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August 20, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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Algebra
Simplify 7m² + 6.5n -4n + 2.5m² My answer is 9.5m² + 1.5n
Monday, August 18, 2014 at 1:22am

Algebra
The following is a report of defective parts reported by inspectors in 3 electronic factories: Brookline= 3 per 10,000 Brookville= 5 per 100,000 Brooklyn= 13 per 1,000,000 Which of the following best expresses the portion of defective parts in three factories combined: (A) 5 ...
Sunday, August 17, 2014 at 10:37pm

Algebra 2
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.64 cross product 10−5 watts/cm2
Sunday, August 17, 2014 at 9:47pm

Math
How long can I wait to see the answer of my question about Algebra ? Its been a long hour .
Sunday, August 17, 2014 at 6:41am

Algebra
If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal ...
Sunday, August 17, 2014 at 1:28am

Algebra
To which subset of rel numbers does the number -22 belong? whole numbers rational numbers integers irrational numbers natural numbers I know it's an Integer but I'm not sure of the second answer.
Sunday, August 17, 2014 at 12:01am

Algebra
Simplify the expression (7+5) + 4 * 13 - 2 My answer is 12 +4 * 13 -2 16 * 13 -2 16 * 11 176
Saturday, August 16, 2014 at 10:06pm

Algebra
A square field has an area of 479² ft What is the approximate length of a side of the field?
Saturday, August 16, 2014 at 9:53pm

Algebra
Simplify 5(14-2)²/2
Saturday, August 16, 2014 at 8:13pm

Algebra
Simplify 5(14-20²/2 My answer is 360
Saturday, August 16, 2014 at 12:40am

Algebra
Could you please check my answers. 1- -6.8² = 13.6 2- (- square root 196) -14 3- Simplify (square root) 100/49 = 10/7 4- Find the quotient of (-7 / 3) = 3/2 Thank you
Friday, August 15, 2014 at 9:21pm

algebra I
A water balloon is dropped from a rooftop that is 40 feet tall. How long will it take to fall to the ground? Round to the nearest tenth and include units.
Thursday, August 14, 2014 at 8:46pm

Algebra
H. If you are paid a weekly base salary of $200 plus an hourly wage of $5.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 50 hours worked for 1 week and determine your gross pay for that week. 200 weekly base salary...
Thursday, August 14, 2014 at 8:41pm

Algebra
solve by substitution. Please show all work. -6x+5y=1 6x+4y=10
Thursday, August 14, 2014 at 4:25pm

algebra
sam sells necklaces for 10 dollars each. each necklace cost her 5 dollars to make.she also has 5,000 dollars in fixed costs per year for her jewelry business. how many necklaces must she sell in order to make a profit of 1,000 dollars in one year
Thursday, August 14, 2014 at 3:21pm

Algebra
nathan wants to go to a hockey game with friends. Tickets are $18, but students can get discounted tickets for $12. They want to spend no more than $80, including $8 for parking. The vehicle they will take can only hold 7 people. Write and graph a system of four inequalities ...
Thursday, August 14, 2014 at 11:32am

algebra
x+4/8=x-2/6 6(x+4)=8(x-2) 6x+24=8x-16 8x-16=6x+24 8x-6x=24+16 2x=40 x=20
Wednesday, August 13, 2014 at 10:30pm

Algebra 2
x-3/2x*6x^2/5
Wednesday, August 13, 2014 at 10:02pm

Algebra
Is (5v+2) + 14x = 5v + (2+14x) an example of associative property of addition? My answer is yes
Wednesday, August 13, 2014 at 6:01pm

Algebra
r * 1 = r is an example of what kind of property of multiplication?
Wednesday, August 13, 2014 at 5:46pm

algebra
radicand equation 3y+1/9=2/3 3y +1/9=2/3^ 3y +1/9=2/3 x2/3 3y+1/9 =4/9 3y=4/9-1/9 3y=3/9 y=3/9divided by3 y=1/3 divided by 3 y=1
Wednesday, August 13, 2014 at 3:10pm

algebra
radicand equation d-1/3=4 d-1/3=4^ d-1/3=16 d=16-1=15 3d=15 d-5
Wednesday, August 13, 2014 at 2:54pm

Algebra
How many square feet of grass are there on a trapezoidal field with a height of 75 feet and bases of 125 feet and 81 feet. I know the formula is A = h( b + b) / 2 A = 75 ( 125 + 81) / 2 A = 75 ( 206 ) /2 OK, my question is do you divide the 206 by 2 and multiply times 75 or ...
Wednesday, August 13, 2014 at 2:54pm

algebra
I have a radicand equation 3-s=3 There is an index of 3 3-s=3times3tomes 3 3-s=27 s=9
Wednesday, August 13, 2014 at 2:48pm

Algebra
How many square feet of grass are there on a trapezoidal field with a height of 75 feet and bases of 125 feet and 81 feet. I know the formula is A = h( b + b) / 2 A = 75 ( 125 + 81) / 2 A = 75 ( 206 ) /2
Wednesday, August 13, 2014 at 12:31pm

Algebra
Word Problems: 1. A farmer has 2400 feet of fencing and wants to fence off a rectangular field that borders a straight river. If he needs no fence along the river, what are the dimensions of the field that he can fence with the largest area? Find the area of the field. 2. If ...
Wednesday, August 13, 2014 at 4:12am

algebra
radicand equation of 1/2n+3=3 There is an index of 4 1/2n+3=3x3x3x3 1/2n +3=81 1/2n=81-3 1/2n=78 n=39
Wednesday, August 13, 2014 at 12:20am

Algebra
The sum of two numbers is 9. Four times the larger number plus three times the smaller number is 48. Find the numbers. Thank you
Tuesday, August 12, 2014 at 11:33pm

Algebra
Two angles are complementary. Their difference is 50^*. Find the angles.
Tuesday, August 12, 2014 at 10:55pm

algebra
julia is studying the sum of interior angles in polygons. she creates polygons with 3,5,6,7 and 9 sides, and records the sum of the interior angles in each polygon in the table. Write an equation or inequality that represents the situation.
Tuesday, August 12, 2014 at 10:46pm

Algebra
Simplify the expression 4 squared + 8 /2 My answer is 12
Tuesday, August 12, 2014 at 10:29pm

Algebra
Write a word phrase for the Algebraic expression 3x - 7 My answer is the difference of 3 times a number x and 7
Tuesday, August 12, 2014 at 10:24pm

Algebra
If EG = 59 what are EF and FG? E to F is 8x-14 and F to G is 4x+1 X=______ EF=_______ FG=_______
Tuesday, August 12, 2014 at 6:12pm

algebra
(-5)x radicand equation 1/3x+4=-10 there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72
Tuesday, August 12, 2014 at 5:22pm

algebra
there is a radicand equation of 1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
Tuesday, August 12, 2014 at 5:16pm

algebra
1/3 + 5/s-4=2 s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9
Tuesday, August 12, 2014 at 4:38pm

algebra
n/4=n+1/3n n(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)
Tuesday, August 12, 2014 at 4:34pm

algebra
20/x^+4x=3/x+4+1/x 2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)
Tuesday, August 12, 2014 at 4:30pm

algebra
1/3 +5/s-4=2 s-4/3(s-4) +5(3)/3(s-4)=2/3(s-4) s-4+15=2 s-4+15-2=0 s-4+13=0 s=9
Tuesday, August 12, 2014 at 2:10pm

algebra
k+5=-6divided byk k^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1
Tuesday, August 12, 2014 at 2:06pm

algebra
2x+3 divided by x=x+5divided by 2 2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x-44x-6 x^+x-6 (x-1)(x+6) x-1=0 x=1 x+6=0 x=-6
Tuesday, August 12, 2014 at 2:01pm

Algebra
simplify 5+4 times (8-6) squared
Tuesday, August 12, 2014 at 3:57am

Algebra
Simplify 5 squared -4 over 5 + 2
Tuesday, August 12, 2014 at 2:41am

Algebra
Simplify (0.4) cubed
Tuesday, August 12, 2014 at 2:39am

Algebra
A pair of jeans is on sale for 25% off the original price. Write an expression that represents the sale price? If the original price of the jeans is $40, evaluate the expression to find the sale price. My answer is s = p-0.25 p; $30
Tuesday, August 12, 2014 at 12:57am

algebra
what do the words, "express m in terms of n" mean? which wors would be considered the input variable into the expression? algebra 1 homework
Tuesday, August 12, 2014 at 12:27am

Algebra
Pytheorem Quadratic Help me solve this problem x^2(2x+6)(2x+4)
Monday, August 11, 2014 at 11:49pm

coor. algebra
Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right?
Monday, August 11, 2014 at 11:23pm

Algebra
Algebra Word Problems: 1. The length of the floor of a one-storey building is 14 feet longer than its width. The building has 1,632 square feet of floor space. Write a quadratic equation for the area of the floor in terms of w. Find the length and width of the floor. 2. A ...
Monday, August 11, 2014 at 11:10pm

Algebra
Please help me find the GCF of these two expressions 20x^5u^7 and 28x^3v^2u^4
Monday, August 11, 2014 at 9:50pm

Algebra
Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...
Monday, August 11, 2014 at 8:46pm

Stats
1.Number of people in attendance at a baseball game qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 2. number of tracks on a CD qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 3.eye color qualitative/...
Monday, August 11, 2014 at 8:10pm

Algebra
What is the GCF of these two expressions? 30w^4v^8 and 24y^3w^6v^2 Please help me figure this out
Monday, August 11, 2014 at 6:47pm

Algebra
What is an algebraic expression for 5 more than z? My answer is z5
Monday, August 11, 2014 at 6:25pm

Algebra
Help me with these two equations Solve for v 2v^2+4v-14=(v+1)^2 solve for y y^2+6y+8=0
Monday, August 11, 2014 at 3:37pm

Algebra
Need help!! Please help me figure this out What is the length of 7ft more than twice the width and an area of the rectangle is 99ft^2. Find the dimension?
Monday, August 11, 2014 at 3:29pm

Algebra
What is the GCF of these two expressions 30w^4v^8 and 24y^3w^6v^2
Monday, August 11, 2014 at 2:51pm

Algebra
How do I factor this, Please help me.9w-w^3
Monday, August 11, 2014 at 2:43pm

Algebra
How do I factor this, Please help me.9w-w^3
Monday, August 11, 2014 at 2:21pm

Algebra
Is 3 A an example of an algebraic expression? My answer is yes
Monday, August 11, 2014 at 3:52am

Algebra
What is the word phrase for the Algebraic expression 4 (21 n)? My answer is 4 times the product of 21 and a number N
Monday, August 11, 2014 at 3:49am

Algebra
What is the algebraic expression for the word phrase 8 less than the product of 12 and a number x.
Monday, August 11, 2014 at 3:44am

Algebra
A cookie company uses one cup of sugar for every 35 cookies it makes. Let represent the total number of cups of sugar used, and let represent the number of cookies made. Write an equation relating to , and then graph your equation using the axes below.
Sunday, August 10, 2014 at 11:39pm

Accelerated Algebra
it takes 80 feet of fencing to enclose your garden. According to your calculations,you will need 350 square feet to plant everything you want. Is your garden big enough? Explain your answer. They gave a rectangle length=40-x and width= x I asked my mom and she also got ...
Sunday, August 10, 2014 at 10:47pm

Algebra
I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C...
Sunday, August 10, 2014 at 2:00pm

Algebra
I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =...
Sunday, August 10, 2014 at 1:49pm

Algebra
I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =...
Sunday, August 10, 2014 at 9:50am

Algebra
I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C...
Sunday, August 10, 2014 at 9:48am

Algebra
Graph 4x + 3y =-3
Sunday, August 10, 2014 at 12:56am

Algebra
The plans for a she'd call for a rectangular floor with a perimeter of 276ft. The length is two times the width. Find the length and the width
Sunday, August 10, 2014 at 12:08am

elementry & intermediate Algebra
Find the y-intercept od the line whose equation is Y= 11/2 7/4
Saturday, August 9, 2014 at 8:58pm

Algebra
y=11/2 x 7/4
Saturday, August 9, 2014 at 8:53pm

Algebra
How do I factor u^2+18u+81? Please help
Saturday, August 9, 2014 at 7:25pm

Algebra
Please help me simplify y^3x^6/y^5x^4
Saturday, August 9, 2014 at 4:37pm

Algebra
what is the GCF of 15x^4 and 13y^2 I am having a difficult time trying to figure it out.
Saturday, August 9, 2014 at 3:50pm

Algebra
what is the Greatest common factor of 4w^3 and 13w^2 I am thinking it's 52w
Saturday, August 9, 2014 at 3:17pm

Algebra
I need help with this problem. What is the Greatest common factor of 12x^2 and 9x?
Saturday, August 9, 2014 at 3:07pm

Algebra 1
On a scale drawing 1/4 in equals 1 foot . If the length of a room on a scale drawing is 5 1/4in , how long is the room ? I just need someone to help me through this problem cause I don't get how to do it at all .
Saturday, August 9, 2014 at 12:29pm

Algebra
Consider the line -4x-8y=6. What is the slope of a line parallel to this line? What is the slope of a line perpendicular to this line?
Friday, August 8, 2014 at 11:09pm

Algebra
Consider the line . What is the slope of a line parallel to this line? What is the slope of a line perpendicular to this line?
Friday, August 8, 2014 at 10:11pm

algebra
Does anyone know how to find multiples of 7 from 250 to 500?
Friday, August 8, 2014 at 5:43pm

algebra
7 1/5 divided by 3/5 estimated
Friday, August 8, 2014 at 4:03pm

Algebra
A phone company charges $30 per month for a long distance plan plus a charge of $.05 per minute. What would the monthly charge be for someone who talked two and a half hours?
Friday, August 8, 2014 at 3:53pm

algebra
A manufacturer of birds feeder cut spacers from a tube that is 7 1/5 inches long. How many spacers can be cut from the tube if each spacer must be 3/5 inch thick. The estimated answer is?
Friday, August 8, 2014 at 3:51pm

Algebra
"Find the maximum value of y/x over all real numbers x and y that satisfy (x - 3)^2 + (y - 3)^2 = 6." I tried simplifying it to xy(x+y-12), went nowhere.
Friday, August 8, 2014 at 1:39pm

Algebra
The pH level of a popular shampoo is between 6.0 and 6.5 inclusive.What compound inequality shows the pH levels of this shampoo?
Friday, August 8, 2014 at 9:37am

Algebra
workers at a hardware store take their morning break no earlier than 10AM and no later than noon.Let c represent the time the workers take their break.Write the absolute value inequality to represent the situation
Friday, August 8, 2014 at 3:49am

Algebra
math test scores are 68 ,78,90and 91 what is the lowest score you can earn on the next test and still achieve an average of at least 85
Friday, August 8, 2014 at 3:21am

Algebra
At 8Am population of bacteria is 100,at 10Am population of bacteria is 200,At 12PM population of bacteria is 400,At 2PM population of bacteria is 800.If the pattern continues what will the bacteria population be at 6.00 pm
Thursday, August 7, 2014 at 11:57pm

Algebra
A mural made of triangular tiles has an area of 1750square centimeters.each triangle has a height that is 3 centimeters longer than its base of 2 centimetrs.how many triangular tiles are there
Thursday, August 7, 2014 at 11:45pm

Algebra 2
A species of bees make hexagonal, 6 sided, honeycombs.The bees begin with on hexagonal cell then make successive rings of hexagonal cells around the initial cell. Make a table of values for the number of cells in each of the first 8 rings (1st ring, 2nd ring, etc..) after the ...
Thursday, August 7, 2014 at 11:04pm

Algebra 2
Is this sequence arithmetic, geometric, or neither? 3,10,31...
Thursday, August 7, 2014 at 10:57pm

Algebra 2
Is this sequence arithmetic,geometric, or neither? -111,2.5,115.5
Thursday, August 7, 2014 at 10:56pm

algebra
z=yn y=
Thursday, August 7, 2014 at 10:54pm

Algebra 2
The sequence is defined by a recursion formula. Write the first four terms of the sequence; a_1=0; a_n=5a_n-1 +7
Thursday, August 7, 2014 at 10:53pm

Algebra 2
The sequence is defined by a recursion formula, write the first four terms of the sequence; a_1=100; a_n=1/2a_n-1 +4
Thursday, August 7, 2014 at 10:50pm

Algebra 2
The sequence is defined by a recursion formula.Write the first four terms; a_1=-5; a_n=2a_n-1 +7
Thursday, August 7, 2014 at 10:47pm

Algebra 2
The sequence is defined by a recursion formula. Write the first four terms of the sequence: a_1=9; a_n=3a_n-1
Thursday, August 7, 2014 at 10:44pm

Algebra 2
Year: 1, 2, 3, 4, 5 Sale:.48,1.032,2.198,4.726,10.208 (in millions) -If the sales growth pattern continues, what will be the sales for ABC Company in year 12? -What will be the total sales for ABC Company for years 1 through 12? I know that this is a geometric sequence with a ...
Thursday, August 7, 2014 at 10:40pm

Algebra 2
For the following sequence, determine the indicated geometric means; 180,_,_,_,_,-5.625,... I could hardly even calculate this! Anyone have a better idea?
Thursday, August 7, 2014 at 10:33pm

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