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April 25, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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Algebra 2
A data set has the following point: (1,8)(2,7)(3,5) The slope of the linear regression line is -1.5 Find the y-intercept of the linear regression.
Tuesday, May 22, 2012 at 10:20pm

Algebra 2
If Graham runs up 6 steps of the escalator, then it takes him 46.5 seconds to reach the top of the escalator. If he runs up 13 steps of the escalator, then it takes him only 36.0 seconds to reach the top. How many seconds would it take Graham to reach the top if he did not run...
Tuesday, May 22, 2012 at 9:16pm

algebra
how do u write 3.45 * 10 to the 8 power in standard number?
Tuesday, May 22, 2012 at 8:39pm

algebra!HELP!
a right triangle has legs 12 ft. and 5 ft. what is the length of the hypotenuse?
Tuesday, May 22, 2012 at 8:18pm

algebra
it will take 100 persons - hours to plant trees around a middle school. how many hours will it take 20 people to plant trees?
Tuesday, May 22, 2012 at 8:04pm

algebra
3x+11=-4 please help idk what to do???
Tuesday, May 22, 2012 at 7:58pm

algebra
A customer wants to make a teepee in backyard for his childrens. He plans to use lengths of PVC plumbing pipe for the suppports on the teepee,and he wants the teepee to be 10 feet across and 12 feet tall. How long should the pieces of PVC plumbing pipe be?
Tuesday, May 22, 2012 at 7:46pm

algebra
i have to write a number in the block to make this true how do i get the answer for 70-30=40- please show me a example so i can complete my work
Tuesday, May 22, 2012 at 7:33pm

algebra 2
Minnie and Steve have arectangular swimming pool that is 12 ft. wide and 20 feet long. They are going to build a tile border of uniform width around the pool. They have 160 sq. ft. of tile. How wide should the border be?
Tuesday, May 22, 2012 at 7:16pm

algebra ll
600(x^2+x+1) using the formula -b+/- sqrtb^-4ac/2a
Tuesday, May 22, 2012 at 6:53pm

Algebra
Log to the base of 3 (x-4)=2
Tuesday, May 22, 2012 at 6:20pm

algebra
The costs of doing business for a company can be found by adding fixed costs., such as rent, insurance, and wage, and variable costs, which are the costs to purchase product you are selling. The portion of the company's fixed costs allotted to this product is $600, and the...
Tuesday, May 22, 2012 at 5:44pm

algebra
Two part question: Suppose a market research company finds that at a price of p=$25, they would sell x=56 tiles each month. If they lower the price to p=$20, then more people would purchase the tile, and they can expect to sell x=66 tiles in a month's time. Finf the ...
Tuesday, May 22, 2012 at 5:38pm

algebra 1
w/7 - 7/w = 0
Tuesday, May 22, 2012 at 5:31pm

algebra 1
simplify 3w-12/3w
Tuesday, May 22, 2012 at 5:21pm

algebra 1
4/x-5 + 2/(x-5)^2
Tuesday, May 22, 2012 at 4:30pm

Intermediate Algebra
Essay: show all work. Find the quotient: 49a^2-b^2/7a-b
Tuesday, May 22, 2012 at 1:27pm

algebra
If events A and B are independent, P(A) = 0.62, and P(B | A) = 0.93, what is P(B)?
Tuesday, May 22, 2012 at 9:26am

algebra
A rectangular window is 4x inches wide and 8x inches long. What is an expression for the distance from one corner of the window to the opposite corner? Give your answer as a simplified radical.
Tuesday, May 22, 2012 at 9:12am

Algebra 2
Combine The Rational Expressions and Simplify (3x-7)/(x^2-12x+27)-(3x-8)/(x^2-9x+18)+(​x+2)/(x^2-15x+54)
Tuesday, May 22, 2012 at 2:16am

algebra
Solve -3(5x+6)=57
Monday, May 21, 2012 at 11:24pm

algebra
Solve -3(5x+6)=57
Monday, May 21, 2012 at 11:18pm

algebra 2
Nine people are entered in a race. If there are no ties, in how many ways can the first three places be awarded? 3 252 472 504
Monday, May 21, 2012 at 10:55pm

math algebra
what are 4 consecutive integers whos sum is -2
Monday, May 21, 2012 at 10:48pm

algebra
Suppose a market research company finds that at a price of p=$25,they would sell x=56 tiles each month. If they lower the price to p=$20, then more people would purchase the tile, and they can expect to sell x=66 tiles in a month's time. Find the equation of the line for ...
Monday, May 21, 2012 at 9:33pm

algebra
two motorcyclists started at the same point and travel in opposite directions. one travels 6 mph faster than the other.In 4 hours they are 432miles apart. how fast is each traveling? speed of slower mph speed of faster mph
Monday, May 21, 2012 at 8:19pm

Pre-algebra
Suppose y=2x-2.5. Find x if y=10
Monday, May 21, 2012 at 7:46pm

pre-algebra
a tree is 5 ft. tall and has a shadow of 12 ft. if you are 5 ft. tall, what is the length of your shadow
Monday, May 21, 2012 at 5:56pm

pre-algebra
a tree is 5 ft. tall and has a shadow of 12 ft. if you are 5 ft. tall, what is the length of your shadow
Monday, May 21, 2012 at 5:56pm

algebra
(16x - 4y) - 10x + 5y)
Monday, May 21, 2012 at 3:05pm

algebra 2 help please
7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?
Monday, May 21, 2012 at 1:08pm

algebra math
(QUEESTION 1) In view of the soccer fever, the PE department bought x identical soccer balls for $450.If the price of each ball was reduced by $3, they would have bought 5 more balls. (a) write down the price of each ball (b) write down the price of each ball if there was a ...
Monday, May 21, 2012 at 12:38pm

ALGEBRA
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one numeral followed by two letters followed by four numerals? (Round to the nearest whole percent.)
Monday, May 21, 2012 at 12:08pm

ALGEBRA
Find the probability whose odds against are given in the problem. Odds against are 10000 to 7.
Monday, May 21, 2012 at 12:05pm

algebra
the size and diameter of your pizza the two options for number of slices, including the arc length and area for both options the two options for delivery radius, including the area and equation for both options answers to the reflection questions
Monday, May 21, 2012 at 12:04pm

algebra 2
Find the first 5 terms of the sequence with a1=6 and an=2a n-1 -1 for n _>2 a. 6, 12, 24, 48, 96 b. 6, 11, 21, 41, 81 c. 6, 7, 8, 9, 10 d. 1, 2, 3, 4, 5
Monday, May 21, 2012 at 11:59am

ALGEBRA
A single card is drawn from a standard deck of cards. Find the following probabilities. A face card is a jack, queen, or king. P(face card | queen) = P(three | not a face card) =
Monday, May 21, 2012 at 11:57am

ALGEBRA
Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed. Find the following probabilities of the second card. P(spade | spade) = P(red | red) =
Monday, May 21, 2012 at 11:56am

algebra 1
what is the awnser to the problem 5bcubed +15b-30
Monday, May 21, 2012 at 9:32am

Algebra
Write a point-slope equation for the line with the given slope that contains the given point, m = 1; (-3, 6).
Monday, May 21, 2012 at 8:00am

Algebra (re: %)
Sally took a test with 70 questions and she correctly answered 60 question. What percentage of the questions did she answer correctly?
Monday, May 21, 2012 at 1:46am

algebra 2
What is the 16th term in the following geometric sequence? 5, –10, 20, –40, 80, ...
Monday, May 21, 2012 at 12:06am

ALGEBRA
Evaluate the expression. \( _5^9 \) \( _3^5 \) \( _1^3 \)
Sunday, May 20, 2012 at 11:10pm

algebra 2 help please
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first? a) 1/18 b) 1/3 c) 1/6 d) 1/13
Sunday, May 20, 2012 at 10:50pm

algebra 2 help please
You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into the case.
Sunday, May 20, 2012 at 10:47pm

Algebra
Please help!!!! (square root of x) + 3 = square root of (x+12)
Sunday, May 20, 2012 at 10:29pm

algebra
LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3
Sunday, May 20, 2012 at 10:28pm

algebra PLEASE HELP ME
pow 13 phone flub Alondra forgot Melissa's phone number. She did remember that the first three digits were 357- and that all the rest of the digits in the phone number were 2's and 9's and 7's. Alondra is determined to get in touch with Melissa. I'll just ...
Sunday, May 20, 2012 at 9:03pm

ALGEBRA
Calculate the monthly finance charge for the following 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. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ...
Sunday, May 20, 2012 at 8:17pm

ALGEBRA
Make a 5% offer on a Volkswagen New Beetle that has a sticker price of $22,120 and a dealer cost of $20,860. (Round your answer to the nearest dollar.)
Sunday, May 20, 2012 at 8:16pm

ALGEBRA
Suppose you have a $1,000 charge on a credit card charging 1.5% monthly interest using the adjusted balance method. The minimum payment due in May is $40. How much will you save in interest charges in June by paying $80 instead?
Sunday, May 20, 2012 at 8:10pm

algebra
Convert the following credit card rate to the APR. Nebraska, 0.04110% daily rate. (Round your answer to the nearest whole number.)
Sunday, May 20, 2012 at 7:23pm

algebra
Write a point-slope equation for the line with the given slope that contains given point. m= -1; (-3, 6)
Sunday, May 20, 2012 at 7:22pm

ALGEBRA
A car dealer will sell you a used car for $7,542 with $542 down and payments of $213.27 per month for 36 months. What is the APR? (Use the formula on page 156. Round each answer to the nearest tenth.)
Sunday, May 20, 2012 at 7:15pm

ALGEBRA
If a business borrows $18,000 and repays $24,300 in 4 years, what is the simple interest rate?
Sunday, May 20, 2012 at 7:02pm

Algebra 2
half life carbon -14 is 5,730 years. If you start out 50 grams, how long will it take until it reaches 2 grams?
Sunday, May 20, 2012 at 6:54pm

ALGEBRA
Calculate the monthly finance charge for the following 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. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ...
Sunday, May 20, 2012 at 6:50pm

algebra 1
LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3
Sunday, May 20, 2012 at 3:06pm

algebra
5x -4 = 304
Sunday, May 20, 2012 at 2:29pm

Algebra
solve in (x-5) =7
Sunday, May 20, 2012 at 2:29pm

algebra
5√2÷√10 - 3=
Sunday, May 20, 2012 at 2:26pm

algebra 2
7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?
Sunday, May 20, 2012 at 1:29pm

Algebra
f(x)=x^2-1 ; x = -3, -2, -1, 0, 1, 2, 3 i got 8,3,0,-1,0,3,8 as the answer when i plugged in x. how would i graph these numbers from this function?
Sunday, May 20, 2012 at 1:06pm

algebra 2 homework check
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first? Is it 1/3?
Sunday, May 20, 2012 at 1:04pm

algebra 2 help please/check
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...
Sunday, May 20, 2012 at 1:01pm

Algebra 1A
One day the temperature dropped from 0 F to -17 F. How many degrees did it drop?
Sunday, May 20, 2012 at 1:39am

algebra 2
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...
Saturday, May 19, 2012 at 11:43pm

algebra 2 homework check
Ruth is scheduling a soccer tournament in which 64 teams will participate. After each round of soccer games, half the teams advance to the next round of the tournament. After all the rounds are played, how many total games are in the tournament? Is it 48?
Saturday, May 19, 2012 at 11:27pm

algebra 2 homework check
Ruth is scheduling a soccer tournament in which 64 teams will participate. After each round of soccer games, half the teams advance to the next round of the tournament. After all the rounds are played, how many total games are in the tournament? Is it 48?
Saturday, May 19, 2012 at 11:27pm

algebra 2
Mary invested one amount at 5% simple interest, and a second amount at 4% interest, earning $21.32 in one year. If she had switched the amounts, she would have earned $25.84. What were the two amounts?
Saturday, May 19, 2012 at 11:13pm

algebra 2
Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? I got this wrong...here was my answer 5*4*3/(2*1) 60/...
Saturday, May 19, 2012 at 11:10pm

algebra 2 homework check
Tell whether the possibilities should be counted using a permutation or combination. Then find the number of possibilities. You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into the case. Answer: 10*9*8*7...
Saturday, May 19, 2012 at 11:05pm

algebra 2
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first?
Saturday, May 19, 2012 at 10:56pm

algebra 2
If no digit appears more than once, how many 2-digit numbers can be formed from the digits 1, 3, 5, and 7?
Saturday, May 19, 2012 at 10:55pm

ALGEBRA
Find the amount of compound interest earned in an account that opens with $29,000, earns 7.5% interest compounded daily, and is held for 5 years. Assume 360 days in a year. (Round your answer to the nearest cent.)
Saturday, May 19, 2012 at 8:07pm

ALGEBRA
If $835 is invested in an account that earns annual interest of 4.5%, compounded semiannually, what will the account balance be after 13 years? (Round your answer to the nearest cent.)
Saturday, May 19, 2012 at 7:54pm

algebra
The equation that describes the path of a small rocket after it is shot into the air is h=1120-16t^2, where h is the height above the ground, in feet, after t seconds. How many seconds does it take for the rocket to return to the ground?
Saturday, May 19, 2012 at 12:33pm

algebra
use the intercepts to graph the equation x-5=y
Saturday, May 19, 2012 at 12:17am

ALGEBRA
Determine the comparable interest rate for a $80,000 loan when the quoted information is 12.1% + 0.5 pt + $300. (Round your answer to two decimal places.)
Friday, May 18, 2012 at 11:30pm

ALGEBRA
Calculate the monthly finance charge for the following 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. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ...
Friday, May 18, 2012 at 11:29pm

ALGEBRA
Find the APR for the following loan (monthly payments). (Round your answer to the nearest full percent.) Purchase a refrigerator for $2,100 at 20% add-on interest for 3 years.
Friday, May 18, 2012 at 11:28pm

ALGEBRA
If $695 is invested in an account that earns 21.75%, compounded annually, what will the account balance be after 15 years? (Round your answer to the nearest c
Friday, May 18, 2012 at 11:24pm

ALGEBRA
Find the future value, using the future value formula and a calculator. (Give your answer to the nearest cent.) $44.01 at 6.5% compounded semiannually for 2 years
Friday, May 18, 2012 at 11:23pm

algebra
help; factor with wrong answer s^2+10s+25
Friday, May 18, 2012 at 3:20pm

algebra
factor trinomial w^2-15w+56
Friday, May 18, 2012 at 1:49pm

algebra
plz solve factor trinomial a^2+10a+16
Friday, May 18, 2012 at 12:01pm

algebra
The product of the page numbers on two facing pages of a book is 110. Find the page numbers. the page numbers are:
Friday, May 18, 2012 at 11:00am

algebra 2
You and your friend are both knitting scarves for charity. You knit 8 rows each minute and already have knitted 10 rows.Your friend knits 5 rows each minute and has already knitted 19 rows. When will you both have knitted the same number of rows?
Friday, May 18, 2012 at 10:47am

algebra
There are n teams in a league and the number of games played is given by the polynomial n^2-n=N. A women's softball league has 12 teams. What is the total number of games to be played?
Friday, May 18, 2012 at 1:53am

algebra.
A rectangular is six times as long as it is wide. If the area is 54 ft^2, find the length and the width of the table.
Friday, May 18, 2012 at 12:26am

Algebra 1A
Home Size The average size F in square feet of new U.S. homes built during year x is estimated by the formula F = 34x - 65,734, where x is any year from 2002 to 2008. In which year was the average home size 2504 square feet?
Thursday, May 17, 2012 at 11:52pm

algebra 2
how can you tell when y is a function of x on a graph
Thursday, May 17, 2012 at 10:10pm

algebra 2
If f(x) = int(x), find the given functional value. 1. f(-9.1)
Thursday, May 17, 2012 at 10:06pm

algebra 2 help please
D)x^2+y^2=625 X^2+(y-50)^2=1122 Y=20 (-15,20)(15,20) E)x^2+y^2=625 X^2+y^2-200y+10000=13618 Y=18 (-20,-15)(20,-15) 1)Combine your answers from Parts D and E to pinpoint the epicenter of the earthquake 2)Graph the equations for all three stations to verify your algebraic ...
Thursday, May 17, 2012 at 10:06pm

ALGEBRA
Calculate the monthly finance charge for the following 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 answer to the nearest cent.) $300 balance, 18% rate, $250 payment, previous ...
Thursday, May 17, 2012 at 9:05pm

Algebra
give the domain of the function: f(t)= 3t²+5t+2
Thursday, May 17, 2012 at 8:55pm

algebra
Rewrite this polynomial so that the terms are in ascending order: 8x + 4x^4 + 10 + 6x^3 + 3x^5
Thursday, May 17, 2012 at 8:45pm

algebra 1
y=2x-1 2x-y-1=0 a)this sytem has excatly onw solution b)this system has indinetly many solutions c)this system has no solution d)(1,1) and (0,0)
Thursday, May 17, 2012 at 7:03pm

algebra
write an equation in slope-intercept form for the line passing through (-2,6) and (4,-3)
Thursday, May 17, 2012 at 6:49pm

algebra
what is the slope of the line x = -2/3
Thursday, May 17, 2012 at 6:48pm

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