# Questions Asked onMay 22, 2020

1. ## History

Before 1500 A.D., the area of land that is today known as the United States was inhabited by Native Americans. They often settled in geographic regions for the same reasons as European and Asian immigrants. What is the reason people most likely settled

2. ## Math

The volume of water in a resevoir decreases 21,000 cubic yards over a 3-month period. What is the average change in volume per month?

3. ## Maths

Annie drives between two towns at an average speed of 40 mph. Tariq drives between the same two towns on the same route at an average speed of 25 mph. Annie leaves the first town at 9 am and arrives at the second town at 10:30 am. If Tariq sets off at the

4. ## English

Am I right? Which sentence is written correctly? Add a little butter to the pan--you could use olive oil as a substitute, if you like--. Add a little butter to the pan, you could use olive oil as a substitute, if you like. Add a little butter to the pan

5. ## chemistry

1) A gas has a pressure of 3 atm when the temperature is 25C, what is the new pressure when the temperature is raised to 50C? (make sure temp is in K) - round answer to hundredths place 2) Neon at 2 atm and 273K has a volume of 10L. What is the new

6. ## English

Anyone know the answer to this about Romeo and Juliet Act 4? I read through the script and couldn't find Friar Lawrence talking about his plan for Romeo and Juliet after she wakes up besides them going to Mantua, but that's not an answer option. Friar

7. ## physics

An elastic string of length 20cm extends to 24cm. When it supports a weight of 50N, the energy stored in the string is

8. ## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.06x^2 + 9.6x + 5.4 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of

9. ## Math

A golden rectangle has a length of 10 cm. The ratio of its length to its width is (1 + sqrt 5)/2 what is the width of the rectangle in simplified radical form? I need to know the formula to solve other problems like this.

10. ## math

A line segment starts at P(4,-7) and ends at Q(2,3). Find the parametric equations of the line segment.

11. ## math

which expression represents the perimeter of the model shown below? 4x+3 2x A)2x+3x+4x B)2(2x)+2(4x+3) C)2x(4x+3) D)2x(2x+4x+3 please help

12. ## Algebra

what are the solutions to the equation z^2 - 6z - 27 = 0 there are two solutions, and the options available are 3, -3, 9, and -9

13. ## English

Read the passage "the banjo seeds" which statement from the passage is most likely fact rather than fiction. I need help and please don't delete this again......

14. ## Math

solve the equation by completing the square round to da nearest hundred if nessesary. x^2 + 10x = 18 A -11.56, 1.56 B 11.56, 1.56 C -11.56, - 1.56 my answer D 11.56, -1.56 solve the equation by completing the square x^2 + 9x -14 = 0 A 10.35, 1.35 Meh

15. ## Geometry

A speed skating track has a perimeter of 400m. Determine the straightaway length of the track. * the width of the track is 50m* Please help . Thank you for your time

16. ## Maths

The new dimensions are 11 times the original dimensions, and the new surface area is 121 times the original surface area. The increase in surface area is___%.

17. ## Math

which is equivalent to this expression -4(-3x)+5(-7)

18. ## algebra

How many real number solutions does this equation have? 0= 5x^2 +2x - 12 one, two none, or infinite How many real number solutions does this equation have? 0= 2x^3 - 20x + 50

19. ## Algebra

find the solutions to the system y= x^2 + 8x +2 y= 7x +4 A (-2,-10) and (1,11) B (2,10) and (-1,-11) my answer C (-2, -34) and (1,11) D No solutions.

20. ## math

A jeweler has three solid gold cylinders with radii 2.0 millimeters, 3.0 millimeters, and 4.0 millimeters. Each cylinder has a height of 10.0 millimeters. If the jeweler melts the cylinders down to make a solid prism with a square base of length 5.0

21. ## math

A horse pasture is formed by a large semi-circular grassy area and a triangular-shaped riding area. The base of the riding area is 50 feet and it extends to a height of 75 feet. What is the total area of the pasture if the height of the riding area equals

22. ## mathematics

A swimsuit that cost \$ 25 was on sale for 20% off. Ashley calculated the discounted price this way : \$25-\$20 = \$5 what went wrong? find the correct discounted price.

23. ## Science

Liquid water boils at 100 degrees C. In other words, this is the temperature at which the thermal energy between two molecules of water overcomes the interaction energy. Given this, what is the interaction energy (Uint) of liquid water?

24. ## math

a system of equations consisting of a linear equation and a quadratic equation ______ has two solution Always, sometimes, or never

25. ## Algebra 2

What is the 68th term of the sequence 7, -2, -11, -20,...?

26. ## algebra

In 2016, country A has a population of 20,672,987 and growth of 3.81%. In 2016 country B has a population of 185,989,640 and has a growth of 2.58% If the population growth doesn't change, what year will they have the same population, and how large is it?

27. ## Algebra

which of the following functions has a rate of change that stays the same??/ A y= -4x + 10 B y= 1/2 x^2 C y= 3^x D y= x^2 + 2

28. ## Algebra

A catapult launches a boulder with an upward velocity of 92 ft/s. The height of the boulder, h, in feet after t seconds is given by the function h=-16t^2+92t+30. How long Does it take the boulder to reach it’s maximum height? What is the boulders maximum

29. ## Chemistry

In order , increasing atomic size :Na,F,P,Ca ?

30. ## Statistics

Applying what you have learned.... When politicians make claims that we need to spend a large amount of money to achieve a goal, the claim is often made without legitimate evidence to support a claim that a given program will have a particular result.

31. ## mathematics

r=6+3sin(theta) convert to rectangular coordinates

32. ## Chemistry

What are the similarities and differences of "Electrogravimetry without potential control" and "potentiostatic gravimetry"

33. ## Algebra

what are the solutions to the equation 2x^2 = 2

34. ## solar energy

Which of the following variables does NOT affect the economic payback period of a PV system? Insolation received by the PV system Subsidies and feed-in tariffs Cost of electricity Overall lifetime of the PV system

35. ## English

Which word or phrase in the sentence is not used correctly? The man’s heart attack scared him badly and he decided having a regular check-up from then on. A. Having B. Man’s C. Badly D. From

36. ## Mathematics

2/5 of a number is 10 what is the number

37. ## History

Which Texas organization best illustrates the state's post-World War 2 change from an oil company to a diversified economy? a. Apple Inc. b. JPMorgan Chase &Co. c. Texas Instruments d. Whole Foods.

38. ## Math

ogla ran 5 km in 37 minutes. which could Ogle use to determine and the number of minutes she would take to run 25 minutes at this rate?

39. ## math

Can a system of two linear equations have exactly two solutions?

40. ## science

Wind blows at the speed of 30m/s across a 175m^2 flat roof if a house. what is the pressure difference between inside the house and the outside of the house just above the roof? (assume the air pressure inside the house is atmospheric pressure) ​ what is

41. ## mathematics

Alicia’s gross monthly pay is \$1,700. Alicia pays 1.25% of her monthly salary for Medicare. How much does she pay?

42. ## math

Suppose you find that two linear equations are true when x = -2 and y = 3. What can you conclude about the graphs of the equations?

43. ## Science

Describe a specific traditional structure, built somewhere in the world, whose design was influence by culture

44. ## Science

A farmer bought a 50kg of fertilizer with an inscription NPK 15:15:15. (a) what is the name of the fertilizer? (b) name 3 nutrients the fertilizer can supply to the soil. (c) what is the percentage of the actual nutrients in the 50kg bag of the fertilizer?

45. ## math

A line segment starts at P(4,7) and ends at Q(2,-3). Find the parametric equations of the line segment.

46. ## trigonometry

Bobby is 72 inches tall. Given the figure below, which expression represents the angle of elevation of the sun from the ground when Bobby's shadow is 112 inches long? *

47. ## Science

The energy from the Sun that reaches Earth is the result of which of the following processes, repeated many times in the core of the Sun? A) The nuclei of two atoms are combined to form a single atom with a larger nucleus. B) Molecules are rearranged to

48. ## physiology

explain neurophysiological properties of skeletal muscle tissue in response to immobilization and stretch.

49. ## Algebra

Solve exactly: lg(lg(x))=(−1) (lg not log for these)

50. ## Algebra

What is the sum of the geometric series 20 + 21 + 22 + 23 + 24 + … + 29?

51. ## Physics

1.Which class lever will never give you a mechanical advantage? 2.Which class lever will always give you a mechanical advantage? 3.List the 3 things that are required to do work. Please help My answer: 1. Class 1? 2. Class 2? 3. I don't know.

52. ## mathematics

The sum of two numbers subtracted from twice the sum of those numbers

53. ## geometry

What is the volume, in cubic in, of a rectangular prism with a height of 17in, a width of 17in, and a length of 4in?

54. ## chemistry

A 0.12-mole sample of nitrogen gas occupies a volume of 2.05 L What is the volume of 0.31 mol of nitrogen gas under the same conditions?

55. ## chemistry

Is 3Fe + 2O2 → Fe3O4 ΔH = -1120.5kJ an exothermic or endothermic equation

56. ## Mathematics

A bucket full of water is in the form of a Frustum of a cone. The bottom and top radii of the Frustum are 18cm and 28cm respectively and the vertical depth is 30cm. Calculate the curved surface area, total surface area and volume of the Frustum

57. ## algebra

The WTO was established on Jan 1, 1995. In july 2008, 153 countries were members of the organization representing 95% of the total world trade. If this rate continued, what year does the WTO rate actually represent 100%?

58. ## English

Which statement best describes purchases made with a credit card? A. Purchases made with this card are withdrawn directly from a bank account. B. Purchases made with this card require a PIN number. C. If you don’t record your purchases, you may have to

59. ## Algebra

How many mL of PURE water must be added to 60mL of 20% salt solution to make 12% salt solution?

60. ## Social Studies

The Draft in the North The Draft in the South • established in March 1863 • established in April 1862 • applied to white men aged 20 to 45 • applied to white men aged 18 to 35 (later expanded to men aged 17 to 50) • avoidable by paying the

61. ## Science

When does H2O absorb heat without changing temperature? a)When it is ice (in its solid phase) b)When it is melting c)When it is water (in its liquid phase) d)When it is boiling c)When it is steam (in its vapor phase) My Answer: B, D