Math/Physics
212,527 results, page 81

physics
A ball thrown with a speed of 100m/s,attains a height of 150m (g is 9.8m/s2.Calculate (i) time of flight (ii)angle of projection 
Physics/chemistry
Which of the following substances does not conduct electricity? A. Graphite B. Glass C. Sulphuric acid D. Table salt solution 
PHYSICS
AN OBJECT MASS OF 10KG IS PLACED ON AN INCLINED PLANE AT 30 degree at the horizontal calculate recreation between two su 
Physics
Which object produces energy in the form of light? A Venus B the sun C the moon*** D Halley’s comet I think it is C, but I'm not sure! 
physics
Peter Pan is suspended in space. He throws an entire jar of pixie dust to his left. Which way does he move? 
physics
Write a multiplechoice question that requires the reader to apply conservation of momentum to a system of two objects. 
Physics
A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus 
physics
The position of a particle moving along the x axis is given by x = (21 + 22t − 6t^2)m, where t is in s. What is the average velocity during the time interval t = 1s to t = 3s? 
Physics
A raindrop has a mass of 5.9 107 kg and is falling near the surface of the earth. Calculate the magnitude of the gravitational force exerted in the following. 
Physics
A laser is aimed at the moon. The spot of light is seen on the lunar surface 2.37 s later. What is the distance from Earth to the mooon 
physics bob
still i cant find the normal force without mass of automabile. is normal force mass times gravity sin theta? on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same automobile on a simalr road ... 
phsyics
Posted by MELANA on Thursday, October 18, 2007 at 5:14pm. An object in equilibrium has three forces exerted on it. A 30 N force acts at 90° from the xaxis and a 44 N force acts at 60° from the xaxis. What are the magnitude and direction of the third force? NO IDEA WHERE TO... 
Math
my daughter is working on a math problem called factor capture have any idea as to the rules for understanding it 
Math
My daughter has a math paper that asks to make a stemandleaf plot of data. I have no idea what this is! 
math
what would be the equation of a line that has a slope of 2 and passes through point (3,5)? Please help! Math test tomorrow:( 
math
Trying to help son w/math. Mom needs help please! translate the statement. (The product of a number increased by 10 and 4 is 22) 
Math
I need help with this math question: What percent of 400 is 12? Can you please write down the steps and the answer to this problem? 
math
unscramble these letter for a 5th grade math question dealing with fractions and decimals. the letters are IPDLISAF 
math!! help pleaseee
5: 2 = 8 : 10 please explain to me how to do thissss :( im so lost and i have to one to turn to or any math books or anything. 
Reiny+Damon
Can you reply to my last math+log post =) thanks. I'm going to be having alot of math questions today. 
Math
I need some help with my math.. It says is each equation a direct variation? If it is find the constant of variaton. 32. f(x)=3x 34. y=2x+5 I don't get how to do these.. please help me. 
math
I am doing 4th grade number sense are there any cool math tricks or short cuts that would be good for me to know. 
math
2nd grade math question Show how you would explain "Make a 10" to someone who never heard of it. 
math
What are some suggestions teachers can give to parents so that they might assist their children with unfamiliar math concepts? 
Math
Show all work solve the Math: Polynomial inequality and express the solution in set notation. 2t^2  3 < or = to t 
Math
How do you find the surface area of Prisms and cylinders? The stuff in my math workbook does not help me like at all! Please Help! 
math
in my math book i got a question that said order these number from least to greatest 0.09,3/25,8,0.1. My answer is 0.1,8,0.09,3/25 am i correct. Thanks. 
Math
I'm doing a project and I have looked everywhere for this answer. It's if using 50 math tiles how can you make the smallest area? 
Math
Math Question: winning time of a marathon is 1 hour, 24 minutes and 11 seconds... How do I find the average speed? 
To Reiny, math helper
can you look at my post, its just 4 math terms I need to figure out, please help 
Math
If I had the math problem: 2^4 x 3^9   3^5 2^7 And I used the method of sorting the bases and subtracting the exponents. Would my answer be 2^3 x 3^4? 
math
use integer values of x from 3 to graph the equation. (the x has a 2 above it,like to the second power) y=2x+3 I don't know how to do this kind of math. 
math/algebra
I am having a hard time with math I cant get it. Write each rational number as a terminating decimal. 19/20, 1/8, & 17/5 can you please help!! 
4th grade Math
What is an expression that can be used to find 4 x 275 using mental math and properties of numbers? 
math
Describe a situation this week when you used math to solve a problem involving data, graphs and statistics. 
math
I'm very confuse my teacher talk bout her life in never teach us students the math lesson. y=3/2x1 y=x+4 
Math
Can you drop your email for my math question?Its on Google classroom and it has a picture that does not copy onto jiskha's homework help 
Math
I'm doing my math homework. 25*f=100 or twentyfive times something equals one hundred? Please help me. 
math
create a tree diagram to show all possible arrangements of the word "MATH" how many outcomes exist? 
English
1. Boys are better at math than girls. 2. He is the best at math of all the students in his class. (Are both grammatical?) 
Math
Find the mode of the set of data 59,61,54,51,38 46,56,52,63,40,44 1.B 2.D 3.C 4.A 5.D 6.C 7.B 8.C 9.C 10.C 11.B 12.D 13.B 14.A 15.A 16.A 17.D 18.A 19.C 20.D Math lesson:10 Unit:2 Practice test 100% answers 
math
seriously ms sure could you stop? I'm just trying to help this person out with their math and you keep deleting things 
Physics
Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool enough, he threw ice ... 
life science , geography , history and math literecy
I am a grade 11 student and want to follow careers linked to geograpy . My problem is that most of the careers I am in interested in want pure math and im doing math literecy . My question is that , Is it possible for me to start mathematics in University so that I can follow ... 
Math( 7th grade advanced math so 8th grade math)
Bacterial populations can grow to enormous numbers in a matter of a few hours with the right conditions. If a bacterial colony doubles size every 15 minutes, how many bacteria will be present after 1 hour if the colony began with 4 bacteria? 
Math
what kind of math journals, essays, & projects you guys do in 7th grade math??? i'm really curious i saw the grading policy 2 my skool website here is the grading policy for math DISTRICT GRADING POLICY MATHEMATICS 70% FORMAL ASSESSMENTS (Tests, Quizzes) 15% ALTERNATIVE ... 
math
Im good and all at math but I have a question this isn't tricky its like a math brain buster!Suppose you round each group of numbers to the nearest ten.which group of numbers all roundto the same number? A.423,418,426 B.376,378,384 C.255,253,251 D.688,692,696 
algebra
From 2009 to 2014 the percent of students placing into Math 101 has increased from 13% to 25%. Meanwhile, the percent of students placing into Math 222 has dropped from 25% to 7% If both placements change at a linear rate, what will the percentage be when the percent of people... 
About previous Physics post/answer from Bobpursely
So do you mean to say....Ferris wheels use motors, therefore meaning that electrical energy is present. Electrical energy from the motor is then turned into kinetic energy. Electricity, generated from a switch and wires, travel through the motor which makes a magnetic field. ... 
University studies
According to the Center for Mathematics Excellence, which of the following is a math myth? A. Knowing the rules and how to use them is the most important part of math. B. Even people who are highly skilled in mathematics and science find these subjects to be challenging C. ... 
EnglishUrgent
I have to find the subjects and verbs in all these sentences, please let me know if I did it correctly. Thank you. A guy whom I work with has a theory about college students. (Verb=work, has) (Subject=guy, theory) He believes that students' majors reflect their personalities... 
math
Consider two types of nonlinear equations. What unique quality does each possess and how does that quality cause the graph's unique shape? Name two unique examples of these shapes in realworld situations would someone please let me know what they get for the answer and i ask ... 
Math 6th grade
Does any one know a really good websites for 6th grade math ? I'm behind in math and need to catch up or else I'll be really super dum . I need HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
Math
Johnny spent 4 2/3 for his exams studying for his math exams. He spent 3/4 of the time studying for math. How many hours did Johnny spend stydying for his exam? How do I show the number sentence? 
math
1 1/2 * 3 1/5 = 1 1/2 = 3/2 3 1/5 = 16/5 Multiply numerator and denominator to arrive at the answer. Be sure and reduce the fraction if possible. Please help Angelina!!!!!!!!!! With Math. 
math
I'm doing my math, but i don't understand these 3 things mean: lowest common denominator simplest form of a fraction reciprocal help plz and thank u! 
math
I am trying to understand how to translate math questions into an inequality. Here is an example: The cost is at most $4857.95 
math
A student's scores on four math tests were 89,92,95, and 85. What will he need to make on the 5th test to have an average of 93? is this possible? HELP! 
Math
I'm TOTALLY stuck on my math!!! How do I find the unit rate of $11.49 for 3 packages?? I have to round to the nearest hundredth if necessary.... :) 
Math
Need help with the below math please tell how you could use a number line to determine which of two numbers is greater. 
math
whats th eanswer to the math page. why do elephants have ivory tusks? and the answer to what can you use to tie up a spaceship? 
math
Dear Ms.Sue is the answer to 5lb.13oz. 67oz. By the way your helping my future,I want to be a math and science teacher. 
Math
Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and multiplication etc. Thanks! 
Math
Mike scored 85, 88, 87, 93, 95, 92, and 83 on his math tests. What is the least he can score on the next test if he wants to maintain a 90 average? PLZ HELP ME!!!!!!!! I'm so confused 
Math
Can someone please explain to me exactly what type of math this is (e.g. radicals, linear equations) and how I would go about solving this? 
math
can someone help me with this math question?Solve the system of equations given below. x+3z=12 x2y+z=10 3x+5y+2z=7 I am really stumped. Please help! Thanks in advance! 
math
for grade 3 math Explain what happens to the square if you double the length of its sides.Draw 2 squares to support your answer 
math
i cannot solve the math question i was given. Problem: a chef has to divide 5 heads of lettuce on 12 plates, this answer is to be afraction. 
Math
I need help on one of my math questions. 7. A coin is flipped, and a number cube is rolled. What is P(T, then odd)? (1 point) 1/4 1/12 1/6 Help plz. 
Math Question 2
i need to noe the factors of 63. im doing math hw 
math
I have a math test today.What shoud do? 
math stuff
how does math apply to biulding cars 
math studies
how is math applied in building cars 
I need help in math
Are their anyone who online right now who can help me in math? 
math ?
is there anyone online that can help me with math questions ? i have A LOT! (: 
math
can sumbody help me with the steps to this math problem? Evaluate: 9 + (82)^2 x 20 / 5 
Math
How could you use mental math to find 3x122? 
math
the letters r e a o p r d d r i e will amek a word in relationship to math 
MATH
WHAT ARE THE BEST WAYS TO STUDY FOR MATH TEST... 
math
what dose the n stand for inthe math question 54n=24 
math b
is there a web site to help with math b i don't understand angles 
math
how many times was math used in the movie "the notebook" 
math
what is the definition of the math term varible expression 
Math
How is math useful to my career in Sports Medicine? 
Math
How do I solve this math problem.. (1165+1+3x2) divided by 5 
math
Did you hear about the Cheerleader Who loved Math? 
math
What does FOIL stand for in Math Like PEMDAS 
math
tommorow ihave a math test how do I handle that? 
math
What are good sites to study ratios in math? 
MATH Introduction to Math Skills and Strategies
Evaluate when x = 17 and y = 4. 
MATH Introduction to Math Skills and Strategies
Solve. 7 + 8 + (2) + 6 
math
sorry guys i m difficulty student with math. 
math 10 general math
what is the yield for 8.5% compound continously? 
Math
I've been taught by my math teacher that pi = 22/7. Is that true? 
math algerba
i need help with my math homework i wanna know what is 46 to 23= 2 to n? 
college
i need math help please. on a math problem 
math
ugh,why is math so difficult and what can i do to make it easier? 
Math
need help UOP math 116 quiz 6 
Math
Please help me unscramble this math word reaoprddrie. 
math
SOLVE THE SYSTEM USING SUBSTITUTION MATH X4Y=49 3Y4Y=66