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November 27, 2014

November 27, 2014

**Recent Homework Questions About Algebra**

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**Algebra**

The table below represents the function f(x). (-6, 12),(-5,-8),(-4,-4), (-3,0),(-2,4),(-1,8),(0,12). If g(x) is a linear function that has a slope of -3 and a y-intercept of -9, which statement is true? A) The x-intercept of f(x) is less than the x-intercept of g(x). <<&...
*Wednesday, May 21, 2014 at 7:20pm*

**Algebra**

You spin a spinner that has eight equal-sized sections numbered one to eight. Which event is least likely to occur? • The number is even. • The number is less than three. • The number is greater than three. • The number is a multiple of five.
*Wednesday, May 21, 2014 at 6:53pm*

**math 6 algebra**

Mikayla wrote the equation below to calculate y, the total amount of money in dollars she will have saved after she has been saving for x weeks. y = 6x + 80 How much more money will Mikayla have saved after 8 weeks compared to 5 weeks? $8 $18 $98 $128 How do i do this?
*Wednesday, May 21, 2014 at 6:40pm*

**Algebra! Plz help~!**

You have the numbers 1-25 written on slips of paper. If you choose a slip at random, what is the probability that you will select a number that is divisible by 5? You have the numbers 1-24 written on slips of paper. If you choose a slip at random, what is the probability that ...
*Wednesday, May 21, 2014 at 5:40pm*

**algebra 2**

The time it takes for climbers to reach the highest point of a mountain is normally distributed with a standard deviation of 0.75 hours. If a sample of 35 people is drawn randomly from the population, what would be the standard error of the mean of the sample?
*Wednesday, May 21, 2014 at 5:05pm*

**Algebra**

13a+9b-2a-4b
*Wednesday, May 21, 2014 at 3:32pm*

**Algebra**

What is the probability that a number picked from the set {–4, –3, –2, –1, 0, 1, 2, 3, 4, 5} will be a solution of 2x + 5 > 1? • 20% • 30% • 70% • 80%
*Wednesday, May 21, 2014 at 2:40pm*

**Algebra**

A bag holds 20 yellow mints and 80 other green or pink mints. You choose a mint at random, eat it, and choose another. Find the number of pink mints if P(yellow then pink) = P(green then yellow). What is the least number of pink mints if P(yellow then pink) = P(green then ...
*Wednesday, May 21, 2014 at 1:37pm*

**Algebra 2**

what is the exact value of cos 5pi/3 radians
*Wednesday, May 21, 2014 at 1:33pm*

**Algebra 2**

Given the point A(2,-1) on the terminal side of angle 0, what is the value of the cosecant of angle 0?
*Wednesday, May 21, 2014 at 1:11pm*

**algebra**

i'm thinking of two numbers, x and y. The sum of 4x and 1 is y. The sum of y and twice x is 13. Find x and y.
*Wednesday, May 21, 2014 at 1:04pm*

**Algebra/Permutation**

How do I solve this problem. I try just 1 than just 4 nether were right, than I try 4/4r the Problem is 4Pr Thank you
*Wednesday, May 21, 2014 at 12:39pm*

**Algebra**

A website requires a four-digit numerical password in which the digits cannot repeat. How many possible passwords are there? • 24 • 5,040 • 151,200 • 3,628,800
*Wednesday, May 21, 2014 at 12:14pm*

**Maths/Algebra/Calculas**

A square piece of paper 20cm by 20cm has equal sized squares cut from each corner, size x. What is the formula to work out the volume of this? Also what size squares cut at each corner would produce the largest volume open top box? Thanks for any help, asap :D
*Wednesday, May 21, 2014 at 11:17am*

**Algebra**

write the equation of the circle passes through the point (√5,0) and whose center is the origin
*Wednesday, May 21, 2014 at 9:26am*

**Algebra**

A bag has 2x+1 red marbles, 3x blue marbles, and x+2 green marbles. What is the probability of picking a red marble?
*Tuesday, May 20, 2014 at 10:50pm*

**Algebra**

Permutation Evaluate the expression 19 P 2 4 P r if there is no r would the answer be just 4 or 0
*Tuesday, May 20, 2014 at 9:37pm*

**Algebra**

Find the mean and standard deviation of the data set. If necessary, round to the nearest hundredth. 4, 8, 5, 12, 3, 9, 5, 2 Mean is 6 and standard deviation is about 13.33?
*Tuesday, May 20, 2014 at 8:47pm*

**Algebra 1**

A community group orders 1,250 water bottles to donate to the runners in a marathon. If the probability of a water bottle being defective is 1.2%, predict how many of the water bottles are likely to be defective. Round your answer to the nearest whole number. a. 12 b. 15 c. ...
*Tuesday, May 20, 2014 at 8:40pm*

**algebra**

A small painting has an area of 400 c m 2 . The length is 4 more than 2 times the width. Find the dimensions of the painting. Solve by completing the square. Round answers to the nearest tenth of a centimeter.
*Tuesday, May 20, 2014 at 7:15pm*

**algebra**

Evaluate the expression. npr find the answer 6^P0 Thank you
*Tuesday, May 20, 2014 at 5:02pm*

**Algebra**

I am confused about this... A survey is being conducted to determine the favorite movies for various ages. Which of the following best describes this survey? • qualitative and univariate • qualitative and bivariate ? • quantitative and univariate • ...
*Tuesday, May 20, 2014 at 4:11pm*

**Algebra 2**

A biologist has determined that a particular osprey has a 70% chance of catching a fish on any given day. Carry out a simulation of 20 trials using the random number table below to find the probability that the osprey will actually catch a fish on all of the next three days. ...
*Tuesday, May 20, 2014 at 3:39pm*

**Pre Algebra **

1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C. Theoretical; the ...
*Tuesday, May 20, 2014 at 3:07pm*

**algebra**

Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a.) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b.) y = ...
*Tuesday, May 20, 2014 at 11:52am*

**Algebra, math,**

(a^6-b^6)/(a^4+a^2*b^2+b^4) simplify show work
*Tuesday, May 20, 2014 at 1:40am*

**Algebra, math,**

A helicopter can fly 120 mph in still air. When flying to a town 700 miles away and returning the helicopter has to fly with a tailwind of x mph when going to the town and with a head wind of x mph when returning. If the return flight takes 2 hours more than the flight to the ...
*Tuesday, May 20, 2014 at 1:38am*

**algebra**

A textbook store sold a combined total of 205history and math textbooks in a week. The number of history textbooks sold was 87more than the number of math textbooks sold. How many textbooks of each type were sold?
*Monday, May 19, 2014 at 11:27pm*

**Algebra 1 **

Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth? A: ?
*Monday, May 19, 2014 at 11:20pm*

**Algebra 1--Please, help me!**

Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth? A: ?
*Monday, May 19, 2014 at 10:21pm*

**Algebra 1--Please, help me!**

How am I supposed to graph the following functions? 1. A wholesaler is buying auto parts. He has $200 to spend. He recieves 5 parts free with the order. The number of parts y he can buy, if the average price of the parts is x dollars, is y = 200/x + 5. a. Graph the function. A...
*Monday, May 19, 2014 at 10:19pm*

**algebra**

Wat is the answer to page 211
*Monday, May 19, 2014 at 8:38pm*

**Algebra**

The mean is 18.1 The z-score for 13.0 is - 1.7. What is the standard deviation for this data set.
*Monday, May 19, 2014 at 8:35pm*

**algebra**

I have 8 cups of a juice drink consisdting of 25% oj and 75% apple juice. I want to make a mix with 40% oj. how many cups of oj must I add?
*Monday, May 19, 2014 at 8:32pm*

**algebra**

110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from the data, what is the measure of the central angle for the group that likes the program. I'm not ...
*Monday, May 19, 2014 at 7:45pm*

**algebra!!!**

The area of a rectangle is 40 ft. squared . what is the value of x to the nearest tenth foot? x+2=height x+1=width
*Monday, May 19, 2014 at 7:25pm*

**Algebra **

How do you find the excluded value if there is another variable or number in the denominator? Such as the equation 12(a) over a squared minus 3(a) minus 10?
*Monday, May 19, 2014 at 7:16pm*

**algebra**

The area of the rectangle below is 30 feet squared. What is the value of x to the nearest tenth of a foot? x+1=width x-1=height
*Monday, May 19, 2014 at 6:52pm*

**algebra**

Which cosine function has maximum of -2, and a period of 2pi/3
*Monday, May 19, 2014 at 6:29pm*

**algebra 2 **

what is 7 1/5 written in radical notation
*Monday, May 19, 2014 at 6:26pm*

**Algebra**

What is the median of the data set below? 275, 257, 301, 218, 265, 242, 201 • 201 • 230 • 257 • 270
*Monday, May 19, 2014 at 6:23pm*

**Algebra**

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science 50 80 other 60 70
*Monday, May 19, 2014 at 6:13pm*

**algebra**

evaluate csc 7pi/6
*Monday, May 19, 2014 at 6:09pm*

**Algebra 2**

find the exact value of cos 300 degrees.
*Monday, May 19, 2014 at 6:03pm*

**Algebra**

what is the magnitude of a vector with an initial point (2,6) and a terminal point (14,11)
*Monday, May 19, 2014 at 6:02pm*

**algebra 1**

Solve inequaity: -2x/7 -8>-9 Please need help, cant figure this one out,thank you kindly
*Monday, May 19, 2014 at 6:01pm*

**Algebra 2**

the test score for a math class are shown below. 81,84,82,93,81,85,95,89,86,94 what are the mean, median, and mode of the data set?
*Monday, May 19, 2014 at 5:50pm*

**Algebra 2**

Garrett thros a dart at a circular dart board. the dart board has a radius of 16 inches, and the bull's eye in the center of the dart board has a radius of 6 inches. What is the probability that a dart thrown at random within the dartboard will hit the bull's eye?
*Monday, May 19, 2014 at 5:39pm*

**Algebra/can you explain how this is set up **

Evaluate the expression 150^P1 thank you
*Monday, May 19, 2014 at 5:36pm*

**Algebra**

there are 10 students in a social studies class. three students will be selected to present their term projects today. In how many different orders canthree students be selected?
*Monday, May 19, 2014 at 5:28pm*

**Algebra**

What are the foci of the hyperbola with equation 16y^2-9x^2=144
*Monday, May 19, 2014 at 5:15pm*

**Algebra**

What is an equation of the parabola with vertex at the origin and focus (-4,0) A. x=1/16y2 B. x=-1/16y2 C. y=-1/16x2 d. y=1/16x2
*Monday, May 19, 2014 at 5:00pm*

**Please help w/ Algebra**

A rectangular field has a perimeter of 56 rods. If a strip 2 rods wide is cut from all sides of the field, the remaining part of the field has an area of 91 rods. Find the dimensions of the field.
*Monday, May 19, 2014 at 4:51pm*

**algebra 2**

What is the 20th term of the sequence that begins -3,6,-12,24? A. 524,288 B 524,288 C. 1,572,864 d. 3,145,728 The term in a geometric sequence is 160. the 7th term is 40. What are the possible values of the 6th term of the sequence? You roll a standard, six sided number cube. ...
*Monday, May 19, 2014 at 4:37pm*

**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 per person if 20 ...
*Monday, May 19, 2014 at 4:21pm*

**Algebra 2**

Is the relationship between the variables in the table a direct variation, an inverse variation, both, or neither? if it is a direct or inverse variation, write a function to model it. x 2 5 15 20 y 20 15 2 2 a. inverse variation;y=10/x b. neither c. direct variation; y=x+10 d...
*Monday, May 19, 2014 at 4:19pm*

**Algebra 2**

The test scores for a math class are shown below. 81,84,82,93,81,85,95,89,86,94 What is the standard deviation of the data set? Roun your answer to the nearest tenth 4.9 5.5 5.3 5.1
*Monday, May 19, 2014 at 3:46pm*

**Algebra 2**

Given A=( 3 2 5) ( 2 -1 8) (4 7 -3 )and c=(5 0 3), find B if A+B=C
*Monday, May 19, 2014 at 2:50pm*

**Algebra 2**

Which matrix equation is equivalent to 3x+2y-5z=20 5x-10y+8z=17 -8+11y-2z=29
*Monday, May 19, 2014 at 2:35pm*

**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 about the data is true...
*Monday, May 19, 2014 at 2:15pm*

**Algebra 2**

Find the period and the amplitude of the periodic function. y=-4 cos 8x
*Monday, May 19, 2014 at 2:04pm*

**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
*Monday, May 19, 2014 at 1:58pm*

**Algebra 2**

Find the exact value of cos 315 degrees. answers: 3/2, -1/2,2/2, -2/2
*Monday, May 19, 2014 at 1:17pm*

**ALGEBRA**

A store sells five models of cameras for $190.00, $420.00, $270.00, $300.00, and $420.00. If the sales tax rate is 6%, what are the mean, median, mode, and range of the total cost of the cameras? • mean = $318.00 median =$339.20 mode = $445.20 range = $21.20 • mean...
*Monday, May 19, 2014 at 12:17pm*

**Algebra**

Which is the degree measure of an angle whose tangent is 5.67? Round the answer to the nearest whole number.
*Monday, May 19, 2014 at 11:50am*

**Algebra 2**

What is the magnitude of the vector with an initial point (2,1) and terminal point (-13,9)? Answers-7.9,12.7,17.0,23.0
*Monday, May 19, 2014 at 11:49am*

**algebra**

4/6 = what over 15
*Monday, May 19, 2014 at 10:49am*

**algebra**

A machine launches a tennis ball directly upward at 64 feet per second from a platform that is 80 feet high. what is the maximum height of the tennis ball?
*Monday, May 19, 2014 at 9:42am*

**Algebra**

How much down is needed to get to 25000 at 8 percent interest compounded semianually for 3 .5 years
*Monday, May 19, 2014 at 1:02am*

**algebra**

the revenue of this product is given by R=px=(100x-x^2)x. how many units must be sold to give zero revenue? p=100x-x^2
*Sunday, May 18, 2014 at 9:04pm*

**algebra**

If the price from the sale of x-units is given by p=100x-x^2, the revenue funtion is given by
*Sunday, May 18, 2014 at 9:01pm*

**algebra/have no idea how to do this one**

A=M [(1=r/n with an upper nt at right hand corner -1] than under that there is a r/n for m,r,and t assume monthly payments round to the nearest cent $150;8%; 40 years A=$
*Sunday, May 18, 2014 at 7:40pm*

**algebra/I appreciate your help**

Find the future value, using the future value formula. Round the answer to the nearest cent. $625 @ 5.5% compounded quarterly for 3 years.
*Sunday, May 18, 2014 at 5:32pm*

**algebra**

Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. (Round your answers to the nearest cent.) $300 balance, 18%, $50 payment (a) previous balance ...
*Sunday, May 18, 2014 at 3:15pm*

**algebra**

if you spell Paris and each letter is on a different card that is replaced when you put it back in the hat what is P(r, then a vowel)?
*Sunday, May 18, 2014 at 2:27pm*

**algebra**

Find the amount of periodic payment necessary for the deposit to a sinking fund. (Round your answer to the nearest cent.) Amount Needed A $50,000 Frequency n semiannually Rate r 11% Time t 15 years Thank you for your time, it is appreciated.
*Sunday, May 18, 2014 at 2:11pm*

**Algebra**

Determine whether each sequence is arithmetic or geometric. Find the next three items. 1. 14,19,24,29, . . . a. geometric; 34, 39, 44 b. arithmetic; 32, 36, 41 c. arithmetic; 34, 39, 44 d. The sequence is neither geometric nor arithmetic.
*Sunday, May 18, 2014 at 1:14pm*

**college algebra**

If the volume of a cube is 600cm what is the s to the third power
*Sunday, May 18, 2014 at 11:58am*

**algebra**

(2*log7 16)/(log3(√10+1)+log3(√10-1)log7 2
*Sunday, May 18, 2014 at 10:55am*

**algebra**

Find the monthly payment for the loan. (Round your answer to the nearest cent.) A $118,000 home bought with a 20% down payment and the balance financed for 30 years at 9.5% Thank you it is greatly appreciated.
*Saturday, May 17, 2014 at 11:39pm*

**algebra**

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,500 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) (b) Find ...
*Saturday, May 17, 2014 at 10:35pm*

**Algebra**

select the approximate value of x that are solutions to f(x)=0 where f(x)= -5x^2+6x+9
*Saturday, May 17, 2014 at 1:54pm*

**Algebra**

A pollster conducts a survey by phone. The probability that a call does not result in a person taking this survey is 85%. What is the probability that the pollster makes 4 calls and none result in a person taking this survey?
*Friday, May 16, 2014 at 11:19pm*

**Algebra**

7 Permutation 3 is: Is it 210?
*Friday, May 16, 2014 at 9:44pm*

**Algebra 1 **

Which values should I use to graph the rational function y = 1/x-2 - 6? (The asymptotes are x = 2; y = -6.) Also, what method could I use to choose values for graphing rational functions?
*Friday, May 16, 2014 at 8:10pm*

**Algebra 1 **

Which values should I use to graph the rational function y = 1/x-2 - 6? (The asymptotes are x = 2; y = -6.) Also, what method could I use to choose values for graphing rational functions?
*Friday, May 16, 2014 at 8:07pm*

**Algebra**

Using the formula h=-16^2+vt+s Answer the question: A rocket is shot upward off a 25 foot high balcony with an initial velocity of 96 feet per second. How many seconds will it take until the rocket hits the ground?
*Friday, May 16, 2014 at 6:52pm*

**Algebra 1 **

How am I supposed to graph y = 2/x? Which values should I use? (This is supposed to be an inverse variation graph.)
*Friday, May 16, 2014 at 4:36pm*

**Algebra 1 **

How am I supposed to graph the inverse variation y = 2x? Which values should I use?
*Friday, May 16, 2014 at 3:23pm*

**Algebra 1 **

How am I supposed to graph y = 2x? Which values should I use?
*Friday, May 16, 2014 at 2:25pm*

**Choosing Courses**

Is it okay to take Algebra II and Geometry at the same time or would that be too hard, in general?
*Friday, May 16, 2014 at 1:39pm*

**algebra**

whats the rate of this geometric sequence 1,2,6,16,44
*Friday, May 16, 2014 at 11:12am*

**Algebra**

find all zeros, write polynomial as product of linear factors 1) f(x)=9x^3 - x^2 +9x -9 2) f(x)=x^4 -21x^2 -100 3) f(x)=x^3 -3x^2 -5x +39
*Friday, May 16, 2014 at 4:18am*

**pre algebra**

Write a table for the following quadratic function. y = x - x squared
*Friday, May 16, 2014 at 12:08am*

**pre algebra**

Write a quadratic function rule for the following table x -10 -5 0 5 10 y 80 5 -20 5 80
*Thursday, May 15, 2014 at 11:56pm*

**algebra**

7-|m-1|=3
*Thursday, May 15, 2014 at 10:11pm*

**algebra**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 3,500 + 200 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to ...
*Thursday, May 15, 2014 at 6:52pm*

**ALGEBRA**

(not for Ms.Sue) Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5, ...
*Thursday, May 15, 2014 at 4:53pm*

**Algebra**

If $32,500 is invested at 69% for 3 years find the future value if the interest is compounded the following ways. annually, semiannually, quarterly, monthly, daily, every minute (N-525,600) continuously, simple (not compounded. Thank you for your time.
*Thursday, May 15, 2014 at 3:26pm*

**Algebra 1**

-2x-2y=4 2y=-2x-4 Identify the solution
*Thursday, May 15, 2014 at 2:57pm*

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