# 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 670
1. ## Calculus

F (x ) = x^5 + 2x^3 + x − 1 a) What conditions must f (x ) satisfy in order to have an inverse function? Does is satisfy these conditions? why or why not? b)Without finding an explicit function for for f^-1(x), find f^-1(3) and (f^-1)'(3)

asked by Claire on August 31, 2012
2. ## Math

One side of a triangle is half the longest side. The third side is 7 less than the longest side. The perimeter is 53 feet. Find the three sides

asked by Grace on February 12, 2015
3. ## precalc!!!!!

find the point on the line y=2x-1 which is closest to the point (2,-1). I used distAnce formula and got D= (square root 5x^2 -4x +4) I did.... D=square root (2-x)^2 + (-1-(2x-1))^2 What do I do now?

asked by L.Bianchessi on March 9, 2012
4. ## statistics

In a population of exam scores, a score of X=88 corresponds to z= +2.00 and a score of X=79 corresponds to z= -1.00. Find the mean and standard deviation for the population.

asked by Jen on September 25, 2009
5. ## Algebra

when x number units are sold, the price of each unit (in dollars)is given by P = -x/2 + 75, find the unit price when the quantities are sold: 2,7,9,11

asked by Karen on August 31, 2007
6. ## Finite Math

Suppose a family has 5 children. Suppose the probability of having a girl is 1/2. find the probability that the family has exactly 3 girls and 2 boys?

asked by Maria on February 10, 2010
7. ## Geometry

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. 8 : 15 64 : 225 15 : 8 225 : 64

asked by Ash on January 21, 2012
8. ## Maths

a mother is three times as old as her daughter five years later the mother will be two and a half times as old as her daughter and find their present ages

asked by Anonymous on May 23, 2016
9. ## Maths

a mother is three times as old as her daughter. five years later, the mother will be two and a half times as old as her daughter. Find their present ages.

asked by Raghav on May 23, 2016
10. ## math

a diameter of a sphere can be measured with a maximum error of 0.2cm . Find the corresponding error volume of a sphere whose diameter is 90 cm.

asked by chev on September 25, 2015
11. ## Prealgebra

The sum of an integer and the next greater integer is at most 15. Write an inequality to find the lesser integer. Then slove for the lesser integer.

asked by Jillian on February 28, 2008
12. ## calculus1

Set up the integrals that can be used to find the area of the region by integrating with respect to X and Y (the region is bounded by y=3x,y=x,y=4-x) Anyone help me set up the integrals??

asked by karen on June 8, 2015
13. ## math

Pramod is 15 years younger than his sister after 5 years he will be half his sister age find the present age

asked by shubham on September 25, 2015
14. ## math-algebra

The perimeter of a rectangle is 174 inches. The length exceeds the width by 11 inches. find the length and the width.

asked by Michelle on July 12, 2010
15. ## Using the remainder

use the remainder theorem to find the remainder when f(x) is divided by x - 3. Then use the factor theorem to determine whether x-3 is a factor of f(x) f(x)=2x^3-10x^2+11x+12

asked by Jenn on March 24, 2013
16. ## statistics

a machine has 0.04 probability of producing a defective item. If it produces 6 items find: a. probability none is defective b. at least one is defective c. all are defective

asked by tiffany on March 17, 2014
17. ## Calculus

Use Leibniz's rule to find dy/dx. **Leibniz's rule: If g(x) and h(x) are differentiable functions and f(u) is continuous for u between g(x) and h(x), then d/dx of the integral from g(x) to h(x) of f(u) du = f[h(x)]h'(x) - f[g(x)]g'(x) y = the integral from

asked by Shelby on October 2, 2011
18. ## math

the length of a rectangle is 2 less than 3 times the width. the perimeter is 20 cm. find the length, width, and area of the rectangle. i got stuck after L=3W-2 but i'm not sure what to do after.

asked by ali on December 5, 2016
19. ## math

Two articles are bought at the same price. one is sold at 20% profit and other is sold at 10% loss find overall profit /loss percentage.

asked by vipul on June 25, 2016
20. ## math

A goat is tied with 1 vertex of a shed with the distance of 10m.Find out how much distance the goat can grace around the shed?

asked by Lekhana on July 27, 2018
21. ## geometry

Find the similarity ratio and the ratio of perimeters for two octagons with area 18 square inches and 50 square inches

asked by larry on July 18, 2012
22. ## algebra

the perimeter of a rectangle is 226 inches. the length exceeds the width by 37 inches. find the length and the width.

asked by Sarah M. on July 24, 2011
23. ## Math

The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram.

asked by Sara on February 23, 2017
24. ## math

a pet store has 8 tanks. each tank has 9 fish in it. write an equation to find how many fish, f, the pet store has in all.

asked by Anonymous on November 24, 2013
25. ## Math

The length of a rectangle is 11 cm less than 3 times its width. If the area of the rectangle is 20 square inches, find the length and width

asked by Alex on May 2, 2013
26. ## Physics

Find the center of mass of two objects, one of mass M and one of mass m, separated by distance L? At R1 = L * (1 - m/(m+M)) from m and R2 = m * L/(m+M) from M At R1 = L^2 x (1 - m/(m+M)) from m and R2 = m * L^2/(m+M) from M At R1 = m * L/(m+M) from m and

asked by Shantal on January 30, 2016
27. ## math

a square lawn 4m wide path surrounding it.if the area of the path is236m find the area of the lawn

asked by abhilasha on November 1, 2016
28. ## Math

a ladder reaches 18 feet up the side of a building with its base 5 feet from the building. Find the slope of the ladder.

asked by Jeanette on December 8, 2010
29. ## math

find three rational numbers between the negtive square root of 26 and the negtive square root of 15 and explain how you got the answer

asked by bob on December 17, 2010
30. ## math

A triangle as a perimeter of 53 cm. The shortest side of the triangle is 2 cm more than 1/3 of the longest side and the other side is 5 cm less than the longer side. Find the dimensions.

asked by Raina on July 25, 2015
31. ## chemistry

Given that 1mole of propane react with 5 moles of Oxygen.find the number of moles of Oxygen reacted with 2.2g of propane

asked by Kealeboga on October 26, 2014
32. ## MATH

The base and height of a triangle are in the ratio 5:3.if the area of the triangle is 67.5 square metre.find its base and height.

asked by RIYA on October 23, 2011
33. ## algebra

The sum of the two digits of a number is 11 .the difference between the original number and the number formed by interchanging the digits is 9 .find the number.

asked by komal on November 23, 2016
34. ## ANOTHER TRIANGLE MATH PROB!

The triangles below are similar. Find the value of x. (the big triangle has two sides that say 21, and the bottom says 24. The small triangle has two sides that say 10.5, and the bottom is X)

asked by Agal on November 17, 2016
35. ## Calculus

Please help? Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find the formula for F(a).

asked by Claudia on September 14, 2011
36. ## 3 grade math ms sue

1- Michael used addition to find 8*100 and he said product is 80. What did he do wrong? my son did it- the product is not 80 it's 800. 8*100=800

asked by dw on June 6, 2012
37. ## mat116

help me please. the perimeter of a rectangle is 120 inches. The length exceeds the width by 10 inches. Find the length and the width.

asked by cindy on January 2, 2011
38. ## Math

Suzanne is 4 years elder to her brother Robert. If sumit of their ages is 22 years, find how old is Suzanne and Robert are?

asked by Saianshi on December 2, 2018
39. ## math age problem

raiven is 8 years more than rolf and miguel is 2 years younger than rolf.the sum of their ages is 6o. find their ages

asked by riko on February 17, 2016
40. ## Maths

the cost of ploughing a square field at ₹13.50 per meter is ₹5400 find the cost of fencing the field at ₹28.50 per meter

asked by Nishta on February 20, 2017
41. ## ALGEBRA 1

The square of an integer is 30 more than the integer. Find the integer. Is there some sort of equation to use to solve this? And how can the square of an interger actually be 30 more than the integer? I am confused!

asked by Dippy on March 8, 2009
42. ## college algebra

use the remainder theorem to find the remainder when f(x) is divided by x-2. Then use the factor theorem to determine whether x-2 is a factor of f(x). f(x)=4x^3-10x^2+13x-13

43. ## algebra

find the slope of the line through the folling pairs of points. (-5, -3) and (-5,2) Since the two points are on a vertical line (how does one know that?), the slope is infinite.

asked by dee on May 19, 2007
44. ## Math

Andrea has an equal number of apples in two baskets. There are z + 16 apples in one basket, and 23 apples in the other basket. How many apples should she remove from both to find the value of z?

asked by Ryan on September 18, 2012
45. ## trigonometry

About how far does the tip of a 1.8m pendulum rise as it swings 24 degree to one side? I use the cosine to find how far the tip of pendulum rise. i get 1.9m.

asked by TD on January 14, 2015
46. ## math

if the area of the square inscribed in a semicircle is 2cm^2,find the area of the square inscribed in a full circle

asked by flora on October 13, 2016
47. ## Vectors/Calculus

The question asks me to find the area of the triangle with the given vertices. (The area A of the triangle having u and v as adjacent sides is given by A=1/2 ||u x v||.) the vertices are: (0,0,0) (1,2,3) (-3,0,0)

asked by Krista on April 7, 2013
48. ## math

A sample of four families with three children each was taken.find the probability that one family has two girls,two families have three girls and one family has three boys.

asked by farahan on April 2, 2016
49. ## Math

Find the average value of the function over the given interval and all values of x in the interval for which the function equals its average value. f(x) = 4x3 − 3x2, [−1, 2]

asked by Emily on November 18, 2016
50. ## Algebra ll

Please help!! I do not understand any of this!! Use the remainder theorem to find the remainder when f(x) is divided by x+4. Then use the factor theorem to determine whether x+4 is a factor of f(x). f(x)=4x^6-64x^4+x^2-18

asked by Sherri on May 11, 2015
51. ## Math

The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram.

asked by Steve on February 23, 2017
52. ## Chemistry (molarity)

How would I find the moles of NaOH solution that was used to titrate? I have 20.01mL of HCl used and 15.95mL of NaOH solution was used to titrate.

asked by Ray on November 10, 2016
53. ## math

One side of triangle is 5 more than 2 times the shortest side. The third side is 23 feet more than the shortest side. The perimeter is 72. Find all three sides.

asked by j on February 10, 2017
54. ## aLgebra

the perimeter of a rectangle is 136 m. The length is 2m more than twice the width. Find the dimensions what is the length? ____m? what is the width ____m?

asked by akaray on December 17, 2009
55. ## Math : Statistics

The length of a rectangle is 2 meters more than 2 times the width. If the area is 12 square meters, find the width and the length.

asked by Keonn'a on November 2, 2018
56. ## mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

asked by monica on August 21, 2011
57. ## MATH

THE BASE AND HEIGHT OF A TRIANGLE ARE IN THE RATIO 5:3. IF THE AREA OF THE TRIANGLE IS 67.5 SQUARE METRE; FIND ITS BASE AND HEIGHT.

asked by RIYA on October 23, 2011
58. ## algebra

The perimeter of a pool is 64 feet and has a width of x and a length of x-4. Write an equation and find both the width and length of the pool.

asked by bob on February 1, 2014
59. ## trig

an angle with the radian measure of 9pi/5. find radian measure of its reference angle. answers: -4/5, 4pi/5, -pi/5, or pi/5

asked by Kayla on May 17, 2012
60. ## algebra 1

the length of a rectangle is equal to double the width find the length ll and the width w of the rectangle if the perimeter is 76cm

asked by Anonymous on November 9, 2016
61. ## gnmps

The ratio of madhus age and karinas age is 6:7.after 12years the ratio of their ages will be 12:13. Find their present ages?

asked by navjot on August 2, 2015
62. ## ALGEBRA

How can I find tHe equivalent expression of -(92u+86x-44). I thought about changing the whole expression but it did not work ex: -92u-86x+44

asked by Learner on December 10, 2009
63. ## algebra

Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 to n. Then find the sum of the whole numbers from 1 to 50. 1+2= 2•3/2 1+2+3= 3•4/2 1+2+3+4= 4•5/2

asked by Anonymous on September 8, 2013
64. ## algebra

the perimeter of a rectangle is 182 inches the length exceeds the width by 59 inches find the length and the width

asked by felicia on March 30, 2012
65. ## Algebra

Let a and b be real numbers, where a

asked by Trish Goal on November 7, 2014
66. ## Calculus

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find the formula for F(a).

asked by Catherine on September 14, 2011
67. ## Math

Uranus is approximately 2.74 x 10^9 km away from the Sun at perihelion and 3.00 x 10^9 km at aphelion. Find the eccentricity of Uranus's orbit given that the perihelion is r = a(1 - e) and the aphelion is r = a(1 + e).

asked by Cameron on April 25, 2018
68. ## Chem

I'm trying to find the number of protons and neutrons for Carbon-14. The mass number is twelve, but how do you determine the protons and the neutrons, and what are they? Thanks!

asked by Em on May 28, 2009
69. ## algebra

The perimiter of a rectangle is 150 inches. The length exceeds the width by 29 inches. Find the length and width.

asked by Anonymous on April 5, 2010
70. ## statistics

In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find the mean and standard deviation of the population.

asked by Teresa on March 17, 2010
71. ## math

The cost of sending the first 10 words is sh. 2000. Find the cost of sending the five words. math question please i need your help guys.

asked by kevi on April 4, 2019
72. ## algebra

Find the minimum and maximum values of the objective function subject to the given constraints? Objective Function: C=4x+5y Constraints: x>=0, y>=0, x+y

asked by emily on April 4, 2010
73. ## statistics

In a population of exam scores, a score of x=88 corresponds to z=+2.00 and a score of x=79 corresponds to z=-1.00. Find the mean and standard deviation for the population.

asked by Tegan on February 5, 2008
74. ## Algebra

In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

asked by Dora on March 10, 2010
75. ## math

f(t) = t2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

asked by isabella on October 12, 2010
76. ## algebra

In a triangle ABC , angle B is 4 times angle A and angle C is 17 degrees less than 5 times angle A. Find the size of the angles.

asked by Sam on September 21, 2010
77. ## mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

asked by monica on August 21, 2011
78. ## word problem

bisi and ada age added up to 29, 7 years ago bisi was twice as old as ada, find their present age.

asked by emma on November 21, 2011
79. ## algebra

james collects 15 rocks. six of the rocks are smooth. the,rest of the rocks.r are rough. which equation can be used to find how many rocks are rough?

asked by stephie on October 15, 2012
80. ## math

The parallel sides of a trapezium are 65 m and 40m. non parallel sides are 39m and 56m. find the area of the trapezium.

asked by shashank mishra on March 5, 2017
81. ## math

f(t) = t^2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

asked by isabella on October 12, 2010
82. ## Math

On a scale drawing inch = 10 miles if the length of the road of this scale is 4inches how would you find the length of the road

asked by Kya on April 18, 2017
83. ## algebra

the permeter of a rectangle is 148 inches the length exceeds the width by 52 inches find the length and width..

asked by math on January 17, 2010
84. ## maths

a regular dodecagon has a side lenght of 5.6cm find the side lenght of a regular octagon that has the same perimeter?

asked by holly on December 6, 2011
85. ## Math

In triangle XYZ, |XY|= 8 cm and |YZ|=6m. The area of triangle XYZ is 12cm^2. The |

asked by Anonymous on October 18, 2012
86. ## trig

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm

asked by Abigail on April 16, 2008
87. ## maths

sum of the digits of a two digit number is 12. the given number exceeds the number obtained by interchanging the digit by 36. find the given number.

88. ## Algebra

The sum of the ages of Dave and Ted is 48. Eight years from now, Ted will be 3x Dave's age. Find their present age.

asked by Filipinas on September 22, 2016
89. ## algebra

The denominator of a fraction is 3 more than twice the numerator. If both the numerator and denominator are decreased by 7 and the simplified result is 7/19 find the original fraction

asked by Tammy on March 30, 2017
90. ## Pre-Algebra

The length of a rectangular jewelry box is 5 inches more than twice the width. The perimeter is 28 inches. Find the length and the width.

asked by Willie on November 29, 2010
91. ## Calculus

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis). Find a formula for F(a).

asked by Catherine on September 9, 2011
92. ## pre-algebra

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2

asked by BleakTuber on December 12, 2018
93. ## math

trying to help the kid with hw but not smart enough. please help. Thank You! -(5/7) ^ -2/5 can be written as -(a)^b where "a" is a positive rational number that is greater than 1 and "b" is a positive rational number that is less than 1. Find 'a' and 'b'

asked by john on February 8, 2015
94. ## Algebra

Let a and b be real numbers, where a

asked by Trish Goal on November 9, 2014
95. ## algebra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 54 inches find length and width.

asked by donna on October 12, 2010
96. ## Math Help!

1. Find the product. (2x)(10x) 20x 12x 20x^2 5x 2. -3m(m + 8) -3m^2 + 24 -3m^2 + 24m -24m^2 -4m + 5 3. 4d(2d - 9) 8d - 36d -d -28d^2 8d^2 - 36d

asked by Allison on May 21, 2014
97. ## math

The sum of the age of mira and shaheena is 40 years after 10 years mira will be twice as old as shaheena find their present ages

asked by mehtab on January 28, 2016
98. ## math

Family passes to an amusement park cost \$54 each. Which expression can be used to find the cost in dollars of 8 family passes?

asked by Anonymous on September 14, 2016
99. ## math

In a triangle ABC,angle B is 3 times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

asked by Anonymous on September 18, 2010
100. ## Math

A bicycle lock has a 4-digit combination. Each of the digits is a number from 0 to 9. Find the probability that the lock has a combination in which 3 of the 4 digits are 3s

asked by KK on May 1, 2013