1. geometry

How many different triangles can be formed having a perimeter of 7 units if each side must have integral length?

2. Math

For a given right, side a = 76.4 feet and side b = 39.3, what is the measure of angle b to the nearest degree

3. calculus

Beth leaves a dock in a motorboat travelling at 14 m/s. She heads downstream at an angle of 40° to the current, which flows at 6 m/s. Determine how long it takes for Beth to travel 400 m

4. Physics 2

four identical charges (q = +3µC) are arranged in a form of a rectangle. what are the magnitude and direction of the net electric force on the charge in the lower right corner attributable to the other three charges? distances are in meters.

5. calculus

Nikki is driving a motorboat across a river that flows at 5 m/s. The motorboat has a speed of 12 m/s in still water. She heads out from one bank in a direction perpendicular to the current. How far does she travel in 3 minutes?

6. hindi

biography of arati saha in hindi

7. calculus

A parallelogram is determined by the vectors a = [-2, 5] and b = [3, 2]. Determine the diagonals of the parallelogram.

8. Algebra

A square field has an area of 479² ft What is the approximate length of a side of the field?

9. Algebra

Simplify the expression (7+5) + 4 * 13 - 2 My answer is 12 +4 * 13 -2 16 * 13 -2 16 * 11 176

10. Pure Maths

A container is in the shape of a right circular cone (inverted) with both height and diameter 2 meters. It is being filled with water at a rate of (pi)m^3 per minute. Fine the rate of change of height h of water when the container is 1/8th full(by volume).

11. health

I need help with this question. How do I code a 42 year old white male who accidentally injured his left index finger on a circular saw while working on broken shutters at home in his garage. The patient sustained a jagged laceration over the dorsal radial

12. Math

Use graphing utility to graph function and estimate the limit. Use a table to reinforce your conclusion. Then find the limit by analytic methods. lim (sq root of (x+2) - sq root of 2) / x x->0 Thanks!

13. chemistry

ferus amonium sulphate reaction with sulphuric acid

14. geometry

Two sides of scalene triangle ABC measure 3 centimeters and 5 centimeters. How many different whole centimeter lengths are possible for the third side?

15. math

Place parentheses in the following equation to make it true. 6 + 6 ÷ 6 x 6 - 6 = 0

16. Geometry

What is the equation of the circle touching the lines: 2x +y-9=0, -2x +y -1=0 and -x +2y +7=0.

17. hindi

three persons a,b and c were sitting together on the three chairs. tell me who feel cold while sitting? (hint= persons are sitting in line on first chair a,second chair b & third chair c)

18. psychology

1 what does peter singer say about history liberation movements? 2 The philosopher,John Stuart mill recognized the follow as a potential problem for utilitarianism what is peter point about performing vivisection on mentally health disabled human infants?

19. fitness

For women, the most accurate predictor of their length of life is A. biological age. B. chronological age at menopause. C. level of physical activity. D. nutritional intake over the past decade.

20. Social Studies

I'm working on creating a Thesis statement for my social studies fair project. The topic I originally picked out was "Why is female gendercide taking place in India?. However, I don't know how to turn it into a debatable thesis statement. Can a debatable

21. Introduction to Psychology

I am working on a written final project and confused on how to apply psychological theories, processes, and concepts to human behavior. When it a person is believed to be suffering from major depression and then I am to Discuss psychological disorders and

22. chemistry

ferusamoniumsulphate reaction with sulphuric acid

23. Math

Cindy is four years older than twice Mark's age. Juan is half as old as Cindy. How much years older than Juan is Mark?

24. psychology

there are many barriers to rationality in our thinking process. Uncle Roy,for example, pays attention only to evidence that supports his views and finds fault with all evidence to the contrary. Uncle Roys behavior demonstrates the cognitive error of

25. contemporary math

suppose that the length of one leg of a right triangle is 2 inches less than the length of the other leg.the length of hypotenuse is 10 inches.find the length of each leg.

26. PT

You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide

27. geometry

Triangle ABC and triangle DBC share BC. AB=5 cm AC=12 cm DC=8 cm and BD= 20 cm. What is the least possible integral number of centimeters in BC?

28. physical

The leading cause of death between ages 25 and 44 is A. heart disease. B. malignant neoplasms (cancer). C. unintentional injury. D. chronic low-respiratory disease.

29. Math

Sorry! I don't get this one either.. limit of (f(x+Δx)-f(x)) / Δ x with Δ x -> 0 f(x)= 1/(x+3) My work so far before I got stuck... 1/((x+Δx)+3) = 1/(x+Δx+3) - 1/x+3 = 1(x+3)/(x+Δx+3)(x+3) - 1(x+Δx+3)/(x+3)(x+Δx+3) =Δx / (x+Δx+3)(x+3) I need to

30. Physic

How does Indiana decide how much sand to put into the bag? What does he appear to be doing? What assumption is he makin? From the movie Raiders of the lost ark

31. Precalculus

Let z and w be complex numbers such that |2z - w| = 25, |z + 2w| = 5, and |z + w| = 2. Find |z|. I need a little help with absolute values on complex numbers.

32. Algebra

Simplify 5(14-20²/2 My answer is 360

33. Chemistry

A cow weighing 1317 slug can yield10% steak. Steak may contain 5.8 % fat. How many milligrams of fat can you get from 0.548 slug of steak? (1 slug = 14.59 kg) Answer in units of mg I started the conversion by converting slugs to kg, but I didn't know what

34. math

The length of a rectangle is 7 cm longer than its width. If the perimeter of the rectangle is 74cm, find the length and the area of the rectangle.

35. PHYSÝC

One end of a metal rod is in contact with a thermal reservoir at 745 K, and the other end is in contact with a thermal reservoir at 105 K. The rod and reservoirs make up a closed system. If 7030 J are conducted from one end of the rod to the other

36. Physic

The density of gold is 19.3 g/ml. If the statue is solid gold, how much does it weight?

37. calculus

For the vectors x=(0,6,-5), y=(2,1,4) and z=(-2,3,-1) what is the value of (2x+y)·(3y-z)? (dot product question and each letter is a vector)

38. Precal

Prove algebraically that |w+z|

39. psychology

Those who question evolutionary theorists’ ideas about human mating practices believe that evolution may have instilled in us the tendency to select a mate based on: A.wealth and attractiveness. B. attractiveness and youth. C. similarity and proximity.

40. Research Statistics

The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

41. programming

can you write a psedo code to enter daily rainfall values. for the month of april. into an aray and to output maximum ,minimum,and average rainfall values for the month

42. BIOLOGY

A reference calls for the use of "one litre of 0.1 molar acetate buffer pH 5.2” Calculate the amounts of sodium acetate and acetic acid required to make up this buffer, given that for acetic acid Ka = 1.8 x 10-5

44. Math

If I borrow \$26,400 @ 7% interest and make payments of \$300 how much will I have left owing after 19 months.

45. calculus

Determine (6i+2j)· (i-4j+k) This is a dot product question and each letter has the vector symbol

46. math

2 times{(300-90 divided by 5)-[3 times 26-(8-2 times 3

47. fitness

1.The leading cause of death between ages 25 and 44 is A. heart disease. B. malignant neoplasms (cancer). C. unintentional injury. D. chronic low-respiratory disease. 2.Nearly _______ percent of the United States population dies from heart disease, cancer,

48. Algebra

Simplify 5(14-2)²/2