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Arithmetic

math
help please The measures of the sides of a right triangle form an arithmetic progression whose difference is 1. Find the measure of the hypotenuse

math
Help please find three consecutive numbers, which are in arithmetic progression whose sum is 39

arithmetic
a guy bought some fish from a farm.during 1st week 1/8 of fish died ,in next 2 weeks 3/5 of the remaining died.what fraction of the original fish died in last three weeks

Math
The first three terms of an arithmetic progression are t, 2t-1, 2t+4. Calculate the value of t.

Math
– 11 is the __________ term of the arithmetic sequence – 847, – 836, – 825, – 814, – 803, …

arithmetic
the temperature in Montreal is -3 degrees celsius at 10.00pm.by 6:00 am the temperature has dropped another 11 degress celsius.what is the new temperature?

arithmetic
a tent needs 8.3 meters of fabric.Ifthe fabric cost $32.00 per meter,how much will it cost to make the tent?

Math
Find the value of x so that 3x – 2, 2x – 1 and 4x – 3 form an arithmetic sequence.

Math
Find the 12th term of the arithmetic sequence 2, 6, 10, … .

arithmetic
In a box of 800 oranges,72 are bad.what percentage is bad?what percentage is good?

Arithmetic
The first, second and third terms of a geometric progression are 2k+3, k+6 and k, respectively. Given that all the terms of geometric progression are positive, calculate (a) the value of the constant k (b) the sum to infinity of the progression.

Math
1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?

Math
Solve for the 1st term of the arithmetic sequence whose 33rd term is -2p and whose 61st term is 26p.

Arithmetic
A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 54 marbles in it. At least how many green marbles does it have in it?

arithmetic
I am larger than 50 and less than 100. i have a 5 in the ones place. i have a number smaller than 6 in the tens place. What number am I?

math
The arithmetic mean of two numbers is 9 and their geometric mean is 3√5. Find these numbers

math
Given the numbers 10 and 40 their averages are obtained by different procedures 16, 20 and 25 respectively. Say which is the arithmetic mean and what is the geometric mean

Algebra
The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...

College Algebra
The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...

Statistic
For 3 and 4 find the range, variance, and standard deviation. Round to the nearest tenth. 3. Twelve students were given an arithmetic test and the times (in minutes) to complete it were 10, 9, 12, 11, 8, 15, 9, 7, 8, 6, 12, 10 4. The normal daily temperatures (in degrees ...

Math
If 5+x, 8, and 1+2x are consecutive terms in an arithmetic sequence, find x.

Math
Find the sum of the arithmetic series -12-9-6-...39.

math
The simple formula for the nth term of an arithmetic sequence is an = 6n + 14. What is the explicit formula corresponding to the simple formula?

arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...

Math
Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2....

arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...

math
The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?

Algebra
Determine whether each sequence is arithmetic or geometric. Find the next three items. 1. 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.

Math, Please Help
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...

Algebra
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...

Math
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...

Math
Is the following sequence a arithmetic,geometric or neither? 1.6, .8, .4, .2 my answer is geometric

Algebra 2
Select the first five terms in the arithmetic sequence an=8n, starting with n=1

Math
Identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2 . . .

Precalculus
1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the function f(x) = ax^3 -3x...

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 ...

Trig
What is the sum of the arithmetic series where n=50 , t1=9 and t2=331

Trig
What is the sum of the arithmetic series where n=100 , t1=7 and t2=205

Trig
Find the 20th term of an arithmetic sequence with a=1 and d=1/2

Trig
Find the 6th term of the arithmetic sequence with a9=120 and a14=195

maths
1.hw many 3 digit nos are divisible by 7? 2.wat is d sum of product and quotient of 8 & 8? 3.if d average(arithmetic mean)of 25,31 and x is 3.value of x?

Math
1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A.The sequence is geometric because it decreases by a factor of 6. B.The sequence is arithmetic because it decreases by a factor of 6 C.The sequence is geometric because it decreases by a factor of 1/18...

Algebra1
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.

Math question
Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2

math
Find the number of term s in the following arithmetic sequence. 3, 9, 15, 21... 123

arithmetic
a car traveled a distance of 195 miles in 3 hours 15 minutes what is the unit rate ? oris it answer 60 miles per hour

math
identify the sequence 1.6, .8, .4, .2 as arithmetic, geometric, or neither and why.

algebra 2
what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5

arithmetic
Ana sees a computer that costs $1600. The store manager says next week will be on sale $350 less. What percent will Ana save

PRE CALC
The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??

arithmetic
Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.

Statistics
For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...

Statistics
For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...

Statistics
A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic mean price per share...

Statistics
The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 11.0 inches, and the standard deviation is 2.0 inches. About 68 percent of the outside diameters lie between what two amounts? 8....

Economics and Statistics
A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic mean price per share...

Calculus
Posted by MG on Wednesday, March 26, 2014 at 6:54pm. The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the hands is changing at ...

Maths
4x+1,2x+4 and x+3 are first three terms of arithmetic sequence determine the value of x

Business & Economics
For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719; 11,154; 15,121. What is the annual arithmetic mean number of degrees awarded? About 12,240 ...

arithmetic
An investment of $2,000 is earning interest at the rate of 6.2% compounded quarterly over 5 years. Approximately how much interest is earned on the investment?

Algebra ll
Help please, I don't understand how to do this... Give an example of an arithmetic sequence that is found in the real world. Find the common difference and write a recursive and iterative rule for the sequence. Use one of the rules to find another term of the sequence. Then ...

arithmetic
if you 99 lines on a piece of paper so that no two lines are pallarel to each other and no three lines pass through the same point,how many times will they will intersect?

mathematics
MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms

math
In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.

mathematis
consider the arithmetic sequence:-4;-1;2;5...if the nth term of the sequence is 74 determine the value of n

arithmetic
The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?

Math.G.P
The 1st term of a G.P is equal to x-2,the 3rd term is x+6 and the arithmetic mean of the 1st and 3rd terms stands in the ratio to the 2nd 5:3.find the value of x.

math
Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1

math
the fourth term of an arithmetic progression is equal to 3 times the first term and the seventh term exceeds twice the third term by 1 find the first term and the common differrence

Math
The sum of the first n terms of an arithmetic series is given by: Sn=5/2n^2 + 7/2n. Determine: 3.2.1 The common difference. 3.2.2 The tenth term

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.

Maths
if the 29th term of arithmetic series is double of 19th term then find the 9th term.

Algebra 1
Tell whether the sequence is arithmetic. If it is, what is the common difference? -12, -7, -2, 3,… (1 point)

Math
Two terms of an arithmetic sequence are t6=-3 and t11=-13. What is t20?

calculus
i need to find the derivative using chain rule: (x^2 + 2x - 6)^2 (1-x^3)^2 i got the answer from a site but the problem is i cannot get my work to match up with the answer, i don't know what im doing wrong. answer: 10x^9 + 36x^8 − 64x^7 − 182x^6 + 168x^5 + 80x^4 + ...

arithmetic sequences
a new car cost $13,000 and is depreciating by $900 each year. how much will the car cost be worth after 4 years?

arithmetic sequences
a tube containing 3 ounces of toothpaste is being used at at rate of 0.15 ounces per day. how much toothpaste will be in the tube after one week?

arithmetic sequences
jessie is playing an arcade game that costs 50cents for the first game and 25cents to continue if she loses. how much will she spend on the game if she continues 9 times?

Maths
If 9th term of an arithmetic progression is 0, prove that its 29th term is double the 19th term.

Math
Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a function rule to represent it. 15. 128, 64, 32, 16... 16. 3, 3.25, 3.5, 3.75..

math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.

math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.

Math
A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18 months? Show your work.

math
i need help on properties of arithmetic

algebra
the third term of an arithmetic sequence is 14 and the ninth term is -1. Find the first four terms of the sequence

Mathematics
The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms

Precal
Find x such that -8 x - 3, 3 x - 1, and 2 x + 49 are consecutive terms of an arithmetic sequence. x=?

Math
Tell whether the sequence is arithmetic. If it is, write a function rule to represent it. 0.2, -0.6, -1.4, -2.2 This is an arithmetic sequence, but I do not understand the function rule of A(n) = 0.2 - 0.8(n-1), which is the given answer.

Math help please
1. Each time a touchdown is scored in a football game, 6 points are added to the score of the scoring team. A team already has 12 points. What rule represents the number of points as an arithmetic sequence when n is the number of touchdowns scored? A(n) = 12 + 6n A(n)12 - (n...

math
What is the 32nd term of the arithmetic sequence where a1 = -32 and a9 = -120?

physics
Suppose a ball of putty moving horizontally with 1kg.m/s of momentum collides and sticks to an identical ball of puffy moving vertically with 1 kg.m/s of momentum. Why is their combined momentum not simply the arithmetic sum, 2 kg.m/s?

Math-Trigonometry
Show that if x, y, and z are consecutive terms of an arithmetic sequence, and tan y is defined, then (sin x + sin y + sin z) / (cos x + cos y + cos z) = tan y. So I tried letting x = y-k (since x,y,z are consecutive terms of an arithmetic sequence), then z= y+k So we get (sin(...

math
Find the 7th term of arithmetic progression...12,20,28.

arithmetic
If 48 marbles are to be divided between Bill and Carl in the ration 3:5, how many marbles will Bill get?

math
The terms 4x + 36, 2x - 6, and 3x - 27 are consecutive terms in an arithmetic sequence. What is the value of x ?

arithmetic
round .44857 to the nearest hundreths?

arithmetic
5. Assume that if students buy more than $250 of art supplies in one visit, they may put the charge on a student account with terms of 2/10 EOM. If a student makes the purchase on September 16, on what day does the 2% discount expire? If the purchase is made on September 26, ...

Geometry
Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...

arithmetic
How do you solve this for h? A=1/2(b1 plus b2)?

Math
how many terms of the arithmetic sequence -5,-1,3,… must be added to reach the sum of 400

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