Wednesday

August 20, 2014

August 20, 2014

**Recent Homework Questions About Algebra**

Post a New Question | Current Questions

**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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