosses a bridge of length 250 metres in 25 seconds find its velocity

asked by harish on June 11, 2014
30. Math

The amount of Jen’s monthly phone bill is normally distributed with a mean of \$50 and a standard deviation of \$10. Find the 25th percentile. A. About \$46.30 B. About \$43.30 C. About \$43.40 D. about \$43.20 Answer : B---43.30

asked by angela on May 4, 2016
31. Math

A Japanese beetle has a length between 0.3and0.5 inch .Find two lengths that are within the given span .Write them as fractions in simplest form

asked by Cyara on October 2, 2017
32. Math

Find the image vertices for a dilation with center (0 0) and a scale factor of 4? I have the link to the pic but you have to put connexus.c.o.m infront of it

asked by cassie on January 3, 2016
33. math

Below is a diagram of a right triangle. The coordinates of the two vertices are shown. Find the lengths of sides f and g. Write your answers in terms of the variables f and g. f = √() g = √()

asked by zenayah on June 4, 2015
34. math

An IPAD regularly sells for \$ 225 . It is advertised a 20 % discount. Find the total costs of the TV including 7% sales tax.

asked by Stephany on January 26, 2017
35. physics

a mettallic rod of lenght l is rotated with speeed v in uniform magnetic field. find induced current if r is resistance.

asked by Rich on June 19, 2011
36. math

i already asked this question for how to divide (x^2 +2x) / 2x-1 i need to find the quoyient not how to simplify it. I need to use the quotient in order to graph an oblique asymptote. can it not be divided?

asked by lyne on November 15, 2009
37. sean science

thanks for your help the last study guide question asks us to sketch and lable a tRNA molecule and tell its function any suggestions where to find a picture

asked by sam on March 18, 2009
38. AP Calculus

Find the total area enclosed by the graph of y=(e^sinx)*(cosx) and the x-axis from x=0 to x=pi I got .0563331993 but when I checked it graphically I got 3.22765

asked by Leanna on March 6, 2011
39. calculus

Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. (Simplify your answers completely.) f(x) = 2x^2 + 7x

asked by dan on September 16, 2010
40. differential calculas

Find the instantaneous velocity and acceleration at the given time for the straight-line motion described by the equation: s= (t+2)^4- (t+2)^(-2) at t=1 Round to one decimal place.

asked by Preet on November 26, 2012
41. 123

A sample of size 50 has mean 20 and deviation 5. The value at highest concentration point is 16. It was later discovered that an item 12 was misread 30, find the value of coefficient of skewness

asked by Anonymous on November 19, 2011
42. college algebra

In 4 years, 30% of a radioactive element decays. Find its half-life. (Round your answer to one decimal place.) _____ yr

asked by Dee on November 17, 2013
43. Precalculus

Considering the line segment joining A(-5, 2) and B(7, 8), find an equation, in the form of Ax+By=C, that expressed the fact that a point P(x, y) is equidistant from A and from B. How would I go about even attempting this problem?

asked by Mark on January 20, 2016
44. Physics

A cubes weight 15N in air and 20N when totally immersed in water. Find the value of the cube of the density. Please I need the answer.

asked by KAUNA on February 15, 2017
45. Calculus (repost)

Use implicit differentiation to find dy/dx if cos xy = 2x^2 - 3y. I'm stuck on this problem because I'm getting thrown off on how to factor this. Here's my work so far: -{[(dy/dx)y + y]sin xy} = 4x - 3(dy/dx) -{[(dy/dx)y + y]sinxy} + 3(dy/dx) = 4x ...now

asked by Katy on May 31, 2010
46. Maths

A fair coin is tossed 5 times. If X is the discrete variable the # of tails obtained, a) Draw the probability distribution . b) Find P (X

asked by Zack on March 22, 2016

What process is being described" -the manufacture of carbohydrates, fats, and proteins -the taking in of water, food, and ions I cannot find these for the life of me. Thanks in advance.

asked by Cassandra on December 7, 2016

Approximate the equation's soultions in the interval (o, 2pi). If possible find the exact solutions. sin 2x sinx = cosx I do not know where to start.

asked by Abby on March 6, 2010
49. English

I'd like to know if the following sentences are possible. 1. He drove over the ramp (I can't find an example). He followed the signs to Milan and then left the motorway. 2. He stopped at the tollbooth and inserted the money in the ...

asked by henry1 on December 26, 2011
50. physics

Find the pottential energy of a boy of mass 10kg standing on a building floor 10 meters above the ground level p.e?

asked by Salisu on February 3, 2014

Find the lateral area of the square pyramid. I don’t understand this st all the measure ments are 8m 8m 22m pelase walk me through this!

asked by Becki! on February 28, 2019
52. Math

Find the ending balance in a account that opens with 6,480, earns 8.5% interest compounded monthly, and is held for 15 years.

asked by Linda on June 13, 2012
53. Math

Flip a fair coin 9 times. Find the probability of getting the following outcome. (Round your answer to six decimal places.) at least 5 heads

asked by Marisa on October 9, 2011
54. Math

equivalent expressions that can be used to find the final price of an item costing g dollars that is on sale for 15% off and charged 7% sales tax.?

asked by Anthony on November 15, 2016
55. CHEMISTRY A

an unknown compound contains 85.64% carbon with the remainder hydrogen. It has a molar mass of 42.08 g/mol. Find its empirical and molecular formulas.

asked by GABS on January 19, 2016
56. statistics

a company manufactures batteries in batches of 18 and there is a 3% defect rate. Find the standard deviation for a number of defects per batch?

asked by tara on May 12, 2012

Find the velocity (in m/s) of a free-falling object released from rest after it has fallen 100m. I don't understand the formulas to use or anything. please help.

asked by Gray on September 16, 2008
58. Physics

Roller Coaster Cart Mass = 200kg String Compressed by 5m Initial Velocity 25 m/s Find the Spring Constant

asked by Scoop on October 17, 2012
59. Calculus

Find the position s as a function of time t from the given velocity v=ds/dv. Then evaluate the constant of integration so that s = s0 when, t = 0. 1. v = 3t2 , s0 = 4 I don't quite understand what the question is asking or what is s0 mean. Than

asked by Shadow on January 12, 2014
60. Algebra

Use the quadratic formula to find the exact solutions of the equation. Show work. Simplify the final results as much as possible. 4x^2 – 16x + 25 = 0.

asked by Bonnie on July 8, 2009
61. geography

Hello I need to find important cities located in the colony Delaware before the year 1776, but I had trouble finding any information could someone possibly help out?

asked by steph on February 21, 2016
62. Statistics

In a random sample of 50, the average is 3987 with a population standard deviation of 630. How can one find the 90% confidence interval of the true mean?

asked by Tony on October 26, 2010
63. Stats formula

i have a hard time figuring out which formula's to use when solving problems. which would i use for the following: if X is a normal random variable with mean u=60 and a Std Dev.=2 find: A. p(x63) C. p(57

asked by April on April 3, 2009
64. Math

Find the standard equation of a parabola that has a vertical axis and satisfies the given conditions. x-intercepts −2 and 8, highest point has y-coordinate 5

asked by Ashton on November 10, 2014
65. Physics

A point light source is kept in front of a convex mirror at a distance of 40cm.find the position of image by drawing

asked by Sricharan on March 31, 2017
66. Earth Science

i need to find out how many rabbits it would take to eat 24.447,000 dandelions in 30 minutes at a rate of one dandelion in 7 seconds... any ideas how to set this up?

asked by Jill on October 9, 2008
67. College Algebra

Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division. f(x)=x^3-3x^2-33x+35

asked by Toni on December 8, 2014
68. Math

Find the area of a square with the radius 6√2 m. Round to the nearest whole number. A)51m^2 B)72m^2 C)144m^2 D)196m^2 My answer is B.

asked by Not Tellin' Ya Ma Name on May 25, 2017
69. chemistry

what is the significance of partial molar enthalpy of mixing? I tried to search the net but I did not get anything. I also tried to look at our textbook, which by the way, is by Peter Atkins but I find it insufficient. Please help me...

asked by kkk on July 13, 2008
70. calculus

find volumes of solids generated by revolving the regions bounded by the graphs of the equations about the given lines. y=square root of x y=0 x=3

asked by Pam on July 22, 2015
71. Maths

Find the number of pairs of non-negative integers (n,m), such that 1≤n

asked by ABCD on May 29, 2013
72. Math 112 Help hard one

Can you use the numbers 1 - 9, along with any math symbols and operations, to arrive at the answer of 100 when the 6 and 9 have a negative sign in front of them? There are many answers. See if you can find more than one.

asked by Dawn on March 30, 2013
73. fine arts

this one is hard for me to find exactly where it is in the book major artistic achievemnets in the 17th century were seen in A.France B.Spain C.Germany D.England

asked by y912f on January 9, 2009
74. art

i have to write a full A4 page with no pictures about Franz Marc but i can not find enough info i have when he was born where an when he died an some other stuff but i am not sure what else to think of an put in!!!

asked by sophie on January 9, 2009
75. geometry

In Exam Figure 7, AA′ = 33 m and BC =7.5 m. The span is divided into six equal parts at E, G, C, I, and K. Find the length of A′B. Round your answer to two decimal places.

asked by debbie on August 19, 2012
76. Pre Cal

Find b, given that a = 18.2, B = 62°, and C = 48°. Round answers to the nearest whole number. Do not use a decimal point or extra spaces in the answer or it will be marked incorrect.

asked by Marketa on January 27, 2017
77. chemistry

50ml of 0.3M SO4 is titrated against KOH & end point is reached when 35.3 ml of the acid is added.find the molarity of the alkali

asked by Luc on November 7, 2011
78. science

Another question. How do I find out how many molecules of water of hydration are in each formula unit of a compound? I want to solve the actual problem myself, but would like some headway.

asked by Rebekah on September 30, 2007
79. math

The price in dollars of a gallon of gasoline at the end of each month is recorded for one year. The results are: 1.19 1.28 1.55 1.76 1.85 1.85 1.83 1.76 1.66 1.52 1.48 1.47 Find the mode of these prices.

80. Mathematics

A rectangular peice of land measures 0.5 by 0.3 .If it is to be fenced with 4 rows of wire all along its four sides , find the cost of fencing if 1m costs ₹2

asked by Anushka Shrivastava on November 16, 2016
81. Calculus

Let f(x)=5x2+5x−12. Answer the following questions.Find the average slope of the function f on the interval [−1,1].Verify the Mean Value Theorem by finding a number c in (−1,1) such that f′(c)=m¯¯¯.

asked by Aggie123 on March 23, 2015
82. Math

Find the simple interest. Round your answer to the nearest cent. Principal = \$900 Rate = 4% Time in years = 3

asked by George on May 29, 2010
83. Physics

A particle has velocities 1m/s ,2m/s, 3√3m/s and 4m/s inclined at an angle of 0•, 60•,150• and 300• respectively to the x-axis find the resultant velocity in magnitude and direction

asked by Francisca on April 14, 2019
84. Pre Calc

Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x.

asked by Em on May 25, 2011
85. Calculus

Write the integral in one variable to find the volume of the solid obtained by rotating the first-quadrant region bounded by y = 0.5x^2 and y = x about the line x = 5.

asked by James on May 16, 2018
86. math

I am having a project about mathematicians on George Boole, and I NEED to include where he worked. I tried searching, but I could not find it. It would be helpful if you knew or found information. Thank you

asked by jelena on January 2, 2016
87. physics

a man raises a mass,m to a height ,h and then shifts it horizontally over a distance ,x. find the total work done against the force of gravity?

asked by jaggu on February 12, 2015
88. Economic applications

How do I find the factors affecting or determining demand of a fast moving consumer goods like washing machine detergent

asked by Sk Abul Aman on June 2, 2017
89. math

the perimeter of a rectangle is 96cm ,the width is 15cm find its lengh. this is homework wich i have to return on friday,plllllllllllleeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaassssssssssssseeeeeeeeeeeeee

asked by fizz on May 9, 2018
90. maths

a verandha is 40m long and 15m it is paved with stone each measuring 6dm by 5 dm. find the number of stones required.

asked by sehajjot on January 31, 2013
91. math

A manufacturing company finds that the daily cost of producing x items of a product is given by c(x)=210x + 7000. Find x using calculus

asked by Amy on October 29, 2014
92. math

i need help with just one question, and if i get it, ill be able to do the rest. Okay so its saying let height of a box be 4x+1, width be x-3, and length be 2x. Find the volume. So what do i do? how do i start solving this? its polynomials

asked by bill on May 23, 2011
93. trigonimetry

three circles of radii 27,38, and 42 centimeter respectively are tangent to each other. find the median to the longest side of the triangle formed by joining the centers

asked by gionas on October 27, 2016
94. cnn student news world georgraphy

yes i am i just finsihed watching the first one 8/20 vedio but i couldnnt find the part where it says shout out write the answer to today's shoutout? why is this significant?

asked by rachel on August 27, 2015
95. Maths

I am trying to work through the following equations and can't remember how to do them. I would appreciate if someone could show me how to do both questions so I can see the difference. Find the equation of the line that passes through A(4,-2) and is

asked by Mel on March 15, 2008
96. algebra

find the slope of the line that contains (1,6) and 10,9) i thought the answer was -3/9 ( negative 3 over 9) but i guess that is incorrect where did i go worng? any halp is greatly apreciated!

asked by julie on January 19, 2010
97. Foreign languages

I really hope you are there, Writeacher. Can you suggest an internet site where I can find a comment on Emily Dickinson's "I had been hungry all the years"? Thank you veru much.

asked by John on June 10, 2012
98. ap chemistry

Find the equilibrium constant for the reaction Cr(s) + Zn2+(aq)→Cr2+(aq) + Zn(s) if the standard cell emf is −0.76 V at the cathode and −0.91 V at the anode. RT - F= 0.025693 V

asked by Gabriella on September 27, 2013
99. Calculus

Use implicit differentiation to find dy/dx if cos xy = 2x^2 - 3y. I'm stuck on this problem because I'm getting thrown off on how to factor this. Here's my work so far: -{[(dy/dx)y + y]sin xy} = 4x - 3(dy/dx) -{[(dy/dx)y + y]sinxy} + 3(dy/dx) = 4x ...now

asked by Katy on May 31, 2010
100. Integral

find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx

asked by Mikey on May 25, 2013