Wednesday
September 3, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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Algebra
2square18-5square32+7square162= ?
Wednesday, September 3, 2014 at 12:52am

algebra
A gardener has 120 ft of fencing to fence in a rectangular garden. one side of the garden is bordered by a river and so it does not need any fencing. a. what dimensions would guarantee a garden with an area of 1350 ft ^2 b. what dimensions would guarantee the greatest area? ...
Tuesday, September 2, 2014 at 11:54pm

Math\ álgebra
A couple wants to install a sqaure mirror that has an área Of 500 square inches. To the nearest tenth Of an inch, what lentgth Of wood trim is needed to go around the mirror ?
Tuesday, September 2, 2014 at 11:01pm

algebra
The sum of 16 and twice Gail's score
Tuesday, September 2, 2014 at 10:17pm

algebra
mary wants to put square tiles on the kitchen floor. The tile she has selected is 12 inches on each side and comes in boxs of20 tiles for $54 per box. Her kitchen is 15 feet 8 inches log and 5 feet 9 inches wide. How many boxes of tile will she need and what will be theprice ...
Tuesday, September 2, 2014 at 8:30pm

Algebra 2
Simplify each expression. Assume all variables are nonzero. 1.(-100s^3t^-5)/(25s^-2t^6) A: (-4s^5)/(t^-11) 2. (16u^4v^6)^-2 A: ?
Tuesday, September 2, 2014 at 8:27pm

Algebra
If 4 notebooks weigh 2.8 pounds how do 6 notebooks weigh
Tuesday, September 2, 2014 at 8:08pm

algebra
How many natural numbers are in a set of numbers from -10 to 10 inclusive? Explain.
Tuesday, September 2, 2014 at 8:04pm

Algebra 2 Answer Check
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds fhe ...
Tuesday, September 2, 2014 at 7:38pm

Algebra 2
Evaluate the following expression for the given values of the variables. 1. (2s - t^2) / (st^2) for s = 5 and t = 3 A: 1/45 or 45 Simplify each expression. 2. -x - 3y + 4x - 9y + 2 A: 3x - 12y + 2 3. -4(-a + 2b) - 3(a - 5b) A: a + 3b 4. 5 - (3m + 2n) A: 5 - 3m - 2n 5. Enrique ...
Tuesday, September 2, 2014 at 7:37pm

Algebra 2
a -2a/5 = 3 Do you multiply by 5? Then it goes a-2a= 15?
Tuesday, September 2, 2014 at 7:24pm

math/algebra
I am having a hard time with math I cant get it. Write each rational number as a terminating decimal. 19/20, 1/8, & 17/5 can you please help!!
Tuesday, September 2, 2014 at 7:15pm

Algebra 2
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds fhe ...
Tuesday, September 2, 2014 at 6:44pm

algebra 2
Solve the inequality. Graph the Solution. 8|x+3/4|<2 a)x<-1 or x>-1/2 b)-5/32<x<5/32 c)-1<x<-1/2 d)x<-5/32 or >5/32
Tuesday, September 2, 2014 at 6:40pm

Algebra 2
A building has a mural painted on an outside wall. The mural is a square with an area of 14,400 ft^2. What is the width of the mural?
Tuesday, September 2, 2014 at 6:38pm

Algebra 2
Given the area of the figure, find its perimeter to the nearest tenth. 1. A = 90 ft^2; number of squares: 6. A: ? 2. A baseball diamond is a square with an area of 8100 square feet. The length of the diagonal of any square is equal to √2 times it's side length. Finds...
Tuesday, September 2, 2014 at 5:55pm

Algebra 2 Answer Check
Simplify by rationalizing each denominator. 1. 2/√3 A: 2√3 / 3 2. -18/√6 A: -3√6 Add or subtract. 3. 4√3 - 9√3 A: -5√3 4. √8 - 15√2 A: -13√2 5. √45 + √20 A: 5√5 6. 2√48 + 2√12 A: 12√...
Tuesday, September 2, 2014 at 5:50pm

Algebra 2. HELP
Furniture Assembly: At the beginning of your 8 hour shift, there were 42 units of furniture that needed assembled. The number of units N that still need to be assembled during your shift can be modeled by n(t)=-3t +42 where t is the time in hours... 1. Graph the model 2. What ...
Tuesday, September 2, 2014 at 5:42pm

algebra
Solve the inequality. Graph the solution set. 5r+4<=5 A)r<=1/5 B)r<=1 4/5 C)r>=1/5 D)r>=1 4/5
Tuesday, September 2, 2014 at 5:36pm

algebra
Carlos is arranging books on shelves? He has 24 novels and 16 autobiographies. each shelf will have the same number of novels and autobiographies. If Carlos must place all of the books on shelves, what are the possible numbers of shelves Carlos will use? Can you please help ...
Tuesday, September 2, 2014 at 5:33pm

Algebra
James has to buy juice for his class party. There are several brands of juice at the store, and each container is a different size and price. Write a formula that will help James find the price per milliliter for each brand. Let x= price of juice, y= number of milliliters in ...
Tuesday, September 2, 2014 at 2:40pm

Algebra 1
Victor needs to calculate the number of miles per gallon his car averages. His car's gas tanks holds 15 gallons of gas. Write an equation that will help him determine the average number of miles per gallon. Let's let x= number of miles traveled, and y= average miles ...
Tuesday, September 2, 2014 at 2:36pm

Algebra 1
I don't get it
Tuesday, September 2, 2014 at 2:35pm

Algebra 2
Classify the following statement as sometimes, always, or never true. 1. a - (b - c) = a - b + c A: The statement is always true?
Tuesday, September 2, 2014 at 2:15pm

Algebra 2
Rewrite each set in the indicated notation. 1. {-9, -7, -5, -3, -1}; set-builder notation. A: ?
Tuesday, September 2, 2014 at 1:00pm

Algebra 1
Order the given numbers from least to greatest. 1. -√9, 2π, -1, 5.12(repeating decimal), -7/2 A: -7/2, -√9, -1, 5.12 (repeating decimal), 2π? Also, is -√9 a real and rational number?
Tuesday, September 2, 2014 at 12:30pm

Algebra 2
Use interval notation to represent each set of numbers. 1. -15 < x < 0 A: (-15, 0)? Rewrite each set in the indicate notation. 2. (Negative infinity, 3] or (5, 11]; words. A: ?
Tuesday, September 2, 2014 at 12:14pm

Precedence rules for the algebra community
Precedence of operators In simple algebra, there is a set of precedence (priority) of operations that should be respected in order that everyone evaluates mathematical expressions in the same way. Although these rules have been taught in elementary school or junior high school...
Tuesday, September 2, 2014 at 12:11pm

college algebra
1. simplify x^2+x-6/x^2-4 divided by x+3/2x+4
Tuesday, September 2, 2014 at 11:11am

college algebra
1.build the fraction x+5/x+3 to an equivalent fraction whoes denominator is x^2-x-12 2. add and simplify: x/x+2 +4x-3/x^2-4
Tuesday, September 2, 2014 at 11:04am

college algebra
question 1: build the fraction x+5/x+3 to an equivalent fraction whoes denominator is x^2 question 2: simplify (x^2+6x+9)(3-x)/(x-3)(2x+6) question 3. find the product in simplest from x^3-9x/x^5+27x^2 * x^2-3x+9/x^2+3x
Tuesday, September 2, 2014 at 10:21am

algebra
can someone help me find the domain and range of the function f(x)=3(x-3)^2-1 I think the domain is all real numbers but I'm not sure about the range
Tuesday, September 2, 2014 at 1:49am

algebra
find the x-coordinate if the vertex of a parabola that passes through the points (0,3) and (7.15,3). Round approximate results to the second decimal place. would I do 0+7.15/2 to get the x-coordinate?
Tuesday, September 2, 2014 at 1:43am

Algebra 2
What does it mean when a negative sign is outside of a square root?
Monday, September 1, 2014 at 11:44pm

Algebra 2
What are -√2 and √2/3 as decimals?
Monday, September 1, 2014 at 11:41pm

Algebra 2
What is 2√5 as a decimal?
Monday, September 1, 2014 at 11:26pm

algebra
solve the literal equation for x. Square root 3x + 2y +5x=4, for x
Monday, September 1, 2014 at 11:19pm

college algebra
1. divide and simplify x^2+x-56/x^1-1 / x-7/2x+2 2. find the product in simplest from for x^2+x-6/2x^2-x-3 * x^7-2x^6+4x^5/x^4+8x 3. perform the indicated operations and simplify: 2/3x +4/3x^2 y^4 -6/2x^4 y^5 4. perform the indicated operation and simplify x/x-1 + 2x+3/x^2-1 5...
Monday, September 1, 2014 at 2:06pm

algebra
a cannon is 80 feet long. the muzzle velocity = 960 ft / sec. if fired strait up, what is the maximum height
Monday, September 1, 2014 at 10:37am

Algebra 2
Simplify the Expression. 2m^2 - 5n^2 + 6n^2 - 8m
Monday, September 1, 2014 at 1:57am

algebra
Write a formula to express the following sentence as an equation: The sale price us 25% off the original price. Use S for sale price and P for original price to express S as a function of P.
Sunday, August 31, 2014 at 11:07pm

Algebra
please help Solve the equation if possible -2|3y+7|+9=5
Sunday, August 31, 2014 at 4:49pm

Algebra
5.) A boat makes a trip downstream in 5 hours. The return trip against the current takes 12 hours. If the speed of the current is 3 1/2 km/h, what is the speed of the boat in still water? 6.) How far does the boat referred to in Exercise 5 travel (one-way)?
Sunday, August 31, 2014 at 3:53pm

Algebra
Write and then solve the equation for the following. Please correct me if I'm wrong!! 1. If 3x+2x is equal to 15, what is the value of x? Answer: x=3 2. If three times the quantity (4y-2) is equal to 18, what is the value of y? Answer: y=1
Sunday, August 31, 2014 at 3:41pm

Algebra 2
5.) A boat makes a trip downstream in 5 hours. The return trip against the current takes 12 hours. If the speed of the current is 3 1/2 km/h, what is the speed of the boat in still water? 6.) How far does the boat referred to in Exercise 5 travel (one-way)?
Sunday, August 31, 2014 at 2:53pm

Algebra 2
Worldwide Airlines flies from Lakeside to Whichitfalls in 4 hours with a tail wind, The return trip against the wind takes 5 hours. Whichitfalls is 5040km from Lakeside. Find the speed of the plane and the velocity of the wind. Would you get on the plane?
Sunday, August 31, 2014 at 2:48pm

Algebra
In the equation x^2 + mx + n = 0, m and n are integers. The only possible value for x is -3. What is the value of m? If I substitute -3 and solve for m, I can get many values for m based on what I pick for n. How can the answer only be 6?
Sunday, August 31, 2014 at 11:07am

algebra
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x2 + 6x + 9
Sunday, August 31, 2014 at 2:45am

algebra 2
glenn bought a new shirt on sale for 30% off. the original price of the shirt was $19.49. write an expression without subtraction to find the sale price of the shirt. then find the sale price.
Saturday, August 30, 2014 at 11:01pm

algebra 2
mona lives in florida. she drives 550 miles to texas. her car's tank holds 15 gallons of gas and she gets an average of 25 miles per gallon of gas. if mona fills up her gas tank before she leaves, how many more times will she have to fill up the tank to drive to texas and ...
Saturday, August 30, 2014 at 10:56pm

algebra
1. Kevin ran 3 miles less than Steve ran. The sum of their distances is 21 miles. How far did Steve run? The domain of the solution is {0, 10.5, 12, 18}.
Saturday, August 30, 2014 at 2:57pm

Algebra 1
A rectangle's length is 3 cm less than twice it's width. if the length is decreased by 2 cm and the width is decreased by 1 cm, the perimeter will be 24 cm. find the dimensions of the original rectangle.
Saturday, August 30, 2014 at 2:52pm

Algebra 1
each side of an equilateral triangle is 4 cm shorter than twice the length of each side of a square. their perimeter are the same. how long is each side of the triangle?
Saturday, August 30, 2014 at 2:14pm

Algebra
simplify: 12x^2 + 8x ------------- 9x^2 - 4
Saturday, August 30, 2014 at 12:01pm

Algebra 2
at 2 pm a freight train leaves a station and travels at 42 km/h. at 11pm and express train leaves the same station on a parallel track and travels at 105 km/h in the same direction. how far from the station will they meet?
Saturday, August 30, 2014 at 10:36am

Algebra
Find all solutions of: z^3-8p^3=0 Where p is a positive real number Write your answers in polar form as expressions in terms of p
Saturday, August 30, 2014 at 5:24am

Algebra II
The perimeter of a triangle is 47 km. the first side is 5 km shorter than twice the second. the third side is 2 km longer than the first. find the length of each side.
Saturday, August 30, 2014 at 2:00am

algebra 2
the formula c=5/9(F-32) gives the temperature in degrees celsius for a given temperature in degrees fahrenheit. what is the temperature in degrees celsius when the temperature is 68 degrees fahrenheit. c=5/9(f-32) c=5/9 (68-32) c=5/9(36)=20
Friday, August 29, 2014 at 6:17pm

is it correct algebra 2
3ab-2bc a=-4 b=6 c=-9 3(-4)(6)-2(6)(-9) -12(6)-12(-9) -72- -108 -180
Friday, August 29, 2014 at 4:30pm

Algebra 1
What are Five,ways to wright 2 more than x ??????????????????????????????????
Thursday, August 28, 2014 at 9:37pm

Algebra
A couple wants to install a squaremirror thathas an area of 500 square inches. to the nearest tenth of an inch, what length of wood trim is needed to go around the mirror.
Thursday, August 28, 2014 at 8:23pm

algebra
solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to grade my teens paper
Thursday, August 28, 2014 at 6:02pm

algebra
confused mom can someone please help me. Solve. x/5-x/2=21 what is the value of x? a)-70 b)-7 c)7 d)70 Thanks to anyone who can help.
Thursday, August 28, 2014 at 5:46pm

algebra
mineral=aluminite, cryptohalite, fluorannite, graphite, titanium, ziesite density (g/cm^3)=1.68, 2 1/100, 3 7/40, 2.16, 4 2/5, 3.86 1. explain why the densities cannot be represented using set-builder notation. 2. use interval notation to describe a set of numbers that ...
Thursday, August 28, 2014 at 5:43pm

algebra
identify one rational number and one irrational number that are members of the interval (-8,8)
Thursday, August 28, 2014 at 5:34pm

algebra 2
true or false every member of the interval (0,8] is a natural number
Thursday, August 28, 2014 at 5:31pm

Algebra II
Please check my answers With two parallel lines cut by a transversal, the number of pairs of alternate interior angles is equal to the number of pairs of corresponding angles. (1 point) Always Sometimes Never *I think the answer is sometimes Opposite angles in a quadrilateral ...
Thursday, August 28, 2014 at 2:48pm

Geographic information system
How would you find the answer to this? Assume that two two-by-two source rasters contain the following values: Raster 1: 7 14 10 36 Raster 2: 5 2 2 5 What would be the sum of all pixel values in the raster that would be created using the following map algebra expression? ...
Thursday, August 28, 2014 at 1:47pm

algebra
1. is (0,3) a solution to the equation y=x+3 (1 point) yes** no 2. is (1,4) a solution to the equation y=-2x (1 point) yes no** 3. (4,0),(3,-1),(6,3),(2,-4) Which are solution to y=x-4?Choose all correct answers. (2 points) (6,3) (4,0)** (3,-1) (2,-4)** Im not sure i need help...
Thursday, August 28, 2014 at 1:15pm

algebra
Two Questions: 1) A certain radioactive isotope has leaked into a small stream. 100 days later after the leak 10% of the original amount of the substance. Determine the half-life of this radioactive isotope. 2) During a research experiment, it was found that the number of ...
Thursday, August 28, 2014 at 8:54am

Intermediate Algebra
Is this correct 32-4-2-16-4 [{32x4}]-(2+16)/4 128-18=110/4=27.5
Wednesday, August 27, 2014 at 11:56pm

Honors Algebra II
I've been stuck on a problem with my homework for a couple of minutes now. We are doing Systems of Two Equations, using the substitution method. The problem is: 4y-6x+20=0 3=(18/5)x+(21/10)y
Wednesday, August 27, 2014 at 9:25pm

algebra
5x+3y–x=
Wednesday, August 27, 2014 at 9:10pm

Algebra
If twice the opposite of a number increased by five, then the result is the opposite of a number. What is the number? What is this even asking off me?
Wednesday, August 27, 2014 at 7:30pm

College Algebra
Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity of the object (in feet per second), s0 represents the initial height of the object (in feet), and t represents the time (in seconds), as the model ...
Wednesday, August 27, 2014 at 7:00pm

algebra
It cost $200 to rent a room they charge $13 per person what is the algebraic expressing for total cost for n?
Wednesday, August 27, 2014 at 5:35pm

algebra
the distance s to school is 1/5 more than the distance c to the pool
Wednesday, August 27, 2014 at 5:19pm

Algebra
So in an equation if there is an alphabetic entity the equation is open? My answer is yes
Wednesday, August 27, 2014 at 4:42pm

College Algebra
A and B share a $21 pizza. B eats 2/3 as much as A. How much should they each pay. Hint: There is still some pizza left.
Wednesday, August 27, 2014 at 3:31pm

algebra 2
Which of the following is the solution to |x|-2<-3? The less than symbol has a line under it if that changes.
Wednesday, August 27, 2014 at 3:00pm

Algebra
Is 32 =8x - 8 an example of an open equation? My answer is yes
Wednesday, August 27, 2014 at 12:40pm

Algebra
Is (1, -4) a solution for the equation y = -2x? My answer is 1 = 2 (-4) 1 = -8 No it isn't
Wednesday, August 27, 2014 at 12:34pm

Algebra
How can you use an equation to make a prediction from a pattern. I think that you can do based on the pattern giving you a base of probability to forecast with a reasonable degree of confidence something in the future.I would think that your degree of confidence might depend ...
Wednesday, August 27, 2014 at 12:31pm

algebra
two equal sides of an isosceles triangle are (3x-1)and (2x+2) units . third sides is 2x units . finds x and the perimeter of the triangle
Wednesday, August 27, 2014 at 12:22pm

algebra
Larry Mitchel invested part of his $32,000 advance at 7% annual simple interest and the rest at 6% annual simple interest. If this total yearly interest from both accounts was $2,050, find the amount invested at each. The amount invested at 7% is.... The amount invested at 6% ...
Wednesday, August 27, 2014 at 12:18pm

algebra
How many kg of tea leaf costing $20 per kg ,must be mixed with 24 kg of tea leaf costing $14 per kg, so that the resultant mixture tea cost $16 per kg
Wednesday, August 27, 2014 at 4:09am

Algebra
A stock market analyst was investigating the trends of two independent stocks and was surprised to see that both stocks were at the same unit value after a 12 month period. He knew that both stocks had started at the same value but had undergone different trends over the past ...
Wednesday, August 27, 2014 at 2:14am

Algebra
A new tollway is built. For the first month there is no toll to use the road and each day 4800 cars use it. After the first month it is estimated that for each dollar increase in the toll, 800 fewer cars will use the tollway. At what price do you think the company should set ...
Wednesday, August 27, 2014 at 2:06am

Algebra
A tank contains 1200 litres . A tap is turned on and 40 litres of water escape each minute. How much water has escaped in 12 minutes.
Wednesday, August 27, 2014 at 2:02am

algebra
2/5 of the total questions on a test have the answer Choice of C. If 50 questions have the answer C, how many total questions are there? I've tried 20/50 2/5 times 50/1
Tuesday, August 26, 2014 at 10:05pm

algebra
what is the algebraic expression for the following word phrase: the sum of 6 and n ? a) 6 - n b) 6 + n c) n - 6 d) n + 6
Tuesday, August 26, 2014 at 6:18pm

Algebra
Is (0,3) a solution to the equation y =x + 3 his is my teachers answer to my question of usage of the 2 numbers mentioned as possible solutions. yes it does make a difference. (4,8) is called an ordered pair. Ordered pairs are always in the form (x,y) That means the problem ...
Tuesday, August 26, 2014 at 6:10pm

algebra
evaluate a/z + bw^2 for a=21,b=3,w=6,and z=7 a) 111 b) 108 c) 301 d) 1,777 is the answer a ?
Tuesday, August 26, 2014 at 5:56pm

Algebra
There are 8 crackers in 1 serving. 16 crackers in 2 servings, 24 crackers in 3 servings, and so on. How many crackers are in a box of 12 servings, My answer is 8:1 ratio 1 serving = 8 crackers 12 servings at 8:1` ratio - 96 crackers,
Tuesday, August 26, 2014 at 5:40pm

algebra
Expressing using positive exponents. Then, if possible simplify. x little 7 above the x
Tuesday, August 26, 2014 at 12:55pm

algebra
$5900 is invested, part of it at 11% and part of it was at 6%. For a certain year, the total yield is at $509.00. How much was invested at each rate?
Tuesday, August 26, 2014 at 11:22am

Algebra
Is (0,3) a solution to the equation y = x + 3? My answer is no.
Monday, August 25, 2014 at 7:38pm

Algebra
Solve for x 2x^2 - 8 = 100
Monday, August 25, 2014 at 7:26pm

algebra
whys is 7-(-1) = 8, i don't understand why is it 8 how do you solve this!?
Monday, August 25, 2014 at 5:43pm

ALGEBRA
Checking algebra answer, Is it correct? 320km/1hr ↓ 320km /1hr →1m/1.609km =320m/1.609hr÷=199.3mph Answer: Round to nearest 10th =198.9mph
Monday, August 25, 2014 at 5:04pm

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