# 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

93,754 questions, page 532

A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain. How do I find the answer? I am not sure what equation to use.

asked by maczinthehouse on September 15, 2016
2. ## math

the sum of 5/3 and twice a number is equal to 16/3 subtracted from three times the number. find the number

asked by mandy on December 12, 2012
3. ## maths

four times a certain number is equal to the number subtracted from forty.find the number

asked by bello on August 9, 2016
4. ## Maths

Given that sin theta=5/7 and theta is acute. Find without using the table value of cos theta

5. ## maths

If sin teta=7/25then find the value of sec teta+tan teta

asked by razvi on March 2, 2017
6. ## algebra

Monika had 5 boxes of chocolates with her. If each box contains 25 chocolates. find the total chocolates she had.

asked by Rahul on June 22, 2014
7. ## calculus

(a) Find the number c such that the limit below exists. Limit as x goes to -2 of: x^2+cx=c-3/x^2+2x (b) Calculate the limit for the value of c in part (a).

asked by Andrew on October 24, 2012
8. ## math

Please help me to find the mode of each set of numbers.41, 43, 56, 67, 69, 72 There is no mode here. Mode is the most frequent value, all are the same frequency here.

asked by carmen on April 11, 2007
9. ## geometry

The diagonal of a rectangle measures 26 cm the width of the rectangle is 24 cm find the length of the rectangle.

asked by Chelle on March 26, 2011
10. ## math

the length of the hypotenuse of a right triangle is 15 ft. the length of one legs is 9 ft. find the length of the other leg. a) 6 ft b) 21 ft c) 12 ft d) 18 ft

asked by victoria on November 14, 2013
11. ## Math

If the product of hcf n lcm of two numbers is 119 then find the two numbers if one of the numbers is not 1

12. ## math

a square has an area of 256 square inches. Find the perimeter of the square.

asked by Ayanna on October 26, 2017
13. ## Calc

If n is a positive integer, find the limit as n approaches +∞ of 1/n(sin (π/n) + sin (2π)/n + ... + sin (nπ)/n)

asked by Erica on February 21, 2011
14. ## Math

The square root of twice a number is equal to one-half of that number. Find the number.

asked by Jim on November 10, 2016
15. ## Math

Find all numbers \$r\$ for which the system of congruences: x == r mod 6 x == 9 mod 20 x == 4 mod 45 has a solution.

asked by Anonymous on September 30, 2016
16. ## Geometry

Find the surface area for each of the following Rt. Square Pyramid 6.5cm 2.5cm,2.5cm

asked by crystal on January 10, 2011
17. ## Basic Algebra

if 5 is added to a number and the sum is tripled, the result is 27 more than the number. Find the number

asked by Catherine on July 10, 2011
18. ## math

The perimeter of a rectangle is 72. the length of the rectangle is twice the width. Find the dimensions of the rectangle.

asked by Erin on December 11, 2014
19. ## math

The larger of two numbers is 7 less than twice the smaller number. The sum of the two numbers is 44. Find the two numbers

asked by Anonymous on February 27, 2018
20. ## MATHS

The three Angles of a triangle are (x-25)degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.

asked by JERMAINE on February 9, 2010
21. ## Math

In the rhombus, angle 1=15x, angle 2=x+y, and angle 3=30z. Find the value of each variable.

asked by Sierra on March 10, 2014
22. ## algebra

Find the equation using a slope-intercept form if possible.. x-intercept −1, y-intercept −2 I do not know how to start this.. HELP!

asked by sarah on January 27, 2012
23. ## trig

if sec theta=-5/4 and 180degree < theta< 270degree, find tan theta a.-3/5 b 4/5 c.3/4 d.3/5

asked by minh on May 8, 2011
24. ## careers

I'm doing the following subjects so I struggle to find the career choices,I need help on knowing the subjects of those subjects please help

asked by Basetsana on October 8, 2019
25. ## Trig

Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta

asked by Betty on September 21, 2011
26. ## Math

(a) Find the number c such that the limit below exists. Limit as x goes to -2 of: x^2+cx=c-3/x^2+2x (b) Calculate the limit for the value of c in part (a).

asked by Andrew on October 24, 2012
27. ## Algebra

The difference between 5 times a number and 20 equals the sum of the number and 40. Find the number

asked by Ryan on December 1, 2016
28. ## Math

Find each function value. h(x) = x^2 - 8x + 1 h(-1) plug in My answer is 8. The correct answer is 10 ? I don't how the answer is 10

asked by Aria on December 8, 2016
29. ## geometry

in a triangle D =h+4, area of triangle is 120 sq .cm . then find the base and height of triangle

30. ## math

The ratio of the radii of two circles is 2:3. Find the ratio of their circumference and the ratio of their areas

asked by mansi on August 23, 2012
31. ## Algebra HELP!!

Find the measure of each angle. Angle A is half as large as its complement angle B

asked by J on September 29, 2013
32. ## math,word problem

Twice the square of a certain whole number added to 3 times the number makes 90.Find the number.

asked by Raha on September 17, 2011
33. ## calculus II

Using integration by substitution. find the exact value of integral from [0,9/16] sqrt(1 - sqrt(x))/(sqrt(x))

asked by Alex on December 10, 2011
34. ## ALGEBRA 1

The square of a number is equal to the sum of 21 and 4 times the number. Find the number

asked by CRAig on January 4, 2012
35. ## algebra 2

how to find the value of sec theta -15/4 and Tan theta 12 when theta is greater than zero and less than 360

asked by amy on April 1, 2017
36. ## PRE - CALCULUS

Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x - 3,lim x -->5 f(x)

asked by Ciara on April 14, 2015
37. ## Algebra/I hope this is the last time.

Find three ordered pairs that satisfy the equation. y=x+4 x,y= (0, answer 0,4 x,y= (1, answer 1,5 x,y= (2, answer 2,1 Thank you everyone very much.

asked by Mary Ann on June 11, 2014
38. ## math

when I add a number to another number four times as big, the result is 30. find the first number.

asked by Ifey on February 8, 2016
39. ## Geometry

In the accompanying diagram, ABC and AB are congruent to BC. If the coordinates of C are (2,3) and the coordinates of B are (0,0), find the coordinates of A.

40. ## Math

Find the intersection of two lines. i have the answer just please tell me how it was made 4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y= 9/5 4x-3(-9/5)-4=0 5(4x+27/5-4=0) 20x+27-20=0 20x+7=0 20x/20=-7/20 x=-7/20 (-7/20, -9/5

asked by Joy on July 1, 2014

If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) cos(4/5 - 5/13) Is this what I would do?

asked by Bryan on March 19, 2010
42. ## Pre - CALCULUS

Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x - 3,lim x -->5 f(x)

asked by Ciara on April 15, 2015
43. ## Math

If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) cos(4/5 - 5/13) Is this what I would do?

asked by Bryan on March 19, 2010
44. ## pre calc help please!!!!

given that lim f(x) = 5 x->x and lim g(x) = -7 x -> c find lim [f(x)+g(x)]^2 x-> c a. limit does not exist b. -175 c. 4 d. 245 e. -70

asked by lottie on September 2, 2016
45. ## problems involving equation

14 Is added to ⅔ of a number. the result is 1¼ times the original number. find the number

asked by esther on August 16, 2015
46. ## fundamentals of math

if 3 is added to a number and this sum is doubled, the result is two more than the number. Find the number.

asked by laura on January 17, 2013
47. ## Maths

The three angles of a triangle are (x-25) degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.

asked by Jermaine on February 9, 2010
48. ## geometry

Find the longest side of triangle ABC, if measurement A=70, measurement B=2x-10, and measurement C=3x+20.

asked by sarah on February 5, 2009
49. ## Calculus

I need to find the second derivative of y=x(x-1)^1/2. I found the first derivative is 2x-1/2(x-1)^1/2, if someone could check, but I am miserably stuck on the second derivative.

asked by Amie on April 18, 2011
50. ## math

1 number is selected at random from 0-9,find the probability that number is odd number

asked by kapil on March 21, 2016
51. ## Calculus

If the local linear approximation of f(x)=4x+e^2x at x=1 is used to find the approximation for f(1.1), then the % error of this approximation is Between 0% and 4% Between 5% and 10% Between 11% and 15% Greater than 15%

52. ## Math

If sin (theta+24)=costheta where theta is acute angle .find theta

asked by Manish on June 10, 2017
53. ## math

given that a and b are rational numbers, find the value of a and of b in the following equation: a-bsquareroot7 = (2+squareroot7)(2-squareroot7)+squareroot7

asked by kayleigh on March 19, 2016
54. ## math

14 is added to 2/3 of a number.the result is 1 1/4 times the original number.find the number

asked by mma on September 4, 2016
55. ## math

If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) cos(4/5 - 5/13) Is this what I would do?

asked by Bryan on March 19, 2010
56. ## Math

Bayes' theorem problem, Struggling with this the whole night, please help.Thank you. Two states of nature exist for a particular situation: a good economy and a poor economy. An economic study may be performed to obtain more information about which of

asked by Queenie on July 4, 2016
57. ## Economics

I'm supposed to use a price index for GDP chart to find the GPD deflator of 1983 how do i do that? To get the chart google nipa bea chart,click the first choice, and select tale 1.1.4

asked by Mark on May 9, 2010
58. ## physicS

A block slides down a frictionless plane having an inclination of 14.6°. If the block starts from rest at the top and the length of this incline is 1.90 m, find the acceleration of the block. can someone just help me out with the equation I should be

asked by West on November 3, 2010
59. ## math

Three cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of the given event. (Round your answer to four decimal places.) Three cards of the same suit are drawn

asked by Anonymous on October 24, 2015
60. ## Math

The displacement from equilibrium of an oscillating weight suspended by a spring is given by y(t) = 2 cos 6t, where y is the displacement in centimeters and t is the time in seconds. Find the displacement when t = 1.45, and round your answer to four

asked by Anonymous on September 11, 2015
61. ## geometry

Need to find the perimeter in feet... The width is 35ft and 5in The length is 10ft and 3in Need to write the answer in feet... If there is anybody that can point me in the right direction.. I know I have to convert in. into feet.. and 12in= 1 foot

asked by Bridget on December 7, 2011
62. ## Pre-Algebra

Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A \$100 digital watch is now \$72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is

asked by Dean on October 27, 2009
63. ## help

A person standing 34 meters from the foot of a chimney finds that the measure of the angle of elevation to the top of the chimney is 52 degrees. To the nearest tenth of a meter, find the height of the chimney.

asked by Anonymous on May 30, 2014
64. ## Physics

If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of

asked by name on February 15, 2014
65. ## physics

The altitude of a hang glider is increasing at a rate of 7.35 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 14.5 m/s when the sun is directly overhead. Find the magnitude of the glider's velocity.

asked by Anonymous on September 5, 2012
66. ## Math (Calc) (Differential Equation Solution)

Some of the curves corresponding to different values of C in the general solution of the differential equation are shown in the graph. Find the particular solution that passes through the point (0, 2). y(x^2+y) = C 2xy + (x^2+2y)y' = 0 How would I start

asked by Ray on May 30, 2017
67. ## Solid Mensuration

Find the lengths of the sides of the cylcic quadrilateral if one diagonal coincides with a diameter of a circle whose area is 36pi cm squared. The other diagonal measures 8 cm meets the fist diagonal at right angles.

asked by Jayson on November 2, 2014
68. ## physics

Block B weighs 708 N. The coefficient of static friction between block and table is 0.32. Assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.

asked by annamaria on September 28, 2010
69. ## Math

A rectangular beam is to be cut from the log into a circular cross section. If the strength of the beam is proportional to the width and the square of the depth, find the dimensions that will give the strongest beam

asked by Chidera on September 11, 2019
70. ## Multiplevariable calculus

Hello, I have to find the volume of the region enclosed by the paraboloid z=(x^2)+(y^2) and the planes z=1 and z=3 , so well i am struggling about the limits of each integral. I know that I can use cylindrical coordinates, but what about the limits in z? I

asked by Alice on August 27, 2017
71. ## physics

A 62.0 kg diver falls from rest into a swimming pool from a height of 3.50 m. It takes 1.92 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.

asked by rory on March 1, 2008
72. ## Pre-calc

Can someone please show me the steps to this problem...Thanks in advance. Let f(x) = Ð9xÐ. For the area above the x-axis and between the lines x= -9 and x=18 a. draw and label a sketch with the area shaded b. find the area of the region in the xy-plane

asked by Amy on December 7, 2010
73. ## Physics

A car that weighs 14600.0 N is initially moving at a speed of 58.0 km/hr when the brakes are applied and the car is brought to a stop in 4.7 s. Find the magnitude of the force that stops the car, assuming it is constant.

asked by Katie on February 3, 2012
74. ## chemistry

Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution. I am really confused on how to find t here? Can someone help? I can set up the rest of the

asked by Student101 on May 10, 2015
75. ## MAth

500 candidates appeared for a certain test. The mean scores was 59 and variance was 25. Assuming the distribution to be normal. find 1.% of candidates scoring 64 and above. 2. No. of candidates having score between 54 and 69. ( Given : For a s.n.v.z, the

asked by Hemant on April 17, 2010
76. ## american government

so my Assignment says Search the internet, newspapers or magazines for current information on what Congress is doing. Find out all you can about what Congress is up to and how their actions will influence the American population. i was wondering does

asked by sarah on August 23, 2011
77. ## Trig

Find all values of theta where 0degrees

asked by Lara on February 13, 2016
78. ## Math

Finding the critical value(s) of x^2, and use a x^2 distribution table to find the limits containing the P-value. Determine whether there is sufficient evidence to support the given alternative hypothesis. Test Ho:theta=2.63,Versus H1:theta does not

asked by Cheryl on September 29, 2013
79. ## science

i am doing a science project comparing human and animal fingerprints. I can't seem to find out if cats and dogs have identifyiable fingerprints. does anyone know? thanks http://www.wonderquest.com/Fingerprints.htm thanks lance. that helped!

asked by cole on January 23, 2007
80. ## Pre-Calc

The displacement from equilibrium of an oscillating weight suspended by a spring and subject to the damping effect of friction is given by y(t) = (1/4)e^-t cos6t, where y is the displacement in feet and t is the time in seconds. Find the displacement when

asked by Anonymous on September 9, 2015
81. ## Physics

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. Find the average acceleration of the dragster during this time interval. Answer in units of m/s^2

asked by Lynn on June 29, 2013
82. ## Math

Find the three median y values that would form the summary points of the median-median line for the dataset table. X: 24.9, 7.2, 15.1, 19.8, 10.3, 2.7, 21.3, 14.7, 17.6, 14.9, 4.4, 7.4, 11.6 Y: 38, 40, 25, 35, 21, 26, 46, 24, 44, 21, 36, 22, 20 A. 0.293 B.

asked by AKIRAA on December 12, 2018
83. ## physics

A 62.0 kg diver falls from rest into a swimming pool from a height of 3.50 m. It takes 1.92 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.

asked by rory on February 28, 2008
84. ## Math Algebra 2

A rectangular garden is fenced on three sides with a wall forming the fourth side. the total length of the fence is 70m. the area if the garden is 600m^2. find the dimensions of the garden.

asked by Ana on March 20, 2011
85. ## Math (Algebra 1)

Consider the ages of 5 brothers: 32, 26, 28, 30, 28. Determine which of the following are true if a new brother is adopted at age 10. A) The median will decrease B) The mean will decrease C) The range will increase D) The standard deviation will decrease

asked by Jordan on October 19, 2013
86. ## trig

Question Part Points Submissions Used The angle of elevation to the top of a very tall Building is found to be 7° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building.

asked by sanam on October 2, 2011
87. ## PHYSICS

When a 8.88 kg mass is placed on top of a vertical spring, the spring compresses 4.54 cm . Part A Find the force constant of the spring. 8.88kg*9.81=87.1128 divided by4.54 =19.187N/CM 0.0001918784141 KN/M IS IT RIGHT? PLS HELP

asked by ani on March 25, 2017

The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C? Can you please check

asked by Elise on November 5, 2015
89. ## Grapes of Wrath

What are some examples of rhetorical strategies in the Grapes of Wrath by John Steinbeck? I've found six so far, but I can't seem to find anymore. I've found one or two foreshadowing, two similes, and one example of personification. I found a couple others

asked by Anonymous on August 17, 2009
90. ## Physics

An infinitely long line charge of uniform linear charge density λ = -3.00 µC/m lies parallel to the y axis at x = -2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I get 23.7

asked by Paul on October 9, 2011
91. ## algebra

Find the largest possible integer n such that there exists a non-constant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions: ~For (possibly negative or zero) integers m and k

asked by flex on May 13, 2013
92. ## Physics Honors

A basketball is thrown horizontally from a window that is 22 meters high. If the initial velocity of the ball 18 m/s, find how long the ball takes to reach the ground and how far the ball lands from the building?

asked by Allison on October 23, 2011
93. ## MATHS

Find the largest possible integer n such that there exists a non-constant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions For (possibly negative or zero) integers m and k

asked by HELP!! on May 17, 2013
94. ## math

A 4inch-thick concrete slab is being poured for a circular patio 14 feet in diameter. Concrete costs \$55 per cubic yard. Find the cost of the concrete, to the nearest cent.

asked by brittany on April 11, 2013
95. ## San Jose city college

Suppose a plane flying west a distance of 600 miles take 6 hours .The return trip take 5 hour . Find the airspeed of the plane and the effect wind resistance has on the plane?

asked by Hung on October 28, 2015
96. ## Math

A simply supported beam is 6 meters long and has a mass of 15 kg/m of length. It carries loads = 180 N and 270 N at points 1.2 meters and 3.6 meters from the left end respectively. Find the reactions.

asked by Todd on July 4, 2013
97. ## math

The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft

asked by Amanda on December 2, 2014

A 86.0 kg diver falls from rest into a swimming pool from a height of 6.30 m. It takes 1.86 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.

asked by Megan on February 11, 2011
99. ## physics

Three carts of masses 5 kg, 12 kg, and 3 kg move on a frictionless horizontal track with speeds of 5 m/s, 8 m/s, and 4 m/s, as shown in ﬁgure. The carts stick together after colliding. 5 kg 12 kg 3 kg 5 m/s 8 m/s 4 m/s Find the ﬁnal velocity of the

asked by ntirandekura on February 1, 2012
100. ## physic

Three forces F1 = (80.90i − 54.63j) N, F2 = (23.50i − 80.52j) N, and F3 = (−104.4i + 361.9j) N are exerted on a particle. The particle's mass is 23.11 kg. Find the particle's acceleration. (Express your answer in vector form.) a = m/s2

asked by joy on February 6, 2018