# 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 โ 10-31 kg) and the proton (1.67 โ 10-27 kg) in a hydrogen atom is 1.06 โ 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) ?