# Questions Asked onJanuary 7, 2017

1. ## Math

Saeed bought 21 1/2 lb. of ground beef. He used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. How many burgers did he make

2. ## Algebra 2

The dimensions in inches of a shipping box can be expressed as width x, length x + 1, and height x - 4. The volume is 84 ft^3. Find the dimensions of the box in feet. 1, 1, 4 2, 2, 21 2, 6, 7 3, 4, 7 Please help? If somebody can help put this into an

3. ## Math

You spin the spinner once (1-6) and roll a number cube (1-6) once. Find the probability that the spinner stops on the same number that you roll with the number cube.

4. ## algebra

Solve by completing the square;round to the nearest hundredth if necessary. x^2-3x=4 Thanks so much.

5. ## Physics

A student eats a dinner containing 8.0x10 raised to power 6j of energy. He wishes to do an equivalent amount of work in a nearby gym by lifting a 60kg object. How many times must he raise the object to expand this much energy? Assume that he raises it a

6. ## Algebra2

What is the simplest form of the quotient? ^4√810/^4√2

7. ## physics

a runner in marathon passes the 5 mile mark at 1 o'clock and the 20 mile mark at 3 o'clock .what is the runners average speed during this time period?

8. ## Math

Translate this phrase into an algebraic expression. 49 decreased by twice Vanessa's savings Use the variable v to represent Vanessa's savings.

9. ## Math

In a right triangle JKL, angle KJL measures 60 degrees. When drawn, the angle bisectors of angle JKL and LJK intersect at point M. What is the obtuse angle JMK

10. ## Math

A rectangular football field, including both end zones, is 120 yards long. The field has an area of 57,600 ft.². What is the width of the field in feet.

11. ## Physics

The engineer of a passenger train moving at 29.0 m/s sees a freight train 360.m ahead on the track moving at 6.00 m/s. The engineer takes 0.400 seconds to react, and then applies the brakes. At what rate must the passenger train then decelerate in order to

12. ## algebra

Use square roots to solve these equations. Round to the nearest hundredth if necessary. 5x^2 + 536 = 651. Also,problem 2: 3z^2 + 52 = -56

13. ## History

How did World War II change the population of Arizona?

14. ## physics

A passengers jet flies from one airport to another 1,200 miles away in 2.5h .Find its average speed.

15. ## us history

Daniel Webster was an outspoken advocate of which group?

16. ## Science Chemistry

LIST: Sodium carbonate. Calcium carbonate. Zinc sulfate. Zinc nitrate. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by a precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

17. ## Maths

A right circular cone of base radius 5 cm and depth 20 cm is held with its vertex downwards. If water is leaking through a small hole in the vertex at the rate of 8 cm^3/s, find the rate of change of the water level in the cone when the radius of the water

18. ## Physics

A 55kg person pushes on the floor with 800 N of force for 0.25 seconds. How high do they jump off the ground? I know how to find acceleration but I can't find distance.

19. ## law

In a one-page paper, define each concept below and compose a sentence or two that describes how the concept is used and relates to Health Information Management (HIM). Be sure to use your own words. Discovery Spoliation Stare decisis Tort law Jurisdiction

20. ## Physics

An empty bottle weighs 20g and 60g when filled completely with water.What will it weigh when filled completely with mercury? 20÷60=0.3

21. ## Algebra 8th

For each sequence defined recursively, write the first few terms. Then use the terms to write an explicit equation. a(1)=17 a(n+1)=a(n)-3 And a(1) =20. a(n+1)=1/2*a(n)

22. ## algebra

Completely factor: 3j^3 -51j^2 +210j Thank you very much.

23. ## algebra

please show this exact problem completely factored: w^2 -15w +54 . I appreciate your help.

24. ## physics

How far does a car going 25 m/s travel in 5s ? How far would a jet going 250 m/s travel in 5s?

25. ## Science Chemistry

LIST: SODIUM CARBONATE. CALCIUM CARBONATE. ZINC SULFATE. ZINC NITRATE. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

26. ## math

The no of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a book store donated 300 books in June - Find the no of books in library before it bought new books in May

27. ## Science Chemistry

LIST: SODIUM CARBONATE. CALCIUM CARBONATE. ZINC SULFATE. ZINC NITRATE. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

28. ## stiochemetry

what mass of silver nitrate is needed to prepare 100cm3 of silver nitrate solution, concentration 0.2mol/dm3? the mass of one mole of silver nitrate is 170g

29. ## math

The angle of an elevation of the top of a radio mart from a point 53meter from its base on ground level is 61degrees ,find the height of the mart to the nearest whole number.

30. ## math

If i buy an annual coupon bond with a coupon rate of 7% for \$875.00. the bond will mature in 10 years to maturity. What rate of return do you expect to earn ?

31. ## science

what mass of silver(1)nitrate is needed to prepare 100cm3 of silver(1)nitrate solution,concentration 0.2mol/dm3? the mass of one mole of silver nitrate is 170g please help me with this question

32. ## algebra

For Beth to get an A in her Spanish course she must earn a total of 360 points in 4 test each worth 100 points. If she got scores of 87, 96 and 91 on the first 3 test, determine using an inequality those scores she could make on the fourth test to get an

33. ## algebra

Completely factor : 45g^2 + 12g -9 Thank you

34. ## Math

Mrs. Beck paid a total of \$34 for 4 identical bowls and 2 identical plates. A bowl cost \$4 more than a plate. How much did she pay for each bowl?

35. ## chemistry

Calculate the maximum number of unpaired electrons that can be placed in a 6d subshell

36. ## English

Help me write a hyperbole poem

37. ## maths

A road 100m long and 20m wide to be paved with bricks. Each measuring by 25cm by 10cm. Find the no. Of bricks?

38. ## Math

The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?

39. ## Physics

An alloy of iron and silver has a total mass of 30 grams and a volume of 20.4 centimetre cube Calculate the mass of iron only and the volume silver only Please help

40. ## Math

Natalie had some marbles. She gave 1/3 of them to her brother, who kept 12 marbles for himself and gave the rest to 5 friends. If each friend received 7 marbles, how many marbles did Natalie have at first? solve

41. ## algebra

Completely factor : w^2 - 15w + 54 Thank you.

42. ## Algebra2

Find all of the real square roots of -9/16.

43. ## math

In an election there were 2 candidates the winner poled 53% votes and won by 9600 votes find total number of votes

44. ## math

A market research company conducted a survey to find the level of affluence in a city. They defined the category "affluence" for males earning \$100,000 or more annually and for females earning \$80,000 or more annually. Out of 267 persons who replied to

45. ## Math

The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?

46. ## Louisiana History

1. What is the primary role of the attorney general? A. Manages the state's money. B. Provides opinions on questions of law. C. Serves as the chief election officer for Louisiana **** D. Defends the Great Seal of the state of Louisiana.

47. ## Physics

A piece of metal of volume 250 cetimetre cube floats in water when 85 percent of it's volume is under water.Calculate the upthrust on the metal. 250*85=21250

48. ## Algebra 1

Assuming p>0, what is the positive root of x^2 - 2px - 8p^2 = 0, in terms of p?

49. ## Physical science

Determine the centripetal acceleration of an automobile making a tight turn that has a radius of 256 m, if the is traveling at a velocity of 25.0 m/s as it turns.

50. ## Economy (Need help understanding this!

Ben used to sell imported silk ties for \$20 each in his store. His sales averaged 30 ties a week. He pays \$12 to buy the ties he sells. Ben wondered if he could increase his profit by raising his price to \$25. He tried this for a month, but his sales fell

51. ## Math

If a hen and a half can lay an egg and a half in a day and a half, how long will three hens take to lay twelve eggs?

52. ## Math

At a garage sale, Zoe spent \$60 on 1 hat and 2 pairs of shoes.If she spent \$9 more on each pair of shoes than on the hat, how much did Zoe spend on the shoes?

53. ## CHEMISTRY

A 70g sample of iron ore(Fe2O3) was analyzed for Iron and found to contain 1700 Fe. Calculate the percentage of iron in the sample.

54. ## chemistry

2Na + 2H2O---> 2NaOH + H2 Need to find the molecules of H2 Atomic wt o Na = 23 48.7 g of Na 48.71/23 = 2.12 mols Na 2.12/2 × 24. (WHERE DOES THE 24 COME FROM) = 25.44 dm^3 H. (PLEASE EXPLAIN THIS PART) = 1.06moles 1.06mols× 6.02×10^23 avagados number=

the state government of sindland is going to bring some changes. They are bringing a change in human right issue. They want to secure sindland state ecologically. They want safeguard their existing freshwater resource. In addition they want to secure its

56. ## math

"Colin worked 1 and 1/6 hours on his homework. about how long did he spend on his homeowrk?

57. ## math

With 300 dollars one will have to buy total 30 items. If price of a exercise book is 30 dollars, price of pen is 24 dollars and price of a pencil is 6 dollars, and if that person is bound to buy at least one of each item, how many exercise books, how many

58. ## socialstudies

what did the term barter have to do with the chinook tribe

59. ## Physical science

What was Jack's speed from 5 sec to 10 sec

wildcards

61. ## Math

A group of ten people were planning to chip in equallyto buy several pizzas. After the pizzas were ordered, one person left. As a result, each of the remaining nine people had to pay an extra 60 cents. How much was the total bill?

62. ## Math

A certain restaurant has exactly 19 tables. Some of these tables are larger tables that can seat 6 people and the others are smaller tables that can seat just 4 people. If a total of 90 people can be seated at this restaurant, how many of the tables must

63. ## Algebra 1

Combine the following into a single expression of the form a x sqrt b. Sqrt 6 + Sqrt 54 + Sqrt 150

64. ## Science

What is the effect on molarity for NaOH when balance used to weigh KHP is not properly calibrated and always reads 0.15 g too low.

65. ## Algebra

If a hen and a half lay an egg and a half a day and a half, then how long will three hens take to lay 12 eggs??????

66. ## Algebra 1

Simplify: (X^2 - 9)(7x + 21) / (x- 3)(x^2 + 6x + 9) =

67. ## bio

The human egg cell above is magnified using a 10´ ocular lens and a 40´ high power objective lens. (a) Calculate the overall magnification. (b) If the field of view at high-power magnification is 400 mm, calculate the size of the field of view when the

68. ## Math

To begin with the amount of lemonade in a jug was 5 times the amount in a cup. Another 15th was then poured into each if the containers.The amount of lemonade in the jug was then 3 times the amount in the cup. How much lemonade was in the jug to begin

69. ## Math

How many different 3-digit numbers can be formed from the number 1,2 and 3 if the digits do not repeat in the numbers?

70. ## math

how many stemps that 1.5*1.5 will fit on pieces of paper that 9*12 inch?