# Math/Physics

214,834 results, page 74

1. ### Math

again, i am in desperate need for checked answers on my math questions
2. ### 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
5. ### 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?

7. ### math

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

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

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

what is the correct order of operations for calculations of basic math problems?
11. ### 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)
14. ### ANY LINKS FOR THIS ?? MATH

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

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

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

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

how can you tell if an equal share is more than one whole?
19. ### Math

How long is the peanut to the nearest 1 and a half inch.don callejon math
20. ### math

Please !!!! What can i write a letter about my math best teacher ..???
21. ### Math

Could I please get another example of a math problem like the one I did below? 2(x - 14) + 3 = 7x + 5
22. ### Math

I need help on a math question. can someone walk me through the process? 12 + 4m = 24
23. ### math

how do i work this problem 8x25x23 using subtraction in mental math
24. ### math

math question from applications of the derivatives. maths formula: V = 4/3(pi)r^3 dV = 4(pi)(3r^2) = 4(pi)r^2 But I don't understanding that how to get (3r^2) ?
25. ### Math

My math problem is combining like terms then simply. 3 3 6b - 2b + 2b + 2b -b Answer is (b)
26. ### Math

Math question is combining like terms then simplify. 3 3 6b - 2b+2b+2b -b 3 My answer is 4b -b

28. ### Math

My math question is, write 0.67 in simplest form. My answer is 20/40 am I correct.
29. ### Math

My math question is to write 5.6 in simplest form. My answer is 5 2/5 am I correct. Thanks
30. ### math

What doea,the c mean when the math problem is 8c = how many pints? I tried 1 2 4 and 16 but don't know what to look for.
31. ### Math

What is the product of 3 2/3 and 14 2/5? A. 54 B. 52 4/5 C. 42 4/5 D. 52 4/15 I did the math and got 42 4/15 what did i do wrong? If i had to guess id say its c or d ):
32. ### math

help me in extended book of math I GCSE on page 57 exercise 7 in grade 10.
33. ### Math

Can someone give me the answers to the U6 math test? For 6th grade?
34. ### English

1. It is great fun to draw cartoons. 2. It is complicated to study math. 3. It is dangerous to ride a bike on the street. 4. it is useful to study math. 5. It is good to play the guitar. 6. It is amusing to play the guitar. 7. It is difficult to study math. (What do you think ...
35. ### Physics/Math

A certain string can withstand a maximum tension of 43 N without breaking. A child ties a 0.37 kg stone to one end and, holding the other end, whirls the stone in a vertical circle of radius 0.91 m, slowly increasing the speed until the string breaks. Where is the stone on its...
36. ### Physics

Ammeter 1 reads 0.20 A. a. What should ammeter 3 indicate? b. What should ammeter 4 indicate? Given: RA = 22-OHM RB = 13-OHM A1 = 0.20 A Ammeter 2 reads 0.15A. a. Find the voltage across the 22-ohm resistor? b. Find the voltage across the 15-ohm resistor? c. What is the ...
37. ### Math

Math problem: If one of the triangle's is 130%. How do I figure out the rest of the angles?
38. ### math

help me i am stcuk on my math, my teacher told me to convert this to a fraction and they wont help me please show me how!!!!!! 5.3 =
39. ### math

Is anyone familar with Sharon Wells Math? How do you solve a word problem using their program?
40. ### Math Symbols

What does ^ mean in math? I see people writing it as a symbol on this site often! Thanks!
41. ### math

Hello, I need help with this math problem 4+3/3 + 5+1/5 its a fractions question how do I figure out the answer, thanks
42. ### Math

I need help unscrambling these math words: dlrcaai tteiuqon sigeetnr eeianrdmr eoiatronp
43. ### math

i don't understand how to do: SLOPE INTERCEPT FORM for example: y= 2x+ 5 help!!!! i have a math test tomorow

45. ### Math 213 Elementary Math

Use the definition of less than to show each of the following: a. 2 < 4 b. 3 < 100 c. 0 < 3
46. ### math

Accoring to math teachers, what did the acorn say when it grew up? there is ten questions and 15 boxes

48. ### MATH Introduction to Math Skills and Strategies

Write the algebraic expression for: Eight more than a number
49. ### MATH Introduction to Math Skills and Strategies

Evaluate when x+y/3 when x=17 and y=4 sorry had to repost the question thank you
50. ### Math

1st grade math worksheet says Write some names for 12, what does this mean?
51. ### math

i need to unscrmble th word enitmelgens its som math term HHHHEEEELLLLPPP!!!!!!!!!!!!!!!!! please:)
52. ### math

i'm having trouble with this math equation 5/2x^2-1/2^4 (need to find greatest common factor)
53. ### math

use mental math to find each value 5% rebate on a \$150 cell phones
54. ### math

What Is the ture math relationship using the numbers 1,1,1,10,7,8 ,5 to make it 1 or equal to one in fractions?
55. ### math

Would you use mental math to solve 2984+1997+406? Explain?
56. ### math

need help for a school math project:adjusting a recipe amounts using fractions
57. ### math

would you use mental math to solve 2984+1997+406? explain
58. ### Math

¾ of 28 = 21 what type of math problem is this? I was observing a teacher teach this but never stated what this was called.
59. ### math

I need help with the math textbook stretching and Shrinking page 89, questions 33 and 34. THANK YOU TO WHOEVER HELPS ME :D
60. ### math

i have math and my teacher wrote 26,397 and want's me to write the number in expanded form. how do i do it?
61. ### math

How do I factor non-traditional math problems that contain symbols? The examples given were: \$q + \$8 - \$~ and 7* - x* + 2*.
62. ### Math

I'm trying to figure out a Math pizzazz worksheet. I can't get the answer to question #3 on page E-38-E
63. ### Math

Hi,Ms.Sue again. I was wondering if you could help me with my math? Solve for . Show all work. (3 points) 1/5 (2x-10)+ 4x = -3 (1/5x+4)
64. ### math

can someone give me the answers to the math lesson 17 measurement unit test? please.
65. ### math REALLY NEED SOME HELP

question 10 on unit math review find the are....its hard!
66. ### Math

Simplify 2(x+2)+4x-10x. I do not understand how to do this problem and we did not go over simplifying in math class. Please help.
67. ### Math

I scored 3031 on my math performance series scantron test...is that a good score?
68. ### MATH

MY MATH PROBLEM SAID FOR ME TO CHANGE 3/4 INTO A DECIMAL. MY ANSWER IS 0.336 AM i CORRECT.
69. ### Math

How many different arrangements can be made with the letters from the word MATH? 12 24 <--- I think. 106 1,210
70. ### Math

Could someone help? Its on connections math test unit 6 lesson 7 14x2+4+3x-12x2-3+11x
71. ### math

can someone help me with lesson 5 unit 3 math “finding the area of composite figures” practice?
72. ### MATH-help

I have math questions to do, but since my class and I share the math text books with this other class, we are not allowed to bring them home. So I decided to go onto the site : h t t p : // highered . mcgraw-hill . com /sites/0070002479/information_center_view0/sample_material...
73. ### Math

I am a parent trying help my son, who has trouble understanding and remembering how to work his math. I never had this math, so it is hard for me to explain it. If I see it worked out. Then I can explain it, (I Think) here is the problems. A ball is tossed into the air and it ...

A charge of -3.00 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.135 m). The charges on the circle are -3.20 µC at the position due north and +5.00 µC at the position due east. What is the magnitude and ...
75. ### physics

A firefighter at street-level, 55.0 m away from a burning building, directs a stream of water from a fire hose at an angle of 35.0° above the horizontal. If the speed of the stream is 50.0 m/s, at what height will the stream of water strike the building? I started by finding ...
76. ### Math

There are 25 computers in a math lab. There are 6 activity booklet for very 2 computers in the math lab. How many activity booklets are in the math lab?
77. ### Math/Physics

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds have a resultant force...
78. ### Physics

Simple Harmonic Motion With the equation x=Acos(2 pi f) t why and how does f affect x This is really urgent! Thanx for any help! frequency determines how rapidly x oscillates.
79. ### physics

If you cover your home thermostat with a blanket, will it make the house hotter or colder, or have some other effect?
80. ### Physics

The sum of 2 vectors is the smallest when the angle between them is : a) 0 b) 45 c) 90 d) 180 d) i believe is the correct answer but i'm not sure exactly. Thanks in advance for your help.
81. ### physics

An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to a stop in 1.3 km?
82. ### physics

The path of a projectile fired at a 30 degree angle to the horizontal is best described as 1.parabolic 2.linear 3.circular 4.hyperbolic
83. ### physics

What average force is required to stop an 1100-kg car in 8.0 s if it is traveling at 95 km/h? i got the answer to be 13062.5 N. i don't think that's right...
84. ### AP Physics<<help

A 1.7 kg bundle starts up a 30 degree inlcine with 105 J of Kinetic Eneergy, How far will it slide up in the plane if the coefficient of friction is .3 ?
85. ### Physics

A,B,C,D are four charges placed at each corner of a square, with A= -6.00 mC , B=6.00 mC, C=-6.00 mC and D=6.00 mC.ALso AB=BC=CD=DA=0.100 m.Determine the magnitude and direction of force on each charge.
86. ### physics

How close must two electrons be if the electric force between them is equal to the weight of either at the earth's surface?
87. ### physics

a 1200-kg automobile travels at a speed of 90-km/h (a)what is the kinetic energy? (b) what is the net work that would be required to bring it to a stop?
88. ### Physics

How long does it take a 19 kW steam engine to do 6.8x10^7 of work? I have no idea how to solve this... Would someone please help?
89. ### physics

what is the formula for finding the magnitude of average acceleration simplified into length, velocity, time, and delta units?
90. ### Physics

Find the orbital velocity of a satellite orbiting 1800km above sea level in meters per second?
91. ### Physics

A ball falling from rest is located 45 m below its starting point 3.0 s later. Assuming that its acceleration is uniform, what is its value?
92. ### Physics

heyy, we need help finding links on the internet that provide you with simple questions based on dimensions and dimensional analysis.
93. ### Physics

How long would it take for a beam of light to travel around the earth in an ideal fiber-optic cable?
94. ### Physics

By how much shoould a pair of light rays from a common source differ in length to produce destructive interference?
95. ### Physics

What is the color of all the visible light frequencies mixed together equally? I would think white. Is that right?
96. ### Physics

If U-238 splits into two even pieces, and each piece emits an alpha particle, what elements are produced?
97. ### Physics

According to special relativity, the momentum (mv) of an object at relativistic speed is actually: more, less or no different than if it were at rest
98. ### physics

What constant net force is required to bring a 1500 kg car to rest from a speed of 100 km/h within a distance of 55 m?
99. ### Physics

What is the shortes possible time in which a bacterium could travel a distance of 8.4 cm across a Petri dish at a constant speed of 3.5mm/s?
100. ### Physics

What is the gravitational field strength at a place 220km above Earth's surface, the altitude of many piloted space flights?