07/21/17
A certain forest covers an area of 2100 square km. Each year this area decreases by 7.25%. What will the area be after 9 years?
Answer needs to be rounded to the nearest square kilometer
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07/21/17
The sum of x and -5 is -1
find the equation for the sum of x and -5 is -1
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07/21/17
A nautical mile is the length of an arc of the equator intercepted by a central angle of 1/60 degrees. Using 3960 miles for the value of the radius of earth,
express 1 nautical mile in terms of standard (statute) miles.
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07/21/17
Let θ be an angle in quadrant IV such that sinθ=−3/5 . Find the exact values of secθ and cotθ .
Let θ be an angle in quadrant IV such that sinθ=−3/5 .
Find the exact values of secθ and cotθ .
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07/20/17
Help with limit
lim x→3 (x3 − 13x2 + 51x − 63) / (x3 − 4x2 − 3x + 18) = a / 5
Find the value of a. (It is supposue to be -4. Why?)
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College Algebra
if ƒ = ∫(2,3),(-4,4),(5,0),(-3,-4)∫ and g = ∫(pie,3),(-2,0),(0,-4) find the following 1. ƒ(2) 2. ƒ(5)+g(-2)
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07/20/17
Two mathematics classes have a total of 410 students the 8 a.m. class has 40 more than the 10 a.m. class how many students are in the 10 a.m. class
Studying for a math test
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Trig Question
Prove sec2x-1=sec2xsin2x, justify significant steps. (state identities used)
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07/19/17
I can't get word problems
A driver going down a straight highway is traveling at 70ft/sec on cruise control when he begins accelerating at a rate of 4.2 ft/sec² . The final velocity of the car is given by the function V(t)...
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07/19/17
Find the present value of the future value. $12,000, invested for 7 years at 3% compounded quarterly
homework hw
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07/19/17
Find an equation of the form
y=c+blogax with a, b, c being integers whose graph contains the two points: (1,1) and (5,7)
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07/19/17
Math help please answer and thank you with explanation
Roger has the graph of F(x) = −4x 2 but needs to sketch the graph of G(x) =(x+3)^2+2/3 Describe how Roger can use the graph of F(x) to sketch the graph of G(x)
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07/18/17
Calculus Qustion
What is the derivative of 2xy-17=-3x2? Is it -y/x-3?
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Calculus Question
Find the point on the curve y = sqrt 2x-1 where the tangent line is parallel to the line x-3y=16.
Help!?
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07/18/17
What is the K.E. of a 1325 kg car whose speed is 15 meters/sec?
What is the K.E. of a 1325 kg car whose speed is 15 meters/sec?
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07/16/17
parabolic satellite television antenna has a diameter of 12 ft and is 1 ft deep how far is the focus from the vertex
I need help
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07/15/17
Five percent of the participants arrived late.
if 12 participants arrived late, how many participants were there?
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07/13/17
6/2(2+1) what is the answer?
What is the answer to this equation? I think its 9, am I correct?
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07/13/17
Algebra 2 Question, Please Help
on a particular day, the wind added 4 miles per hour to alfonso's rate when he was cycling with the wind and subtracted 4 miles per hour from his rate on his return trip. alfonso found that in the...
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07/13/17
how do you prove that the derivative of x^n is nx^n-1
how do you prove that the derivative of x^n is nx^n-1
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