06/29/17

What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)
What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)  
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06/29/17

same range for different angle of projection how it is true ?
In projectile motion we can mathematically proof that if the angle of projection from horizontal be complementary to another, both exerts same range.. But in practical if we throw to particles one... more
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06/29/17

When writing a short hand electron configuration what does the square brackets mean?
e.g. Calcium - [Ar] 4S^2 what does the square bracket around AR mean?   Thanks for you help!
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06/29/17

THREE LINEAR EQUATIONS WITH THREE VARIABLES
A collection of nickels, dimes, and quarters consist of 7 coins with a total of $1.05. If the number of dimes is equal to the number of nickels, find the number of each type of coins. I am still... more
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06/29/17

Calculus - rates of change
A cube of ice is melting at a uniform rate. The initial volume of the cube is 20 cm^3, and the volume after five minutes is 15 cm^3. Find the rate at which the edge of the cube is decreasing after... more
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06/28/17

Determine the PH for for the following solution
[OH-]=1.0*10-7M
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06/28/17

If the length of a rectangle is five more than three times a number and the width is 3 less than twice the number, find the area.
Explain your reasoning.    
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06/28/17

find three consecutive odd positive integers such that 5 times the sum of all three is 60 more than the product of the first and second integers.
find three consecutive odd positive integers such that 5 times the sum of all three is 60 more than the product of the first and second integers.
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06/28/17

if a length is 1500mm circumstances is 3800mm what is the kg of tank
If height is  1500mm and circuil is 3800mm...how much kg water we can put inside  
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06/27/17

A pound of cashews sells for $6.00 per pound and a pound of peanuts sells for $3.00 per pound. If you would like to make a 5 pound mixture of peanuts and cashew
A pound of cashews sells for $6.00 per pound and a pound of peanuts sells for $3.00 per pound. If you would like to make a 5 pound mixture of peanuts and cashews at a cost of $5.00 per pound, how... more
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06/27/17

Real world example
Let’s say you own a company that makes bolts that are used on the International Space Station! These bolts have very specific requirements but two of the most important requirements are strength... more
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06/27/17

the temperature outside dropped 13F in 7 hours.the final temperature was -2F.what was the starting temperature?
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06/27/17

Kara's rectangular backyard is 16 yards long and 14 yards wide. What is the area of her backyard?
 i need help right away
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06/27/17

The two most powerful neighbors of the early Romans were...
A. Greeks in the north, and Etruscans in the southB. Etruscans in the north, and Sabines in the south C. Phoenicians in the north, and the Latins in the south D. Etruscans in the north, and... more
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06/27/17

A 1 kg model rocket is launched at a 30 degree angle from the floor.
A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of... more
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06/26/17

World History Questions
How were Muslim women treated in Ancient Islamic societies? Give examples please.What is the difference between Sunnis and Shias? Is is that Sunnis believed anyone should have succeeded Muhammad... more
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06/26/17

An airplane can travel 315mph in still air. If it travels 2360 miles against the wind, what is the speed of the wind
This is intermediate algebra I just need to know how to set up the equation and then I would  able to solve it
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06/26/17

I need help fast to find the slope of the given points
Find the slope of the line containing the points (2, 0) and (-2, 0).
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06/26/17

How do I find the derivative of this calculus problem dealing with relative extrema?
I am in relative extrema in my calculus class. I have a problem that states find the relative minimum and relative maximum of the following: G(x) = (x-3)^2                                 x-4 I... more
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06/26/17

Question I would like to know AMD how calculated
Maureen is riding a boat which can travel with a speed of 13 m/sec in still water.There was her friend Krishna 68metre distant from her at downstream is drowning.By how much time Maureen will... more
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06/26/17

The height of the ball (in feet) written in terms of the time (in seconds) is modled by f(t)=-16t+32t+48t. What is the height of the ball?
What is the height ?
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06/26/17

my question is in the description box, please help me with this problem
d/dx(u^5+u^3), where u=(3/v)-4v, and v =3-x^2, find dy/dx at x=2
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06/25/17

Solve the system using the inverse of a 2 × 2 matrix.
Solve the system using the inverse of a 2 × 2 matrix.3x − 2y = 3−x + 5y = −1
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06/25/17

How much 50% gold alloy and 30% gold alloy should be combined to obtain 80 ounces of 45% gold alloy?
Applying the concept
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06/25/17

property assessed at $490,000 is $7,350. If tax rates are proportional in this city, how much would the tax be on a property assessed at $450,000?
property assessed at $490,000 is $7,350. If tax rates are proportional in this city, how much would the tax be on a property assessed at $450,000?
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