# Posts by Kate

Total # Posts: 2,102

1. ### science

The driver of a 1.00X103 kg car traveling on the interstate at 35.0 m/s slams on his brakes to avoid hitting a second vehicle in front of him, which had come to rest because of congestion ahead. After the brakes are applied, a constant friction force of 8.00X103 N acts on the ...
2. ### Social Studis

For the unit 10 lesson 8. ( this will save you a lot of trouble) 1:b 2:d 3:a 4:c 5:c 6:c 7:b 8:d 9:b 10:c 11:a 12:d 13:d 14:c 15:b 16:a 17:d 18:c 19:c 20:d 21:c 22:c 23:essay I hope they dont mix them up
3. ### math

you will have to find the last two on your own.
4. ### math

The answers are B B C A D
5. ### Math/Geometry

i need help figuring out how to find the area of this trapezoid. two sides have 8cm, another one has 10cm, and the last one has 16cm. Also, there is a dashed line inside of the trapezoid that is 7cm. A. 8 cm squared B. 62 cm squared C. 84 cm squared ** D. 125 cm squared
6. ### English

In English, we are doing a turning point project, which is similar to an essay. I need help editing mine and making it more concise.
7. ### Psychology

30 Brothers each attend the daily sunset service 4 times a week. Whilst they are all present on Sunday, the numbers present throughout the week varies from day to day. Alan wanted to learn more about the religion. He knew the Brothers were in great demand for their knowledge ...
8. ### SS

he is correct 100%
9. ### math

What does it mean for concavity of the original graph if there is an asymptote in the f'' graph?
10. ### correction

Actually I got the curve is concave up when x>-1.5
11. ### calculus

Find the interval on which the curve of y= the integral from 0 to x of 2/(1+3t+t^2)dt is concave up. I asked this question yesterday and I would like to see if someone could check my answer. I got the curve is concave up when x<-1.5
12. ### calculus

Ok this helps a lot, thank you!
13. ### calculus

I was confused about which derivative the question has given me. Did they give me the integral of the first derivative? Or are they telling me to integrate the original function to find the first derivative? So all I need to do is take the derivative of 2/(1+3t+t^2)?
14. ### calculus

Find the interval on which the curve of y= the integral from 0 to x of 2/(1+3t+t^2)dt is concave up. Can someone please explain? I'm so confused about how to find the answer, all I know is if the 2nd derivative is positive then it's concave up.
15. ### math answer check

17. A cone has a radius of 24cm and a volume of 1920cm2. what is the volume of a similar come with a radius of 18cm? A. 480cm3 B. 810cm3*** C. 1080cm3 D. 1440cm3 is my answer correct?
16. ### World History

How do the Crusades and Muslim and Christian accounts of them demonstrate how these two religions resembled each other more than either one resembles Buddhism, during the postclassical period?
17. ### Music

What musical term is indicates a chord where the notes are played one after another rather than all together?
18. ### math

If you roll a 6-sided die 90 times, what is the best prediction possible for the number of times you will roll an odd number?
19. ### Algebra

I need help with lesson 1 solving 2 step equations -- unit 7 ;; i dont understand this is also for connexus students!
20. ### Math, algebra, geometry

John Anderson knows that the pizza pipeline charges its customers a certain amount per one topping pizza, plus a fixed price for delivery. The checks that John wrote for the last two deliveries were \$17 for two pizzas and \$31 for four pizzas. How much would each pizza cost ...
21. ### social studies

thank you so much... that was bugging me so much today
22. ### social studies

how is life different now in the European Union (EU) than before it was formed.
23. ### Chemistry

(A) calculate the density of NO2 gas at 0.970atm and 35 Celsius. (B) calculate the molar mass of a gas if 2.50g occupies 0.875L at 685torr and 35 Celsius. Answers are 1.77g/L 80.1g/mol
24. ### Science

A volleyball is served at the speed of 8.0 m/s at an angle 35° above the horizontal. What is the speed of the ball when received by the opponent at the same height

D!
26. ### Math Help

Thank you so much ^^
27. ### Math Help

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

Simplify f+ g/f-g when f(x)= x-2/x+5. And g(x)= x-5/x+2 Choices, A. 2x^2 -29/21 B. 21/2x^2 -29 C. - 2x^2 -29 /29 D. - 29/2x^2-29
29. ### Math.!

Thank you! I always mess up on these i had originally gotten B but i guess thats my error.
30. ### Math.!

Simplify f+ g/f-g when f(x)= x-2/x+5. And g(x)= x-5/x+2 Choices, A. 2x^2 -29/21 B. 21/2x^2 -29 C. - 2x^2 -29 /29 D. - 29/2x^2-29
31. ### @steve

Is it A then steve??
32. ### Math

What is the domain of f/g, given f(x)= x+2 and g(x)= x-7? I was told this below, all real numbers EXCEPT 7 But My choices are this, (-infinity,7) U (7,infinity) (-infinity,-7) U (-7,infinity) (-infinity,-2) U (-2,7)U (7,infinity) (-infinity,infinity)
33. ### Pre-Cal

My choices are this, (-infinity,7) U (7,infinity) (-infinity,-7) U (-7,infinity) (-infinity,-2) U (-2,7)U (7,infinity) ((-infinity,infinity)
34. ### @scott.

How did you get that, @scott
35. ### Pre-Cal

What is the domain of f/g, given f(x)= x+2 and g(x)= x-7?
36. ### Algebra

what happens when u merge two fruit companie togerher worksheet
37. ### math

Emily has a book with 200 pages , she read 150 pages , what's the percentage of books she read?
38. ### Chemistry

Some instruments differentiate individual quanta of electromagnetic radiation based on their energies. Assume such an instrument has been adjusted to detect quanta that have 3.50× 10–16 J of energy. What is the wavelength of the detected radiation? Give your answer ...
39. ### Math

i dont know. what is the answer ?
40. ### Physics

A block is given an initial velocity of 4.00 m/s up a frictionless incline of angle ? = 21.0°. How far up the incline does the block slide before coming to rest?
41. ### Physics

A boat crosses a river of width 164 m in which the current has a uniform speed of 1.3 m/s. The pilot maintains a bearing (i.e., the direction in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 2.4 m/s relative to the water. ...
42. ### Algebra 2

Describe the following functions transformation:g(x)=-f(-2x)+5
43. ### Geometry

Given: ?ABC and ?CBD are supplementary angles. m?ABC = 4x + 7, m?CBD = 2x ? 1. Prove: m?ABC = 123 How do I write this in a two column proof?
44. ### Math

Mrs. Fields bought a sapling from a tree farm nursery and observed a linear growth of the sapling over a period of 6 months. She found the height of the sapling, H centimeters, and the time, t months is related by the linear equation H=2(4+3t) a) write an equation for t in ...
45. ### Chem Help PLEASE

A pediatrician prescribes the antibiotic amoxicillin to treat a child suffering from an ear infection. The prescribed dose is to be 72.1 mg of drug per kilogram patient body mass per day. The drug is to be administered twice each day in the form of a liquid containing 126.0 mg...
46. ### Math

1. write an algebraic expression for the word phrase: the quotient of r and 12. A.r*12 B.r/12 C.r-12 D.r+12
47. ### Math

2500 cubic centimetres = 2.5 liters. Thanks Steve <3
48. ### Math

A rectangular glass tank is half filled with water. The measurements of the tank are 30cm in height, 25cm in length and 20cm in width. How many litres of water will raise the water level in the glass tank by 5cm?
49. ### English

Why does Yoni think the Arab he finds is perfect for his film? It was in Bethlehem, actually, that Yonatan found his Arab, a handsome man who used his first wish for peace. His name was Munir; he was fat with a big white mustache. Superphotogenic. It was moving, the way he ...
50. ### English

Ok. I think he's cheap, lazy, and loves money?
51. ### English

I'm not quite sure. That's why I'm asking Reed.
52. ### English

Which details help you more fully understand Yoni's character and intentions? Evaluate the line, “No prep, no plotting, natural as can be…” Lines with answer: "It was genius, Yoni was sure. And, if not, at least it was cheap. All he needed was a door to...
53. ### math

Find P if I=122; R=5 1/4% and T=9 months.
54. ### Calculus

Give an example of a function that is integrable on the interval [-1,1], but not continuous on [-1,1]. Explain.
55. ### SPANISH

El futuro con ir + a + infinitvo- How do I do this sentence in spanish? Yo no__________ hacer gimnasia. Thanks!
56. ### Chemistry

"Hi there! So I have a chemistry project due in a few hours. I need to find the molar mass of a specific antacid tablet, but all I know is that the tablet is made up of 550mg CaCO3 and 110mg Mg(OH)2 I also know that the tablet has a mass 1.35g. How do I find the molar ...
57. ### Calculus

if a penny is dropped from the top of a 320 ft. building, how fast will it be moving when it hits the ground? So we can find the speed of the penny as instantaneous rate of change of height of penny when it hits ground. Instantaneous rate of change of y with respect to x is dy...
58. ### Calculus

if a penny is dropped from the top of a 320 ft. building, how fast will it be moving when it hits the ground? v2 = u2 + 2gH, Here, u = initial velocity = 0 v = final velocity g = 32ft/s2 H= 320ft So, v2= 0 + 2 × 32 × 320 or,. v = ?(2×32×32×2×...
59. ### math

Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R.
60. ### Spanish

Mucha gente prefiere (lavarse) los dientes antes de desayunar. How to I conjugate the word lavarse? I thought it was se lavan but I got it wrong. Thanks for the help!
61. ### Math

The function T(h) = 144 – 0.003h represents the Temperature, T(h), at a height h on a mountain. Which of the following statements best describes the slope?
62. ### biochem

Two samples of double-stranded DNA have been prepared. Nucleotide analysis reveals that sample 1 is found to be 21% A, while sample 2 is 26% G. Knowing this, which of the following statements is true? Sample 1 has a higher AT content than Sample 2. Sample 1 is 29% T. Sample 2 ...
63. ### math

NO HE IS NOTTTTTTT @Billy
64. ### math

Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at home, there is a 60% chance they'...
65. ### Math

Sally wants to build a fence around her pool. The pool is 26 feet long by 21 feet wide.The fence is to be 15 feet from the edge of the pool. a.What are the outside dimensions of the area surrounding the pool? b. how many feet of fencing will sally need? 41 ft by 36 ft; 77ft 41...
66. ### Math

Thank you sooooo much Mrs Sue! You have been a big help throughout my years of using jiska!!!
67. ### Math

Sally wants to build a fence around her pool. The pool is 26 feet long by 21 feet wide.The fence is to be 15 feet from the edge of the pool. a.What are the outside dimensions of the area surrounding the pool? b. how many feet of fencing will sally need? 41 ft by 36 ft; 77ft 41...
68. ### science

would all of the lead (ii) bromide (ksp = 6.3 x 10^-6) dissolve if 2.25 g is added to 500 mL of water
69. ### math

You invested money into two funds. Last year,the first fund paid a dividend of 8% and the second a dividend of 5%, and you received a total of \$1330. This year, the first fund paid a 12% dividend and the second only 2% and you received a total of \$1500. How much did you invest...
70. ### Social Studies

(Can you please check my answers)one major landform that is found in both united states and canada is A. The Kilauea Volcanos B. The Rocky Mountains (C.) The Great Basin D. Mount Logan 2 Why are the Great Lakes important to both the United States and Canada A. They form the ...
71. ### Language art 4th grade

What is the best way to combine sentences 7 and 8? (7)We got a few dog snacks from Jenny's dad. (8) we started giving snacks to the dog. Answer choices:- a. We got a few dog snacks from Jenny's dad and then we started giving snacks to the dog. b. We got a few dog ...
72. thanks
73. ### math

sector 2 on a spinner is a 90 digrese (sorry for spelling) sector. if the spinner is spun twice, what is the probability that it will stop in sector 2 both times?
74. ### ELA

“I want to make sure we use all our talent. Not just 25 percent. Don’t let anyone rob you of your imagination, your creativity, or your curiosity. It’s your place in the world; it’s your life. Go on and do all you can do with it, and make it the life you ...
75. ### History

Im sorry i mean B
76. ### History

I think the answer is C
77. ### History

Why was it important for licoln to wait to issue the Emancpation Proclomation? A. It could have caused revolts in the North B.It was important to have popular support beforehand**** C. It could have ended the rebellion before union victory D. it may have caused lincoln to lose...
78. ### chemistry

With reference to collision theory account for the colour change that occurred when HCl was added to K2CrO4 (Cromate)
79. ### chemistry

number of moles = mass/Molar mass N=m/Mr
80. ### Math (Business)

I haven't don't simple interest in a while so don't quote me on this but I think you're missing the T part of the equation eg. P x R x T = I. rate is 18x31/365, P is ... but where is T in your final equation? hope that was relevant.
81. ### Math-Statistics

CAN SOMEONE HELP ME WITH THIS? A recent study found that, of the 1771 participants aged 12 to 19 in the National Health and Nutrition Examination Survey, 19.5% had some hearing loss (defined as a loss of 15 decibels in at least one ear). This is a dramatic increase from a ...
82. ### physics

That gives me the wrong answer according to the website
83. ### physics

The distance between two successive crests of a certain transverse wave is 1.13 m. 20 crests pass a given point along the direction of travel every 18.6 s. Calculate the wave speed. Answer in units of m/s. So far I have gotten 1.22 for my answer by 20/18.6 x 1.13. I also tried...
84. ### History

Which of the following best describes why sit-down strikes resulted in success for workers? A Owners lost more money the longer strikers occupied the factories. B The strikes forced workers to agree to management’s terms. C The strikes allowed workers to form new company ...
85. ### Algebra II

Thanks Mr.Bob & Mr. Steve.. AGAIN. I honestly need to practice this more obviously but 4 more months till graduation and everyone on here has been helping me since the 9th grade so it's a huge thank you.
86. ### Algebra II

Find the equation of the line that passes through the points (1,4) and (2,-8). Question options: y = -3x + 9 y = 6x + 5 y = -12x + 16 y = 12x - 8 < this one is wrong.. I thought I had it right so how do I find the correct answer? i'm not getting any of the other answer ...
87. ### Algebra II (plz)

Thank you! im sorry.
88. ### Algebra II (plz)

Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3 <-- ? m = 3 m = 1/3 Find the slope of the line that contains the points (-2, 4) and (-4, 6). m = -1 m = 1 <-- m = - 1/3 m = 1/3 Find the equation of the line that passes through ...
89. ### Algebra

Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3 <-- ? m = 3 m = 1/3 Find the slope of the line that contains the points (-2, 4) and (-4, 6). m = -1 m = 1 <-- m = - 1/3 m = 1/3 Find the equation of the line that passes through ...
90. ### Algebra (check answers plz)

Thank you and yes I honestly do... it's hard for me at least but I do try.
91. ### Algebra (check answers plz)

Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3 <-- ? m = 3 m = 1/3 Find the slope of the line that contains the points (-2, 4) and (-4, 6). m = -1 m = 1 <-- m = - 1/3 m = 1/3 Find the equation of the line that passes through ...
92. ### math

John earn scores of 82%, 74%, and 78% on three mid-term tests in his Math course. To earn a B, his overall course mark needs to be at least 80% and less than 90%. The overall course mark is 1 3 (mid-term average) plus 2 3 of the final examination. In what range of values can ...
93. ### Algebra

spencer deposit 540 in a bank account that pays annual simple interest rate of 4.5%. How much interest will he earn after 3 years? a.about \$73.00 b.about \$7,290.00 c about \$126.00 <-- im not sure d.about \$200.00 How do I figure this out?
94. ### Algebra

ohhh thanks! sorry for posting this question twice.
95. ### Algebra

Thanks... can you help me with this question also? spencer deposit 540 in a bank account that pays annual simple interest rate of 4.5%. How much interest will he earn after 3 years? a.about \$73.00 b.about \$7,290.00 c about \$126.00 <-- im not sure. d.about \$200.00
96. ### Algebra

What is the value of (fog)(-5) f(x)=x-10 ; g(x)=x2-3 a. (fog)(-5)= -38 b. (fog)(-5)=12 <--- ? c. (fog)(-5)=222 d.(fog)(-5)= -228
97. ### English

I didn't get any help.. I read the poem but still can't find the central theme and also I can't find a modern version of sonnet 16 by Elizabeth.
98. ### English

Can someone help me come up with the a central theme for sonnet 15? PLEASE and also help me find a modern version of sonnet 16 by Elizabeth B.
99. ### English

Thanks Ms. Sue See I was thinking for 27 that it's when you love someone you can't stop thinking about them? Now for 15 I honestly don't know....
100. ### English

Hello can someone help me come up with the central theme for sonnet 15 and 27 by Shakespeare and lastly sonnet 27 by Elizabeth Barrett... please and thanks!
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