# Questions Asked onDecember 15, 2017

What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the lines involved.

2. ## Physics

A ball thrown by Ginger is moving upward through the air. Which force diagram represents the forces on the ball? You may neglect the effects of air resistance. a) only down force b) only up force c) both forces d) both forces (but down is larger/longer). I

3. ## geometry

Three vertices of a parallelogram WXYZ are X(-2, -3) Y(0, 5) and Z(7, 7). Find the coordinates of vertex W. a (4, 0) b (5, 0) c (9, 15) d (5, -1)

4. ## Alegbra 1

The difference between the measures of two supplementary angles is 8˚. What is the measure of the larger angle? What is the measure of the smaller angle?

5. ## geometry

Two lines intersect at a point. The vertical angles formed are supplementary. What is the measure of each of the angles? So my question is if both angle 1 and 2 must equal 90 degrees each? Im wondering because I know that angle 1 and angle 2 has to equal

6. ## Math

A population with μ = 59 and s = 8 is standardized to create a new distribution with μ = 100 and s = 20. After the transformation, an individual receives a new score of X = 90. The original score for this individual was X = 51. True or False

7. ## Physics

Mark's physics book is on the desk. Mark pushes horizontally (from the side) on the book, but the book does not move. Which force diagram represents the force on the physics book? You may neglect air resistance. a) A box with two arrows, one pointing up

8. ## Math

A tiling company specializes in multi-colour tile patterns. A small hotel is interested in the patterns below for its square shaped reception area. How many dark coloured tiles will there be if the reception area needs an area of 18 x 18.

9. ## Math

The term correlation refers to a statistical technique that is used to ____.​ measure and describe the linear relationship between two variables measure the magnitude of a variable measure the significance of a variable measure the fit of a model

10. ## physical help

a student in your class gets picked on by other students. He says its okay because that means the other students like him. This is an example of? select all that apply 1. a coping strategy 2. a defense mechanism 3. a learned emotion 4. a primary emotion 2.

11. ## Math

A repeated-measures research study comparing two treatments with a set of 10 scores in each treatment will produce a t statistic with df = 19. True or False

1. Write the equation of a line in slope intercept form that is parallel to y = 3x - 2 and passes through the point (-2, 1) y = -3x-5? 2. Write the equation of the line that passes through (2, 1) and is perpendicular to 5x + y = 9. x + 5y = 3?

13. ## Math

A set of X and Y scores has SSX = 20, SSY = 10, and SP = 40. What is the slope for the regression equation?​ 4.0 2.0 0.25 0.50

14. ## Math

A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for predicting Y from X?​ 10/30 10/40 40/10 30/10

15. ## History

How did the French and Indian War contribute to new taxation policies in the American colonies? A).The British government attempted to force the American colonies to pay for the Seven Years’ War through taxation. B.)The French government imposed higher

16. ## MATH

The volume of a cylinder with a radius of 2 feet and a height of 4 feet is 50.2 feet^3. The volume of a cylinder with a radius of 4 feet and a height of 8 feet is 401.9 feet^3. The volume of a cylinder with a radius of 6 feet and a height of 12 feet is

17. ## math

find the reciprocal of 9/11

18. ## Chemistry

How can the atomic orbital be described in the quantum mechanical wave model of the orbitals? A. A collection of balloons B. A circular ring C. A probability density thinking its a, since the model has a complex shape, but not sure... any help?

19. ## Algebra II

Write the equation in logarithmic form. n^4/3=m Can someone explain how to do this?

20. ## Math

The distance between the Y value in the data and the Y value predicted from the regression equation is known as the residual. What is the value for the sum of the squared residuals?​ SSresidual = r2(SSX) SSresidual = (1 – r2)(SSX) SSresidual = r2(SSY)

21. ## Math

A repeated-measures study and an independent-measures study both produce t statistics with df = 20. The independent-measures study used more participants. True or False

22. ## Math

One method for correcting the bias in the standard error is to “pool” the two sample variances using a procedure that allows the bigger sample to carry more weight in determining the final value of the variance. True or false

23. ## ENGLISH

which of the following sentences contains an action verb A This apple tastes funny B It seemed OK at first C I spit it out in the trash D It might be rotten

24. ## Language

which of the following text aids or features is used to organize information within an informal text? please help me!!!

25. ## Math

Describe the relationship you would expect between the data. Explain. 1. time since a train's departure and the distance to its destination. 2. number of toppings on a pizza and the price of the pizza.

26. ## Social Studies

Alexander Hamilton favored a strong federal government because he believed it would benefit the economy. As a result of this belief, he also supported-- A. the abolishment of all tariffs B. the establishment of a national bank C. Increasing the

27. ## Algebra 2/ Intermediate

Solve log4(x-6)= -1

28. ## Math Help

The following table shows the price charged by a local courier company to collect and deliver packages. # of packages Cost (\$) 1 15 2 17 3 19 What is the cost to have b packages collected and delivered? Extend the pattern to find the cost of 8 packages

Which of the following passages from The Cay best indicates that Phillip will manage to survive without Timothy? But the two small bars of chocolate that we had been saving for a “feast,” were ruined. I’d found one lone coconut in a mass of sea grape

30. ## Physics

As the distance between two masses increases, the gravitational force of attraction between them A. decreases*** B. increases C. remains the same Is this correct?

31. ## Math

Use the slopes to determine if the line between the points (3, 5) and (-2, 7) is parallel, perpendicular or neither to a line that passes through the points (10,5) and (6, 15) a) Parallel b) Perpendicular c) Neither

26. a. Show that the ratios Start Fraction 10 over 20 End Fraction and Start Fraction 30 over 60 End Fraction form a proportion by finding a common multiplier. b. Show that the ratios in part (a) are equal by writing them in simplest form.

33. ## Alegbra 1

On the first test the mean of the girlsâ€™ scores was 80 and the mean of the boyâ€™s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means) On the second test, the class mean was 80 and the mean

34. ## english

Which of the following is NOT a form of informational text? a. a history textbook b. a news app on your smartphone c. a brochure at the doctor's office d. a graphic novel

35. ## Mathe

The radius of a circle is 8centemetre and the length of one of its chords is 12centemetre.find the distance of the chord from the centre.

36. ## math

how to solve for 3loga(2x+1)-2loga(2x-1)

37. ## Chemistry

The question reads, "A spaceship is found to have a tiny leak that allows the effusion of air into space. Air in the spaceship is a mixture of nitrogen (N2), oxygen (O2), argon (Ar), and trace amounts of other gases. Predict how the percentages of the

38. ## history

How revolutionary was the scientific revolution? Provide at least three examples as evidence to support your opinion

39. ## Math

I spent \$24 on a present for my sister. This was three fourths of all the money I had in my wallet. How much money did I have before I bought the present? I need help

40. ## Should be the last one

4 + 3(10 - 2^3) A)8 B)10 C)11**** D)12

41. ## Math Help

Plssss help mee input Output 1 9 2 12 3 15 Is the relationship linear? Why or why not?

42. ## Algebra 2

Domain of ln(-8-x) in interval notation. (- infinity , -8)?

43. ## Math

For a population with a standard deviation of s = 12, a z-score of z = +0.50 corresponds to a score that is above the mean by 6 points.​ True or False

what is 4+6+12+3=^8+?4+5= is this to much of a problem?

asked by rin okurmura ( long time no see guys :D )
45. ## Math

ok I got the first parts........I think: 2(5/3+3/4)-4/3 =2(1 2/3+3/4)-4/3 =2 (1 8/12+9/12)-4/3 =2(2 5/12)-4/3 Help plz I'm officially stuck........

46. ## math

(3x^3+ 5x^2– 11x + 3) ÷ (x + 3) – (x + 2)(3x – 5) is the answer -5x+11?

47. ## standard error and graphing

I have find the standard error for my data. I have three pieces of data and all of them are 25. What would my standard error be?

48. ## history

Who were the influential figures in the Renaissance and Scientific Revolution, and how did they shape a new worldview?

49. ## Math

A person spends One-fourth of her income for board, one-twelfth for clothes and one-half for other expenses, and saves \$10,000. What is her income?

why do you think Pythagorean theorem uses squares instead of other similar figures to express the relationship between the lengths of the sides in a right triangle

51. ## Math

I am a three digit number. My hundreds digit is the square of my ones digit. My tens digit is the product of my hundreds digit and my ones digit. What number(s) could I be?

52. ## Math

So I already made a scatter plot for this data and talked about trends and negative or positive correlations but I have no clue what this question is asking This is about average gas prices from 2005-2015 2005 - \$2.27 2006 - \$2.57 2007 - \$2.80 2008 - \$3.25

53. ## statistics

You have been asked to do a survey of student satisfaction with MyMathLab courses at South University. Describe how you would obtain a sample of these types: stratified and simple random.

54. ## Art!

What are some similarities between Baroque and Renaissance art?

55. ## Science

1kg of water contained in a metal container is heated with 1me immersion heaterif the temperature roses from 25c to 45c in 100s what is the average rate of heat loss to the surroundings from the container during this time?

56. ## physics

a car of mass 1200 kg starts from rest, accelerates uniformly to a speed 4ms-1 in 2 seconds and continues moving at this constant speed in a horizontal straight line for additional 10s. the brakes are then applied and the car is brought to rest in 4s. a

57. ## physics

A long time after the switch is closed, what is the current in the circuit? A long time after the switch is closed, what is the current in the circuit? - unanswered Check your answer Save your answer You have used 0 of 3 submissions #11B (3 points

Write a word problem that can be represented by the following equation: 4 – x = 12.

59. ## Alegbra 1

The two equal sides of an isosceles triangle are 11 feet longer than the third side. The perimeter of this triangle is 56 feet. What is the length of the third (nonequal) side

60. ## Alegbra 1

Mrs. Gifford's class consists of 15 girls and 25 boys. On the first test the mean of the girls’ scores was 80 and the mean of the boy’s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means)

61. ## Alegbra

On the second test, the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?

63. ## Science Help. :)

Describe the flow of blood in the human body, including through each of the four chambers of the heart.Explain how the blood changed as it moves through various locations in the body. Please, Don't Give me answers just explain :) Thank you

64. ## Math

Sonali complete her homework iny5/6 of an hour and priya in 3/4 of an hour.who was faster?

65. ## statistics

Please help. I have no idea how to do thisA cereal manufacturer seeks to test their newest product against a competitor’s. A group of 100 children was asked to evaluate each brand, and then to express a preference. To guard against bias, neither the