Math/Physics

211,502 results, page 72

Science - Physics

how much power is in my bicep if i can lift 50kg a height of 50cm 40 times in one minute?

Physics

If the gravitational force between the electron (9.11 โœ• 10-31 kg) and the proton (1.67 โœ• 10-27 kg) in a hydrogen atom is 1.06 โœ• 10-47 N, how far apart are the two particles?

Physics

a body of mass 4kg is moving with a momentum of 12kg m/s it's kinetic energy 1:3 then ratio of their velocities Ans:1:3

Physics

a canon fires shell at 300m/s. at what angle must it aim to hit a target 5.0km away?

Physics

I really need some help here.please can someone explain the mechanism of electrical conduction in metals

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...

math

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

math

any good websites that explains everything about radians for gr12 math?

math

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

math

unscamble the word: ripem , phase , and clamidd into math words

MATH ELE.

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

math

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

math

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

math

how much will the value change? its 4th grade math please help?? 7,564 = 2

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 =

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

Math

Please help in unscrambling the following math vocabulary: TSREECVI DYNRCEIL YESHENOTUP Thanks!

9th grade 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...

math

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

Math - Trigonometry

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

math

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

math

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

math

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

Math

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

math

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

math

five times the sum of a number and four into math expression

MATH

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

math

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

Math

Math riddle worksheet "did you hear about" 20 boxes Answer ASAP

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?

Math

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

Math

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

Math

Simplify. (82 - 60) + [(-3 x 4) - 36รท4] 25 19 10 1 <- I think this one is right I really hate math!!! lol...

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.

math

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

math

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

Math

How many questions are on the 9th grade math scantron performance series test?

Math

What is the best way to use mental math to multiply (5x18)x20?

math,geography,agriculture,life sciences

What careers can I enroll without math??

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.

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

math

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

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

Math

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

math 8th grade

How do you prepare for a math test?? Please help me i don't understand the question.

Math (connexus)

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

Math

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

Math

How many letters in the word MATH have more than one line of symmetry?

Physics

Note: I am in Algebra-based Physics Two 35.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that is fastened to the ceiling. Start solving this problem by making a free-body diagram of each ...

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...

Physics

During an action potential, Na^+ ions move into the cell at a rate of about 3x10^-7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 40cm long and 30um in diameter...

math

wat is dilation in math during moving or changing a figure

math

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

math

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

math

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

6th Grade Math

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

Math

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

math

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

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)

math

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

math

trying to unscrable the letters jeatdcn into a math word

Basic College Math

What numbers in a math problem adds up to 331/3?

Math

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

math

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

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?

math

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

Math

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

math

Writing in math, how can estimating help you add two-digit numbers?

math

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

math

i need to unscramble these math words icarlafto untoegrnc enitmelgen

math

How could constructivism be used in an integrated approach to teaching science and math?

Math

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

math

Have a math question Determine whether or not the network is traversable.

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 ?

math

use mental math to find each value cost of 8 items at $12.98 each

Math

again, i am in desperate need for checked answers on my math questions

Math

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

3rd grade math

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

Math Grade 2

tell how you uesd mental math to find the difference

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?

math

How does exponents work? Is it ust multiplication...please help me i am in grade 7 math

math

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

Math

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

math

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

math

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

math

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

^th grade math,

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

advanced math

Math the equation a single logarithm. Express as factors. ln(x/(x-1))+ln((x+1)/(x))-ln(x^2-1)

ANY LINKS FOR THIS ?? MATH

Essential Math 7 - Unit Rates and Ratios of Fractions

math

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

Math

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

math

What are the answers to the middle school math with pizzazz book e page 29?

MATH MATH

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

Math

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

math

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

Math

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

Math

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

math

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

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) ?

Math

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

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