# Math/Physics

214,413 results, page 73

1. ### Physics

0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a temperature of 500 C. Before I forgot to write the question...so the question is What is the final pressure of the gas? * physics - drwls, Friday, ...
2. ### Math/Physics

The velocity v of a particle moving in the xy plane is given by v = (6.0t - 4.0t2) i + 4.0 j, with v in meters per second and t (> 0) is in seconds. What is the acceleration when t = 3.0 seconds? When is the acceleration zero? When is the velocity zero? When does the speed ...
3. ### Math and Music

I have to do a presentation on how math and music relate. I have found some things and facts but everything is so complicated. If someone could help explain to me how I can narrow my topic down and make a presentation that is simple but effective. It can be anything within the...
4. ### math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 * 4 * 3 / 3 * 2 * 1?
5. ### math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 * 4 * 3 / 3 * 2 * 1?
6. ### Physics- Mastering Physics

Predict how the range of the projectile will change when you change the angle from 45∘, keeping the speed constant. A The range increases with increase in angle and decreases with decrease in angle. B It increases with either an increase or decrease in angle. C It ...
7. ### Math Algebra

Here the missing Infos ;-)). The Physics of Baseball by Robert Adair - after t seconds, starting 1 sec after 35 angle, rotating with an initial backspin of 2000 revolutions per minute, and hit about 110mph is given by H(t)= -80t^2+340t-260 (in feet) a)how many seconds willpass...

A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. Physics(Please respond) - Elena, Thursday, June 21, 2012 at 2:33am ÄU = Q - W Where ÄU is the change in ...
9. ### physics

How would I find the acceleration of a car if it traveled 1.5 meters in one second? If it is accelerating at a constant rate with zero initial velocity, then use the formula X = (1/2) a t^2 and solve for the acceleration, a. X = 1.5 m, and t = 1 s. It could be not accelerating...
10. ### Physics for Technology

I have been out of school 27 years; no Algebra or Trigonometry training: only remedial math. This class is part of a Diploma program, no placement test required - I am out of my depth. I had a tutor for an hour last Tues., with another appt. this Tues. Yet, like I told my ...
11. ### Physics

The professor gave us no background material or explanations for any of these questions. 1. Imagine that molecules of H20 are stacked up in a cubic array, like a large number of cubical boxes. Each water molecule is taken to be at the center of each cube in this array. Let the...
12. ### physics

Can someone please help me? I am having a really hard time with physics. This is not a test question. It is a practice problem from a review website I am supposed to use, but I am having a really hard time. Can someone at least help me to begin setting up the problem? I would ...
13. ### math

Jeremy surveyed students at his school for his math project. When he analyzed the results, 38 students, or 18% of those surveyed, selected hamburgers as their favorite food. How many poeple did Jeremy survey for his math project? (Round your answer to the nearest whole number...
14. ### improve sentence

It was Wednesday morning, November 15, 2006 and I woke up early than usual not being able to sleep because I had a AP Physics test that day. is there another way to put this in a sentence with all the information i want. it seems too long and too clumped together. You have ...

had this question last night for Dr. Bob-A fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion just as it touches ...
16. ### math

How do you solve a division problem using subtraction? (3rd grade math)

18. ### math

whats the math term for this following definition.......(a symbol for an unknown number?)
19. ### math

unscamble the word: ripem , phase , and clamidd into math words
20. ### MATH ELE.

What is the difference between combination snd permutations in Elementary math??
21. ### math

use propertise and mental math to find the value. 19+(28+21) 3 times 270 (86+27)+3
22. ### math

I have a math problem, and it says to explain what units my answer has. What does that mean?

24. ### Math

I have math fractions to add. I never went over these ,so please help. 7/8 + 3/4 + 15/24= 5/9 + 6/7= 4/5 + 11/15 + 17/30 = 1 7/8 + 2 11/16 =
25. ### math

Please can someone help me with my math homework I just really don't ge it. I'm in a panic. Thank you Sarah
26. ### Math

I need help in creating 3 Math problems that has to do with Baseball. Does anyone know how to or websites to help me...
28. ### math

amy sloved 3/5 of her math problems and had 24 left to do. how many problmes did she solve ?
29. ### Math - Trigonometry

Math - Find the amplitude, period, phase shift - y=cosPi/2 (x+1/3)
30. ### math

is this site free and you help my child with her math? she having a hard time with this subject
31. ### math

I am doing pre algabra math and I am in 7th grade I need help to simplify the expression
32. ### math

I need help on this math problem Solve the systems of equations by elimination. -2x+y=7 6x+12y=24
33. ### Math

If class starts at 11:50 and lasts 1 hour 40 min how do you write a math equation?
34. ### math

i really need help in math. im just in 6 grader and i don't understand this' 24x - 10 = 18x - 4
35. ### math

five times the sum of a number and four into math expression
36. ### MATH

If y= ab, then b= a+b A line goes under ab. Please help, I have not taken math in many years.
37. ### math

Your math class has 27 students. There are 12 seniors and the rest are juniors. What is the senior-to-ratio?

39. ### math

vina has the following grades in math 88,85,89,95 and 91.What must be her sixth grade if she wants to get an average of 90?
40. ### Math

In my math book I got a question saying 1\5 times 8/9. My answer is 1\5 am I correct.THANKS
41. ### Math

The math problem is set up as a fraction in parenthesis 6 over 4. Evaluate the expression (6/4)
42. ### Math

Simplify. (82 - 60) + [(-3 x 4) - 36÷4] 25 19 10 1 <- I think this one is right I really hate math!!! lol...
43. ### math

Jessica says she can add 1/3"2/6"3/9"4/12"and 5/15 together using mental math.Explain how she can do this.
44. ### math

I don't understand how to multiply rational expressions. My math book isn't helping at all.
45. ### math

How would I show my work to the math problem? 6 friends share 4 pear?
46. ### Math

How many questions are on the 9th grade math scantron performance series test?
47. ### Math

What is the best way to use mental math to multiply (5x18)x20?
48. ### math,geography,agriculture,life sciences

What careers can I enroll without math??
49. ### math

i need to keep my a+ in math, and finish my homework TONIGHT. What is 5/8, 5/9, and 5/10 in least to greatest.
50. ### math

Ms. Sue I have a question. For this math problem: Name a fraction between 1/4 and 5/16 how do I do that
51. ### math

I need help with math 12 5/8+6 3/8+5 2/3= they must have coming denominator like 24 = The answer
52. ### math

I need help solving this math problem I am so lost when it comes to these problems. Which is the difference of 25 1/8 - 12 3/4
53. ### Math

Bobby has a 95 in his math class. He had a test and got a 83 on it. What is his grade now?

55. ### Math (connexus)

has anyone done the math quiz for unit 5 lesson 5 for 7th grade because i need help
56. ### Math

Find the lower, upper and interquartile range 20,22,25,28,29,30,32,33,34 Math is not my best subject.
57. ### Math

How many letters in the word MATH have more than one line of symmetry?
58. ### Math (7th grade math)

Find the total cost of \$52.25 with an 8% sales tax. A) \$78.65 B) \$67.32 C) \$56.43 D) \$94.05
59. ### math

wat is dilation in math during moving or changing a figure
60. ### math

Find the slope of 0,0 3,5 please help i stink at math rise = 3 run = 5
61. ### math

math question>>estimate answer to: 98+46 tell the strategy you use
62. ### math

use mental math and the distributive property to simplify 25(-99)and 19x21

I need a little help on math. It has to do with kilograms and weight.
64. ### Math

Can someone pls help me with this math problem... 3 1/15 - 3 11/30? I think the answer might be 3/10?
65. ### math

i've got a question in my math its wanting to know why is the 1 called the multiplicative identity
66. ### math

how do i do this math problem? use the defintion f^1(a) = lim as h heads toward 0 {f(x)-f(a)} / (x-a)
67. ### math

math is a hard thing for me sometimes and i need help with the question 5% OF 36 PLEASE HELP!
68. ### math

trying to unscrable the letters jeatdcn into a math word
69. ### Basic College Math

What numbers in a math problem adds up to 331/3?
70. ### Math

what page in the 8th grade texas math book is the let,if,then problems.
71. ### math

what does term "factor each expression" mean in 8th grade math?
72. ### math

Please help me I am confused on this math problem. solve. y/8-8/y=0 what are the solutions? Wouldn't they be 0?
73. ### math

Fill in the correct math operations only once (+, -, *, /) 8_2_1_3_4=5
74. ### Math

Evaluate the expression using mental math. Justify each of your steps. 1) 4(19)(-25) 2) 17+32+23

76. ### math

How did your past experiences affect your attitudes toward math in general?
77. ### math

i need to unscramble these math words icarlafto untoegrnc enitmelgen
78. ### math

How could constructivism be used in an integrated approach to teaching science and math?
79. ### Math

I can't figure out this math problem: 76 is what percent of 15!!!! Need help! URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
80. ### math

Have a math question Determine whether or not the network is traversable.
81. ### math 1A

hey im having trouble with these math problem . if a=2 and d=7 6d-3a =? how do you solve and get the answer ?
82. ### math

use mental math to find each value cost of 8 items at \$12.98 each
83. ### Math

again, i am in desperate need for checked answers on my math questions
84. ### Math

How do I explain "make a 10" to my 2nd grade son for his math homework?

How can you use mental math to multiply 800 x 5?

tell how you uesd mental math to find the difference
87. ### math

what is it called in math when u have an equation like a+b=c and u are solving for b so you change it to b=c-a?

89. ### math

Okay,whenever I ask jiska for math help.. or any help I ALWAYS get those questions wrong -.-
90. ### Math

I am looking for rebus words for math vocabulary. Does anyone have any ideas?
91. ### math

how to make a math problem of 8in long + 6in around
92. ### math

what is the correct order of operations for calculations of basic math problems?
93. ### math

if john received an A on three of the last four math quizzes. what is the ratio.

using mental math and distributive property solve: 25(12)

Math the equation a single logarithm. Express as factors. ln(x/(x-1))+ln((x+1)/(x))-ln(x^2-1)
96. ### ANY LINKS FOR THIS ?? MATH

Essential Math 7 - Unit Rates and Ratios of Fractions
97. ### math

(Math+lice)+ (equations+R+P- Square)= Decimal_______ I don't have a clue How to do this
98. ### Math

what is the ratio of 4 engines to 18 box cars....trying to help my son in math???
99. ### math

What are the answers to the middle school math with pizzazz book e page 29?
100. ### MATH MATH

how can you tell if an equal share is more than one whole?