# dwrls,math

141,167 results, page 17
1. ## Math

math forms for construction are made of cement like the one shown. this one has a hollow cylindrical center. what is the total volume of the form? use 3.14 as an approximation for pi. round answer to nearest tenth. Diameter for cylinder is 0.5 ft Width for
2. ## math

4 numbers are placed in a bag. two are removed and total 2.4. The numbers are returned to the bag and the process is repeated 4 more times. The totals are 2.4 2.5 2.6 2.7 and 2.8. What are the 4 numbers in the bag? please let me know how you arrived at the
3. ## MATH

Suppose 10,000 is invested at 6 percent.how much additional money must be invested at 8 percent to produce a yield on the entire amount invested of 7.2 percent. ( Please show each and every steps of this math with the rough works) THANK YOU SO MUCH.
4. ## English

1. There are a house , trees and a shining sun in the first picture. 2. There is an English textbook in Picture 2. Do you like English. English is fun, isn't it? 3. There are two boys. What are they doing? They are playing with a ball in the sea. 4. A math
5. ## Math Help

This is a substitution equation. Would that change the steps that you did? Y=3x+1 Y=5x-3 Answer says x=-2 and y=7 Please explain steps. Thanks math help - MathMate, Monday, April 23, 2012 at 10:25pm Y=3x+1 ...(1) Y=5x-3 ...(2) By comparison of (1) and (2),
6. ## MATH Introduction to Math Skills and Strategies

Petra bought gasoline when the odometer read 15,345.4. After the next filling, the odometer read 15665.6. It took 13.4 gal to fill the tank. a) How many miles did she drive? b) How many miles per gallon (mpg) did the car get?
7. ## Math

Can someone check my answers for a couple questions in my test I can't get help because my dad isnt here and my mom can't do math. 3.Write the ratio as a percent In the seventh Grade class, 19/25 students voted in favor of having a class picnic. A.76% --
8. ## math

can somebody help me with this math problem? I don't understand what i'm supposed to do, so a few links to tutorials or an explanation would be really helpful! "sam recorded how many pounds he gained each month for four months and recorded the results as

Anna mixes the letters S, E, L, E, C, T, E and D thoroughly, without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will not be the letter mary selects A 3/8 0.375 37.5% B 8/5 1.6 16% C 5/8
10. ## Math repost for Justin

Math - justin, Wednesday, October 10, 2007 at 9:04pm what is the answer to the dot thing were you have three rows of there dots and you have to connect them all with four straight lines and no diagnals plez write back befor october 13 2007
11. ## being a math tutor

Right now in my geometry class, I have an A+, but friend is failing that class. I offered to be her math tutor, to possibly meet in the library after school 3 days a week. Does anybody have any ideas on how to make our study sessions more productive (I
12. ## Math/solving two-step equatios(distributive proper

Good morning! I am trying to help my nephew who because of seizures when he was younger has a hard time understanding math. I need step-by-step (written in words) on how to do two-step equations (distributive properties). 3(c+5)=12. 5(4d+8)=40. -(2k-11)=7.
13. ## math

Good 1 Steve so I sux at math but your here :) Heres another: X = [students playing football], Y = [students playing baseball], and Z = [students playing rugby]. Draw a Venn diagram of Z – (X U Y), and write a sentence describing what the set represents:
14. ## math

There are 28 students in Ms. Rainbow's Math class. The number of girls is 10 less than the number of boys. If there are b boys in the class, write an equation to correctly model the situation.
15. ## 3 rd math

no i'm not try to cheat. i just want to understand how do you round the #132 to the nearest million . if 2 in million place should i round up or keep it same value. i just want to able to understand . on my kids math practic only . it's not an actual
16. ## Math

The math question is "in a piggy bank there is a total of \$15.75. If the ratio of dimes to quarters is 5:7, find the total amount in quarters. My question is, what formula would I use to solve this?
17. ## Grade 12 Data Management math

I'm doing math through correspondence so material is not explained very well. I would appreciate if someone could explain this to me. This lesson is review of set theory and first degree equations. Indicate whether each of the following statements is true
18. ## Math (7th grade math)

A real estate agent earns a weekly salary of \$200. This week, the agent sold a home for \$120,000 and was paid a 5.5% commission. Find the agent’s earnings for the week. A) \$661.10 B) \$6,611 C) \$6,800 D) \$860
19. ## Math

A man is in a tree house 7ft above the ground. He is looking at the top of another tree that is 24ft tall. The bases of the trees are 40ft apart. What is the angle of elevation from the mans feet to the top of the tree? Round to the nearest degree. 23 31
20. ## Math

Math.. find limit help? Find the given limit. (x→ 1)lim: (square root x-1) + 1
21. ## math

How do I make a math factor tree using the number 115 and make it look like a tree for real?
22. ## math 163(discrete math)

how many different functions are there from a set with 10 elements to a set with the following numbers of elements: a)2 b)3 c)4 d)5
23. ## math work sheet

I do not get my math !!!!!!! I mean when it says like a number equals blank percent of a number 13 equals % of 16 what do i do
24. ## algebra/common math

how do I solve this? I know it's common math, but I cannot remember how! -4x> 1/11 I think I multiply both sides by 11, but..... I can't remember how!
25. ## math

what is the effective rate formula? There are numerous effective rate formulas in math. You will need to be more specific.
26. ## math

what if there is no common denomintor, or is there a such thing as no common denomintor, this is 5th grade math.plz help
27. ## Math

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.
28. ## Math

In a row of 15 mugs three are blue and the rest are red what fraction of the mugs are blue in math
29. ## math

Math out of box 1 2 3 4 5 this is called steps(s) 5 9 13 17 21 this is called tiles(t) we know you are adding 4, but what is the rule such as (S X S + 4-1-5)I know its not right so help then right the rule for this.
30. ## Math

There are 30 sultry dents in the class. 20% of the students received an A on the last math test. How many students received an A?
31. ## exponential functions in math

my daughter needs some help studying for a unit test using exponential functions in math
32. ## Math

Five students took a math test. The average score was 82. Four of the students' scores were 76, 85, 90, and 64. What was the fifth student's score?
33. ## f math

please what is the answer to this f math question......1-cos^2X=0 for 0°less dan equals X..then X less dan equals 270
34. ## Math

Im working on a math question and the answer is 2hr and 24min. I am getting 2.4 with my calculations how do i take 2.4 and get 2hr and 24min.???
35. ## Math

First student bought art, math and history books for \$72. a+m+h=72 Second student bought art, chemistry and history books for \$80. a+c+h=80 Third student bought chemistry, math and history books for \$61. c+m+h=61 Fourth student bought art, math and
36. ## math test

ok this past week i was sick 4 2 days and i need 2 finish this math test by today!!!! and i didn't get 2 learn anything like u know, not practive soo plz anwser these questions: 1.what is a concave polygon 2.what are concentric cicles? 3. what does this
37. ## Math

If Ms. Herbert gives her class a English quiz every 6 days any math quiz every 10 days when is the first day there will be a math and English quiz on the same day
38. ## math

I need someone to help explain how this math problem works. I am not sure how to convert this fraction below to arrive at 100.8 degress. 7/25 .360 degrees=100.8 degrees How did this answer of 100.8 degrees come about in this equation?
39. ## 6th grade math

on a farm there is 18 pigs and chickens (all together). There are 52 legs, how many pigs and how many chickens are there? Show how you got your answer. i know there are 10 chickens and 8 pigs, but i did that through trial and error, can you help me figure
40. ## math

on a tv game show, the contestant is asked to select a door and then is rewrded with the prize behind the door selected. if the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a
41. ## Math

Yep, another math question! The slope of a line passing through H ( -2, 5) is -3/4, which ordered pair represents a point on the line? A: (6, -1) B:(2, 8) C: (-5, 1) D:(1, 1) No graph was with the question btw. I tried making a coordinate plane myself and
42. ## math

Dr needs 500 needles priced at 2.60 per hundred. If he pays within 10 days, she receives a 2% discount, sales tax 5.5%. What amount would you pay with the discount? My math 2.60 x 500 needles = \$13.00 \$13.00 x 5.5% = 72cents 13.00 + .72 = \$13.72 \$13.72 -
43. ## SAT Math?

I'm working on a couple of SAT math programs for school, and I have trouble figuring some out. 1. Joe is 3 years younger than Kate. If n represents Nora's age now, what was Kevin's age 4 years ago, in terms of n? A. N + 7 B. N + 1 C. N - 1 D. N - 4 E. N -
44. ## 4th grade math

I too am trying to help my son with his math homework. Problem is: at a Pokemon Tournament there are 6 players. Each player counted his cards at the beginning: These are the landmarks for the group: Minimum: 8, Maximum: 16, Moes: 13, Median: 14. Lisrt the
45. ## math

How do you rotate an object in a graph?? It depends on what point you are rotating the plot. The math is somewhat advanced, so I don't know your level. i just need to rotate it..like 180 and 90.... Ok, rotating about the origin. For ninety degrees, counter
46. ## Math

LOL I can't figure this out. It should be easy it's been years since I've been in school and my son has no idea. The product of two numbers is 63. Their sum is 16. What are the numbers? Thanks for the help! Let's factor 63. 1 x 63; 3 x 21; 7 x 9. Which of
47. ## math help

could some one please explain to me reciprocal how to find the reciprocal my math home work says find the reciprocal of (-1/8)(13/2)(4) reciprocal you change over so is the -1/8 -8/1 or would it be 8/1 13/2 would be 2/13 4 would be 4/1 then 1/4 then i
48. ## math

compound interest compute the compound interest on 1)Rs 1500 for 2years at 6% per annum. please send answer This site explains compound interest and shows the formula for solving your problem. http://math.about.com/library/weekly/aa042002a.htm
49. ## Math

HELLO, THIS IS MY FIRST TIME USEING THE JISKHA WEBSITE. I NEED HELP WITH MY HOMEWORK. PLEASE HELP ME WITH MY HOMEWORK! THANK YOU! _______________________________________ MY MATH HOMEWORK: 30 DIVIDED BY 10 56 DIVIDED BY 6 55 DIVIDED BY 10 30/10=3 55/10=5.5
50. ## Math

Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find
51. ## Math (Function differentiable)

Determine whether the function is differentiable at x=2 x^2+1 for x<(or equal to) 2 4x-3 for x>2 I did the math for the limits of both equations and they both approach to 4. So that means they are differentiable right?
52. ## Math is this correct

There are 30 students in math class. Twelve belong to the photography club. Three belong to both clubs. How many belong to neither club? Is it 12?
53. ## MATH

Please help me with this math problem. 150-4((3+9)/(4-1) X (14-11)^2) the answer is 6, I have tried everything and can not get that answer
54. ## math, science

what are the difference and similarities between math and science
55. ## math

Can you make, using any math symbols, make four 8s equal 5?
56. ## Math or Maths???

Which word is correct to use? Math or Maths?
57. ## math pls help Ms Sue

could you pls check my math 6< s +7 -1<s -8.7<y + (-12.4) 21.1<y x + 17 > 10 -7 > x 11 > j + (-19) 30>j 24.3 > g- (-14.4) 38.7> g f + (-20) > -7 f > 30
58. ## Math - Discrete math

(1) For all integers y, there is an integer x so that x^3 + x = y. (2)For all integers x, x^3 + x is even Thank you for your help.
59. ## math factors

I need all math factors for 2,006 2006 = 2*17*59 :)
60. ## English

1. I like science but not math. 2. I like science but I don't like math. Does #1 mean #2?
61. ## Math

Hello. Can someone help me? I'm not very sure about some of these :( Stephen read a 90-page book in 6 days. If he continues reading at that rate, how long will ittake him to read a 300-page book? Answer: 20 days. I found this by doing 90/6=15, and then
62. ## math

how would i write this in scientific notation 14,718? how would i write this in standard notation 1.98 x 10 to the second power 14,718 could be rewritten as 1.4718*10^4, which is read as "1.4718 times 10 to the fourth power." (The asterisk is often used as
63. ## 5th grade math word problem

Santa was making up a batch of dolls but could not remember exactly how many of each kind he needed. He knew that he needed 57 in total that 27 had to have blue eyes and 29 had to have fair hair. Also some had to have both features and 3 dolls were needed
64. ## math

In my math book I got a problem that said explain the meaning of the range I said that you need to add the greatest number and the lowest number if that is not correct what is the meaning of the range.
65. ## Math

Hello. I'm not a native English speaker. I have a math assignment and I need to explain the process of this equation. y=14.2x+19.3 542 = 14.2x+19.3 542-19.3 = 14.2x 522.7 = 14.2x x = 36.8… I don't know how to explain this in English, can anyone please
66. ## Math

On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct?
67. ## To all students posting math questions

Please know that at least 3 of our frequently posting math tutors are away from their homes on trips. There are other very good tutors who are online, but less frequently. You'll need to be very patient.
68. ## Math

On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct?
69. ## 3rd math

okay Math genius! Help me out here. I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number am I?
70. ## Math(College Algebra)

I'm having trouble how to set up this math problem: Rebecca Herst received a year-end bonus of \$17,000 from her company and invested the money in an account paying 6.5%. How much additional money should she deposit in an account paying 5% so that the
71. ## math

On a T.v. game show a contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability what is the expected value of the selection if the three doors behind them have
72. ## Math

Math Problem: Find the area of a circle that has a radius of 14 feet. Round your answer to the nearest hundredth. Would someone please check the way I worked this and let me know if I did it correct or not? Thank You A=3.14 (14ft)2 A=3.14 (196) A=615.44 Im
73. ## math

The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler spends the night in a motel room that costs \$55 before taxes, how much will the city receive in taxes from him? I am studying for a exam, would you also know a good
74. ## Math

Posted by Lance on Friday, April 27, 2007 at 9:47pm in response to math. please give us one set of numbers so we can work an example for you. What was the percentage increase in motor vehicle production in countries outside the United States from 1950 –
75. ## Maths

I need to solve these anagrams of famous mathematitions PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE LLCAOVEE The first one is PYTHAGORAS. For names of other famous mathematicians, check this site:
76. ## math

The math team in addville travled to subtractville for a math compertition. The bus averaged 40 mph from addville to subtractville but adveraged 60 mph during the return trip. What was the adverage speed of the bus for the entire trip? Thats the story
77. ## math (check answer)

You want to know the number of students in your school that have a January birthday. You survey the students in your math class. Three students have a January birthday, and 32 do not. So, you conclude that about 8.6% of the students in your school have a
78. ## Math help

here's the question Dear Dr. Math, I wanted tto find the area of this hexagon. I few the apothem as I've shown. Then I measured the apothem and perimeter. I used the formula a=1/2ap and got 3.2cm^2 for the area but that seems way too small for me. I think
79. ## Math

Math - Cindy, Tuesday, April 29, 2014 at 8:44pm At Bobs diner, it costs \$8.00 to purchase two hamburgers and one order of fries. The "family pack" costs 30.00 and comes with six hamburgers and six orders of fries. If the prices are constant,how much does
80. ## math

I suggest you Google each of these people. You can search for the name bio Or you can search for the name height weight. for math i have to do a graph of some sort, so i chose to do a graph of famous ppls heights and weights, so i was wondering do you know
81. ## DRWLS,MATH,ALGEBRA

Drawls, How did you get 2h. and then the 2a/h from.Can you help me understand it when you get a chance. Directions: Solve each literal equation for the indicated variable. A=1/2h(B+b) (For b) Area of a trapezoid For Further Reading math,algebra - drwls,
82. ## math

solve the compound inequalities as demostrated being careful of how a negative x- term is handled in the solving process show all math work arriving at the solutions display a simple line qraph for each solution set as demostrated. -1<3+2x<11 (Your
83. ## Math

Consider the weighted voting system [75: 31, 29, 23, 16, 8, 7]. Find each: a. The total number of players b. The total number of votes c. The weight of P3 d. The minimum percentage of the votes needed to pass a motion 9rounded to the next whole percent)
84. ## math

the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks? math - Steve, Monday, September 19, 2016 at 5:17am 3d+2t = 8 3d+3t = 9 clearly, t=1 i cant understand it math - Steve,
85. ## TO: WHITNEY

I've removed your last post because it was rude and insulting. I've also banned you from posting here. Jiskha tutors cannot teach you math from the beginning. Since you have neither teacher nor textbook, I urge you to use sites like the following to learn
86. ## math

Fewer than 107 girls attend a basketball camp. A total of 180 children attend at the camp. Which inequality can be used to find the number of boys n tha might have attended the basketball camp? math problem
87. ## 3rd grade math

Carl shades a row on a multiplication table. The products in the row are all even. The ones digits in the products repeat 0,4,8,2,6. What row does Carl shade? Now I am awful at math and don't even begin to understand this question!! Please help
88. ## math,correction&help

Is this right:if it still needs more can someone help me out what else can i say....thanks why are polynomials important? polynomials are important because the are used to determine and solve the unknowns in equations. Many natural processes can be modeled
89. ## Math

A student wrote this statement: "A triangular prism has a height of 15 inches and a base area of 20 square inches. The volume of the prism is 300 square inches." Identify and correct the error. I am not sure because I am new at doing this kind of math.
90. ## Statistics

suppose the correla tion between SAT Verbal scores and Math scores is .57 and that these scares are normally distributed. IF a student's Verbal score places her at the 90th percentile, at what percentile would you expect her Math scores to be?
91. ## math

Find the representation of the number 256 in the following bases: a. base six b. base twelve c. base two I get how to write the number of objects as a base(whatever), but I think this is asking me to start from the end number and work backwards. I really
92. ## math

alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty
93. ## math

alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty
94. ## 3rd grade

This is my sons math problem I am not good at math please can you help me and show the work for the calculations " ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING
95. ## Math

We are currently studying "earning money" for math. I read this sentence: When a store claculates its profit as a percentage of its cost price the profit is always bigger than the profit calculated as a percentage of the selling price. What does it mean
96. ## Math

There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?
97. ## Algebra

I am going to take an Accuplacer math placement test later this week. It is to determine what math course I need to take in college. The school would like me to place in statistics.This will be my second time taking the test. The first time I placed in
98. ## Math

How do I get the common multiple of 12, 20, and 35? I am not sure I understand the process. I have 18 toy vans I give7 to lexiev. and 2 to kaitlynne how many do I stil have The common multiple is the number that can be divided evenly by all three numbers.
99. ## High School Math

I'm helping my little sister in her math homework. I just got stuck in this problem. Can anyone please help us out. I'm guessing it's letter C. Am I correct? A small company borrows \$50,000 at 11% compounded monthly. The loan is due in 4 years. How much
100. ## math

Good day to you. How can I approach this math problem. "To save for a child's education, the Petersens deposited \$2500 into an account that pays 6% annual interest compounded daily. Find the amount of interest earned on this account over a 20-year period".