02/03/18

Physics Vectors Math
A projectile is launched at ground level with an initial speed of 50.0 m/s at an angle of 30.0º above the horizontal. It strikes a target above the ground 3.00 seconds later. What is the x distance... more
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02/03/18

Write the equation of a quadratic whose roots are -3/7 and 2/5. ( Answer without Fractions)
 Write the equation of a quadratic whose roots are -3/7 and 2/5. ( Answer without Fractions)
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02/03/18

A line passes through the two points ( 1, -1 ) and ( 3, 7 )
A line passes through the two points ( 1, -1 ) and ( 3, 7 ).   The slope of the line is: The Y-intercept for the line is:
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02/03/18

What are powers of two?
im doing homework and it says: Write each of the following as a power of two. Your answer should be in the form of 2 raised to a power. What does this mean?
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02/03/18

What is the average population density?
The land area of a country is about 4.5 million square miles,  and the population is about 800 million people.  What is the average population density?
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02/02/18

College Algebra
A superhero is rendered powerless when exposed to 65 or more grams of a certain element. A 550 year old rock that originally contained 300 grams of this element was recently stolen from a rock... more
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02/02/18

Which totalitarian leader is dangerous to the world and why
I need the name of the totalitarian and he is dangerous to the world with evidence
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02/02/18

help me please
write the quadratic equation for 6 and -4 and coefficient is 4
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02/02/18

Mechanics question
A mass 3m moving east at a speed v collides with a mass 2m moving northeast at a speed 2v. The masses stick together what is the resulting speed and direction of the combined mass. 
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02/02/18

Math help polynomials
whats the simplest polynomial one can get from the zeros 8i, 3, and -3
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02/02/18

PHYSICS KINEMATICS PLEASE HELP
In an historical movie, two knights on horseback start from rest 73.7 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.290 m/s2, while Sir... more
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02/02/18

Uranium 235 can be split if it is hit by?
A. a neutron B. a proton C. an electron D. a neutrino
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02/02/18

Why can gamma rays pass through or penetrate solids?
A. gamma rays have low mass. B. gamma rays have high mass. C. Gamma rays have low velocity. D. Gamma rays have high velocity.
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02/02/18

What is an empty set? How do you find the solution of an empty set?
I was given these equations and told to find the solution of the empty set:    x > -8 and y ≤ xy < -x and x ≤ 0 y < 2 and x > 2x + 1 < y and x ≥ y
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02/02/18

did the war benefited the Greek civilization or damaged it for the perisan war?
 I dont understand this question
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02/02/18

how did the use of refrigeration change the cattle industry in Texas in the late 1800's
i really dont understand what this question is asking me and i need help can u help me please
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02/02/18

can you help me with math please.
Solve the equation both algebraically and graphically. x2 − 24 = 0   algebraically        x = graphically          x =
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02/01/18

A textbook costs a bookstore $60, and the store sells it for $80. Find the rate of profit based on the selling price.
i got 33.3% but im not sure
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02/01/18

What is the distance between -2, 4 and 5,4 on a cordinate grid
What is the distance between-2,4 and 5,4 on a cordinate grid
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02/01/18

How much total heat (in kJ) is required to warm 10 g of ice, initially at -10C, to steam at 110C?
Heat capacity of ice is 2.09 J/g/C Heat capacity of liquid water is 4.18 J/g/C Heat capacity of steam is 2.01 J/g/C
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02/01/18

Write a polynomial in standard form from the given zeros. With work. 2i, 4
write a polynomial in standard form from the given zeros. With work.2i, 4
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02/01/18

The function f(x) = 2^-2.5x * sin (pi/2x) represents a sound function. What is the average rate of change for this function on the interval [-7,7]
I need help please 
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02/01/18

amplitude of oscillation
a block of mass m is attached to an ideal spring with spring constant k. The block is at rest at the equilibrium position when a force is quickly applied to the block that gives it an initial speed... more
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02/01/18

F(x) is a linear function with a slope of -3/4. If f(6) = -10, find f(-1/3). Help!
my answer was y= -3/4x-10.25. Where am I wrong? 
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02/01/18

Derivative of a function
(-1/4)*(x^−4 − x^8)
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