# Math

1. math
If the length and breadth of a rectangle are increased by 3m and 2m,respectively the area would increase by 52 sq.m.If the length and breadth are decreased by 2m and 3m,respectively the area would decreased by 43sq.m.Find the length and breadth of the rectangle?
2. Math
tim has an after school delivery service that he provides for several small retailers in town. he uses his bicycle and charges \$1.25 for a delivery made within 1 1/2 miles, \$1.70 for a delivery of at least 1 1/2 miles but less than 1 3/4 miles. \$2.15 for a delivery of at least...
3. english
can you help me with passive voice misuse, and punctuation in compound and complex sentences. I was using a grammar checker website and it told me what was wrong. Mathematics resolves abstract problem situations of daily life, strengthens the mental calculation, having as the ...
4. math
9x-11 3x+43 ____________ L M N the value of x is
5. General Math
Maria rides a jeepney to go to the market which is 14km away from her house. The fare rate is 8.00 pesos for the first 4km and additional 1.40 pesos for every km or a fraction of it thereafter. What mathematical can be drawn out from the given situation?
6. math
2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?
7. math
2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?
8. math
2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?
9. math
explain how to tdo this problem. The larger of two numbers is 5 less than twice the smaller number. The sum of four times the larger and twice the smaller number is 100. If x is the smaller number what is the equations that determines the correct value of x
10. Math
Is Fibonacci the only pattern found in nature?
11. financial math
Ginny Jones receives \$624 gross salary biweekly. Her income tax rate is 14%. Her group health plan contribution is \$4.25 per pay period. She belongs to the company retirement plan, to which she contributes 6% of her earnings. She is also covered under Social Security benefits...
12. Math
Determine the slope of each line described below. y = 6x + 3 y = 0.5x + 6
13. math
a triangle has one side that lies along the line y=1/4x and another that lies along the line y=(-1/4)x. which of the following points could be a vertex of the triangle? a. (4,4) b. (0,0) c. (-4,-2) d. (1,8)
14. math
Last year, Gary's tomato plants produced 24kg of tomatoes. This year, Gary increased the number of tomato plants in his garden by 25%. If his plants produce tomatoes this year at the same rate per plant as last year, how many kilograms of tomatoes can Gary expect the plants to...
15. math
A biologist grows a culture of bacteria as part of an experiment. At the start of the experiment, there are 75 bacteria in the culture. The biologist observes that the population of bacteria dobules evert 18 minutes. Which of the following equations best models the number, n, ...
16. Math
A grandfather clock chimes 4 times when it is fifteen minutes after the hour,8 Times On the half hour,and on the hour it chimes 16 plus it chimes the number of times equal to the hour.in one year how many chimes are struck by the grandfather clock?
17. math
For 5 consecutive even integers, the sum of the first and third integer is 20 less than 3 times the fourth integer. What is the fifth integer?
18. Math
Explain how bias in the survey might have affected the results. A survey of residents in a wealthy part of town asks whether the government should provide more low-income housing for the town’s residents. A.The question in the survey is biased against government help for low...
19. Math
A tank hold is litres of water the capacity of cup is 3/10 a litres how many cup of water does the tank hold?
20. Math
4m-2/3=6m+3/7
21. math
Translate this phrase into an algebraic expression. 11 increased by twice Mai's savings Use the variable m to represent Mai's savings.
22. math
Translate this phrase into an algebraic expression. 11 increased by twice Mai's savings Use the variable m to represent Mai's savings.
23. Math
A supplier sellers 2 1/4 pounds of mulch for every 1 1/3 pounds of gravel. The supplier sells 172 pounds of mulch and gravel combined. How many pounds of each item does the supplier sell?
24. Math
Which is higher? -6/24 or -2/8
25. Math
Two trains travel in the same direction on parallel tracks. Train A starts out 50 kilometers ahead of Train B. Train A travels 90 kilometers per hour and Train B travel 100 kilometers per hour. In how many hours will the trains be in the same place? Is the answer 5 hours?
26. math
in the town hall meeting room, i sit in the fourth row from the front, whcih is also the twelfth row from the back. each row has 14 seats. how many people can be seated in the meeting room? is it 14*15 ?
27. Math
Is .845 larger than.099?
28. Math
Action Comic #1, which originally sells for 10 cents, now sells for \$18,500. This comic has increased in value A. 18,500,000% B. 185,000% C. 1,849,990% D. 18,499,900% Is B correct?
29. Math
-13=5(1+4m)-2m
30. math
Solve the inequality for r. -3r-33>-9r+27
Rhonda Brennan found her first job after graduating from college through the classifieds of the Miami Herald. She was delighted when the offer came through at \$14.90 per hour. She completed her W-4 stating that she is married with a child and claims an allowance of 3. Her ...
it takes harrison 1 1//2 hours to finish his history project. it takes miles 3 2/3 hours to finish his science project. how many times as long does it takes miles to finish his science project than it takes harrison to finish his history project? Do I have to subtract or divide?
33. Math
An ordinary die is thrown seven times.find the probability of obtaining exactly three sixes
34. math
Explain the notation M^-1 used for the inverse of a square matrix M. I thought M^-1 would be a normal inverse matrix except the numbers would be vertically switched like in fractions...? Not sure though.
35. Math
Manoj buys a leather coat costs RS.900 at Rs.990 after paying the VAT. Calculate the rate of the VAT of the coat?
36. Math
Manoj buys a leather coat costs RS.900 at Rs.990 after paying the VAT .Calculate the rate of VAT of the coat.
37. math
You want to have a \$ 74,468 college fund in 13 years.  How much will you have to deposit now in an account with an APR of 3 % and monthly compounding?
38. math
Find all the x-intercepts of the curve y=4x^4-17x^2-15
39. Sat Math
Line l has a y-intercept of 2 and contains the points (a,a) and (2a,12). If a is a positive constant, what is the slope of line l?
40. math
princess palace pizza offers two different types of pizza: square pizza and circular pizza. the square pizza is 15 inches long on each side. a square cheese pizza cost 9.00. the circular pizza is 16 inches in diameter and a circular cheese pizza cost \$8.75. which pizza is ...
41. math
Determine the area and perimeter of 3.6cm by 4.2cm show your work.
42. Math
Anais bought 2 1/2 yards of ribbon. She had 2 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains? Anais used _____ inches of ribbon.
43. math
One of the guest rooms in my house has two walls that are 15'6" by 8 ft, and two that are 12'3" by 8 ft. When buying paint for the walls, I estimated the wall area to be about 450 sq. ft. Find my percent area. First I need to find the total area of the wall -- I did this by ...
44. Math
An urn contains 7 pink and 8 black balls. Five balls are randomly drawn from the urn in succession, with replacement. What is the probability that all five balls drawn from the urn are black?
45. math
A parallelogram has diagonals of length 10 cm and 17 cm. An angle between them is 125°. Find: a. the area of the parallelogram b. the dimensions of the parallelogram. I have found a. to be: 1/2 * 10 * 17 *sin(125) = 69.63cm^2 Just need help with part b
46. Math
3/4 h times 19mi / 1/4 h
47. Math
My question says “Find the product, list the units” “8 h times \$9/h” 8h x \$9 is 72 I don’t understand what h will be & what they mean my list the units Please help! Thank you!
48. math
A boat sails on a bearing of N15°E for 10 km and then on a bearing of S85°E until it is due east of the starting point. What is the distance from the starting point to the nearest kilometre?
49. math
Assume x and y have 5:3 profit sharing ratio respectivly and a new member enters by taking 1/5 from x and 1/3 from y.what will be the new ratio of the three people?
50. math
the SMALLEST of 3 consecutive numbers is n. the average of these 3 numbers is: a. (n+2)/3 b. n+1 c. 3(n+1)/2 d. 3n/3 is b the correct answer ?
51. Math
The circumference of a circle, divided by its radius equals A. pi/2 B. pi C. 3pi/2 D. 2pi I got D, is that correct?
52. Math
Of the 28 students in a class 7 went on the field trip. What percent of the class went on the field trip
53. math
Using the equation representing the height of the firework (h = -16t2 + v0t + h0), algebraically determine the extreme value of f(t) by completing the square and finding the vertex. Interpret what the value represents in this situation.
54. Math
(-1)^1989 - (-1)^1988 = A. -2 B. -1 C. 0 D. 2 Is the correct answer A ?
55. Math
In the first act of a play all the actors were on stage. The second act opened with 1/2 the actors onstage and then 5 actors left. After that 1/2 the remaining actors left, and 4 actors remained on stage. How many actors were onstage in the first act?
56. Math
How do you write standard form for 300,000+4,000+700+40+5
57. Math
In a circle whose center is O, arc AB contains 100°. Find the number of degrees in angle ABO.
58. MATH
What percent of the volume of a 10×10×10 box can be filled with 4×4×4 wooden cubes? Express your answer as a decimal to the nearest tenth.
59. math
Let F1 = (0,2), F2 = (0,-2), and P = (x,y). Use the distance formula to convert the equation PF1 + PF2 = 6 into Cartesian form. Simplify your answer until it reaches the form hx^2+ky^2=m. I tried solving this but I got stuck with all the square roots and simplifying.
60. Math
THE INPUT IS 25 AND THE OUTPUT IS 15 THE NEXT ONE IS INPUT 30 OUTPUT 18 WHAT IS THE OPERATIONS PLEASE HELP!
61. math
An instrument shows the number of revolutions per minute made by each tire of a car. In each revolution, the car travels a distance equal to the circumference of one of its tires. The circumference of each tire is equal to 2πr, where r is the radius of the tire. If the radius...
62. math
Find my average science test score is : 89,90,95,72,83,100,94
63. math, English, geography, chemistry, physics, economics, l
the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square number
64. math, English, geography, chemistry, physics, economics,
the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square numbe
65. math
Your current cell phone company charges \$30 per month for unlimited texting. Another company charges \$20 per month for the first 500 texts plus 5 cents each for any additional text. Should you keep your current current service or switch to the other?
66. Math
If each edge of a cube is increased by 2 inches, the A. volume is increased by 8 cubic inches B. area of each face is increased by 4 square inches C. diagonal of each face is increased by 2 inches D. sum of the edges is increased by 24 inches is the answer C ?
67. Math
A square has the same area as a rectangle whose longer side is 2 times the length of its shorter side. If the perimeter of the rectangle is 24, what is the perimeter of the square? A. 8 sqrt 2 B. 16 sq
68. math
the perimeter of a rectangle with adjacent side lengths of x and y, where x>y, is 8 times as great as the shorter side to the rectangle. what is the ratio of y to x? a. 1:2 b. 1:3 c. 1:4 d. 2:3 is b the answer?
69. Math
I'm looking for a example for 1 to 2 ratio sentence
70. Math
A recatangular pen is to be made with 120 feet fencing. The pen is divided into 4 equal parts. And an existing property fence will be used for one long side. 1) If x represents the width of the fence express its area A(x) in terms of x 2) Determine the dimensions of the ...
71. math
you are creating identical goodie bags for your birthday party using 18 soccer balls and 30 footballs. What is the greatest number of bags you can fill using all the candy?
72. Math
How do you explain the meaning of 0?
73. math
How do you find the value of m in the equation y=k+asin(mx)?
74. Math
A lighthouse flashes its light every 12 minutes. Another lighthouse every 18 minutes. If the two lighthouses flash together at 12:00 noon,at what time will they next flash together?
75. math
#Please people help me the solution of this question# Ali was born 29th February 1980. How many birthdays he celebrated until 2003?
76. math
#please people help me the solution of this question# How many degrees does a minute and clock turns through between noon and 1320 hours of the same day?
77. Math
A quart is approximately sixty cubic inches. A cubic feet of water weighs approximately sixty pounds. Therefore, a quart of water weighs approximately A. 2 lbs B. 3 lbs C. 4 lbs D. 5 lbs
78. Math
if n houses have k windows, write an expression to represent the number of windows for n + 1 houses n+ 1 = 4+4k
79. Math
Using the binomial theorem, Find the first three terms in the expansion of (x^2+2y^3)^20
80. Math
Solve: dA/dt = -10A, A(0) = 5 ------------------ I tried getting A by itself: A = -1/10 * dA/dt A(0) = 5 = -1/10 * dA/dt but I'm somewhat sure that's wrong; so integrating I get: int(dA/dt) = int(-10A) A = -5A^2 which doesn't make sense to me intuitively since the same ...
81. Math
if the hands on a round clock moved counter clockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to 3? a. 4 b. 7 c. 8 d. 11 is 8 the correct answer?
82. Math
If the days of the year were numbered backward using consecutive numbers (so that December 31 is day number 1), in what month would day number 123 occur? A. August B. July C. March D. September I got September but I’m not sure if that’s the correct answer
83. Math
Each wheel on Harley's bike has a radius of 60 cm. How many revolutions does each bike make when Harley bikes 500 cm? A. 500/120pi B. 1000/120pi C. 50000/120pi D. 100000/120pi
84. Math
Find rhe first term of the ff: S sub 10= -20 d=4 S sub 15=-195 d=3 S sub 12= 378 d= 9
85. Math
In a survey, 20 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of \$30 and standard deviation of \$2. Find the margin of error for a 99% confidence level.
86. math
#please people help me the solution of this question# Change 7380 seconds into hours and minutes.
87. math
At the beginning of the year, 40% of the students in the Art Club were boys. In the middle of the year, 25% of the girls left but 8 more boys joined the Art Club. The number of members became 42. Find the total number of Art Club members at the beginning of the year.
88. Math
Mass of earth is 5.97 x 10 kg and it's mean radius is 6.371 what's is value of g at earth surface
89. math
#please people help me the solution of this question# Change 7380 seconds into hours and minutes.
90. MATH
Find the number of terms in the aritmetic progession 2,-9,-20,-141
91. Math
Find the number of terms in the aritmetic progession 2,-9,-20,141
92. math
A man travels 12km towards west then 3 km towards south and then 8 km towards east. How far is he from the Start?
93. math
the largest odd factor of 6^8 * 10^6 is A (6^8 * 10^6)/2 B 3^4 * 5^3 C 15^6 D 3^8 * 5^6
94. Math
The largest circular shape my piece of string can form has a diameter of 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form? A. 4/pi cm B. 8/pi cm C. 2 cm D. 4 cm Is D the answer ?
95. math
What is the value of 3/4*7/8*15/16 rounded to the nearest 0.25? A. 0.25 B. 0.50 C. 0.75 D. 1.00 When I multiplied it out, I got 0.61523.., so the answer would be B, right?
96. Math
to celebrate the first day of a leap year, i taught my dog to jump through a hoop. it was a sunday. when he taught me the same trick the first day of the next year, it was a ? a. sunday b. monday c. tuesday d. wednesday is tuesday the correct answer?
97. Math
In a Sing Thing, the first 4 singers sang Song 1, the next 4 sang Song 2, and so forth. Singer number 73 sang Song ? A. 18 B. 19 C. 20 D. 73 I got B, is that correct?
98. Math
Odds of (7/10)
99. Math
Round 5762 to the nearest thousand
100. math
The sum of 16 and Janelle's age is 53
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