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May 4, 2016

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra
Gary's backyard is in the shape of a rectangle. his backyard is completely surrounded by 480 feet of fencing. The length of his backyard is 18 feet longer than its width. What is the area of Gary's backyard in square feet?
Tuesday, October 6, 2015 by Kirin

Math (Algebra)
Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 multiple choice questions correct and received 19 points for her essay. Ezia got 15 multiple choice questions correct and received 31 points for her essay. How ...
Tuesday, October 6, 2015 by Anonymous

Algebra
The Height Of A Building In A Architectural Drawing Is 10 In. Its Actual Height Is 150 Ft. What Is The Scale Of The Drawing ?
Tuesday, October 6, 2015 by Twanita

University physics
prove the following rules if True or False using Boolean algebra (a)A+AB = A+B (b)(A+B)(A+C) = A+BC
Tuesday, October 6, 2015 by Megameno

Algebra
During a hurricane evacuation from the east coast of Georgia, a family traveled 260 miles west. For part of the trip, they averaged 70 mph, but as congestion got bad, they had to slow to 20 mph. If the total time of travel was 9 hours, how many miles did they drive at the ...
Tuesday, October 6, 2015 by Sherrie

Physics
prove the following rules if true or false using Boolean algebra (a)A+AB = A+B (b)(A+B)(A+C) = A+BC
Monday, October 5, 2015 by NONEE

Algebra
Suppose $6,500 is divided into two bank accounts. One account pays 10% simple interest per year and the other pays 4.6%. After two years there is a total of $1000 in interest between the two accounts. How much was invested into the bank account that pays 4.6% simple interest (...
Monday, October 5, 2015 by Rage

algebra
I don't quiet know where to start can anyone help guide me? Bonnie has a container in the shape of rectangular pyramid. The formula for the surface area of the enclosed space is S=lw+0.5Ph. Solve for P? P= S - lw- 0.5h P= S + lw + 0.5h P= S-lw/ 0.5h P= S/lw + 0.5h
Monday, October 5, 2015 by kat

algebra 1
mathew has saved 50 dollars and each week he increases his savings by 5 dollars. his brother mark has 35 dollars saved and each week he saves an additional 7 dollars. how long will it take for mark to have more money than matthew?
Monday, October 5, 2015 by kathy

Algebra
You put $400 in an account earns $18 simple interest in 9 months.What is the annual interest rate?
Monday, October 5, 2015 by Carnell

Algebra
C=6.3r gives the approximate circumference C of a circle as a function of its radius r. Identify the independent and dependent variables in this relationship.
Monday, October 5, 2015 by Mah'Kya

math algebra
How many liters of a blue dye that cost 1.80 per liter must be mixed with 20 l of anil which costs 2.60 per liter to make a mixture that cost 2.12 per liter
Monday, October 5, 2015 by totsy

Algebra
$347 selling price is $35 more than three times the cost what is the cost?
Monday, October 5, 2015 by Anonymous

Algebra
34 is 6 less than 5 times a number?
Monday, October 5, 2015 by Anonymous

Algebra
Rewrite the set {x|2Ex<33:xEN} in roster form
Monday, October 5, 2015 by peter

Pre Algebra Plz help asap!-:)
1.Which set represents a Pythagorean triple? 27, 38, 42 33, 44, 55*** 35, 38, 42 68, 72, 81 2.Which number completes the Pythagorean triple: 12, 16, ____? 18 20*** 22 24 3. Which set represents a Pythagorean triple? 1, 2, 4 2, 4, 6 3, 4, 10 5, 12, 13*** 4.A television set is ...
Monday, October 5, 2015 by Labbayk

Art History
A. Pyramid B.Propaganda C.Babylonians D.Cuneiform E.Gudea of Lagash F.Ziggurat G.Amorites H. Clay I.The Sumerians J.Mesopotamia 1. Ancient region of Southwest Asia between the Tigris and Euphrates rivers. 2. They invented the wheel 3. Sumerian writing system 4. A semitic group...
Monday, October 5, 2015 by dee

MATH 115 PRE-ALGEBRA
simplify expression 6(3m-7)-2(12y-5)+4(y+6)
Monday, October 5, 2015 by TC

Algebra
The back of Tom's property is a creek. Tom would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a corral. If there is 100 feet of fencing available, what is the maximum possible area of the corral? ? square ...
Monday, October 5, 2015 by Christina

Algebra
I found three points of the equation x-2y=b which were (4, -2) (0,-4)(-4,-6) But the question further asks to convert the equation of the new line to standard form ax+by=c. I'm so confused. Can anyone please help?
Monday, October 5, 2015 by Anonymous

Algebra
a). The length of the classroom is 30 ft. The length of the room on the scale drawing is 6 in. Is this correct? Explain why or why not. Michael has made a scale drawing of his classroom. The scale for his drawing is 0.5 in. : 3 ft. b). One of the student tables is 6 ft long. ...
Sunday, October 4, 2015 by Alyssa

Pre-Algebra
Ashley bought a dress at 30% off. The sale price was $59.50. What was the original price of the dress?
Sunday, October 4, 2015 by Coolkid101

algebra
A 28​-inch board is to be cut into three pieces so that the second piece is twicetwice as long as the first piece and the third piece is 44 times as long as the first piece. If x represents the length of the first​ piece, find the lengths of all three pieces 1st ...
Sunday, October 4, 2015 by Anonymous

Algebra
A miniature rocket is launched so that its height in meters after t seconds is given by the equation h=-4.9t^2+29.4t+7. (a)draw a graph of the equation (b)how high is the rocket after 5 seconds? (c)what is the maximum height the rocket will attain? (d)how long after the launch...
Sunday, October 4, 2015 by Amy

algebra
graph the function f(x)=ãx-2 graph the function leftmost point and three additional points
Sunday, October 4, 2015 by Pat

algebra
enum =5 four=2 three= 1 suppose the function f is defined, for real numbers, as(x) follows f{4if=0 1ifx=0 graph the function f
Sunday, October 4, 2015 by Pat

Algebra 2
Evaluate 4-1.5 using a calculator. Round you’re answer to 3 decimal places
Sunday, October 4, 2015 by Sara

Algebra
A man flies between two cities; on a windless day, he averages 120 mph round trip; on a windy day he averaged 140 mph with the wind; he averaged 100 mph against the wind; on the windy day, it took 15 extra minutes to make the round trip; what is the distance between the two ...
Sunday, October 4, 2015 by Linda

Algebra
If the angles of triangle are in the ratio of4:1:1then find the ratio in the smallest side / perimeter of the tringle
Sunday, October 4, 2015 by Math

Algebra 1
The manager of a band recommends that the band sell its CDs for $8.75. The band decides to sell the CD for p dollars. A) Write an absolute value expression that tells how far the bands price is from the recommended price. B) The band wants the price of its CD to be no more ...
Sunday, October 4, 2015 by Ellie

college algebra math help
Laura owns and operates Aunt Linda's Pecan Pies. She has learned that her profits, P(x), from the sale of x cases of pies, are given by P(x) = -x^2 + 14x + 51. a. The company will "break-even" when the profit is zero. How many cases of pies should Laura sell in ...
Saturday, October 3, 2015 by Anonymous

algebra
Solve P=2l+2w for w
Saturday, October 3, 2015 by Michael

algebra
Solve A=1/2bh for h
Saturday, October 3, 2015 by Susie

algebra
Solve y=kx for k
Saturday, October 3, 2015 by John

Algebra
Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (Objective 3) (−3, 1) and (9, −3)
Saturday, October 3, 2015 by April

Pre Algebra
Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the length of its side, s? plz tell me the equation!!!
Saturday, October 3, 2015 by Labbayk

Algebra
1. Which number is equivalent to 0.3 (with a line above it)? A 1/3** B. 33/100 C. 5/6 D. 2/3 2. Jessica went to the mall and used 1/6 of her money on lunch. What is the fraction of her money expressed as a decimal? A. 0.6 (line above the 6) B. 0.7 (line above the 7)** C. 0.16...
Saturday, October 3, 2015 by Shi Buringa

Algebra
Yazmin decided to get some exercise by taking the stairs from the first to the fifth floor in her apartment building. The first time she went up the entire flight, she walked up some steps and ran up 16 steps. This took a total of 60 seconds. The second time she went up the ...
Saturday, October 3, 2015 by Mary

Algebra
A luxury car rental company charges $150 per day in addition to a flat fee of $50 for insurance. Write an equation that represents the cost, f(x), (in dollars) to rent the car for x days. This equation should be in slope-intercept form.
Saturday, October 3, 2015 by Sarah

Algebra 2
Express the product of x+1 and x+8 in standard quadratic form.
Friday, October 2, 2015 by Anonymous

Algebra 2
Did I perform this operation correctly? (a^2-b^2)/(a^2-2*a*b+b^2) /(2*a^2+5*a*b+3*b^2)/(2*a+3*b) = 1/a-b
Friday, October 2, 2015 by Frank

Algebra 2
Can this expression be factored? 4x^2+9 My homework assignment says to factor completely and this is one of the problems but I don't think this expression can be factored. Am I wrong? If so how do I factor it.
Friday, October 2, 2015 by Judy

Math/Algebra
Im stuck on two problems and would really appreciate the help. 1. y varies jointly as a and b, and inversely as the square root of c. y=28 when a=2, b=7, and c=9. Find y when a=4, b=2, and c=4 2. y varies directly as x and inversely as the square of z. y=24 when x=27 and z=3. ...
Friday, October 2, 2015 by Jay

College Algebra
find all zeros of the function 6x^3+43x^2+6x+7
Friday, October 2, 2015 by Anonymous

Algebra
A rectangular field has a total perimeter of 128 feet. The width is 24 feet less than the length. What are the dimensions of the field?
Thursday, October 1, 2015 by Rodo

algebra
How many cases would there be for an absolute value with 3 sets of absolute value symbols?
Thursday, October 1, 2015 by carol

algebra
Benjamin has $7.40 in change in his pocket, all in dimes and quarters, he has 44 coins in all. How many dimes does he have?
Thursday, October 1, 2015 by mike

algebra
Consider that the half-life of Polonium-210 is 140 days.What approximate daily percentage of decay does Polonium-210 demonstrate?% (Round to two decimals.)(Hint: use the Rule of 70 backwards by dividing by the half-life period instead of the rate.) What percentage of the ...
Thursday, October 1, 2015 by Tristan

algebra 2
Find the slope of the line passing through the points (3, -1) and (0, 8)
Thursday, October 1, 2015 by Courtney

Pre Algebra
Complete the table (Was in a table form!) Scientific Notion /// Standard Notion 1. ________________ = 62,000,000 2. -3.05*10^6 = ___________ 3. ________________ = .00000089 Simplify 4. (9.8*10^2) * (5*9*10^7) 5. (7.2*10^-5) / (4.3*10-3) My Answers:- 1. 6.2*10^7 2. -3,050,000 3...
Thursday, October 1, 2015 by Help

algebra
How many quarts of permanent anti-freeze must be added to 10% quarts of a 40% anti-freeze solution in a radiator of a truck to make a 25% anti-freeze solution?
Thursday, October 1, 2015 by jay

Pre-Algebra
Which exponent makes this statement true? One fifth to the ninth power equals five to what power? A) 9 B)-9 C) 1/9 D)-1/9
Thursday, October 1, 2015 by Grace

Algebra
Solve for p 3 (p + q) = p A. q = -2/3 = p*** B. q = -3/2 = p C. p = -2/3 = q D. p = -3/2 = q Solve for r d = rt A. r = dt*** B. r = t/d C. d/t D. r = d - t Find the width of a rectangle with a perimeter of 90 and a length of 15 A. 90 B. 15 C. 45*** D. 30
Thursday, October 1, 2015 by Abby

pre-algebra
diameter of the atomic nucleus of a lead atom is 1.75 x 10^-10
Thursday, October 1, 2015 by jemina

algebra 2
3x+y+z=14 -x+2y-3z=-9 5x-y+5z=30 linear equations solve by elimination
Wednesday, September 30, 2015 by aaron

pre algebra
robin is making bows to sell at her mothers yard sale she will use 3/4 foot of a ribbon and 2/3 of blue ribbon what is the ratio of the length of the blue ribbon to the red ribbon explain how its 2/3 to 3/4
Wednesday, September 30, 2015 by elizabeth

pre algebra
robin is making bows to sell at her mothers yard sale she will use 3/4 foot of a ribbon and 2/3 of blue ribbon what is the ratio of the length of the blue ribbon to the red ribbon
Wednesday, September 30, 2015 by elizabteh

Norman
Algebra 2 The difference of two numbers is 4. Three times the smaller minus the larger is 10. Find the numbers.
Wednesday, September 30, 2015 by Matthew

algebra
A particular style of sunglasses costs the retailer $80 per pair. At what price should the retailer mark them so he can sell them at a 20% discount off the selling price and still make 30% profit on his cost?
Wednesday, September 30, 2015 by Dan

Math,Science,Algebra,Geography
Beryl Really Likes taking care of all the details needed to finish up a project. Her Belbin Team Role is? A.)Computers/Finisher B.)Resource/Investigate C.)Sharper D.)Plant
Wednesday, September 30, 2015 by DJ

Math,Science,Algebra,geography
The 3 Letter code that summaries your 3 strongest career types is called your? A.)Holland-Code B.)Myers-Briggs Type C.)Teamwork Profile D.)Beblin Code
Wednesday, September 30, 2015 by DJ

algebra
horatio is purchasing a computer cable for $15.49. if the sales tax rate in his state is 5.25%, what is the total cost of the purchase?
Wednesday, September 30, 2015 by tareca

Math,Science,Algebra,Geography
the personality type theory that gives people codes based on their levels of four traits, including sensing-intuition or making of thinking-feeling is called the? A.)Holland Code B.)Myers-briggs C.)Beblin Roles D.)Team Work Profiles
Wednesday, September 30, 2015 by DJ

college algebra
Kiran drove from City A to City B, a distance of 242 mi. She increased her speed by 10 mi/h for the 351-mi trip from City B to City C. If the total trip took 12 h, what was her speed from City A to City B?
Wednesday, September 30, 2015 by Maggie

Pre-Algebra
1. What makes the statement true? 8^-2 =? A. 64 B. 16 C. -1/64 D. 1/64 2. What is the solution to (4 x 10^3) x (6 x 10^6), written in a scientific notation? A. 24 x 10^9 B. 2.4 x 10^9 C. 24 x 10^18 D. 2.4 x 10^10 3. What is 0.000000512 written in a scientific notation? A. 5.12...
Wednesday, September 30, 2015 by Lilith

algebra
You buy 10 gallons of ice cream for a party, how many cup sized containers can you fill with this?
Wednesday, September 30, 2015 by Kristen

Algebra/Math
What is the sum of 5/6 + 2/3? My answer is 1 1/2. Cody has 6 1/2 boxes of candy to share at a picnic. If he gives each person 1/3 of a box, how many people can receive candy? My answer is 19. Which of these are not rational? a.3 squared. b.1/5 c.9 squared d.0.25 My answer is 3...
Wednesday, September 30, 2015 by Essie

algebra
the sum of the digits of a three digit number is 14. the tens digits exceeds twice the hundred digit by one. If 3 were added to the number, the units and hundreds digit would be the same. find the number. solve H = hundred digit t in ten digit u in unit digit sum of the digits...
Wednesday, September 30, 2015 by nancy

Algebra II
Hey all. I'm trying to solve this question, but don't really understand how to do it: If (x^4)^5 = x^a for all values of 'x', what is the value of 'a'? Any help is much appreciated, thanks!
Tuesday, September 29, 2015 by Anonymous

Algebra I
If a set of ordered pairs is a function, are the ordered pairs also a relation? (Also, please explain why)
Tuesday, September 29, 2015 by K

Algebra
1\8(3d-2)=1/4(d+5)
Tuesday, September 29, 2015 by Anonymous

Math/Algebra
A painter earns $15 per hour. what is the minimum number of hours he must work to earn at least $200 write an inequality to represent this situation and solve show your work Im not sure =-=
Tuesday, September 29, 2015 by Dawson

Algebra
The path of a diver is given by y=-4/9 x^2 + 24/9x +12 where y is the height (in feet) and x is the horizontal distance from the end of the diving board (in feet). What is the maximum height of the diver?
Tuesday, September 29, 2015 by Josh

Algebra
A runner starts at the beginning of a cross country course running at a constant rate of 6 miles per hour. Five minutes later a second runner begins at the same point,
Tuesday, September 29, 2015 by Rbg

algebra
The weight of a rock sample is measured to be 2.5 pounds. What is the percent of error in the measurement?
Tuesday, September 29, 2015 by G

algebra
you are building a rock wall for a flower bed along your 38-foot long driveway. You Want the wall to be one-half of the length of the driveway with an absolute deviation of at most 3 feet. write and solve an absolute value inequality that represents the possible lengths of the...
Tuesday, September 29, 2015 by draven

Algebra
the sum of two times a number n and four less than three times the same number.
Tuesday, September 29, 2015 by Chamar

algebra
find the solutions to the equation; x^(2/5)-8x(1/5)+16=0
Tuesday, September 29, 2015 by Ryan

College Algebra
simplify expression (no negative exponents) -2^-3(xy^3)^-2/x^-1y^-3 I got 1/-8x^2y^2
Tuesday, September 29, 2015 by Tim

College Algebra
factor completely: 16x^2 + 16x-21 I got not factorable...
Tuesday, September 29, 2015 by Tim

College algebra
A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height. I have figured out the area, but i'm not sure what the question means when it...
Tuesday, September 29, 2015 by Amber

College Algebra
1 - 1 = 1 ______________________________________ 4x-12 2x-6 x^2-3x Solve the equation (its subtracting the first two fractions and equalling the last fraction)
Tuesday, September 29, 2015 by Tim

College Algebra
Use quadratic formula to solve: 5x^2-10x+6=0
Tuesday, September 29, 2015 by Tim

College algebra
A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height.
Monday, September 28, 2015 by quel

College Algebra
Consider two circles. A smaller one and a larger one. If the larger one has a radius that is 8 ft longer than the smaller one, and if the ratio of the circumference is 3:1, then what are the radii of the two circles?
Monday, September 28, 2015 by Tim

College Algebra
write in standard form a+bi: (2+3i)^3
Monday, September 28, 2015 by Tim

algebra
the difference of one more than six times a number and four more than three times the same number, using numbers 3, 5 and 7.
Monday, September 28, 2015 by chamar

algebra
solve the system using elimination 2x-5y=8 x-3y=-1 please explian step by step
Monday, September 28, 2015 by sarah

algebra
evaluate x^0 when x = negative 3
Monday, September 28, 2015 by dina

algebra 2
A snail is at the bottom of a well that is 24 feet deep. The snail can climb 2 inches each hour, but then falls back 1 inch. How many hours will it take the snail to crawl out of the well?
Monday, September 28, 2015 by oumie ceesay

H S Algebra
Kelly made a 94 and an 80 on the first two science tests. What does she need to make on the third test to have at least a 90 average in the class?
Monday, September 28, 2015 by Norman

algebra
Replace the equation in which the variable of the expression appears only once with a positive positive number for its exponent. (16x^2)/(16x^5)
Monday, September 28, 2015 by Kaitlyn

pre-algebra
-8-5y=12-9y
Monday, September 28, 2015 by Anonymous

Algebra
X+4=square root of 5
Monday, September 28, 2015 by Carter

Pre-Algebra
What is the sum of 5/6+2/3? A)1 1/3 B)1 1/2 C)1 2/3 D)1 3/4
Monday, September 28, 2015 by Grace

Pre-Algebra
At a halftime show a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved three steps up and 1 step right. Write a rule to describe the translation. What were the coordinates of the drummers final position? Please help
Monday, September 28, 2015 by Drew

Algebra 1
What are the two quantities that should be measured to find the rate at which water flows out of a shower head? Explain how the rate can be determined. Thanks!
Monday, September 28, 2015 by Katie

algebra
solve the system by substitution x+y=9000 .06x+.15y=1215 .06x+.15(x-9000)=1215 .06x+.15x-1350=1215 .21x-1350=1215 x-1350+1214.79 x+2564.79 don't look right? where did I go wrong
Sunday, September 27, 2015 by john

algebra
The ratio of the tens digit to the units digit of a two digit number is 2:3. The number that results when the digits of the original number are reversed is 27 more than the original number. Find the original number.
Sunday, September 27, 2015 by lucy

College algebra
Curt can be paid in one of two ways for the sales he generates: Plan A: 900$ per month plus 10% sales commission. Plan B: $1200 per month plus 15% commission on sales above $8,000. Assuming he always exceeds $8,000 in sales, for what amount interval of $ sales is Plan B better?
Sunday, September 27, 2015 by quel

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Homework Help: Math