# Math/Physics

208,687 results, page 65

### Math

We are doing multi-step equations in math. And this equation is kind of hard for me because the variable is alone. h-6+7h=42 What does "h" equal?

### math c30

-pi/4 plus 15pi/4 divided by 2=7pi/4 how is the math done regarding the fractions (dividing and multiplying)

### math

math : write an equation that uses 18-?and 10+2.explain how to decide which numbers would make it true.

### math

i also have a math test tomorrow and i get sooo confused with irregular shapes in geometry

### math

find the product using mental math and the distributive property for 7(15) showing the work as shown

### 2nd grade of math

Writing in math.Use counters.Tell how to make 10 when adding 8+5. and how it explain?

### MATH/CAREER

If I want to be a pharmacist should I take IB Calculus or Math 251&252 in high school ?

### Math

You have used tables, equations, and graphs for math. When would you use each representation. explain

### math

Josh completed 2 math problems in 2 minutes. Julia says he did 3/5 of a problem each munute. is she correct?

### Math

I need help with the below math problem. I have to write out the steps to show the answer. 2(x - 14) + 3 = 7x + 5

### Math

Math - Tyler, Wednesday, May 14, 2014 at 2:51pm Solve (z +2)^ 4/3 = 4 where z is a real number please helpp

### math

The test scores for a math class are shown below 83,85,82,93,83,84,95,87,86,94 what is the standard deviation of the data set?

### Math

Explain how to find the greatest common factor of three numbers. Grade 6 GO MATH BOOK

### Algebra

Find the 20th term of the following sequence. -6, -4, -2, 0, ... 32 44 46 I did the math but I don't know if it's correct, I'm not very good in math.

### math

Given the proportion 3x+2y/7=2x+3y/8, determine the value of xy^2-x^2y/x^3+y^3 This is what I got so far... 3x+2y/7=2x+3y/8=k 3x+2y=7k 2x+3y=8k And that's where I'm stuck at solving this math question.

### Math

in the expression -7x - 5x^2 + 5, what is the coefficient of x? A.) 7 B.) 5 C.) -7 D.) -5 Can anybody help me with the math? It's not my best subject... (or if you'd just give me the answer that would be fine too, XD.)

### Math

Students can improve their math performance by putting forth additional effort when necessary. Is this true?

### Math

what is the supplement of the complement of an angle measuring 52 degrees? i dont fully understand this question or how to do the math on it.

### Math

Does anyone have the answers for the Penn Foster Math for Business and Finance proctored exam? 060497

### Math/Algebra

I need help on a Middle School Math With Pizzaz worksheet. It is titled, Vive la France!

### Math

I need help with an IB Math Internal Assessment on Matrix Powers.

### math

help i am failling math!!! worksheets and any more practice will kill me!! help

### Math!~Algebra

Issues with these 2 math problems and no examples in the book. S^8/S^5 -4x^3+9x^2-6x-1

### Math

What is "mental math" and give examples. 4th grade

### Math

for my math project I have to know how much mass is in a superball. . . . THANKS!

### Math

Can anyone help me with this equation in math. here it is..... 5x x 18.75=93.75 does anyone no how to convert this into the anwser?

### math

can someone unscramble these math words reaoprddrie enitmelgens

### Math 213 Elementary Math

List all the subsets of {2, o, t}.

### Math 213 Elementary Math

1. List all the subsets of {2, o, t}.

### math

Accoring to math teachers, what did the acorn say when it grew up?

### Math

Can anyone tell me where i can get IGCSE Extended math past papers?

### Math

unscramble the letters UEEMTTRARR to make a math word

### Math

Can someone tell me what allegro mean in math terms?

### math

explain how you can find the sum 25+59 using mental math

### math

looking for any mathematical characteristic of the number 13 for a math project

### Math

what is the total width of 21 math books that are .78 centimeters thick

### math

Is 2340 divisible by 90 how do you know? In Math please answer quick

### MATH

why do we use some math things that isn't going to help us in the future?

### math -discrete math

Calculate P({{x}})x P(P({{{x}}})) Find the power set.

### math

Is it reasonable for a 7th grader to use a calculator for math?

### Math/116

I need some help with my math lab week 7

### 8th grade math

I need to know how to work this math problem: 3n + (-7) -5n +1

### math math

How do you write the solution to represent the point if intersection?

### math

examples of role play in math with dialogues and characters

### math

I have a math question abdedbabde 1234321234 how do I do this problem

### Math

What does "standard form" mean in 3rd grade math?

### Math

According to math teachers what did the acorn say when it grew up

### Math math

Write the number for 3 hundred plus 5 teens

### Math

How do you get the big number on a runaway math puzzle worksheet

### Math

If I had a math problem of 3n^4/3n^3 would my answer be 1n^1 which equals to n^1?

### Math

the math problem is 8 3/5 divided by 1 2/3 =5 4/25 how do you answer with bar models

### math

explain how to use mental math to find 700 x 8

### Geometry

Quadrilateral MATH is a parallelogram. The perimeter of MATH is _____.

### Math

Can you explain this: For my math problem 23 4/7 divided 4 it says to estimate. What do I do?

### Math

file:///G:/STAAR-G7-2014Test-math.pdf please help

### math

I need 1 paragraph explaing where math came from for my uncle

### Math

What are equal intervals? I have a math question that deals with them but I don't what they are.

### Math

How do I use the distributive property to rewrite the math problem 5(4 - y?

### Math

What is mental math in times 3 digits like 8times25times23?

### MATH

I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!

### Math

Did John Cena ever do math? It doesn't look like he did..

### Math

Has anyone taken the leap practice math pre-algebra (8/6/GT)??

### physics (pendulums)

i understand the PE and KE and MKE points and how gravity effects a pendulum, but how does kenetic and potential energy effect it?

### more physics

in the equation P= 2m/ ne^2 t what do these symbols mean? p - resistor m - mass of e- n - ?? e - electron charge>?? t - time between collisions??

### PHYSICS

IT TAKES YOU 9.5 MIN TO WALK AN AVREAGE VELOCITY OF 1.2 M/S TO THE NORTH FROM THE BUS STOP TO THE MUSEUM ENTRANCE. WHAT IS YOUR DISPLACEMENT?

### physics...please check my answer...

4.A mass of one kg of nickels has a monetary value in the US $ of approximately: a. $1 b. 10 cents c. $10 d. $1000 is it c?

### physics Again

bobpursley can you please check my reply to your post about my question? I am not sure if I did my equation correctly. Thanks

### physics

Could someone tell me if this is right? The voltage across a 10-ohm resistor carrying 3 amps must be E=I*R == E=3*10= 30 volts

### Physics

Is the answer to this 4? If the filament resistance in an automobile headlamp is 3 ohms, how many amps does it draw when connected to a 12-volt battery?

### Physics

I have a 1000 ohm resistor with a measured resistance of .967 how do I use submultiples or mutliples to get it in the SI units?

### Physics

Describe alpha, beta, and gamma rays. What exactly is each ray composed of? What are their characteristic radiation characteristics?

### Physics

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!

### physics

A positive and a negative charge, each of magnitude 1.7 10-5 C, are separated by a distance of 11 cm. Find the force on each of the particles. what formula do i use?

### physics

how much kinetic energy will an electron gain in J and eV if it accelerates through a potential difference of 23,000 volts

### physics

you chop 50 g of ice at 0 degrees celsius into 200g of water at 40 degress celcius. What is the final temperature?

### physics

The automobile is originally at rest at s = 0. If its speed is increased by dv/dt = (0.05t2)ft/s2, where t is in seconds, determine magnitudes of its velocity and acceleration when t = 18 s.

### physics repost

A 1.00-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 2.00 m/s. Find the centripetal acceleration. ac=v^2/r = 2.00^2/.50 = 8.0 m/s^2

### Physics

The discreteness of the energy levels of electrons about the atomic nucleus is best understood by considering the electron to be a .....?

### Physics

How does Rutherford's model of the atom account for the back-scattering of alpha particles directed at the gold foil?

### Physics

If a pair of carbon atoms were fused, and the product were to emit a beta particle, what element would be produced?

### Physics

List at least two major potential asvantages of power production by fusion rather than by fission.

### Physics

The position of some object moving along the x-axis is observed to be x(t)=9cos(pi*t/3+pi/4) meters. Find the frequency.

### physics

A lamp operates with a current of 0.625A and a potential difference of 120V. What is the currnt flowing through the microwave?

### physics

Calculate the energy released in the fusion reaction 2 3 4 1 1 H + 1 H->2 H +0 n. The atomic mass of 3 1 H (tritium is 3.016049 u. I am lost! help please!

### science

which physics principles are employed in stopping a runaway truck in a gravel and sand ramp at the bottom of a mountain?

### Physics

What happens when you plug more equipment into apower board in terms of it's resistance and current. Explain.

### physics

Charge polarization is normally produced by: nuclear interactions. contact. induction. friction. electrostatic means.

### Physics

1. What constant acceleration, in SI units, must a car have to go from zero to 69.0 mph in 13.0s ? 2. What fraction of g is this? (the unit for this answer is % of g)

### physics

Calculate the electrical attraction that a proton in a nucleus exerts on an orbiting electron if the two particles are 1.13×10^-10 m apart.

### Physics

What is the acceleration of a skateboard down a ramp inclined at 19.5 degrees to the horizontal? 3.271 is the answer. This shouldn't be too tough, but I can't get it. Thanks!

### Physics

calculate the magnitude of the resultant of a pair of 100-km/h velocity vectors that are at right angles to each other. Please help me! thanks!

### physics

a guy throws a ball up and catches it 3.5 seconds later. what is the max height and initial velocity. Please help!

### Physics

A 100-n boulder is sitting on a shelf 0.5 meters above the floor. What is the potential energy when its in its new location?

### physics

how much time does it take for a student running t an average speed or 5.00m/s to cover a distance of 2.00km?

### physics please help.

how do you measure uncertainy?? for instance.. if the average was .15 and the highest value among the data was .16 and the lowest is .13... how do you find the +-??

### Physics

How many times will the incident beam shown in Figure P25.3 (x = 1.90 m, y = 1.30 m) be reflected by each of the parallel mirrors? mirror on the right

### physics

you slide down a pole at a mass of 80kg with an acceleration of 4m/s^2, How do you show that the friction force that acts on you is 480N?

### physics

Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill?

### physics

Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill?