03/16/18

Use properties of the cross product to calculate the following:
Use properties of the cross product to calculate the following:   (a) (e1+e2)×(e1×e2) =   (b) 3e3×(e3+e2) =
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03/16/18

The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?
The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?
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03/16/18

after how many seconds will the rocket be 120 feet above ground ?
-16x^2+160x
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03/16/18

Mark wants to know which objects in his desk sink in water and which objects float. What could Mark do to find the answer?
Mark wants to know which objects in his desk sink in water and which objects float. What could Mark do to find the answer?
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03/16/18

Displacement, Center of Mass
A student of mass 75 kg is in a small rowboat of mass95 kg resting on a calm lake. How far will the boat moveif the student walks from the bow to the stern of theboat? The distance from the bow to... more
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03/16/18

An 3-kg object is dropped from a height of 5 m. The rock has an impact speed of
  it is a science question.
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03/16/18

solve the simultaneous equation
3a + 2b =7 a -2b =5
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03/16/18

Find the zeroes of the given polynomial 1: p(x)=3x 2: p(x)=(x+2)(x+3)
I want to know the answer for Find the zeroes of given polynomial 1 p(x)=3x 2: p(x)=(x+2)(x+3)
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03/15/18

The vector ..... has length 15 and points at an angle of 15 ∘ 15∘
The vector u→ has length 15 and points at an angle of 15 degreesThe vector v→ has length 20 and points at an angle of 40 degrees  u→⋅v→ = ???
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03/15/18

if x represents an even number what expression will represent an odd number using 3
I have 40 match problems that I need help on some are mutual please choice could you please help me they are really hard 
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03/15/18

5 and 6 less than twice a number
Need help with math and a lot 
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03/15/18

Who was under the rule of the Rome Empire when it hit its largest size?
Was it Hadrian?
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03/15/18

Find 3 consecutive odd integers, where the sum of the first two, is the same as twenty one more than the third
Math equation
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03/15/18

A student rides a bicycle 2400 meters in four minutes to get to school. What is the student's speed?
dsjkdsafnda  
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03/15/18

Which sentence best describes the Enlightenment idea of the "social contract"?
The constitution divides the government into three branches: the judicial branch, the executive branch, and legislative branch. The responsibilities and power of governing is divided among the... more
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03/15/18

Factoring is the easiest way to do quadratic equations because explain why
Math work 
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03/15/18

Do both flasks contain the same number of atoms?
If two identical sealed flasks, one containing He and one containing Ne, are at the same temperature (298 K) but the pressure of He is 1atm and the pressure of Ne is 0.5 atm, will both flasks... more
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03/14/18

The height of a golf ball in the air can be modeled by the equation h=negative16t squared plus 76t, where h is the height in feet of the ball after t seconds
a. How lone was the ball in the air b. What is the ball's maximum height? c. When will the balol reach its maximum height?
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03/14/18

A rock climber drops a piton. If the piton passes you with a speed of 7 m/s, how fast will the piton be traveling 2 s later?
Physics 
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03/14/18

find a slope, of the line containing (4,-7) and (-4,3)
what is the slope and does it even exists  
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03/14/18

What is the equation of the line perpendicular to 2x+3y=1 and passing through the point (0,k)?
The correct answer is 3x-2y=-2k, but I need an explanation of how to do this.
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03/14/18

Physics: Reflection of LIght
A basketball player of height 2.60 m is standing 2.90 m in front of a convex spherical mirror of radius of curvature 3.00 m. Determine the size of the image.Im confused on how to solve this without... more
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03/14/18

Which is the most efficient first step to solve for x in the equation 3.7x-18=-4.3x-34 ?
A. Add 3.7x to both sides of the equation. B. Add 4.3x to both sides of the equation. C. Subtract 18 from both sides of the equation. D. Subtract 34 from both sides of the equation.
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03/14/18

What properties of neutrinos make them especially difficult to study?
Atomic Structure and Chemical Bonds
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03/14/18

What is the vertex of y=2x^2-8x+6?
Find the vertex of this equation, do not graph. Just vertex 
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