# 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

145,873 results, page 75

1. ### calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity,Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a continuous function of ...
2. ### Math

The difference between two numbers is 33. If three times the larger number is subtracted from six times the smaller number the difference is 18. Find the smaller number. 6n-3(n+33)=18 <--- equation answer: n= 39 <--- the smaller number!!
3. ### algebra

Please can someone help me with these? factoring 2x^2+5x-3 and 3x^2-15x+12 Thanks in advance!!! well rose. you nedd to distrubte the first one or find the gcf but there anit one, the second one do the same thing. for further questions just ask. How can I do the same thing when...
4. ### Maths- Probabilty

1. From a bag containing 5 gold and 3 red marbles that feel identical, one is drawn at random. If the first marble drawn is not replaced before the second is drawn: i) Explain why the probability of picking the second gold marble is 4/7 and why the probability of picking two ...
5. ### math

In asheville north carolina in August the temperature is an even number less than 40 that has the same number of tens and ones Answer: Could it be 22 4 tens and 0 ones = 4 2 tens and 2 ones = 4
6. ### 8th grade math

Mr. Rosart selects two students from his class to present their book reports. He places the names of each student in a box and randomly picks one at a time. The class has 14 boys and 12 girls. What is the probability that the second name Mr. Rosart picks is a boy, if the first...
7. ### chemistry

What two conditions necessary for molecules to be polar? Her's my answer pls check. First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are bonded...
8. ### math

In a contest the prizes were to be \$100 for the first place, \$50 for second and \$20 for the third. Instead, there was 2-way tie for the first place and one third place. If each first prize is twice the value of the third place award, how much did each first place prize winner ...
9. ### Math

The HCF and LCM of two numbers are 8 and 504 respectively one of the numbers is 72 find the other number
10. ### Chemsitry II

mole fraction is equal to partial pressure divided by the total pressure Total pressure= sum of partial pressure use PV=nRT where n= number of moles equation become PV/RT=n make sure to convert the temperature to Kelvin and to use 0.0821 for R. V=volume, P=total pressure The ...
11. ### Algebra

At an ordinary rate, a man can row the distance from A to B, about 15 km, in 5 hours less time than it takes him to return. Could he double his rate, his time to B would only be one hour less than his time to A. What is his usual rate in still water? What is the rate of the ...
12. ### algebra

In a high school basketball game, a player on the home team makes two free throws. One student asks the student next to her what he thinks the probability of hitting two free throws in a row is. The student replies, "The probability of him making a free throw is probably about...
13. ### Calculus

If 6 J of work is needed to stretch a spring from 10cm to 12 cm and another 10 J is needed to stretch it from 12 cm to 14cm, what is the natural length of the spring? This is a physics problem as much as a calculus one. Solve for the spring constant k first, then determine ...
14. ### social studies

two primary resources we can use to understand the culture of canada's first nations and inuit before the arrival of the first explorers.
15. ### Calculus

The problem with these two questions is that I cannot determine the a and r. The 3rd question-I don't know what I did wrong. Thanks for the help! Tell whether the series converges or diverges. If it converges, give its sum. infinity (sigma) sin^n (pi/4 + n pi) n=0 answer: ...
16. ### Algebra

a basketball player scored 17 timea during one game. He scored a total of 21 pts,two for each two-pt shot and one for each free throw. How many two-pt shots did he make? How many free throws?
17. ### Gr. 12 Data Management

In playing poker, the likelihood of being dealt a particular hand depends on the number of ways in which that hand could have been dealt from the 52-card deck. Find the number of ways each hand could be dealt. One pair (two cards of one face value and three cards of different ...
18. ### programming and visual basic

These are two different types of questions, these are not the same questions The Some interest Credit Company provides loans to customers at 1.5 percent interest per month. Design an application that gets customer account data that includes an account number, customer name, ...
19. ### math

a basketball player scored 17 timea during one game. He scored a total of 28 pts,two for each two-pt shot and one for each free throw. How many two-pt shots did he make? How many free throws? How many two-pt shots did he make? simplify
20. ### math

the number of tickets sold each day for an upcoming performance is given by N(x)=-0.5x^2+13x+15 where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day? Ticket sales peak ___ days after ...
21. ### math

need help Tweleve is sixteen less than four times a number.
22. ### math

write the algebric expression using x as the variable 7 less than a number
23. ### Math

Explain how you could show five less than a number using an expression?
24. ### math

Explain how you could show five less than a number using an expression.
25. ### math

Explain how you can show five less than a number using an expression
26. ### math

I am greater than 15 and less than 40. If you double me, I become a number that ends in 0. 1/5 of me is equal to 5
27. ### math

explain how you could show five less than a number using an expression
28. ### math

explain how you could show five less than a number using an expression
29. ### math

explain who you could show five less than a number using an expression
30. ### algebra

explain how you could show five less than a number using an expression
31. ### Math

explain how you could show five less than a number using an expression?
32. ### algebra

explain how to show five is less than a number using an expression
33. ### math

explain how you could show five less than a number using an expresson
34. ### math

Explain how you could show five less than a number using an expression?
35. ### math

i am greather then 15 and less then 40. If you double me,i become a number that ends in 0. 1\5 of me is equal to 5 what am i?
36. ### math

i am greater than 15 and less than 40.if you double me, i become a number that ends in 0.1/5 of me is equal to 5.
37. ### math

Explain how you could show five less than a number using an expression
38. ### Math

Explain how you could show five less than a number using an expression.
39. ### math

five less than three times a number is forty-six
40. ### What am I

I am more than 15. I am less than 50.i am an odd number. I am multiple of5 my digits add up to 7. What am I
41. ### pcm

For how many pairs of positive integers n and k with n and k less than or equal to 20, is the number (2n)!(2k)!n!k!(n+k)! an integer?
42. ### algebra

For how many pairs of positive integers n and k with n and k less than or equal to 20, is the number (2n)!(2k)!n!k!(n+k)! an integer?
43. ### Math

I am more than 300, but less than 400 . My digits add up to 12 . What number am I?
44. ### 4th grade math

5 less than three times the number of chipmunks
45. ### Algebra

What is the algebraic expression for the word phrase 8 less than the product of 12 and a number x.
46. ### Math 221

find the probability of the event rolling a number less than 6
47. ### math

5 less than three times the number of chipmunks. We got 3x-5 but weren't sure.
48. ### Math

write in expression that represents four less than half a number, n
49. ### Math

Explain how you could show five less than a number using an expression
50. ### Algebra

Nine less than a number is fifteen create and and solve the equation
51. ### Algebra 1

What would be the answer to: 786 represented 32 less than 2 times a number.
52. ### Algebra

Write the sentence as an inequality. Four times a number w is less than 20.
53. ### English

At last the magpie heard this just as she was putting a twig across. So she said: "One's enough." But the turtle-dove kept on saying: "Take two, Taffy, take two-o-o-o." Then the magpie got angry and said: "One's enough I tell you." Still the turtle-dove cried: "Take two, Taffy...
54. ### Physics Urgent!!!!!

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by ...
55. ### Pre-Calc

Please check my answers;This are polar coordinates we're studying-I'm almost positive the first two are correct. 1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((-3,0 degree) 2.Which is not a representation of (...
56. ### Geometry

I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other post to the base of ...
57. ### ALGEBRA 1!!!! PLS HELP!!!!

find four consecutive even integers such that if the sum of the first and third is multiplied by 3 the result is 44 more than 4 times fourth
58. ### Math Reiny question

This is the problem you helped me with. I was curious, do I write the solution set as (1 + i3ã3)/2, (1-i3ã3)/2 change it to the standard form first x^2 - x + 7 = 0 a=1, b=-1, c = 7 x = (1 } ã(1 - 4(1)(7))/2 = (1 } ã-27)/2 Your answer is an imaginary number or ...
59. ### Math clarification Reiny

This is the problem you helped me with. I was curious, do I write the solution set as (1 + i3ã3)/2, (1-i3ã3)/2 change it to the standard form first x^2 - x + 7 = 0 a=1, b=-1, c = 7 x = (1 } ã(1 - 4(1)(7))/2 = (1 } ã-27)/2 Your answer is an imaginary number or ...
60. ### Science

Imagine Two Artificial Satellites Orbiting Earth At The Same Distance. One Satellite Has A Greater Mass Than The Other One? Which Of The Following Would Be True About Their Motion? A.The satellite with the greater mass is being pulled toward Earth w/ less of a force than the ...
61. ### math

the quotient of two numbers is 8. the sum of the same numbers is 72. what are thr two numbers?
62. ### math

The difference between two numbers is 36. The sum of these two numbers is 62. Find the numbers.
63. ### math

one of the equal sides of an isoceles triangle is 3m less than twice its base. The perimeter is 44m. Find the length of the sides. The teacher gave us the answer of 17m for the two sides and 10 for the base. What formula did he use to find this.
64. ### Algebra

If the area & circumference had the same number value what is the diameter of the circle? A fraction i equivalent to 2/3. if 5 is added to the numerator than the fraction is 5/6. What was the original fraction? If y is four less than the square root of x, find x. The ratio of ...
65. ### MATH

Sketch the graph of a quadratic function for which the related quadratic equation has only one solution. Then, sketch one that has two solutions. Explain how you know by looking at the graph the number of solutions there are.
66. ### math

Sketch the graph of a quadratic function for which the related quadratic equation has only one solution. Then, sketch one that has two solutions. Explain how you know by looking at the graph the number of solutions there are.
67. ### geometry

I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior angles,one at each vertex,...
68. ### algebra

A student opens a mathematics book to two facing pages. The product of the page number is 2352. Find the page numbers. The first page is__________ The secnd page is__________
69. ### Statistics

Having trouble with these four questions: 1. Given the rules of the different games of chance described in the sheet you downloaded, think about your odds of winning in each of these three scenarios: A. Craps: Either roll or a 7 or 11 on the first roll, OR match the point ...
70. ### math

6. A lottery offers two options for the prize. Option A: \$1000 a week for life Option B: \$ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects to live for another ...
71. ### physics

A 8.5 kg steel ball, travelling left to right at 12 m/s, undergoes an elastic collision with a 5 kg steel ball at rest. To the nearest Joule, what is the Total Kinetic Energy of the two balls after collision? ------- If the first ball in the question above has a mass of 10 kg ...
72. ### Chemistry

Ytterbium, atomic number 70, is the first element in the Periodic table to have the first four shells full. a) State the number of electrons in the fourth shell/ level of ytterbium (1) b)How many orbitals are there in the third shell of ytterbium? (1) Please help I'm very ...
73. ### Chemistry

Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms. b) two nitrogen atoms for every four oxygen atoms. c) one silicon atom for every two oxygen atoms. d) one zinc atom for every two chlorine atoms
74. ### Chemistry

Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms. b) two nitrogen atoms for every four oxygen atoms. c) one silicon atom for every two oxygen atoms. d) one zinc atom for every two chlorine atoms
75. ### English

I really need help with my writing. I need some to proof read a paper that I wrote. Two Career Families versus One Career Families Back in the early days the traditional working family was a one career family. The roles of husband and wife were defined and everyone did as they...
76. ### Algebra

Can you please help on this Algebra problem? Keana's piggy bank contains \$4.30 in nickels and dimes only. If she has 59 coins in her ban, then what is the sum of the digits in the number of nickels in Keana's bank? Write a system of equations for this situation and find its ...
77. ### Math

1.You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes experimental; the result is found by repeating an experiment ...

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by ...

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by ...
80. ### Medical Coding 1

Please help me with these questions to see if I'm right or close 1. Which of the following ICD-9-CM code groups is used to report the infant status after delivery of a birth event? A. V27.0–V27.9 B. V26.0–V26.9 C. V29.0–V29.9 D. V28.0–V28.9 I thought it should be: A 2...
81. ### jay kay public

Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??
82. ### sum geometric series

what is the sum of geometric infinite series 3/2+ 9/16+ 27/128+ 81/1024=.... i know the formula is S=a/(1-r) my teacher, he usually transforms into a formula of the sum series and finds out a and r.but i don't how to do that. the pattern i saw is 3/2 + 3^2/2^4 + 3^3/2^7+ 3^4/2...
83. ### chemistry

the mass number is used to calculate the number of-----------in one atom of an element. in order to calculate the number of neutrons you must subtract the ------from the-----------
84. ### algebra

One number is four times another. The larger number is also 87 more than the smaller. Find the numbers. Choices for smaller number: 29,30,33
85. ### math

One number is 5 more than another number. Four times the larger number plus 3 times the smaller is 97. find the numbers. Show your work.
86. ### Math

One number exceeds another by 12 . if five times the smaller number is subtracted from three times the larger number the result is 20. Find the numbers
87. ### STATISTIC

Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which deal is closer to the ...
88. ### chemistry

consider the following changes at constant temperature & pressure H2O(s) --yields-- H20(l); Delta H1 H2O(l) --yields-- H2O(g); Delta H2 H2O(g) --yields-- H2O(s); Delta H3 Using Hess's law, the sum of the deltas is a. equal to 0 b. sometimes greater than zero, sometimes less ...
89. ### math

Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Find the number of different ways that five of these could be hired. One accounting major, one economics major, and one marketing major ...
90. ### Math HELPP!!

Eric Drew and up to's triangle. Which of the following could be true for Eric's triangle. A: all three angles have equal measures B: possible angle measures of the triangle are 92, 48, and 40•• C: two of the angles are equal, and the third angle has a measure of 70. D: One...
91. ### arithmetic

If the sum is 220 and the first term is 10, find the common difference if the last term is 30
92. ### Math

If m th tern of the geometric sequence is 1/n and n th term is 1/m then show that sum of first term s(mn)=1/2 (mn+1).
93. ### Pre Algebra

Paula sold 35 packages of wrapping paper for this year’s Booster Club fundraiser. This is one less than twice the number of packages that she sold last year. How many packages did Paula sell last year? Please help...
94. ### Algebra probability

Helena has a set of number cards numbered 1 through 10. If Helena randomly draws two cards from the deck, what is the probability that she will draw an odd number and then a two? The answer i had was 1/18, but its not on there, so i need help and im confused.
95. ### Algebra ASAP

I a working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. Wal-Mart has a plan for \$30.00 a month with .29 per minute. It includes a \$70.00 phone with a rebate ...
96. ### math

A 24-inch piece of string is cut into two pieces. One piece is used to form a circle and the other is used to form a square. How should the string be cut so that the sum of the areas is a minimum?
97. ### math

Two rectangular garden plots with an area of 60 square feet have distinct integer dimensions. The difference in the dimensions of one plot is the same as the sum of the dimensions of the other plot. what are the dimensions of the 2 garden plots?
98. ### Math

I have a question that I answered and I'm not sure that it is right. Here is my question: Use a calculator to help you write the prime factorization of 51,051. Here is my answer: If the sum of the digits of the number is divisible by 3, then 3 is a factor of the number. ...
99. ### math

Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
100. ### ALGEBRA 1

Please check for me.Without drawing the graph of the given equation determine (a)how many x-intercepts the parabola has (b)whether it vertex lies above, below or on the axis. 1. y=x^2-5x+6 I use the determinant sqrt b^2 -4ac (-5)^2-4(1)(6))=1 There are two real numbers The ...