# Math/Physics

209,467 results, page 81

### 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 X-4Y=49 3Y-4Y=-66

### 7th grade Math

I did tips for math i need HELP!!

### math

need help with math 117 week 4 checkpoint

### Math

Im in advanced math and were doing Graphing Inequalities and im not sure how to do it.

### Reiny MATH HELP

I think you are a math tutor, could u help me with my problem?

### math

how doo i do my my math homeeework:congruence problems.

### Math

Can anyone help me solve a Math Olympiad Fraction problem?

### math

What does rule mean in second grade math

### Math

Please help, I need help with the substition method in math!!!!!!!

### math

how is basic math used in the medical office?

### math

i need an answer to the math problem: 90.9 divided by (1.75 x 1.75)

### Math

Could someone explain to me how to work these math problems. Thanks. -4 -n -4n + 15 -10 - (-7n) + (-9n)

### math

what is the math term with the letters enitmelgens unscrambled

### math

what is input output in 3rd grade math

### math

are we allowed to use calculators in sat 1 math?

### math

Find the sum using mental math 24 + 71 =

### math

Solve for the value of x using mental math.1/4x = 1/4

### math

whats a math problem for 48 divided by 8 equals 6

### math

multiply using mental math 25*400=

### subtraction (math)

How do you find 81 - 16 using mental math?

### Math

Solve the equation using mental math. 6 6/7 = n + 5 3/7 = ?

### Math

How do I go about solving this math problem. -172=-1-9p

### Math

How do I solve this math problem. -2-10a=158

### math

what is the math trivia of direct square variation?

### Math

Happy late pi day to you math lovers.

### Math

n^3+2n is the multiple of 3 prove it by math induction method

### Math

I need help with a math test 5 wks. from now! Help me!!!!!!!!!!!!!!!!!

### Math

what is 8x25x23 in mental math use subtraction

### Math

Please solve the Q look ( nina, math)

### math

How to write math paragraph for k+8=5 and, w+12=5 8th grade

### Math

explain how to find 40 x 50 using mental math

### math

how do you do 6th grade math cryptic quiz ?

### math

roetopodsaoenrfir need to unscramble for a math paper

### COMMON CORE MATH

What does method mean in math?

### math

why shud math be included in alll the streams

### Math

17Min and 38mind explain the mental math

### Math

My math question is: 3 3 -5 (2x2) - (10-6) . 4 My answer is 15/16 Am I correct

### Math

I need help with this math problem. From the reciprocal of 1/9 take 3 2/5.

### Math

Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?

### Math

What is the difference between exponents and subscripts in math?

### Math

Can you help with a math word problem on rates and ratios

### Math

2/3+3/4= 8/12 + 9/12= 17/12=1 4/12=16/12=8/6=4/3=1 3/3=2 Can you please be so kind as to check my math problem. Thank you

### Math

Tell how to find 81 - 16 using mental math

### Math

insert +, -, X, /, and () to make each math statement true 4 4 4 4 = 10 4 4 4 4 = 6

### Math

How do I work this out: beth took a math test and scored a 75. She took another math test and scored 20% higher. Whatis her scorefor the second test?

### 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 ...

### Math

im lost evaluate 30 divided by 5*3-2 all over/2-2divided by 3 Math - jim, Tuesday, October 20, 2009 at 5:39pm You 'll have to clarify that. Do you mean: 30 / (5*3-2)/ (2-2/3) ? Math - Diana, Tuesday, October 20, 2009 at 7:40pm no Ill try to write it out thirty divided by 5 ...

### math

In a survey of 25 college students, it was found that 9 were taking an English class, 14 were taking a math class, and 8 were taking both English and math. How many students were taking a math class only

### Math

Jance spend from 7pm to 9pm doing her homework. She spend 3 times as mach time on her english project as she did on math. the science homework took twice as long as her math homework. How meny minutes did she spend on her science homework?

### Derrick

John kept track of all his math and reading test scores throughout the year as shown in the table below. Test 1:90math 80reading Test 2:75math 90reading Test 3:80math 70reading Test 4:90math 75reading Test 5:95math 90reading What is the difference between the median of his ...

### math

in a school of 100 students, 59 are taking math, 51 are in english, 35 are in history, 24 are in both math and english, 19 are in both english and history, 13 in both math and history, and 11 in all three courses. how many students are taking: a) none of the classes? b) only ...

### 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. ...

### math

I need help on a math question. It says to write two fractions with a product between 10 and 11. Does anyone know what the answer is? Thanks. THere are several million ways to do this: 21/2 * 1/1 21/3 * 3/2 and so on and so on.

### A math question needs answering

math terminology needed! how do you find the whole set in fractions? How do you work out (20x2)- x =10 -x

### math

does any one have a fifth grade math book My son forgot his and we need the problems 8-20 even only on page 47 thanks

### Math

my math book tells me (Use the digits0,2,and5 to make a three digit numberthat has both 2 and 5 as factors.) please help

### Math

I've missed a lot of math in the past few years so I'm a bit behind. I need to solve this question using reciprocals. 15.6 + 5.5 ------------- 18.1(11.1-9.2)

### math

i'm a poet... i don't know math!!! Write 3 X 10^7 km^3 , the total volume of the continental Antarctica ice sheet, in standard form. would it be 30000000000 ?

### math

Can somebody PLEASE help me understand how to find the domain of a function. I have an F in algebra 3 and just got a 50% on my math quiz. I'm desperate!

### math

Math:How could the following information be represented as a ration? Of fifty people interview, none had ever eaten sushi. is it 50:0

### Math

I need to describe what the graph of interval [-4, 10] looks like. I have a really hard time explaining math in words.

### 3rd grade math

Writing in math. Explain how you would use a number line to round 148 to the nearest ten.

### Math- Integrated math 4.

From the function rule h(t)=60t-16t^2+2. How do we tell from the graph and the table whe h'(t) will be positive, where it will be negative, and where it is zero.

### Math

Henry took a math test and answered 22 out of 25 correctly. What is his score as a fraction, as a decimal and as a percent. Can anyone explain please

### Math

Can you use the numbers 1 - 9, along with any math symbols and operations, to arrive at the answer of 100 when the 6 and 9 have a negative sign in front of them?

### math

Multiply 34.5 by 14 and you should get 483 right. So when i did the math, i got 4830. Can you explain what i did wrong? Do i have to cross out the zero?

### Math

Samantha wants to buy 6 roses 4 carnations and 8 tulips she estimates that she will spend about 14 dollars on these flowers do you agree math chapter 5

### math

Writing in Math To find the sum of 4/9 and 7/12, Mario rewrites the fractions as 8/36 and 21/36. His answer is 29/36. Is Marion right? If not, show his error and correct it.

### math

hi! so I have almost finshed solving a math equation i'm just stuck on this one last thing: x^3=3.85x10^-17 and I don't know how to isolate for x! plz help

### math

How many different ways can you and six of your friends sit in your assigned seats in math class? (A)6!; 120 (B)6!; 720 (C)7!; 2,520 (D)7!; 5,040 C OR D?

### math

How many different ways can you and six of your friends sit in your assigned seats in math class? (A)6!; 120 (B)6!; 720 (C)7!; 2,520 (D)7!; 5,040 C?

### Math

I don't get where u got the 1:80 from 2:20 the time left in math class? Why and how did u change 2:20 to 1:80? I'm 25 yrs out of school trying to help my 5th grade daughter

### 7th grade math (probability)

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up drawn...

### PHYSICS- PROJECTILE MOTION

A physics book slides off a horizontal table top with a speed of 1.90 m/s. It strikes the floor after a time of 0.410 s. Ignore air resistance. a) Find the magnitude of the horizontal component of the book's velocity just before the book reaches the floor. b) Find the ...

### Physics repost

Posted by Mary on Saturday, October 6, 2007 at 5:13pm. Suppose you wish to make a solenoid whose self-inductance is 1.2 mH. The inductor is to have a cross-sectional area of 1.2 10-3 m2 and a length of 0.048 m. How many turns of wire are needed? For Further Reading Physics ...

### physics

a person jumps from a window 15m above a safety net. The survivor stretches the net 1.0 m before coming to rest. What was the average deceleration experienced by the person when they were slowed to rest by the net? I do know the answer is -150m/s2,but I don't know how the ...

### physics

You are part of a team to help design the atrium of a new building. Your boss, the manager of the project, wants to suspend a 16.0 kg sculpture high over the room by hanging it from the ceiling using thin, clear fishing line (string) so that it will be difficult to see how the...

### math

the expiremental probability that ryan will have math homework on a given school day is 80%.on how many of the next30 school days can ryan expect to have math homework?

### physics

How does the width of the central region of a single-slit diffraction pattern change as the wavelength of the light increases? Look at the formula on this.

### PHYSICS

IF JOE RIDES SOUTH ON HIS BIKE IN A STRAIGHT LINE FORE 15 MIN WITH AN AVERAGE SPEED OF 12.5KM/H, HOW FAR HAS HE RIDDEN?

### PHYSICS

SIMPSON DRIVES HIS CAR WITH AN AVERAGE VELOCITY OF 48.0KM/H TO THE EAST. HOW LONG WILL IT TAKE HIM TO DRIVE 144KM ON A STRAIGHT HIGHWAY?

### Physics

If a projectile is fired straight up at a speed of 10 m/s, the total time to return to its starting position is about ? When I use the quadratic formula, I get -8.97

### Physics- for Quidditch

I posted the question about the rain before and I understnad how to find componnets...but how would I do that without a given angle?

### Physics

A player kicks a football from ground level with a velocity of magnitude 31.0 m/s at an angle of 30.0 degrees above the horizontal. What is its maximum height?

### physics

A ball of mass .3 kg is dropped from a height of 10m. Its momentum when it strikes the ground is? I know p=mv how would I find velocity for this problem? Thanks in advance for your help.

### Physics

If a person jumped off the side of a ship from 20 feet high what speed would they be travelling at when they impact the water? Thanks Mike

### physics

please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer? yes????

### Physics

How much force are you exerting on the earth right now? How can a rocket operate in outer space? Describe the process of walking.

### physics

what r the 4 forces on a plane whilst in flight?, im confused, i don't no whether it means like air resistance....or thrust.maybe u cud help me out :S

### Physics

Two negatively-charged bodies with -5.4e-5 C are 0.20 m from each other. What force acts on each particle? F=kqq/d^2 F=(9.0e9)(q)(q)/(.20^2) Would both q's equal -5.4e-5 C?

### physics

Two equal point charges of +3.00 * 10^ -6 C are placed 0.200 m apart. What are the magnitude and direction of the force each charge exerts on the other?

### Physics

How much work must be done to bring three electrons from a great distance apart to 1.0 * 10^(-10)m from one another (at the corners of an equilateral triangle)?

### physics

when preparing to undergo an MRI scan, why are patients advised to remove eyeglasses, watches, jewelry, and other metal objects?

### physics

You're explaining to a younggster at the seashore why the water is cyan colored.The youngster points to the whitecaps of overturning waves and ask why they are white. what is your answer?

### Physics

Three identical charges of 50 micro C are arranged at the points of an equilateral triangle 2 meters on a side. What is the net force on each charge?

### physics

Which of the following physical properties can be used to measure temperature using a thermometer? A)volume B)pressure C)density D)viscosity I got A