12/01/17
How do I know whethter to use a graph or a table to solve a system?
Hello, I am at a section of my class where it teaches how to solve solutions with graphs and tables, and I am on a practice section where it tells me to use either a graph or a table to solve the...
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12/01/17
how many molecules of water are present in half mole of water?
please give answer as early as possible
11/30/17
Calculate speed of the bobsled at halfway down the track and at the bottom of the track
The bobsled has a mass of 1200 kg that is 50 m above the surface of the Earth. Thinking about conservation of mechanical energy (potential and kinetic) calculate the speed of the bobsled halfway...
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11/30/17
A 25.0 gram meteorite composed of iron is moving at a speed of 300 m/s and slams into the Earth.
A 25.0 gram meteorite composed of iron is moving at a speed of 300 m/s and slams into the Earth. Assuming that 50% of the kinetic energy of the meteorite is converted into heat, by how much will...
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11/30/17
a question for my math class i need it done asap!!
A space plane skims the edge of space at 2000 miles per hour. Neglecting altitude, if the circumference of the planet is approximately 21,000 miles, how long will it take for the plane to travel...
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11/30/17
Please help with inverse word problem so I can teach my son
The v of a gas kept at a constant Temperature varies inversely as the pressure p. If the pressure is 24 lbs per square inch, the volume is 15 cubic feet. What will be the volume when the pressure...
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11/30/17
if it takes 1/4 cup of flour to make 1/6 of a cake, how many cups of flour are needed to make a whole cake?
I would highly appreciate any answers with steps.
11/30/17
Whats four times y is equal to three times the difference of five and x?
verbally finding equations and ordered pairs
11/30/17
Is x and x^2 the same thing? I mean can you add them to get x^3?
I am just wondering about that.
11/30/17
Write the equation of the line that has the indicated slope and contains the indicated point. Express the final equation in standard form. m = 1/2 , (7, 9)
Im not sure how to do this
11/30/17
The grade of a highway up a hill is 20%. How much change in horizontal distance is there if the vertical height of the hill is 75 feet?
Do I use cross multiplication ?
11/30/17
is there such a thing as an irrational number?
irrational numbers are numbers that don't repeat and don't terminate. but is there actually such a thing? at a certain point, it will definitely repeat no? so is there such a thing as an irrational...
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11/30/17
i think of a number, square it, then subtract the original number. The result is 30. What could the number be?
can you give me the 2 possible answers to this question please?
11/30/17
the function h(d)= -0.002d^2 +0.4d , where h is the height of the ball in meters , and d is the horizontal distance the ball travels in meters.
h(d)=-0.002d2+0.4d
11/30/17
Dropped from a cliff.
A cliff is 36 feet above the water. If an object is dropped from the cliff, the formula h=36-16t^2 will give the height above the water's surface, in feet, of the object at t seconds from the time...
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11/30/17
a block is moving with a velocit v on a straight surface what is the shortest distsnce and shortest time the block can be stopped
this is a question of friction i want the answer
The side length of a square is 9.6x10^5
to find an area of a square is A=a^2, but i can’t find the answer? Or my answer is wrong. please help me! Well appreciated.
11/28/17
Three angles that make up a triangle are x degrees, (5x+17)degrees, and (9x-32) degrees. What is x?
this question is for my school its homework and i dont understand
11/28/17
How much work is done by hand
A mass of 20 kg compresses a spring 50 cm. The spring is then compressed an additional 2 meters by hand and then the mass and spring are released. Spring constant is 392 N/mA)During compression...
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11/28/17
Trigonometry but this makes no sense??
The dock is 5 ft above the edge of a boat. If the boat is being pulled into the dock and has 32 ft of rope out, how far away from the dock is the boat?
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