# Questions Asked onAugust 1, 2017

1. ## Math

A boy walk 1260m on a bearing 120degree.how far south is he from his starting point

2. ## probabilities in statistics

let two cards be dealt sucessively, without replacement, from a standard 52-card deck. find the probability of each event. a) club dealt second, given a diamond dealt first. b) the first card is the ace of hearts and the second is black

3. ## math

Parallelogram PARL is similar to parallelogram WXYZ. If AP = 16, PL = 24, and WZ = 96, find the value of c.

4. ## Math

A ship leaves port at 1:00 P.M. and travels S35°E at the rate of 28 mi/hr. Another ship leaves the same port at 1:30 P.M. and travels S20°W at 18 mi/hr. Approximately how far apart are the ships at 3:00 P.M.? (Round your answer to the nearest mile.) I

5. ## Physics

A car weighing 1000kg is going up an incline with a slope of 2 in 25 at a steady speed of 18kmph.If g=10m/s2, the power of its engine is

6. ## college- math

a fair die is rolled 3 times. A 4 is considered "success", while all other outcomes are "failures." find the probability of the number of success a) 2 b)3

7. ## Math

A rectangular garden plot 16 by 24 meters is to be bordered by a strip of uniform width x meter so as to double the area. Find x.

8. ## ALGEBRA 1 HELP

Henry is taking a medicine for a common cold. The table below shows the amount of medicine f(t), in mg, that was present in Henry's body after time t: t (hours) 1 2 3 4 5 f(t) (mg) 282 265.08 249.18 234.22 220.17 Greg was administered 300 mg of the same

9. ## ALGEBRA 1 HELP

The description below represents Function A and the table represents Function B: Function A The function is 2 more than 5 times x. Function B x y -1 2 0 5 1 8 Which statement is correct about the slope and intercept of the two functions? Their slopes are

10. ## Chemistry

What type of solution are the ff: Honey Hydrogen peroxide Chlorine bleach Lemon water Hair spray Air freshener spray Toothpaste Moth balls

11. ## Calculus

An upright cylindrical tank with radius 3 m is being filled with water at a rate of 4 m3/min. How fast is the height of the water increasing?

12. ## math (sinusoidal functions

The height of the rider on a Ferris Wheel can be modeled by a cosine function. At time t = 0, a rider boards the Ferris Wheel at its minimum height of 3 m. The maximum height of the Ferris Wheel is 39 m. During the 8 minute ride, the rider reaches the

13. ## Math

How do I solve 4|8x-2|=8? And also 6w-1 over 5 -3w= 12w-16 over 15?

14. ## Math

If f (x)= x^2-1 and f(2a)=35, then what could be the value of a ?

15. ## math

25% of water is evaporated from 10 litres of water containing 150 gm of common salt, the % of salt in remaining solution is increased by how much?

16. ## Math

Find the greatest value of a,so that integrate [x*root{(a^2-x^2)/(a^2+x^2)} ] from 0-a

17. ## math

R=pl\A.make p the subject of the formular and A the subject of the formular.

18. ## math

How many positive integers less than 100 have a reminder of 3 when divided by 7?

asked by how many positive integers
19. ## Algebra

A painter needs to purchase enough paint to paint a bedroom that consists of four walls. Two of the walls are 11 feet by 10 feet and the other two walls are 12 feet by 10 feet. The paint is sold in 1 gallon cans, and each gallon of paint will cover an area

20. ## Math

If 2x=5, 3y=4, and 4z=3, what is the value of 24xyz ?

21. ## Math

If x+1=7, what is the value of x^2+2x+1 ?

22. ## physics

if the displacement of a particle varies with time as root of x=t+7 what is the relation between the velocity and time

23. ## Phsyics

A source of light is used to illuminate a screen. 1m from the source, the intensity of the light falling on the screen is 12 000 lux. Calculate the intensity on the screen at distances of: a) 2m b) 3m

24. ## Math

What is the pattern to answer this question? A 3 by 3 array of blocks is painted so that every other row, starting with row 1, begins with a red block, and the alternate rows begin with a black block. Does the 13th row begin with red or black?

25. ## Math

Pete has 12 stamps from the United States, twice that many from Mexico, and 3 from Canada. In simplest form, what fraction of stamps does Pete have from each country?

26. ## math

show that the product of three consecutive even integer is a multiple of 48

27. ## Math

Sara= 3/4 hours Malik= 1 1/4 hours Brian= 1/4 hours a. How much more time does Sara study than Brian studies? b. How much more time does Malik study than Sara and Brian together?

28. ## Universities

What are the best universities in the USA which offers Transport and Logistics Management degree and what are the main requirements for an international student obtain a scholarship from that university for the mentioned degree? What are the chances for an

29. ## chemistry

how would you prepare 100cm cube of 01M SODIUM CARBONATE AND EXPLAIN THE PROCEDURE

30. ## science

A body is dropped the roof of a building 10 mtr high calculate the time and speed g =10 m/s

31. ## Statistics

What is the probability that simple random sample of 50 staff members provides a sample mean leave of 6.5 to 9.5 weeks?

32. ## math

It took Esteban 1 minute and 20 seconds to travel one mile. If he then drives this one mile distance in 55 seconds, how much faster is he driving in miles per hour?

33. ## Math

Show that for real x that {[cos x + 2 sin x + 1]/[cos x + sin x] } cannot have a value between 1 and 2. Let y = [(cos x+2 sin x + 1)/(cos x + sin x) ] y(cos x + sin x) = (cos x + 2 sin x + 1) sin x(y-2) + cos x(y-1)=1 , I just feel that this isn't the way

34. ## Science, physics, work/power/enegry

I have to do a crossword puzzle for my exercise due tomorrow but the words aren't fitting... two blanks 1. Going downward 19 blocks on the 6th is "v" 15th is "a" 17th is "I" 19th is "n" and the question is "an example of radiant energy" 2. Going

35. ## Penn foster high school.

4. When sewing a new dress for yourself, the best method of marking the hem length is to A. pin it an even distance from the waistline. B. do it yourself with an adjustable hem marker. C. ask someone to mark it for you. D. chalk an even line from the lower

36. ## Geometry

Find the area to the nearest tenth. Use 3.14 for pi

37. ## MATH

how we change it h= 0.5dm in centemeter

38. ## science

Can you explain how matter and energy are continuously transferred between organisms and their physical environment? All help welcomed, I'm willing to be directed to links etc thank you! Im truly stumped here i know it probably has to do with the carbon

39. ## Finance

Hello. This is kind of long, but I would truly appreciate it if someone could help me validate my solutions for the three questions listed below. Thank you in advance. A firm is considering acquiring a new segment to add to its product line. The estimated

40. ## algebra

Compound interest word problem. Suppose JJ has \$1000 that he invests in an account that pays 3.5% interest compounded quarterly. How much money does JJ have at the end of 5 years? Formula: A= The amount of money earned after a certain length of time. P=

41. ## Physics

Ok, my Physics professor gave us this to do uncertainty propagation with these equations. Can some please show me some examples on each of these so I know I'm doing them right? Uncertainty Propagation Since raw data includes uncertainty, all calculations

42. ## Math

Family intends to have four children, prepare a tree diagram for this family and list the possible outcomes

43. ## math

You conduct an experiment of dice rolling and roll a six 14 times out of 56 rolls. Write both the experimental probability and the theoretical probability in fraction and percent form.

44. ## algebra

I want to fence a rectangular garden which measures 33 by 24 feet. If the fencing I want costs \$4.50 per yard, how much will it cost me for the fencing if I want to leave a two foot opening for a gate? (I cannot buy fencing of less than one full yard.)

45. ## math

How many acres will a 1.3 cu feet per second irrigate

46. ## math (sinusoidal functions)

Sketch two cycles for the motion above the ground of a point on a hamster wheel. The wheel rotates every 6 seconds. The highest it reaches is 27 cm above the ground. The diameter of the wheel is 25 cm.

If you look over a text before you start to read, you’ll read faster. True False

48. ## math

Terese manages a grocery store warehouse that encourages volume shopping on the part of customers. Therese has discovered that on any given weekday, 70% of the customers' sales amount to more than \$100. that is, any given sale on such a day has a

49. ## physics

Suppose that a spring is attached to a wall. On the other end of the spring, it is attached to an object of 0.263kg. When the spring is compressed at a distance of 15cm, it holds an elastic potential energy of 20.0J. The horizontal surface has no friction;

50. ## college- math

a children's theater found in a random survey that 58 customers bought one snack bar item, 49 bought two items, 31 bought three items, 4 bought four items, and 8 avoided the snack bar altogether. use this information to find the expected number of snack

51. ## Maths

a and b are perpendicular vectors.a=(2i+3j) and b=ti+dj(d>0 and i and j are unit vectors) and |b|=1 Find t and d? I know we have to use the cross product here. a.b=|a||b|*cos(π/2) (2i+3j)(ti+dj)= √13*1*0 2t+3j=√13*0 How do we find t and d?

52. ## Calculus

The radius of a sphere is increasing at a rate of 2 mm/s. How fast is the volume increasing when the diameter is 100 mm? Evaluate your answer numerically.

53. ## Algebra

y varies jointly as X and Z. y=64 when x=4 and z=8. Find y when x=8 and z=6