01/10/17

Slope question
ok I'm stumped. if we have a(-1,4) and b(3,-2) the y intercept comes out to 5.5 which makes no sense because it clearly doesn't cross through 5.5. please help
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01/10/17

write an equation for the line passing through the points (-3,5) (6,-1)
write an equation for the line passing through the points (-3,5) (6,-1). I come up with 10/0 undefined but wher to after that?
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01/09/17

Law of Conservation of Mass
A 10g sample of iron reacts with oxygen to form 18.2g of ferric oxide. How many grams of oxygen reacted? I know that reactants equal products. Please check my work. 10+x=18.2 -10      -10    ... more
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01/09/17

In a dart-car lab, would the speed of the car be constant as it coasted?
Dart-car lab dealing with momentum. stuck on this one question
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01/09/17

Y= 4×+1 is a direct variation?
Y= 4×+1  
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01/09/17

Hoy many ways can patricia hang her 6 pictures?
How many ways can patricia hang her 6 pictures?
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01/09/17

problem related to areas
Find the area bounded by the curve y=x^2/4 + x/4 - 1/2 with x-axis in [0,2] 
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01/09/17

can u help me out, i'm stuck with it
If  f(x) = sin^4(x)cos^4(x). Then f is increasing function in the interval? 
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01/08/17

Y=x^3-3x^2 at (3,2)
Solving for slope points 
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01/08/17

how long is the seashell in the air
You drop a seashell into the from 40 feet. Write an equation that models the height in feet of the seashell above water after t seconds how long is the seashell in the air?
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01/07/17

Does this paragraph sound okay for a DBQ essay?
The democracy in Greece was an environment where everyone was equal in the eyes of the law. Not one person or family ruled the nation without having input from society, the democracy in Greece... more
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01/07/17

X - 1 = 20
X - 1 = 20 _________        X       Key say -1/19. How
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01/07/17

Word Problem with Muzzle Velocity
From an airplane whose altitude is 2064 feet a bullet is fired with an upward muzzle velocity of 3200 feet per second. When will the bullet's altitude be 8400 feet? Explain the two solutions
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01/07/17

If product of matrix B=[2 4 6, 1 0 1, -1 1 -1] with matrix A has inverse C =[-1 0 1, 1 1 3, 2 0 2] then find A inverse is equal to???
If product of matrix B=[2 4 6, 1 0 1, -1 1 -1] with matrix A has inverse C =[-1 0 1, 1 1 3, 2 0 2] then find A inverse is equal to???
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01/06/17

is abolitionists political
is abolitionist economic political or social
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01/06/17

RNA forms a blueprint for how an animal or plant is to be constructed
About genetics
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01/06/17

Missing Angle
Find the missing angle below for 0°≤Ø≤90°cos ∅ = 1/2
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01/06/17

Lenz's Law
An airplane travelling at 278 m/s upward at an angle of 30 o to the horizontal is in a region where earth's magnetic field is 5.0 x 10-5 T upward (vertical field from the ground to the sky). What... more
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01/05/17

A 60 kg astronaut stands on a bathroom scale in a 2 km diameter rotating space station that spins every 62.8 sec. What does the scale read?
A astronaut stands on a bathroom scale in a 2 km diameterrotating space station that spins every 62.8 sec
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01/05/17

What speed should it be spun to create a centripetal force that mimics earth’s gravitational force?
An artificial space habitation is constructed away from any large bodies. It is constructed with lightweight aluminum, in a cylindrical shape, with a radius of 1000m. What speed should it be spun... more
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01/05/17

Systems of linear equations
The temperature changes of 2 calorimeters were monitored and recorded. Calorimeter A contain 250 mL of water with an initial water temperature of 120°F. After 10 minutes the temperature of the... more
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01/05/17

I need the answer to this problem and steps!
Sodium metal is sometimes used as a cooling agent in heat exchange units because of it's relatively high molar heat capacity of 28.2 J/mol C. what is the specific heat of sodium in J/g C? 
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01/05/17

What is 2+2
Math problem for math
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01/05/17

Unit 7-Part 3
The armature windings of a dc motor have a resistance of 5.0 Ω. The motor is connected to a 120 V line and when the motor reaches full speed against its normal load, the counter emf is 108 V.... more
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01/05/17

If a man moves a large box that weighs 10 newtons 120 meters in 1 minute, how much power was used?
 Need help with science word problems
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