# Questions Asked onFebruary 25, 2017

1. ## High School Geometry

In isosceles ΔABC, AC = BC, AB = 6 in, CD ⊥ AB , and CD =√ 3 in. Find the perimeter of the isosceles triangle. Can u plz put answer and equation thanks, :)

2. ## Math

Find the $2 \times 2$ matrix $\bold{A}$ such that $\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2 \end{pmatrix}$ and $\bold{A} \begin{pmatrix} 0 \\ 1 \end{pmatrix} = \begin{pmatrix} -7 \\ 4 \end{pmatrix}.$ Regular: Find the 2 x

3. ## cellular solids

Calculate the Young's modulus and compressive strength for: a) 5% dense aluminum regular hexagonal honeycomb, loaded in the out-of-plane direction, x3 b) 5% dense aluminum regular hexagonal honeycomb, loaded in the in-plane direction, x2 c) 5% dense

4. ## math

Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM I got for the area 12√34 but its wrong :(

5. ## math

a student walks 50m on a bearing 025 and then 200m due east.how far is she from her starting point

6. ## chemistry

How much energy is evolved during the formation of 98.7 g of Fe, according to the reaction below? Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ A. 482 kJ B. 753 kJ C. 1.51 × 10ee3 kJ D. 4.20 × 10ee3 kJ

7. ## High School Geometry

Given: ΔTSP, TS = SP = 10cm, TP = 12cm. Find: Three altitudes of ΔTSP. for this one I only got one of the altitudes 2 √61 can you give me the other two and tell me if this one is right, sorry I am in a rush

8. ## Algebra 2

A function is created to represent the costs of living per person in the family. What restrictions would be made to the domain? A-domain includes positive integers B- domain includes positive numbers C-domain includes all real numbers D- domain includes

9. ## math

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of π.

10. ## Geometry

Given: ΔАВС, m∠ACB = 90° m∠ACD = 30° AD = 8 cm. Find: CD, Perimeter of ΔABC plz add answer

11. ## math

Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM

12. ## Math

A function is created to represent the height above sea level of a mountain climber every hour. What restrictions would be made to the range? A-range includes all real numbers B-range includes positive integers C-range includes positive real numbers

13. ## math

pq is a tower standing vertically on the horizontal ground. from a, the angle of elevation of top p of the tower is 45°. on moving 50 m. up a slope of 15°, the angle of elevation becomes 75° from b. find height of the tower

14. ## Math

PLEASE CHECK MY ANSWERS 1, calculate the slant height for a given cone. round to the nearest tenth. Diameter = 8 cm Height = 9 cm 10.2 cm 11.4 cm 9.8 cm * 12.0 cm 2, calculate the slant height for a given cone. round to the nearest tenth Diameter = 18 cm

18. ## PHYSICS

On vacation, your 1400-kg car pulls a 520-kg trailer away from a stoplight with an acceleration of 2.00 m/s2 . A: What is the net force exerted by the car on the trailer? Assume that the positive x axis is directed toward the direction of motion. F = N

19. ## Social Studies Help ASAP Please!

Resistance to Immigration Nativists believed that some immigrants did not fit into American culture because their customs were to different ---> Prejudice and violence grew as the number of Chinese immigrants increased ---> ? Based on your reading, which

20. ## Math

Esther had an average of 72 on her first four maths test. After taking the next test, her average dropped to 70. Which of the following is her most recent test grade

21. ## Calculus

A point is moving along the curve xy=12. When the point is at (4,3), the x-coordinate decreases at the rate of 2cm/sec. How fast is the y-coordinate changing at that point?

22. ## psychology

what's the difference between structuralism and functionalism? please explain in a simplified way, thanks.

23. ## psychology

"Lisa is 30 yrs old, married woman and mother of 4 children. She has various worries for years but has never before sought professional help. During the past three months she has become increasingly unhappy to the degree that her family physician finally

24. ## math

PQ is a tower standing vertically on the horizontal ground. from A, the angle of elevation of top P of the tower is 45°. On moving 50 m. up a slope of 15°, the angle of elevation of P is found to be 75° from B. The horizobtal through B is BC. find

43. ## Math

Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is$585. A. Write an equation in point -slope form to model this. B. Write the equation in slope-intercept form. C. How much is in the account after 1 year

44. ## Algebra

The scale on a map is approximately 3/4 inch to 9 miles. If the distance from city A to city B measures 7.5 inches on the​ map, how far apart are the two​ cities?

45. ## Probabilty

Suppose i have a deck of 40 cards numbered 1-10 in red, yellow, blue, and green. suppose i am dealt 5 cards. how may cards could be dealt first? 40-5= 35

46. ## math

If 16x^2 - 24x + k = 0 has two roots (a double root) equal to 3/4, 4 = ?

47. ## world history

The economy of the Han Dynasty would have been MOST impacted by which of these? A)invasion by Vietnamese armies B)loss of control of western territories C)increased construction of the the Great Wall D)decreased construction of the the Great Wall

48. ## matrix, linear transformations

Morning, Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following matrix for each of them: g={{4,0},{0,6}} h={{1,2},{0,1}} k={{0,1},{1,0}} So ive been asked to prove the linear transformation

49. ## social studies

create a problem tree with three levels of 10 causes and 3 levels of 10 consequences

50. ## physics

A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0) degrees with the vertical and released. Find the speed of the ball is at the lowest point. Give your answer in m/s and with 3

51. ## Trig identies, Calculus

Use the identities cos^2 x + sin^2 x =1 and cos2x=cos^2 x -sin^2 x to show that cos^4 x -sin^4 x = cos2x Im not sure how, I can solve my problem with half angle identities but im not sure where to start with this.

52. ## world history

Which of these is the MAIN reason for the Jewish Diaspora that took place in the 1st century CE?

53. ## world history

Which of these is the MAIN reason for the Jewish Diaspora that took place in the 1st century CE? A)The Roman Empire put Judaea under their control. B)Islam became more popular, forcing the Jews to leave. C)The Egyptian pharaoh attacked Judaea for more

54. ## maths

How are the angles to be constructed in distinct half plane of a line segment for division of line segment? (A) obtuse (B) acute (c)right (d) A OR B

55. ## maths

How to factorise 4(x+y)(3a-2b)+(6x+y)(2b-3 a)

56. ## maths

In triangle ABC a=8 b=9 c=7 then what is radius (a) 2.5 (b)3.5 (c)4.5 (d) 1.5

57. ## science

If I dissolve 200g in 20 litre of water what is the density of the salty water. please help

58. ## maths

Angle of elevation of sun from earth is called? (A) sunset (b) sun's altitude (c) sunrise (d) none

59. ## maths

The measure of the side of an equilateral triangle is 6cm. Then area of circle touching all three sides of given triangle is ------cm2 (a) pie (b) 3 pie (c) 12 pie (d) 36pie

60. ## Biology

What do the structures of Glycine and Arginine have in common? And what makes them different?

61. ## Math science

A camp has food stock for 500 people for 70 days.if 200more peole join tha camp how long will tha stock last

62. ## Algebra 2

Solve the equation by graphing. 5 = -√x-3 I don't know how to make the graph. What would the graph look like? I worked out the equation and this is what it came out to be: 5 ≠ -5, which is no solution. Is there a way to graph this? Sorry, confused...

63. ## Maths

Thomas received \$2176.10 as a holiday loading payment (17.5% on 4 weeks pay). What is his weekly wage?

64. ## chemistry

hw much 0.1N NaoH would u have added to 30ml of 0.1N Hcl at a equivalent point?

65. ## world history

why were Early Hindu temples were small

66. ## Physics

A ball is dropped from a building, after 2 sec another ball is thrown downward. After 6 sec the second ball overtook the first ball. Is the second ball has greater acceleration than the first ball? Explain.

67. ## Math

A team has won 16 matcjes and lost 5 .if these matches represent 70% of the matches to be played. how many more matches should the team win so as to have a record of 80% wins?

68. ## kekionga

volume = 25in^3 radius =3 find the height

69. ## math

i need help on my unit 4 lesson seven 24 question unit tst from connexus academy.i am a level nine gymnast and have a huge meet that im stressing out about and so i cant focus someone please help me thank you

70. ## Philosophy

Moreover, how does Plato account for adding new living souls to the human population?

71. ## Math

Students are being surveyed about the weight of books and supplies they are carrying as they attend class. a. Identify the variable of interest. b. Identify the type of variable. c. List a few values that might occur in a sample

72. ## Calculus

The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of (1.) the area, (2.) the perimeter, (3.) the length of one diagonal at the instant when l=15 and w=6.

73. ## Math

A pedestal in a craft store is in the shape of a triangular prism. The bases are right triangles with side lengths of 12Â centimeters, 16 centimeters, and 20 centimeters. The store owner wraps a piece of rectangular cloth around the pedestal, but does not

74. ## math

A ferry boat departed from port and traveled at a rate of ten miles per hour at an angle of 30 degrees north of east across a large river. If the current is flowing at a rate of 4 miles per hour straight south, what is the speed and direction of the boat

75. ## Math. plz help or try.

I would love it if you helped me. 1. Determine the median of this data set. 5,6,3,2,2,4,8,9 A. 2 B. 4.5 C. 5.5 D. 5 2. What is the mode of the data set? 27,35,57,36,44,57,33,34,66,30,33,42,57,23,35 A. 35 B. 33 C. 42 D. 57 3. Sam conducted a survey in which

76. ## Science

1. A ball is thrown 15 m/s at an angle of 60. How high does the ball go? 2. A ball rolls off a table going 8 m/s. If the table is 1.8 m tall, how far away does the ball land?

77. ## Science

An object mass m1 falls from a height of h1. a. Write a formula for the velocity of the object just before it stikes the ground in terms of g,m1,and h1. b. Write a formula for the velocity of the object at the half way point in terms of g,m1, and h1.

78. ## maths

show that 0.227272727272727 can written as a 3/11?

79. ## science

this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when

80. ## maths

solve: x^3.5=41.15

81. ## mathematics

ABCD is a rectangle AC is diagonal.find the angles of triangleACD.Give Reasons.

82. ## mathematics

220by538(67289)+-57866

Define table laying and state the importance of table laying

84. ## science

What is the momentum of a 20.0 kg scooter traveling a 5.00 m/s?

85. ## math

Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong?

86. ## History

What are the preconditions for industrialization

87. ## Geography

The United States and Canada share many geographic features, including the Great Lakes, the Rocky Mountains, and

88. ## History

On one of my assignments it says to create a bubble chart that represents and explains the characteristics of 19th century capitalism and to provide examples Should i just make a bubble chart graphic organizer with a circle in the middle and other circles

89. ## Math

Write the equation of the line in the indicated form that meets each criterion below. A. A line with a slope of -2/3 and a y-intercept of 4; in slope-intercept form B. A line with a y-intercept of – 2 and an x-intercept of 3; in standard form C. A line

90. ## math

Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong? Simplify (2t^2-3t)-(7t^2-5t) = (2t^2)-(7t^2)=-5t = (2t^2)-(-5t)= 7t =(-3t)-(7t^2)=-10t =(-3t)-(-5t)=2t =-5t+7t-10t+2t I am

91. ## english

what type of figurative language is in these lines, 1.And the air was stifling sweet 2.With the breath of any flowers,----

92. ## MATH

What is the relation between the y intercepts of x=3 and y=x-1? A- x=3 is greater (the y intercept) B- y=x-1 is greater (the y intercept) C- same y intercept D- relation cannot be determined I think it is either A or D, not sure. Thank you!

93. ## english

what is the best paraphase of these lines. #1 A saturated meadow, #2 Than the trees around were tall:

94. ## Maths

The sum to infinity of a convergent is series is 243.The sum of the first five terms 242.Determine the values of the common ratio and the first term

95. ## Algebra I

Determine whether the equation y=2x^4-8x+6 has a graph that is symmetric with respect to the​ y-axis, the​ x-axis, the​ origin, or none of these

96. ## math

Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19. I believe the answer is 1 A 1 B 68 C 72 D 84

97. ## Algebra 2

Given that f(x) = x^2 + 3x + 6 and g(x) = the quantity of x minus three, over two, solve for f(g(x)) when x = 1. A -1 B 0 C 3 D 4 I say it is 4. Not sure though.

98. ## MAthematicas

What can you tell about the slopes of x=1 and 2x+3 A- 2x+3 is larger slope B- x=1 is larger slope C- can not be determined D- same slopes I think it is c. Not sure though

99. ## PHYSICS

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.2 N ; a second force has a magnitude of 5.0 N and points in the negative y direction Find the magnitude

100. ## math

364 divided by 6 the answer has to be in a fraction

101. ## math help now plez

unit2 lessonn9 Which image is a reflection of the figure shown over the given line of reflection?