09/20/15
Define a function k that determines the length of the fence in feet in terms of the fence's width in feet, w , given the total amount of fence is 1000 feet.
k(w)=500-L came up with this
i know that 1000=2l+2w keeps saying its wrong
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09/20/15
1. What are the least, and most, number of distinct real roots of a 6th degree polynomial?
1. What are the least, and most, number of distinct real roots of a 6th degree polynomial?2. What is i103?3. The zeroes of f(x) = x2 – 8x + 17 are?4. If f(x) = x8 - 1 is divided by x -2, the...
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09/20/15
A bullet can cover 850m every 1 second. How long does it take a bullet to travel 1km?
A 1D Kinematic physics question
09/19/15
Find a vector orthogonal to both <5,5,0> and to <0,5,-1> of the form
Find a vector orthogonal to both ?5,5,0? and to ?0,5,−1? of the form
<1, , >
09/19/15
Assume that the range of f(x) = arccsc(x) is [0, pi/2) U [p, 3pi/2) when finding the exact value of the following of arccsc(-2) in radical fraction form.
Answer this now!
09/19/15
a bridge is to have a span of 120 feet The height of the arch at a distance of 40 feet from the center is to be 6 feet Find the height of the arch at its center
A bridge is to be built in the shape of a semi-elliptical arch and is to have a span of 120 feet. The height of the arch at a distance of 40 feet from the center is to be 6 feet. Find the height of...
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09/19/15
equation needed
bill drives for 2 hours at 60 miles per hour and then drives 70 miles per hour for H hours. What is the equation to use to determine the average speed for his trip?
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09/19/15
How many liters of a 4 \% solution of salt should be added to a 28 \% solution in order to obtain 1440 liters of a 20 \% solution?
How many liters of a 4 % solution of salt should be added to a 28 % solution in order to obtain 1440 liters of a 20 % solution?
09/18/15
If a certain body weights 55 pounds when it is 3960 miles from the center of Earth, how much will it weigh when it is 5995 miles from the center?
The weight of a body above the surface of Earth varies inversely with the square of the distance from the center of Earth. If a certain body weights 55 pounds when it is 3960 miles from the center...
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09/18/15
Im in a car at 50mi/hr. I enter a tunnel and hold my breath for 8 seconds. How many feet long was the tunnel? (1mi=5280ft)
Help please..this has been hard all u need to know is in the question.
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09/18/15
In need of help with this word problem
A boat can travel 31 mph in still water. If the boat can travel 100 miles with the current in the same time it can travel 80 miles against the current, find the rate of the current r in miles per...
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09/18/15
if y=sinx+tanx+10 find dy/dx and show that when x=pi radian , y+dy/dx=10
if y=sinx+tanx+10 find dy/dx and show that when x=pi radian , y+dy/dx=10
09/17/15
The Algebra of Functions
The expression f(x+h)-f(x)/h for h ≠0 is called the difference quotient. Find and simplify the difference quotient for the following function.
f(x)= -3x^2+9x+4
f(x+h)-f(x)/h means...
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09/17/15
A red light flashes every 14 min. A blue light flashes every 24 min. When will the two lights flash together again if they last flashed together at 8:00am
A red light flashes every 14 min. A blue light flashes every 24 min. When will the two lights flash together again if they last flashed together at 8:00am? Show me how to get this answer please.
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09/17/15
Determine the values of m and n so that the polynomials 2x^3 +mx^2 -3 and x^3 - 3mx^2 + 2nx +4 are divisble by x-2
please help me I'm very confused
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09/17/15
for the given functions f and g, find the requested function and state its domain
f(x)=6x-3 ; g(x)=2x-4
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09/16/15
word problem help
two bullet trains leave a station at the same time. One train is travelling north at 20 miles faster then one headed south. In 5 hours the two trains will be 2013 miles apart. How fast are they going?
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09/16/15
word problem
Lori recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Lori spent a total of 1 hour...
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09/15/15
Write the contropositive
If an object is round, then it is a ball.
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09/15/15
Limits Question!
Ax3 if x<2
F(x)= 7-Ax if x≥2
Find a value of A such that the function f(x) is continuous at the point x=2.
A=?
09/15/15
Yesterday I went to the zoo and saw the giraffes and ostriches. Altogether they had 30 eyes and 44 legs. How many animals were there?
Yesterday I went to the zoo and saw the giraffes and ostriches. Altogether they had 30 eyes and 44 legs. How many animals were there?
09/15/15
What is the airplane's average rate in calm air?
The rate of the jet stream is 300mph. Traveling with the jet stream, an airplane can fly 3600 miles in the same amount of time as it takes to fly 1200 miles against the jet stream. What is the...
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09/15/15
Jesse plays golf every 8 days and tennis every 6 days. If he did both today, in how many days will he do both again?
Jesse plays golf every 8 days and tennis every 6 days. If he did both today, in how many days will he do both again?
09/15/15
What is the average rate on the return trip
you ride your bike to campus a distance of 7 miles and returning home on the same route.Going to campus you ride mostly downhill and average 8 miles per hour faster than on your return trip home....
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