# DRAKE

Popular questions and responses by DRAKE
1. ## Chemistry

Help writing complete ionic and net ionic equations.? Hg2(NO3)2 (aq) + CuSO4 ---> Cu(NO3)2 (aq) + Hg2SO4 (s) K2CO3 (aq) + MgI2 --> MgCO3 (s) + 2KI 3 NaCrO4 (aq) +2 AlBr3 ---> Al2(CrO4)3 (s) + 6NaBr i got down writing the formula equation but i would like

2. ## physic

A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and de- termine the bobsled’s speed at the bottom of the hill. Answer

3. ## Micro Economics

Resources are being used efficiently when 1. scarcity is not longer an issue 2. they are also used equitably 3. every opportunity to make people better off has been utilized 4. there are still gains from trade available

4. ## Peartree Elementary

There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?

5. ## Physics

A concave mirror has a focal length f = 200 [cm]. The mirror is lying flat on the floor. You take a ball and align it with the center (vertex point) of the mirror. Then at time (t=0) you release the ball from a height h = 5 [m]. (a) The ball falls and hits

6. ## SCIENCE

why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?

7. ## Algebra

Write an equation of a circle with the given center and radius. center (-7, -6) and radius 2. A. (x+7)^2+(y+6)^2=4 B. (x-7)^2+(y-6)^2=2 C. (x+7)^2+(y+6)^2=2 D. (x-7)^2+(y-6)^2=4

8. ## math

As viewed from above, a swimming pool has the shape of the ellipse (x^2)/4900+(y^2)/2500=1, where x and y are measured in feet. The cross sections perpendicular to the x-axis are squares. Find the total volume of the pool.

10. ## Math (Triangles - (Angle of Elevation)

A television antenna is situated atop a hill. From a point 200 m from the base of the hill, the angle of elevation of the top of the antenna is 80°. The angle of elevation of the antenna from the same point is 75°. How tall is the antenna?

11. ## Algebra

Use synthetic division and the Remainder Theorem to find P(-5) if P(x) = -x^3 - 4x^2 + x - 2. Please help....?

12. ## Calculus

R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find

suppose you used the rule (3x+1,3y-4) to transform the original figure into a new figure. Would the new figure be similar to the original? Explain. I NEED HELP ASAP PLEASE!!! HELP. Thanks.

14. ## Math

((x)(x))/(3-x) = 1.8x10^-5 how do I solve for x

15. ## Math

nine kids and two adults are going to the circus. kids tickets are on sale for only half the price of adult tickets. the total cost was \$72. how much is one kids ticket. how much is one adult ticket

16. ## Chemistry

Calculate mass of iron in tablet by spectroscopy? I have to calculate the mass of iron in a tablet..The manufacturers claim it contains 60 mg elemental iron. background info: The tablet was crushed and dissolved in 25ml of 6M Hcl, filtered and added to a

17. ## Physical science

What is the gravitational potential energy of a 5kg object resting 3m above the ground?

18. ## computer science

What is the binary representation of the following hexadecimal number? What are the decimal numbers they represent when interpreted as undesigned integers. (a) F4 (b) 9F

19. ## Math

Infinity sigma n=1 (x-8)^n / n(-5)^n Find the interval of convergence

20. ## Physics

A race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip over the same track is made in 23.0 s. (a) What is the average velocity of the car in m/s for the first leg of the run?

21. ## Math (Triangles)

The vertex angle of an isosceles triangle is 40°20'. Each of the leg measures 320 mm. Find the length of the base.

22. ## Trigonometry

A crow is on the ground 80 feet from the base of a 45 foot tall tree. It then flies straight throught the air to the top of the tree. What is the angle of the crow's flight path relative to the ground ?

23. ## math

1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What is the product of (7.28 x 10^-2) x (9.1 x 10^-2)? a. 6.6248 x 10^-3 b. 66.248 x 10^-4 c. 6.6248 x 10^4 d. 66.248 x 10^-3 3. What

24. ## Math

Find all the vectors that are perpendicular to (1,4,4,1) and (2,9,8,2).

25. ## plz help ms sue

1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What is the product of (7.28 x 10^-2) x (9.1 x 10^-2)? a. 6.6248 x 10^-3 b. 66.248 x 10^-4 c. 6.6248 x 10^4 d. 66.248 x 10^-3 3. What

26. ## Math

Ava made 100 paper cranes, and Brittany made34of the number of paper cranes Ava made. Ava gave920of her paper cranes to Brittany. Then, Brittany gave14of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?

27. ## Physics

A 0.8 m diameter tank is filled with water to a depth of 2.2 m and is open to the atmosphere at the top. The water drains through a 1.0 cm diameter pipe at the bottom; that pipe then joins a 1.5 cm diameter pipe open to the atmosphere, as shown in Fig.

28. ## Physics

Figure 18-46 shows a hydraulic lift operated by pumping fluid into the hydraulic system. The large cylinder is 40 cm in diameter, while the small tube leaving the pump is 1.7 cm in diameter. A total load of 2500 kg is raised 2.2 m at a constant rate.

29. ## Math - Vectors

Let the points A = (−1, −2, 0), B = (−2, 0, −1), C = (0, −1, −1) be the vertices of a triangle. (a) Write down the vectors u=AB (vector), v=BC(vector) and w=AC(vector) (b) Find a vector n that is orthogonal to both u and v. (c) Find a

30. ## Intermediate Accounting I

On January 1, 2007, the Accumulated Depreciation-Machinery account of a particular company showed a balance of \$370,000. At the end of 2007, after the adjusting entries were posted, it showed a balance of \$395,000. During 2007, one of the machines which

31. ## MATH

tobis,marcus,and dominic rode their bicycles to the arcade. tobis rode 12/5 miles, marcus rode 2 1/3 miles and dominic rode 9/4 miles. Which person rode closest to 2 miles?

32. ## Math - sets

Suppose A, B, and C are sets. In at least one of the following situations, one can conclude that A = B. Identify those cases where this conclusion does apply. (i) A ∪ C = B ∪ C A={1,2},A={1,2}, B={2,3}B={2,3} and C={1,2,3}.C={1,2,3}. It is

33. ## Math

Beth's car has a gas tank that can hold 15 gallons of gas. Her car uses 1/30 of a gallon of gas per mile driven. Darcy's car has a gas tank that can hold 16 gallons of gas. His car uses 1/25 of a gallon of gas per mile driven. Both cars start with full

34. ## physics

A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.

35. ## math

One day a third of the class is absent and 16 children are present. How many children are in the class when no one is away?

36. ## Phsics

A man weighs 772 N on Earth. What would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2? The acceleration of gravity is 9.8 m/s2 . Answer in units of N

37. ## Physics

PhysicsA race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip over the same track is made in 23.0 s. (a) What is the average velocity of the car in m/s for the first leg of the run? 41.94

38. ## math

bob bender needs to buy fertilizer and fencing for his vegetable garden.his square garden measures 10 feet on each side.the directions say that each bag of fertilizer will cover 50 square feet of soil.how many bags of fertilizer will he need to buy?How

39. ## Math - system of eqns

Consider the system of equations: x1 + x2 + x3 = 6, −x1 − 2x2 + 3x3 = 1, 3x1 − 4x2 + 4x3 = 5. (a) Write down the augmented matrix for this system (b) Use elementary row operations to reduced the augmented matrix to reduced row-ecehelon form FOR A:

40. ## project Manangement

Think of a recently completed group project that you have been involved in. This project may have been a student project, a group project, or an extracurricular project. Briefly describe the situation and choose one of the following to post on the

41. ## Math: Compass Bearings

two people start walking from the same point. Person A walks due east for 3.5 km and the person B walks in the direction 123 degrees until they are due south of person A. How far did the second person walk?

42. ## math

Sara bought a tomato plant for her garden. initially it is 5 centimetres tall, and it grows at a rate of 3 centimetres per week Write an equation

43. ## Math

What times on a clock form an acute angle.. 2:00 6:40 1:30 12:50?

44. ## MAth

In triangle PQR,

45. ## Math

In triangle PQR,

46. ## math

14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places

I have answer all question but i'm quiet understanding of centralization and decentralization. Here is the website that i chose Barry Callebaut -barry-callebaut After reading the profile i think the company is part of both but don't understand which side

14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places

How does one go about selecting a country because i'm clueless when it come to anything about business/political international in order to answer these question I was thinking Africa but not sure if that's a good country? Select a company and country that

50. ## project management

reasons why scheduling is an important task

51. ## Math (Algebra)

Consider the graph of the quadratic function y=ax^2+bx+c. If it passes through two points P=(6,0) and Q=(14,0), and its vertex is on the line y=−16x, what is the value of a+b+c?

52. ## SCIENCE

why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?

53. ## Math

We have this thing called MAT and we have to do a survey this week. What's your favorite type of music? Pop Hip hop Rap Rock Depressing Songs Heavy Metal

54. ## Trigonometry

Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30 dgrees and 60 dgrees respectively. If the height of the building is known to be h equals 60 m, find the distance (in meters)btween the 2 men.

55. ## math

Can you check if my answer is correct? thanks... Find the equation of the line that passes through the points (-2,1) and (1, -5). m = y2 -y1/x2-x1 = 5-1/ 1-(-2) = 4/1+2 = 4/3

56. ## Social Studies

How does the U.S. Constitutions distribute power through the federal government?

57. ## Biology

Please Explain thoroughly. A cell exists in a solution of 10% salt and has an internal concentration of 90% salt. Draw this scenario. Label its tonicity. Show where water would flow.

58. ## Math

What is the supplement, and compliment of 6x-5. Thanks in advance.

If a is a real number and a cubic equation f(x)=x^3−8x^2+(a+12)x−2a has a repeated root, what is the sum of all the possible values of a?

hancips

61. ## trig

If each leg has length 5 meters, what are the lengths of the other leg and the hypotenuse

62. ## Calculus (Limits)

f(x) is a function differentiable at x=1 and f′(1)=1/13. What is the limit of (x^3 - 1)/f(x) - f(1) as x approaches 1?

63. ## Math (Geometry)

In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

64. ## Math (Algebra)

Find the largest integer N for which N−6 evenly divides N^3−6.

65. ## Chemistry

Ag+2 is generated in a lab. This is an unusual oxidation state for AG. Write the ground state electronic configuration of Ag+2 using the noble gas shortcut.

66. ## Math

In January, the price of a kilogram of potatoes at Supermarket X was \$3.20. In May, a kilogram of the same type of potatoes cost \$2.99. Find the percentage decrease in price. Express your answer correct to 1 decimal place.

67. ## social studies

i have to write a 100 word essay per chapter (7 chapters)and i cant copy it out of the book what do i do/

68. ## Differentiation

If f(x)=(x+1)^2/(2x+1)^3, then f′(1)= −a/b. What is a and b?

69. ## Math (Algebra)

If the function y=(x^2−2x)^2+6x^2−12x has the minimum value b at x=a, what is a−b?

70. ## sci

What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?

71. ## Chem

What is the wavelength (in nm) of an electron with v = 6.0x 105 m/s?

72. ## Math (Algebra)

What is the maximum value of f(f(x)) in the domain 4≤x≤7 for the function f(x)=x^2−10x+22?

73. ## Trigonometry

Let z be a complex number such that z=2(cos8∘+icos82∘). Then z^5 can be expressed as r(sinα∘+icosα∘), where r is a real number and 0≤α≤90. What is the value of r+α?

74. ## Math

There are two points A=(2,0) and B=(4,0) and a moving point P=(t,t) on the xy-plane. If the minimum value of line AP+ line BP is b, what is the value of b^2?

75. ## sci

What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?

76. ## Math

Build a 9-digit numeral write 2 in the hundreds place 5 in the ten thousands place 7 in the millions place 6 in the hundred millions place and 3 in all other places

77. ## math

five times the number increased by thirteen is less than or equal to twice the nummmber decreased by twenty find the solution

If the quadratic equation for x {1+(a+b)^2}x^2−2(2a+2b+1)x+5=0 has real roots, what is the value of a^3+b^3+6ab+a+b?

1. ## Algebra 1

Hey guys use this mathpapa its a math calculator

posted on January 6, 2020
2. ## Geography

lol

posted on November 21, 2019
3. ## Geography

a natural landscape is made up of a collection of landforms, such as mountains,hills,plains and plateaus

posted on November 21, 2019
4. ## physics

correct

posted on July 30, 2019
5. ## life orientation

Y'all will pass with flying colours!

posted on April 29, 2019
6. ## Math

Hello the awnser is 16

posted on April 2, 2019

hmmm idk

posted on October 30, 2018
8. ## math

as it shows the 1/2 and the 3/4 you right away think that you have multiply the to fractions together. Ex: 1 x 3 =3 2 x 4 =8 When you do the math it intern gives you 3/8 for your answer.

posted on October 9, 2018
9. ## science

i too need help

posted on September 21, 2018
10. ## Science

Hehe IDIOTS NOobs CAN GET EPIC LE REKTED

posted on September 10, 2018
11. ## ENGLISH

1.B 2.C 3.A 100% guaranteed

posted on October 5, 2017
12. ## last science check

(Ya Welcome) is right.

posted on March 23, 2017
13. ## math

With a cattle act...m8

posted on December 18, 2016
14. ## Math

420

posted on October 31, 2016
15. ## social subjects

Apalanchee tribe

posted on October 21, 2016
16. ## Science

A) magnesium

posted on October 10, 2016
17. ## Algebra 2

p(x)=x^3+6x^2+5x-12 Describe the end behavior of the function

posted on September 29, 2016
18. ## maths

Using non-trick solutions; There is no solution to this question using normal methods, as three odd numbers added together will always produce an odd number ( Is it possible for an odd number of odd numbers to be added together to create an even number? ).

posted on September 4, 2016
19. ## Math - sets

posted on September 4, 2016
20. ## Math - system of eqns

How did you get that though

posted on June 1, 2016
21. ## math

Ubuntu

posted on November 11, 2015
22. ## physics

which one is the answer..? #trustissues

posted on October 6, 2015