# Posts by Avery

Total # Posts: 145

general science
a 210 Newton force is applied to a piston, the force produced is 320 kPa of pressure, what's the area of the piston?

Physics/Math
Oh! I understand now, thanks so much to both :)

Physics/Math
Sorry, how did you get that? :(

Physics/Math
Two cars, 127 miles apart, start moving towards each other at the same time. One is moving 3 times as fast as the other. If they meet 1.5 hrs later, find the average speed of the slower car in miles per hour?

My number is even. My number has 3 as a factor. My number also has 5 as a factor

Physics
Two objects are connected by a light string that passes over a frictionless pulley. The incline is frictionless, m1 = 2.00 kg, m2 = 4.00 kg, and theta= 60.0°. (b) Find the accelerations of the objects. Magnitude (c) Find the tension in the string. N (d) Find the speed of ...

Physics
A small bug is nestled between a 1-kg block and a 2-kg block on a frictionless table. A horizontal force can be applied to either of the blocks as shown in figure Q5.24 (i) In which situation illustrated in the figure (a) or (b), does the bug have a better chance of survival, ...

Physics
In a 100 m linear accelerator, an electron is accelerated to 1.40% the speed of light in 35.0 m before it coasts 65.0 m to a target. (b) How long does the total flight take?

math
How do I draw a reflex angle ZYX so that it measures 255 degrees?

Ff
The coefficient of static friction between the m = 3.50 kg crate and the 35.0° incline of Figure P4.41 is 0.340. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? Your response differs from the ...

Physics
Assume that the three blocks in Figure P4.27 move on a frictionless surface and that a F = 46 N force acts as shown on the m = 2.5 kg block. Figure P4.27. (a) Determine the acceleration given this system. m/s2 (to the right) (b) Determine the tension in the cord connecting m ...

math
173.32. me and my dad did it at the same time.

Math problem
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an \$80,000 loan from your family and a \$38,250 small business loan. These loans must be repaid in full within 10 years. a.What ...

math problem
Can you determine which number corresponds to the situation THe record high temperature for a date is 95.6 degree above zero What is the corresponding number for this sentence.

math problem

Math problem
evaluate a+b/10 for a = 68 and b =12 a+b/10 =

Math problem
The formula b=29a is used to estimate the minimum furnance output B in btus for a modern house with the amount of square feet of flooring A 1. determine the minimum furnance output for a 2300 ft2 modern house 2. solve the formula A

Physical Science
An aluminum nucleus has 13 protons and 14 neutrons. A copper nucleus has 29 protons and 34 neutrons. What is the force of repulsion between an aluminum nucleus and a copper nucleus when they are separated by 1.2 nm?

math
First, a square gives the greatest area, but the length and width are whole numbers. 4 doesn't go equally into 46, but since it does in 48, the results should be a close to 12 X 12 as possible, so the size is 12 meters by 11 meters 2l + 2w =p 2(12) + 2(11) = p 24 + 22 = 26

math
I need help on finding sales tax and discount

College Physics
If the river is flowing downstream at 1.5 mi/h and he can swim 2.0 mi/h then the angle he would need to swim at in order to swim straight across would be arctan(1.5/2) which is equal to 36.87 degrees. This is because you can form a right triangle with 1.5 being opposite the ...

math
6/18 = 1/3

geometry
How do I figure out the dimensions of each room in a 1200 square foot house with a closet and bathroom the same size, a big family room, and two circular bedrooms?

Geometry
no

algebra
Solve the proportion x / 12 = 91 /84

Math- Geometry
Can anyone help me answer this question... Find the area of a right isoscles triangle if the altitude on the hypotenuse is 4 cm.

Math
240 m of fencing material is going to be used to enclose three sides of a rectangular lot. What should the dimensions of the lot be so that the enclosed area is as large as possible? (I'm supposed to solve this using a quadratic equations but I don't know how...)

Algebra
don't get it

Algebra
A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.

Algebra
2.5 hours

Algebra
Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?

Algebra
A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?

Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...

Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...

Riddle
A cow ate him

Calculus
3^2/3^4 I did this through my calulate and I came up with 1/9, but that is not the correct answer. I'm not sure what to do?

I need a math vocabulary work that begins with a J

math
Betty has nine pink ribbons and eight blue ribbons. What fraction of Betty's ribbons are pink? *I am trying to teach my little brother how to do this. How can you write it so i can tell him how to answer the other problems to? I don't just need the answer pelase.

HSM 220 Creating a Budget
I had problems too, but somehow figured it out. Take the first amount, such as the rent at \$125,000. Multiply 60% times the 125,000 for the basic skills and multiply 40% times the 125,000 for the vocational. Therefore 75,000 for basic, and 50,000 for vocational. Do this for ...

science
What layer of the atmosphere acts like a giant magnet? What does it attract?

grammar
In the sentence "On track and field day, the teacher was very proficient at announcing the events", is the word "proficient" a noun or verb?

Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) --> <--- Na2CO3 (s) + H2O (g) + CO2 (g) 100 g of solid NaHCO3 was placed in a previously evacuated rigid 5.00 L container and heated to 160 degrees C. Some of ...

Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) --> <--- Na2CO3 (s) + H2O (g) + CO2 (g) 100 g of solid NaHCO3 was placed in a previously evacuated rigid 5.00 L container and heated to 160 degrees C. Some of ...

social studies
how did women help prepare for the civil war??? i cant find in s.s book you should double check your book. if you cant find it in there you could use the internet, but i would check the book

Math
I need help with this problem: If N= {1,2,3,4,....}, A= {x/x=2n-1, n E N}, B={x/x=2n, n E N}, and C= {x/x+2n +1, n=0, or n E N}, find the simplest possible expression for each of the following: a. A U C b. A U B - the U stands for union c. A (intersects) I can't find the ...

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