I am a 3-digit number. My first digit is thrice my last digit. The sum of my last two digit is one less than my last digit

41,404 results, page 72

1. Math

How can Steve add 48+34 by making a ten what is the sum
2. Math

Translate two thirds of the sum of r and 9 plus the product of 8and s
3. a.p.

find the sum of n arithmetic means between x and 3x. (answer 2nx)
4. Trig

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

divide the sum of 65/12and12/7by their difference.
6. trig

write sin4xcos2 as the sum or difference of two functions.
7. Algebra

Two numbers whose sum is 30 and product is 8800? How do I find that?

Estimate a range for each sum example 7.42+13.97+101.2
9. maths

Find the sum and product of the roots of the following equation. x^2 - 4x + 1 = 0

Write the sum of the two vectors as an ordered pair. (6,-5) and (3,3) A. (-,-2) B. (6,1) C. (1,6) D. (-2,9)
11. Math

The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.
12. math

Find the sum of the following series up to 9th term: 2√3+9÷√3+12÷√3+....
13. Math

find the sum of the numbers from 1 to 200 inclusive
14. maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
15. math

find 3 consecutive integers such that the sum of the twice the first and the third is 748.
16. algebra

(5t-6c+4)+(-8t+9c) find the sum and express it in simplest form
17. math

what does my homework mean if it says find the range to estimate each sum
18. Further math

If the sum of the first n terms of the series 4 + 7 + 10 + ... is 209, find n.

identify a value of x for which sum of 3+x is positive
20. math

If the sum of n terms of the series 4+7+10+... is 209, find n

If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?
22. math

Find three even consecutive integers such that the sum of the first two exceeds the third by 16.
23. maths

Calculate S20 if the sum of the squares of the first integers is given by Sn=n(n-1)(2n+1)/6
24. math

without adding, how do you know that the sum of 36.179 and 8.63 will have a 9 in the thousandths place?
25. Math

When I am rounded to the nearest ten, I am 50. The sum of my digits is 13. Who am I?
26. Math

How do I write the equation for this: sum of ten and nineteen
27. math

choose all the expressions with a sum greater than 10. 5.3 + 4.99 6.12 + 3.09 2.08 + 7.9 4.8 + 5.9 3.46 + 6.009
28. HSM/220

How do I increase a fixed sum by 50% properly?
29. Algebra

Subtract (5x²-6x+4) from the sum of (-3x²+3x+1) and 2x²-5x+7)
30. Algebra 1

Which sum of difference is equivalent to the following expression? 2x + 3 ______ 4 a.) x/2 + 3/4 b.) x/2 - 3/4 c.) 3x/4 + 3/4 d.) 8x + 24 I think it's either a or d, please help me.
31. math

Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104
32. English

What part of speech is "cogito, ergo sum"
33. rutgers

how do you get a standard deviation of 1.04563 when the sum of x=238, n=25 and the mean is 9.52
34. math

Find two consecutive odd integers whose sum is 56.
35. math

Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!
36. Math

Find three consecutive even integers whose sum is 252

Find two numbers whose sum is 42 and whose product will be at the largest possible.
38. math algebra

what are 4 consecutive integers whos sum is -2
39. Math

Add express each sum in simplest form 1 1/4 + 2 2/5
40. Math

How you solve this in inequality form? Six less than or equal to the sum of 4 and -2x.
41. Math

Use a sum formula to show that cos(2u)=2sinucosu
42. math

find two numbers whose product is N^2 and whose sum is a minimum
43. math

choose all the expressions with a sum greater than 10. 5.3 + 4.99? 6.12 + 3.09 2.08 + 7.9 4.8 + 5.9 3.46 + 6.009
44. Physics

Find the sum of vectors A=5m<60degree and B=6m<130degree
45. calculus

Find the sum of the series: 10 + 14 + 18 + 22 +...+138 and 6-12+24-48+96-...+1536
46. 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
47. math

show how you can make a ten to find the sum 9+7=
48. Math

show the make -a- ten fact you used with sum?
49. Algebra 2

What would happen to the sum of a geometric series if the ratio was 1?

estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
51. math

Sum of 2 numbers is 1 and their product is 1/8. Find their difference.
52. maths

find all possible pairs of two natural no whose sum is 77 and their gcd is 7
53. Math

Can the sum of two mixed numbers be equal to 2? Explain why or why not.
54. math

What is the angle sum of a regular polygon with 7 sides
55. algebra - theory of numbers

Sum of divisors ofN
56. Statistics

If two dice are rolled, what is the probability that the sum of the numbers is at least 8?
57. arithmetic

The sum to t of an Arithmatic Sequence is 1/2 t(5t-1).Determine the k term
58. Math

add t and m. how much greater than w is the sum?
60. Math

Is the sum of 425 and 390 less than or greater than 800. How do you know?
61. Maths,

A certain is to be shared among three brothers ,one of them gets 2/5 of it,another gets 1/4 of it and the third one gets #2.10k. How much is the sum of money?
62. trig

find the sum of all integers n from 300 to 400.
63. Calculus

Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.
64. english

the sum of many parts that starts with a c and eands with an o and has an L in the middle
65. Calculus

Show that the sum of the series ∑n(p^n) from n=1 to infinity (where 0<p<1) is S=p/(1-p)^2
66. math

Estimate then find the sum of 94903+49995
67. Math

What is the sum of all prime numbers less than 500 with only 3s and 4s as digits
68. maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
69. Math

what is the sum of the solutions of the equation |2x-7|=11? A) -9 B) -7 C) 5 D) 7 E) 9 ***What is the most efficient way to solve this?

How do i find the sum and simplest form of 1-8/9.
71. geometry

the sum of a polygon with(2n-3) sides is 62 righht angles
72. Match

Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!
73. algebra

How do I find out the sum of the first 38 terms of the sequence using 4,8,2,6,2,4,8,2,6,2... I am confused.
74. mathematics

how many terms in the series 18-16-13-....must be added to give a sum of 44?
75. math

Find the sum of 2 1/2 and 3 1/3 B) Subtract your answer in part (A) from 9
76. a.p.

the sum of n terms of an A.P. is 3n^2+2n, then find its n th term. answer-we know that tn=s(n)-s(n-1) =(3n^2+2n)-[3(n-1)^2+2(n-1)] =(3n^2+2n)-[3n^2-6n+3+2n-2] =3n^2+2n-[3n^2-6n+2n+3-2] =3n^2+2n-(3n^2-4n+1] =3n^2+2n-3n^2+4n-1 =6n-1 ans
77. SCIENCE

HOW MANY TERMS OF GP 1,2,4,8..... GIVE A SUM GREATER THAN 500.
78. math

express the sum of difference in simplest form 1-1/6-11/18=
79. Math

use rounding or compatible numbers to estimate the sum 5 x 2 3/5
80. maths-urgently

let y = 3x+ 10 - x^2, where x and y are positive whole no. find sum of all possible values of y.

82. Math

7 is subtracted from the quotient of 48 divided by sum of 5 and difference of 11 and 8
83. math

find the sum of each arithmetic series (a)5+8+11+....to 20 terms
84. Algebra

Is it possible to factor a sum of two squares by using real numbers?
85. math

Find the sum of the first 15 terms of the geometric sequence. ∞ Σ 3n − 1 n = 1
86. MONGU COLLEGE

1.Determine the sum of infinity of the series 4,2,1
87. Algebra 2

5+(-5/2)+(5/4) Sn=189 Find n for the given sum if the geometric series
88. Math

If (3-x)+(6)+(7+5x) is a G.P.Find two possible values for x,common ratio,sum of the g.p.
89. math

Find two different sets of factors of 72 where: a. sum of 18 b difference of 21
90. Math

When rolling two dice, what is the probability that the sum is 7 given that one die is a 5?
91. Polynomials

can someone show me how to do the sum, difference and product for this problem

find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/
93. Math

The sum of two decimals is 100. Their difference is 18.50. What are the numbers?
94. maths

find the sum of the first 12th terms of the sequence 8, 5, 2 ......
95. math - analytic geometry

the sum of the distances of p(x,y) from (0 -3) and (0 3) is equal to 10.
96. maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.f is 7
97. Math

Find the sum of a geometric series for which a1=1,r=2,and n=6. Sn=a1(1-r^n)/1-r S6=1(1-2^6)/1-2 S6=1(1-64)/1-2 S6=63/1 63 (answer)
98. ICT

write an algorithm to find the sum of two numbers
99. algebra

The sum of three consecutive even integers is 54. What is the middle integer .
100. math

What would the expression be if the problem was "the sum of four consecutive numbers." ?