Thursday
April 17, 2014

Homework Help: Math: Arithmetic

Recent Homework Questions About Arithmetic

Post a New Question | Current Questions

Multiplying Decimals
http://www.mathsisfun.com/multiplying-de​cimals.html https://www.khanacademy.org/math/arithme​tic/decimals/multiplying_decimals/v/mult​iplying-decimals Hint: Your answer will have three decimal places.
Tuesday, May 7, 2013 at 6:28pm

arithmetic
What did he start with ? What is meant by ?<3 at the end of your post ?
Tuesday, May 7, 2013 at 3:53pm

arithmetic
james used the rule add 2 to create a sequence.the he used the rule add 12 to create a second sequence.what are the first five terms in each sequence james created?<3
Tuesday, May 7, 2013 at 3:27pm

arithmetic
No
Tuesday, May 7, 2013 at 1:20pm

Social Studies
I need a 4 paragraph essay on the devil's arithmetic. my theme is "no laugh, no hope. NO hope, no life." THANK YOU (: im not passing and i reallllllly neeed help on this
Monday, May 6, 2013 at 9:33am

algebra
dimes -- x nickels -- x+3 quarters --- 38-x-(x+3) = 35-2x 10x + 5(x+3) + 25(35-2x) = 795 10x + 5x + 15 + 875 - 50x = 795 -35x = -80 no integer solution, so the question is flawed. check my arithmetic, and check your typing
Friday, May 3, 2013 at 7:12am

math
each week she increases her speech by 30 seconds 12 minutes = 720 seconds (you are right so far) This is an arithmetic sequence, where a = 150 , d = 30 we need to find which term is 720 150 + (n-1)(30) = 720 30n - 30 = 570 30n = 600 n = 20 but what I considered first term is ...
Monday, April 29, 2013 at 9:53pm

7th Grade Math for Steve.. or Ms. Sue
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 ** The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32...
Sunday, April 28, 2013 at 4:20pm

Calculus
Make a cross-section diagram showing a rectangle within a triangle, or if you are artistically inclined, make a drawing of the cylinder within the cone. Let the radius of the cylinder be r, let its height be h by similar triangles, h/(2-r) = 5.5/2 2h = 11 - 5.5r h = (11-5.5r)/...
Sunday, April 28, 2013 at 5:31am

maths
find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6. 2.A display of cans on a grocery shelf consists of 20 cans on the botton, 18 cans inthe next row, and so on in an arithmic sequence, until the to[p row has four cans. how many cans , in total, are in the display?
Sunday, April 28, 2013 at 2:36am

maths-ARITHMETIC PROGRESSIONS
The fourth and eleventh terms of an A.P are respectively,11 and 32. Fine the A.P what is the sum of the first eleven terms of the series
Sunday, April 28, 2013 at 2:28am

borrowing in subtraction
Check out these sites. http://www.youtube.com/watch?v=D5mXVjbpj​xY http://www.khanacademy.org/math/arithmet​ic/addition-subtraction/sub_borrowing/v/​subtraction-3---introduction-to-borrowin​g-or-regrouping http://www.proteacher.org/c/325_subtract​...
Saturday, April 27, 2013 at 10:53pm

Math-Borrow
bor·row [bor-oh, bawr-oh] Show IPA verb (used with object) 1. to take or obtain with the promise to return the same or an equivalent: Our neighbor borrowed my lawn mower. 2. to use, appropriate, or introduce from another source or from a foreign source: to borrow an ...
Saturday, April 27, 2013 at 12:43pm

math
if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y
Saturday, April 27, 2013 at 10:25am

precalculus
join the ends of the two smallest sides let its length be x x^2 = 3.6^2 + 5.3^2 - 2(3.6)(5.3)cos117° = 58.374..x = 7.64 ( I stored the entire number) area of the triangle formed by x and the the two smaller sides = (1/2)(5.3)(3.6)sin117 = 8.5 In the larger triangle, let ...
Friday, April 26, 2013 at 9:17pm

math help please ASAP
2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric neither 3. 5 • 3^n (1 point) 15, 30, 45, 60 5, 15, 45, 135 0, 15, 45, 135 15, 45, 135, 405 4. Use the function rule ƒ(x) = n • |–1|^n. ...
Thursday, April 25, 2013 at 7:52pm

Calculus
Using an online roots calculator I get x = 3243.358, -1750.404, 7.046 so perhaps 7 check my arithmetic!
Thursday, April 25, 2013 at 1:52pm

arithmetic (incomplete)
Does the flower sink to the bottom of the lake? If so, 5.5 - 10 = ?
Saturday, April 20, 2013 at 1:55pm

arithmetic
a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and flower sinks 10 cm far from its original point, what is the depth of lake at the point where the flower was floating
Friday, April 19, 2013 at 11:02pm

Algebra 1
#1 and #3 are the same type of problem. Solve the two equations, once you have the x and y, just perform the required arithmetic. I will do the first you do #3 add the equations: 4x = 12 x = 3 sub back into the 2nd (looks easier) -3 + 3y = 9 3y = 12 y = 4 so x=3, and y = 4, ...
Thursday, April 18, 2013 at 2:48pm

arithmetic mean
( 88 + 94 + 98 + 84 ) / 4 = 364 / 4 = 91
Thursday, April 18, 2013 at 8:39am

arithmetic mean
what is the average of 88 94 98 84
Thursday, April 18, 2013 at 8:37am

Math&gt;&gt; Help!!
looks like an arithmetic sequence where a = 12 d = 6 term(n) = a + (n-1)d 60 = 12 + (n-1)(6) 48 = 6n-6 54 = 6n n = 9 9 weeks
Tuesday, April 16, 2013 at 11:55pm

HELP!!! Math
You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. What is the total distance the object fall in 6 seconds?
Tuesday, April 16, 2013 at 11:34pm

please help me please!!! Math
in an arithmetic sequence term(n) = a + (n-1)d inyour case a = 3x+1 d = 2x+6 term(6) = a + 5d = 3x+1 + 5(2x+6) = 3x+1 + 10x + 30 = 13x + 31
Tuesday, April 16, 2013 at 11:31pm

Please Help!! Math
A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, and so on in an arithmetic sequence, until the top row has 4 cans. How many cans, in total, are in the display?
Tuesday, April 16, 2013 at 11:29pm

please help me please!!! Math
Find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6 . I can't even solve it because I do not have any idea.
Tuesday, April 16, 2013 at 11:23pm

arithmetic
using the standard terminology.... a = 2 t(7) = a+6d 2 + 6d = 3278 6d = 3276 d = 546
Tuesday, April 16, 2013 at 10:33pm

arithmetic
If the first term of an arithmetic sequence is 2 and the 7th term is 3278, what is the common difference?
Tuesday, April 16, 2013 at 10:29pm

math
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence. 10,-2,-14,-26,?...
Tuesday, April 16, 2013 at 6:53pm

arithmetic (incomplete)
"minus square" of what? That would make a difference.
Monday, April 15, 2013 at 12:40pm

Physics
check the arithmetic
Sunday, April 14, 2013 at 5:48pm

arithmetic
0.6 * 160 = ?
Sunday, April 14, 2013 at 5:14pm

arithmetic
play 160 games and won 60% how many games did the team win
Sunday, April 14, 2013 at 5:09pm

arithmetic
Think of these numbers as money. 0.015 = between one and two cents 0.105 = between 10 and 11 cents 0.15 = 15 cents
Sunday, April 14, 2013 at 4:58pm

arithmetic
which of the following is the leas0. 0.015 0.105 or 0.15
Sunday, April 14, 2013 at 4:56pm

arithmetic
Yes
Sunday, April 14, 2013 at 4:22pm

arithmetic
which of the following is the least
Sunday, April 14, 2013 at 3:39pm

algebra
Select the first five terms in the arithmetic sequence an = 6n, starting with n = 1.
Saturday, April 13, 2013 at 9:25pm

8th grade math!!!!! :)
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1...
Thursday, April 11, 2013 at 4:46pm

algebra
the number must be divisible by 2, by 3, and by 5 that is it must be divisible by 30 So the sequence is 30 60 90 ... < 500 this is an arithmetic sequence, where a = 30 and d = 30 what term is around 500 a+ (n-1)d = 500 30 + (n-1)(30) = 500 30 + 30n - 30 = 500 30n = 500 n = ...
Wednesday, April 10, 2013 at 8:28pm

Algebra
think of it as a function f(k) = (k+6)^2 , and consecutive integers only are used for k starting with k = 1. The results obtained are then added. so I am assuming you have (1+6)^2 + (2+6)^2 + (3+6)^2 + (4+6)^2 = 49 + 64 + 81 + 100 = .... I am assuming the 4 was written above ...
Saturday, April 6, 2013 at 2:33pm

MATHs
The three terms x+12, 3x+5 and 2x+25 are the first three terms of an arithmetic progression. What is the value of x?
Friday, April 5, 2013 at 8:35pm

college math
Let the volume of 52 proof to be added be x L so .26x + .41(1) = .33(1+x) or 26x + 41 = 33(1+x) 26x + 41 = 33 + 33x 8 = 7x x = 8/7 = 1.143 L check my arithmetic
Friday, April 5, 2013 at 12:34pm

math
The three terms x+12, 3x+5 and 2x+25 are the first three terms of an arithmetic progression. What is the value of x?
Friday, April 5, 2013 at 7:47am

Algebra 2
1 th term a1 = 4 * 1 + 16 = 4 + 16 = 20 2 th term a2 = 4 * 2 + 16 = 8 + 16 = 24 3 th term a3 = 4 * 3 + 16 = 12 + 16 = 28 4 th term a4 = 4 * 4 + 16 = 16 + 16 = 32 etc. Arithmetic sequence with first term a1 = 20 and common difference d = 4 General formula for arithmetic ...
Thursday, April 4, 2013 at 8:10pm

Algebra 2
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
Thursday, April 4, 2013 at 6:53pm

Algebra
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
Thursday, April 4, 2013 at 6:37pm

math
consider the two separate functions y = e^(2x) and y = k√x To have 1 real root, they must touch each other that is, they must have a common tangent at their point of contact so for the first : dy/dx = 2e^(2x) for the second: dy/dx = (1/2)(k)x^(-1/2) they must be equal 4e...
Thursday, April 4, 2013 at 12:26pm

calc
Let the width of the rectangle be 2x , making the radius of the semicircle = x let the height of the rectangle be y then 2x + 2y + 2πx = 24 x + y + πx = 12 y = 12-x-πx Assume that the amount of light (L) is a function of the area L= area of rectangle + (1/2) ...
Thursday, April 4, 2013 at 8:27am

Algebra please
I have two left I need help with and dont understand. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75.
Wednesday, April 3, 2013 at 10:36pm

Algebra
I have 3 questions I'm stuck on and would love for someone to explain and show me how to solve them so I can also solve the other one. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75. 3. Find the general ...
Wednesday, April 3, 2013 at 9:42pm

Algebra 3
find the sum of each finite arithmetic series 8+9+10+...+15
Wednesday, April 3, 2013 at 7:49pm

arithmetic
http://www.google.com/webhp?source=searc​h_app#hl=en&sclient=psy-ab&q=6.3+*+100&o​q=6.3+*+100&gs_l=serp.3..0i7i30j0i30j0i5​i30l2.6882.9890.1.12697.4.4.0.0.0.0.103.​387.3j1.4.0...0.0...1c.1.8.psy-ab.ZmD8qh​oP2K0&pbx=1&bav=on.2,or.r_qf.&fp=d11a36d&#...
Wednesday, April 3, 2013 at 6:07pm

arithmetic
what is 6.3x100
Wednesday, April 3, 2013 at 6:02pm

Arithmetic
100 - 55 = 45 Is Tom correct?
Wednesday, April 3, 2013 at 5:43pm

Math
Can you convert these fractions to decimals? http://www.mathsisfun.com/converting-fra​ctions-decimals.html http://math2.org/math/general/arithmetic​/fradec.htm
Wednesday, April 3, 2013 at 4:01pm

Algebra
1. What you have is an arithmetic sequence where a=3 and d=-2 So, S10, the sum of the first 10 terms, is S10 = 10/2 (2*3 + 9(-2)) = -60 same way for #2 3. looking at the terms, the difference is 7. Dividing the range of terms, we see that (93-16)/7 = 11 So, 7 is added to 16 11...
Wednesday, April 3, 2013 at 3:36pm

Algebra
I have a few problems I need some help with. The first is Evaluate the sum. 1. There is an E like symbol on the top is 10 on the bottom n=1 and to the right (7-2n) 2. The next question is find a10 for an arithmetic sequence with a1=6 and d=10 3. Find the number of terms in the...
Wednesday, April 3, 2013 at 3:20pm

maths
( (x^2 - 1)^2 - 1)^2 - 1 = 0 ( (x^2 -1)^2 -1 )^2 = 1 (x^2 - 1)^2 - 1 = ± 1 (x^2 - 1)^2 - 1 = 1 OR (x^2 - 1)^2 - 1 = -1 (x^2 - 1)^2 = 2 or (x^2 - 1) = 0 x^2 - 1 = ±√2 or (x^2 - 1) = 0 x^2 = 1 ± √2 or x^2 - 1 = 0 x = ±(1 ±√2...
Monday, April 1, 2013 at 8:13am

Algerbra
Excel to find values for this simple equation???? Just make a table x | y , pick any x you feel like, then do the arithmetic 0 -1 1 1 2 3 3 5 4 7 -1 -3 -2 -5 .... You know it is a straight line, so all you really needed are two points, (I suggest a third to verify)
Sunday, March 24, 2013 at 8:13pm

arithmetic
Good for you brother! Stay in school!
Sunday, March 24, 2013 at 5:39am

arithmetic
Use a calculator sweetie pie: 0.034
Sunday, March 24, 2013 at 5:37am

Math(arithmetic & Geometric Series)
You have to know the formula for the sum of n terms of an AS Sum(6) = 3(2a + 5d) 6a + 15d = 45 --- #1 sum(12) = 6(2a + 11d ) = -8 12a + 66d = -8 6a + 33d = -4 ---#2 subtract them 18d = -49 d = -49/18 back in #1 6a + 15(-49/18) = 45 6a = 45 + 735/18 6a = 515/18 a = 515/36 ...
Saturday, March 23, 2013 at 9:15pm

Math(arithmetic & Geometric Series)
1)The sum of 6 terms of an arithmetic series is 45, the sum of 12 terms is -8. Find the first term and the common difference? 2)If in a geometric sequence the sum of the second and the third is 20 and the sum of the fourth and fifth is 320, find the common ratio and the first ...
Saturday, March 23, 2013 at 7:38pm

algebra 2\arithmetic series
Is this your question ???? http://www.jiskha.com/display.cgi?id=134​3337988
Saturday, March 23, 2013 at 2:57pm

arithmetic
http://www.google.com/webhp?source=searc​h_app#hl=en&gs_rn=7&gs_ri=psy-ab&gs_mss=​10.7%20%20315.00&pq=ip%20a&cp=6&gs_id=t&​xhr=t&q=10.7+/+315.00&es_nrs=true&pf=p&s​client=psy-ab&oq=10.7+/+315.00&gs_l=&pbx​=1&bav=on.2,or.r_qf.&fp=1a56139a491fb62f&#...
Saturday, March 23, 2013 at 2:30pm

arithmetic
10.7 div by 315.00=
Saturday, March 23, 2013 at 2:27pm

algebra 2\arithmetic series
on the moon ,afalling object falls jest 2.65feet in the first second afther
Saturday, March 23, 2013 at 2:24pm

math
looked at it using fractional exponents instead of the radical signs .... [ (x^(1/2) * x^(3/2) / x^(2/4) ]^1/2 = [x^(3/2)[^1/2 = x^(3/4) check my arithmetic
Friday, March 22, 2013 at 5:44pm

algebra (incomplete)
What type of distribution of scores is it? Normal? Skewed? Bimodal? MAD is the arithmetic average of the scores? It serves as a fulcrum (balance point) for the scores?
Thursday, March 21, 2013 at 12:54pm

Algebra
Identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2, . . . I think it is geometric - divisible by 1/2...? Is that right?
Thursday, March 21, 2013 at 11:44am

mathematics
I assume you want "exact" answers for these, the usual kind of request for these types of questions. All your given angles are combinations of the standard angles of 30, 45, 60 etc e.g. 75 = 45+30 15 = 45-30 105 = 60+45 You should also have memorized or have quick ...
Thursday, March 21, 2013 at 9:49am

maths
What is the smallest positive common difference of a 6-term arithmetic progression consisting entirely of (positive) prime numbers?
Thursday, March 21, 2013 at 6:44am

maths
How many integers appear in both of the following arithmetic progressions: A1:2,9,16,……,2+(1000−1)&​times;7 A2:3,12,…,21,…,3+(1000−1​)×9 Details and assumptions Since 2 appears in A1 but not in A2, it does not appear in both of...
Thursday, March 21, 2013 at 6:37am

Algebra
1st one: looks like they are adding 5 , so arithmetic C is correct 2nd: terms would be 15 16.5 18 19.5 ... You are correct again with B
Tuesday, March 19, 2013 at 11:43am

Arithmetic
what is 1-1/3-1/6?
Tuesday, March 19, 2013 at 11:02am

Arithmetic
Thank You
Tuesday, March 19, 2013 at 10:49am

Algebra
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 14, 19, 24, 29, . . . A.geometric, 34, 39, 44 B.arithmetic, 32, 36, 41 C.arithmetic, 34, 39, 44 D.The sequence is neither geometric nor arithmetic. I think this is C...? What are the first ...
Tuesday, March 19, 2013 at 10:48am

arithmetic
I see. I am now returning back to school after years. I just could not remember how to solve this. Thank you very much
Tuesday, March 19, 2013 at 10:48am

Arithmetic
B-1/2 Let no. of books be x No. of history books equal x into 1/3 I.e.x/3 No. Of English books equal x into 1/3 I.e. x/6 Rest books = no. Of science books =total books -(history books+English books) =×-(×/3 +×/6) =x-(3x/6) =x-x/2 =x/2 books are of science of ...
Tuesday, March 19, 2013 at 10:46am

arithmetic
The very fact that you were asked this question indicates that you should have learned that fact about triangles. There's no way to answer the question without knowing it.
Tuesday, March 19, 2013 at 10:42am

arithmetic
yes. That is a property of all triangles. It's easy to prove just with the theorem that alternate interior angles between two parallel lines are equal.
Tuesday, March 19, 2013 at 10:41am

algebra
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 4, 8, –16, 32, . . . A.arithmetic, 64, 128, 256 B.geometric, –64, 128, –256 C.geometric, –48, 64, –80 .DThe sequence is neither geometric nor arithmetic. I think it...
Tuesday, March 19, 2013 at 10:41am

arithmetic
The is 100* However, will the angles always add up the 180*
Tuesday, March 19, 2013 at 10:31am

arithmetic
the three angles add up to 180, so that makes it easy, right?
Tuesday, March 19, 2013 at 10:29am

Arithmetic
A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If one-third of these books are history books and one-sixth are English books, what fraction of the books are science books? A. 1/3 B. 1/2 C. 2/3 D. 3/4...
Tuesday, March 19, 2013 at 10:24am

Arithmetic
A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If one-third of these books are history books and one-sixth are English books, what fraction of the books are science books?
Tuesday, March 19, 2013 at 10:23am

arithmetic
The measure of two angles of a triangle are 35* and 45*. What is the measure of the third angle of the triangle? A. 95* B. 100* C. 105 D. 110*
Tuesday, March 19, 2013 at 10:15am

7th Grade Math
http://www.mathsisfun.com/algebra/sequen​ces-sums-arithmetic.html http://www.mathsisfun.com/algebra/sequen​ces-sums-geometric.html
Monday, March 18, 2013 at 1:03pm

7th Grade Math
What is arithmetic and geometric sequences?
Monday, March 18, 2013 at 12:43pm

number theoRY!!!
How many integers appear in both of the following arithmetic progressions: A1: 2, 9, 16,.....2+(1000-1)*7 A2: 3, 12, 21,.....3+(1000-1)*9 Since 2 appears in A1 but not in A2, it does not appear in both of the arithmetic progressions.
Monday, March 18, 2013 at 3:11am

arithmetic
the answer is 12
Sunday, March 17, 2013 at 3:00pm

trigonometry
radius of wheel = 24 inches one rotation = 2π(24) = 48π inches in 1 hour it goes 55 miles = 55x5280x12 inches = 3484800 inches number of rotations per hour = 3484800/(48π) = 23109.29774 rotations per hour = 385.155 rpm = 385.155x(2π) radians /min = 2420 ...
Friday, March 15, 2013 at 10:32pm

mathematics
the 1st term of arithmetic series is 2 .the 1st ,3rd and 11th terms are the first the terms of a geometric series. find the 6 terms of the arithemetic series
Thursday, March 14, 2013 at 10:54pm

calculus
a) Assuming you meant x^3 + y^3 - x y^2 = 5 3x^2 + 3y^2 dy/dx - x(2y)dy/dx - y^2 = 0 dy/dx(3y^2 - 2xy) = y^2 - 3x^2 dy/dx = (y^2 - 3x^2)/(3y^2 - 2xy) b) just arithmetic, you do it c) yours d) for a horizontal tangent, dy/dx = 0 then y^2 - 3x^2 = 0 y^2 = 3x^2 y = ± x&#...
Wednesday, March 13, 2013 at 9:26pm

arithmetic
20 divided by 5 = ?? multiply that number (??) by 3 What's your answer?
Wednesday, March 13, 2013 at 5:04pm

arithmetic
If I cut a cake in 20 pieces & I ate 3/5 of the pieces , how many pieces did I et
Wednesday, March 13, 2013 at 5:04pm

Math/209
No top ? So I see a base which is (50-2x) by (40-2x) and I see a height of x total surface area = (50-2x)(40-2x) + 2x(50-2x) + 2x(40-2x) =2000 - 180x + 4x^2 + 100x - 4x^2 + 80x - 4x^2 = -4x^2 + 2000 -4x^2 + 2000 = 1900 -4x^2 = -100 x^2 = 25 x = √25 = 5 check my arithmetic
Tuesday, March 12, 2013 at 9:09pm

MAths algebra
Tiger woods won the Buick Invitational.The following scorecard shows the result of Round1.there are 18 holes? per round and the table shows the number of times woods got each type of score. Score on a hole and Number of times score occurred Eagle (-2) 2 Birdie(-1) 4 Par (0) 10...
Tuesday, March 12, 2013 at 11:31am

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