# algebra 2

Most popular questions-
## Algebra 2

Find the values of the 30th and 90th percentiles of the data 18, 9, 7, 5, 11, 7, 17, 20, 19, 2, 17, 12, 5, 1, 13, 12, 11, 15, 16, 20 * 30th percentile = 9 90th percentile = 20 * 30th percentile = 9 90th percentile = 19 * 30th percentile = 11 90th

*asked by Skye on May 24, 2010* -
## Algebra 2

A sine function has the following key features: Frequency = 14π Amplitude = 2 Midline: y = 2 y-intercept: (0, 2) how would i graph this?

*asked by sammiexo on June 14, 2017* -
## Algebra 2

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 + 24 + ... a. Use summation notation to write the series, give i.the lower limit of the sum ii.the upper limit of the sum iii.the

*asked by Fading on March 27, 2017* -
## Algebra 2

What is the sum of the arithmetic series 5 (sigma sign) n-1 (3n-2)?

*asked by Dani on December 1, 2016* -
## Algebra 2

Use summation notation to write the series 2+4+6+8 for 10 term in each of these images, the lower limit of the summation notation is either n=1, or n=0

*asked by Lola on April 13, 2016* -
## algebra 2

A drama club is planning a bus trip to new york city to see a broadway play. the cost per person for the bus renatl varies inversely as the number of people going on the trip. It will cost $30 per person if 44 people go on the trip. How much will it cost

*asked by Amy on May 19, 2014* -
## Algebra 2

The dimensions in inches of a shipping box can be expressed as width x, length x + 1, and height x - 4. The volume is 84 ft^3. Find the dimensions of the box in feet. 1, 1, 4 2, 2, 21 2, 6, 7 3, 4, 7 Please help? If somebody can help put this into an

*asked by Fading on January 7, 2017* -
## Algebra 2

For the annual rate of change of +70%, find the corresponding growth or decay factor. 0.70 1.70 170 70 For the annual rate of change of -75%, find the corresponding growth or decay factor. -75 1.25 -0.75 0.25 I'm confused, please help? How can I solve

*asked by Fading on January 11, 2017* -
## Algebra 2

Suppose you invest $500 at an annual interest rate of 8.2% compounded continuously. How much will you have in the account after 15 years?

*asked by Deavan on November 27, 2012* -
## algebra 2

f(x)={2x,x1} Given the piecewise functions shown below, select all of the statements that are true. A.f(5)=1 B.f(2)=4 C.f(-2)=4 D.f(1)=5

*asked by karla on June 15, 2015* -
## Algebra 2

The temperature of a liquid during an experiment can be modeled by the function f(x)=3.8cos(πx20)+2.2 , where f(x) is the temperature in °C and x is the number of minutes into the experiment. What is the lowest temperature the liquid reached during the

*asked by sammiexo on June 6, 2017* -
## Algebra 2

some investments in the stock market have earned 10% annually. At this rate, earning can be found using the formula A=p(1.10)n, where A is the total value of the investment, P is the initial value of the investment, and n is the number of years the money

*asked by Cassie on December 10, 2013* -
## Algebra 2

The average daily maximum temperature for Laura’s hometown can be modeled by the function f(x)=4.5sin(πx6)+11.8 , where f(x) is the temperature in °C and x is the month. x = 0 corresponds to January. What is the average daily maximum temperature in

*asked by sammiexo on June 7, 2017* -
## Algebra 2

The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month. x = 0 corresponds to January. What is the average daily minimum temperature in

*asked by sammiexo on June 12, 2017* -
## Algebra 2

Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first four terms of the sequence? a{1} = first term of series ∞ Infinite Sum = ∑ a{1} •

*asked by Ke$ha on March 31, 2016* -
## Algebra 2

Am I correct? The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use the formula A = 2pi r2 + 2 pi rh. 2spi (3x2 + 10x – 8) 2 pi (12x2 + 7x-2) 2 pi (12x2 -2x +13) my answer 2 pi

*asked by Sandra on September 25, 2014* -
## algebra 2

i don't understand this word problem. Barnany's godfather is alway complaining that back when he was a teenager, he used to be able to buy his girlfriend dinner for only $1.50 a) If that same dinner that Barnaby's grandfather purchased for $1.50 sixty

*asked by axela on January 8, 2010* -
## Algebra 2

Rick deposits $1,000 into an investment account which earns 4% annually. Sally loans $1,000 to a friend, and the friend agrees to pay her $50 each year, and will return the $1,000 after 10 years. Determine the amount of money each person has after 10

*asked by Fading on January 11, 2017* -
## Algebra 2

Describe the graph of y=1/2x-10 -3 compared to the graph of y=1/x

*asked by Sally on October 17, 2016* -
## Algebra 2

How is the expression log 32 - log 8 written as a single logarithm? log 4 log 8 log 24 log 40

*asked by Sandra on February 13, 2016* -
## Algebra 2

what is the inverse of the given relation? y=3x+12 help explain the steps??

*asked by Jasmine on January 29, 2015* -
## Algebra 2

1. By graphing the system of constraints, find the values of x and y that maximize the objective function. 2

*asked by Fading on November 8, 2016* -
## algebra 2

if the equation for the regression line for the data set (3,6), (6,2), (9,10) is y=2/3x+2, what is the sse for the data set? A. 16 B. 10 C. 4 D. 24

*asked by kristy on December 22, 2016* -
## Algebra 2

What are the mean, variance, and standard deviation of these values? Round to the nearest 10th. 92, 97, 53, 90, 95, 98

*asked by Lea on March 13, 2013* -
## Algebra 2

Write an equation for the translation of y=5/x that has the asymptotes x=6 and y=7.

*asked by Caleb on May 24, 2014* -
## Algebra 2

Find the values of the inverse function in radians. sin^-1(0.65) a. 0.71+2pi n and -0.71+2pi n b. 0.71+2pi n and -3.85+2pi n c. 0.86+2pi n and -0.86 +2pi n d. -0.61+2pi n and 2.54+2pi n 2. tan^-1(0.09) a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d.

*asked by Fading on May 21, 2017* -
## Algebra 2

I'm working on Lesson 6: Absolute Value Equations and Inequalities Algebra 2 A Unit 2: Expressions, Equations, and Inequalities and feel confident in my first few answers, but beyond that am lost. May I have some help? **=the answer I believe to be true

*asked by Nina on September 23, 2017* -
## algebra 2

A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task listed below and explain why a. factor the equation b.

*asked by wordss on October 20, 2016* -
## Algebra 2

Evaluate the series the lower limit of summation notation is 'n = 3" 8 E 5n n=3 what do you do first?

*asked by cutey pie rachel on December 15, 2015* -
## Algebra 2

Use the Binomial Theorem to expand the binomial: (d – 4b)^3

*asked by Algebraic! on December 8, 2013* -
## Algebra 2

D'Andre has decided that he needs to get more exercise, so he is building a running regimen for himself. He decides that, beginning on Sunday, he'll fun 10 feet. On each subsequent day he'll double the distance he ran the previous day. So he'll run 20 feet

*asked by Kenny on February 25, 2015* -
## algebra 2

Write a word problem whose solution involves taking a cube root. State the problem and solve it, showing and explaining all steps.

*asked by your mom on January 18, 2019* -
## Algebra 2

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not

*asked by Amy on April 23, 2013* -
## Algebra 2

The Ferris wheel in the figure has a radius of 68 feet. The clearance between the wheel and the ground is 14 feet. The rectangular coordinate system shown has its origin on the ground directly below the center of the wheel. Use the coordinate system to

*asked by alleykatt38 on September 2, 2015* -
## Algebra 2

A share of ABC stock was worth $60 in 2005 and only worth $45 in 2010. Find the multiplier and the percent decrease.

*asked by Tom on November 12, 2015* -
## algebra 2

the loudness L of a sound in decibels is given L=10log10R, where R is the sound's relative intensity. if the intensity of a certain sound is tripled, by how many decibels does the sound increase? due tomorrow, tuesday,

*asked by math challenged on April 4, 2011* -
## Algebra 2

Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He wants to earn at least $50. He needs to sell at least 5 wristbands. Which system of inequalities is shown in the graph of the

*asked by Sandra on November 8, 2015* -
## Algebra 2

A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled

*asked by Nicole on February 18, 2015* -
## ALGEBRA 2

WHAT IS THE RIDDLE TO ALGEBRA WITH PIZZAZZ WORK SHEET 56??

*asked by ANGELO on October 13, 2011* -
## Algebra 2

Susan keeps track of the number of tickets sold for each play presented at The Community Theater. Within how many standard deviations of the mean do all the values fall? 137, 134, 91, 61, 150, 155, 110, 148, 90, 169, 67, 61 * 5 * 4 * 2 * 3

*asked by Skye on May 25, 2010* -
## Algebra 2

The fly population on an island is declining at a rate of 1.7% per year. The population was 4600 in the year 2016. Which answer is the best prediction of the population in the year 2023? 4010

*asked by sammiexo on June 2, 2017* -
## Algebra 2

Which set of ordered pairs in the form of (x, y) does not represent a function of x? {(0, 2), (1, –1), (2, 3), (3, –2)} {(0, –2), (1, 1), (2, 3), (3, –2)} {(0, 2), (–1, –1), (2, –3), (3, 2)} {(0, 2), (1, 2), (1, –2), (3, 2)}

*asked by Sandra on October 17, 2015* -
## Algebra 2

Which matrix represents the system of equations below? -10x-9y+13z=12 8x-7y-5z=15 5x+4y-6z=-12 a. -10,-9,13 8,-7,-5 5,4,-6 b.-10,-9,13 8,7,5 4,4,-6 c.-10,8,5 -9,-7,4 13,5,-6 d. 10,8,5 9,-7,4 13,5,-6

*asked by Maria on January 9, 2014* -
## algebra 2

simplify the number using the imaginary unit i √-28

*asked by the world forgot on October 24, 2017* -
## Algebra 2

Which probability matches the probability histogram? Assume that there are 2 trials. X = 2 where X represents the number of successes. . P(success)=0.3 P(success)=0.4 P(success)=0.6 P(success)=0.7

*asked by Arianna on September 9, 2016* -
## algebra 2

PLEASE HELP ME WITH THIS QUESTION I DONT WANT TO FAIL AND I FEEL AS IF IM WRONG! The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month.

*asked by Leo on January 19, 2018* -
## Algebra 2

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 1,800 dolls when $34,000.00 was spent on advertising, and the price of a doll was set

*asked by Sandra on March 14, 2016* -
## Algebra 2

Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

*asked by sammiexo on June 15, 2017* -
## Algebra 2

Please help super confused!!! Which points are the best approximation of the relative maximum and minimum of the function? f(x)=x^3+3x^2-9x-8 a. Relative max is at (3,-13), relative min is at (-3,-19). b. Relative max is at (-3,19), relative min is at

*asked by Olivia N J on November 14, 2016* -
## Algebra 2

The deposits Ginny makes at her bank each month form an arithmetic sequence. The deposit for month 3 is $150, and the deposit for month 5 is $180. Answer these questions 1.what is common differences for each month? $15 2.write explicit formula for

*asked by Ke$ha on March 31, 2016* -
## Algebra 2

Amanda surveyed 20 juniors and seniors at Delamar high school to find the number of hours per week they spend working at part-time jobs. Her results are shown below. Juniors: 20,10,20,10,15,0,0,10,20,15 Seniors: 20,20,10,10,0,0,0,10,0,10 which statement

*asked by Danny on May 19, 2014* -
## Algebra 2

Susan keeps track of the number of tickets sold for each play presented at the community theater. Within how many standard deviations of th mean do all the values fall? 135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85. 3 4 5 2

*asked by Lea on March 13, 2013* -
## Algebra 2

A sound wave is modeled with the equation . y=1/4cos 2pi/3treta a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? A- The period can not be found because

*asked by Ciaria on March 31, 2015* -
## Algebra 2

There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? Possible answers: 4x(5) other person's answer 8x2(5

*asked by Sandra on September 24, 2014* -
## algebra 2

Graph the system of constraints and find the value of x and y that maximize the objective function. Constraints {x >= 0 y >= 0 y

*asked by Kandy on October 7, 2014* -
## Algebra 2

Graph a sine function whose amplitude is 5, period is 6π , midline is y=−2 , and y-intercept is (0, −2) . The graph is not a reflection of the parent function over the x-axis. im not so sure how i would graph this :/

*asked by sammiexo on June 16, 2017* -
## Algebra 2

You are creating a metal border of uniform width for a wall mirror that is 20 inches by 24 inches. You have 416 square inches of metal to use. Write and solve an equation to find the border's width.

*asked by Lyle Eleda on April 12, 2012* -
## algebra 2

what is the answer for "what might you have if you don't feel well ?

*asked by jocelynn on August 29, 2012* -
## algebra 2

what is the number of real solutions -11x2=x+11

*asked by the world forgot on October 27, 2017* -
## Algebra 2

Janine is considering two movie rental plans. Plan A can be modeled with the equation C=3m and Plan B can be modeled with the equation C=2m+5 where C represents the cost in dollars and M represents the number of movies rented each month. Which statement

*asked by gh on December 29, 2014* -
## Algebra 2

Task: Come up with a new linear function that has a slope that falls in the range -1

*asked by Anonymous on February 27, 2016* -
## algebra 2

what is the proper thing to say when you introduce a hamburger?

*asked by jose on June 25, 2009* -
## Algebra 2

What is the sum of the geometric series 10 E 6(2)^n n=1 I'm a little lost as to what I should do here. Could someone please clarify how this one is done?

*asked by bubblegum on December 15, 2015* -
## algebra 2

what is the answer to algebra with pizzazz page 100; what should you say if you see a tall, wrought-iron tower in paris, france? there are 24 blanks

*asked by tiffany on April 12, 2011* -
## algebra 2

according to the graph of h(w) (5.0,20.00) below, what happens when w gets very large?

*asked by kristy on December 19, 2016* -
## Algebra 2

How can you write the expression with a rationalized denominator? 3 sqrt 3 / 3 sqrt 4

*asked by Brook on December 24, 2014* -
## algebra 2

The formula d=1.35ãh models the distance d in miles from the horizon where h is the distance in feet from a personfs eyes to the water. If you are standing in a boat and the distance from the water to your eyes is 8 ft, what is your distance from the

*asked by ben on March 29, 2012* -
## Algebra 2

Use technology or a z-distribution table to find the indicated area. The weights of grapefruits in a bin are normally distributed with a mean of 261 grams and a standard deviation of 9.4 grams. Approximately 20% of the grapefruits weigh less than which

*asked by student on March 20, 2019* -
## algebra 2

the soccer club has planned a trip to a tournament. the cost of the van is $231 when 3 students who are not members of the club join the trip, the transportation cost per person drops by $4.50 how many soccer members are going to the tournament?

*asked by kristy on December 19, 2016* -
## algebra 2

what is the value of the rational expression below when x is equal to three? 17+x/x+2

*asked by asia on April 21, 2013* -
## Algebra 2

Which statements represent the relationship between y=2x and y=log2x ? Select each correct answer. The equation y=log2x is the logarithmic form of y=2x .

*asked by sammiexo on June 1, 2017* -
## Algebra 2

Claire has borrowed $\$5,\!000$. She plans to pay off the loan in full after two payments. She will make one payment in 3 years, then another payment in 6 years. The second payment will be exactly double the amount of the first payment. How much is the

*asked by Bob on April 4, 2017* -
## Algebra 2

How many arrangements are possible using the letters in the word FUZZY if each letter "Z" is distinctly different than the other? How many arrangements are possible if the letter "Z" is interchangeabe with the other? Explain your reasoning.

*asked by Joan on April 15, 2015* -
## Algebra 2

What's the answer to Algebra With Pizzazz B-50, Page 60???

*asked by Terrell on January 7, 2009* -
## algebra 2

During the first part of a trip a canoeist travels 26 miles at a certain speed. The canoeist travels 8 miles on the second part of the trip at a speed 5 mph slower. Total time is 3 hours. What was the seed on each part of the trip

*asked by bob on April 21, 2013* -
## Algebra 2

URGENT HELP PLEASE the temperature of a room during an experiment can be modeled by the function f(x)=23.7 cos (Pi x /60) +18. Where f(x) is the temperature F degrees and x is the number is hours into the experiment. What is the lowest temperature the room

*asked by Algebra 2 on January 21, 2018* -
## Algebra 2

The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain river normally flows at a speed of 2 miles per hour. What must its speed be in order to transport particles that are 15 times as

*asked by Philip on December 11, 2016* -
## Algebra 2

Rewrite x^2+9 as a product using complex numbers and the polynomial identity below. a. (x+3)(x-3) b. (x+3i)(x-3i) c. (3x)(3i) d. (x+9i)(x-9i) I'm not sure if it's b or d, if I'm on the right path. Please help? Thanks

*asked by Fading on November 26, 2016* -
## Algebra 2

What point in the feasible region maximizes the objective function ? (3 points) Constraints {x>0 {y>0 {-x+3>y {y

*asked by Alexia tucker on November 6, 2017* -
## Algebra 2

Lesson 4: Linear Programming Unit 4 Linear Systems 1. (B) 5,0 2. (A) 8,0 3. (B) 6,2 4. (C) P=6 5. (D) P=29/1/3 6. (C) C=633/1/3 7. (A) 3 trays of corn muffins and 2 trays of bran muffins 8. (C) P= 400 9. (B) C= 67,370 10. (A) P= 51 10/10 (100%)

*asked by Becky on October 18, 2016* -
## algebra 2

suppose you have an outdoor pool measuring 25ft by 10ft. you want to add a cement walkway around the pool. if the walkway will be 1ft thick and you have 304ft of cement how wide should the walkway be? write the quadratic equation to model the volume of the

*asked by arianna on December 14, 2010* -
## Algebra 2

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

*asked by Victoria on October 8, 2015* -
## Algebra 2

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

*asked by Victoria on October 16, 2015* -
## Algebra 2

What effect does changing the function f(x)=2sin(x2)−1 to the function g(x)=2sin(x)−5 have on the graph of f(x)? The graph is stretched vertically by a factor of 2 and shifted right 4 units . The graph is compressed vertically by a factor of 2 and

*asked by Anonymous on May 4, 2017* -
## Algebra 2

A chemist has a bottle of 1% acid solution and a bottle of 5% acid solution. She wants to mix the two to get 100 mL of a 4% acid solution. How much of each should she use?

*asked by Megan on April 22, 2015* -
## Algebra 2

Find two pairs of conjugates with a product of 3.

*asked by Anonymous on March 4, 2017* -
## algebra 2

In the formula A(t) = A0ekt, A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. An artifact is discovered at a certain site. If it has 72% of

*asked by sky on July 13, 2011* -
## Algebra 2

An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the formula d = –16t2 + 1,000. Which inequality can be used to find the interval of time taken by the object to reach the height

*asked by Austin on July 10, 2015* -
## Algebra 2

A beam rests against a wall, forming a 50 degree with the floor. Use the function y=9 sec 0 to find the length of the beam to the nearest tenth of a foot. choice: 14.0ft, 11.ft7, 5.8ft, 6.9ft

*asked by Kathryn on May 19, 2014* -
## Algebra 2

Your car gets 25 mi/gal around town and 30 mi/gal on the highway. a. If 50% of the miles you drive are on the highway and 50% are around town, what is your overall average miles per gallon? b. If 60% of the miles you drive are on the highway and 40% are

*asked by Mia on February 14, 2013* -
## Algebra 2

2/3 of the children at a school are scared of snakes, 1/3 are scared of spiders, and 1/6 are scared of snakes and spiders. What fraction of those who are scared of spiders are also scared of snakes? 1/2 1/3 1/6 **my choice but I'm not sure 2/3

*asked by Mako on November 29, 2016* -
## Algebra 2

A water sample in a laboratory initially contains 6000 bacteria. The organisms reproduce at a rate of 10% per hour. Find the function that corresponds to this situation. Then predict how long it will take for the population of bacteria to double in number.

*asked by Sam Joseph on March 10, 2016* -
## Algebra 2

The Formula s= sqrt 30fd can be estimated the speed of s, in miles per hour that a car is traveling when it goes into a skid, where f is the coefficient of friction and d is the length of the skid marks in feet. Kody skids to a stop on a street with a

*asked by Ana on January 21, 2013* -
## Algebra 2

What are the points of discontinuity? Are they all removable? Please show your work. ￼￼￼ y=(x-5) / x^2 - 6x +5

*asked by Ciaria on March 31, 2015* -
## algebra 2

A stadium has 49,000 seats. Seats sell for 25 dollars in Section A, 20 dollars in Section B, and 15 dollars in section C. The number of seats in Section A equals the total number of seats in Sections B and C. Suppose the stadium takes in 1,052,000 dollars

*asked by jady on September 4, 2008* -
## Algebra 2

Why couldn't the chicken find her egg?

*asked by Maddie on February 16, 2014* -
## Algebra 2

Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.

*asked by Mimi on May 17, 2012* -
## algebra 2

Danielle needs to walk 2.5 miles. If she wants to reach her destination in 30 minutes ( hour), how fast does she need to walk?

*asked by kristy on December 15, 2016* -
## Algebra 2

The lengths of boats in a harbor, in feet, are listed below. 17, 16, 56, 50, 14, 30, 12, 33, 82, 16, 10, 52, 25, 25, 19, 75, 24, 12, 30, 12, 20, 38, 26, 36, 33, 24, 18, 26, 40, 40 (a) Make a frequency table for the data set. Use 5-14 as the first class

*asked by Bram on June 16, 2016* -
## algebra 2

suppose a house that costs $270,000 appreciates by 5% each year. in about how many years will the house be worth $350,000? use the equation 350 = (270) (1.05)^x and round the value of x to the nearest year.

*asked by t on February 7, 2011*