11/13/15
How far does the plane fly in total?
A certain flight from LaGuardia airport has two legs, with layover in between.
The first leg of the flight is 200 miles shorter than the second leg, and the total time in the air is 4.2...
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11/13/15
area of right circular cylinder
The diameter of the base of a right circular cylinder is 18.2 cm and the ratio of the area of its curved surface to the area of the base is 15:13. Find the total surface area of the cylinder?
11/12/15
Find the volume of the solid
Find the volume of the solid generated by revolving the region bounded by the graphs of y=x y=sqrtx about the line y=1
11/12/15
Calculus + Indefinite Integral
∫3xe5x^2 dx
I got the answer: 3e5x^2/10+C
My webwork keeps telling me my answer is wrong but I'm not sure why.
11/12/15
dont understand
indentify the intereval(s) on [0,2π] for which the sine function is increasing and cosine function increasing
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11/12/15
What is the shortest distance in units between point p(-30,30)and q(-45,-35
What is the shortest distance in units between point p(-30,30)and q(-45,-35)
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11/12/15
For what x does sin 2x = cos 2x?
1. What linear function has f(0) = 5 and f(7) = 12?2. If f(t) = 2t – t2, what is (f(t + h) – f(t)) / h?3. For what x does sin 2x = cos 2x?
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11/11/15
A boat goes 12mph in still water. It travels 45 miles upstream and back in a total time of 8 hrs. What is the speed of the current?
I am not quite sure how to set up this equation, or what equation I should even use.
11/10/15
Solve for all real values of X: X-2/ 2-X = 1
Solve for all real solution of X: X-2/ 2-X = 1
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11/10/15
One number is 4 more than another. The difference between their squares is 72. What are the numbers?
help I've been stuck on it for 20 minutes
11/08/15
t+2 log 4= t-1 log 7
I don't understand where to go from here. How do I get the t's to equal the rest?
11/08/15
Honors problem 2
Use the numbers 1,2,3,4 and 5 to equal 3.16 and use each number once _._-_.__=3.16
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11/08/15
A linear algebra questions, please help!
Given vectors u, a, v, and b as defined below, let T : R2 → R2 be a linear transformation that maps the vector u to the vector a and the vector v to the vector b. Use the linearity of T to find the...
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11/08/15
how to solve log2 (x-4)-log2 (2/x) =5
Log2 (x-4) - log2 (2/x) = 5
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How to write an equivalent expression without negative exponents?
12x/y^-3
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11/07/15
Solve by completing the square: x^2-9x-38=-9
-Completing the square
- Round final answer to hundredths place
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11/07/15
domain of the inverse
If f(x) = x^2 + 4x, find (1) a domain on which f(x) is one-to-one, (2) the inverse of f(x) on the domain given in part (1) and (3) the domain of the inverse in part (2).
I got (1) domain is...
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11/06/15
Find Dimensions to minimize cost
A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $5 per square foot and the metal for the sides costs $8 per square foot....
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11/06/15
Dimensions
An open box is to be made out of a 8-inch by 18-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box...
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11/05/15
For what values of h are the following vectors linearly independent?
For what values of h are the following vectors linearly independent?
? 1 ? ?−4?
?−6? and ?24?
1 h
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