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A farmer has 600m of fence and wants to enclose a rectangular field beside a river. Determine the
5 answers
asked by
Sarah
9,286 views
What are three real-world applications for vector projections? Thank you.
3 answers
asked by
Zorba
4,445 views
Determine the value of k so that the line with parametric equations x = 2 + 3t, y = -2 + 5t, z = k is parallel to the plane with
6 answers
asked by
Derek
2,201 views
What function would have a derivative of ƒ′(x) = 12x2 + 4x − 10? Explain how you arrived at your answer...I believe the
3 answers
asked by
Derek
949 views
Determine the interaction of the line of intersection of the planes x + y - z = 1 and 3x + y + z = 3 with the line of
4 answers
asked by
Derek
1,430 views
a bomb is dropped drom an airplane at an altitude of 14,400 feet how long would it take to reach the ground? (because the motion
4 answers
asked by
Nancy
1,581 views
Find the area of the region bounded by the parabola y=x^2, the tangent line to this parabola at (1,1) and the x-axis.
I don't
1 answer
asked by
Hebe
1,150 views
sketch the curve using the parametric equation to plot the points. use an arrow to indicate the direction the curve is traced as
1 answer
asked by
Sammy
582 views
For the function ƒ(x) = x^3 - 8x + 3, calculate where a = 5 and h = 2. Simplify before substitution (the simplifying is where I
4 answers
asked by
Derek
412 views
verify that lim h>0 (e^x+h -e^h)/h=e^x and explain how this illustrates that ƒ′(x) = ln e • ƒ(x) = ƒ(x)... The notes for
1 answer
asked by
Derek
391 views
Use normal vectors to determine the intersection, if any, for each of the following groups of three planes. Give a geometric
2 answers
asked by
Derek
609 views
I am so confused with this last part of the unit! What in the world is going on: Use normal vectors to determine the
4 answers
asked by
Derek
1,499 views
Use normal vectors to determine the intersection, if any, for each of the following groups of three planes. Give a geometric
2 answers
asked by
Derek
880 views
An air ambulance is travelling from Barrie to Toronto. Toronto is located 90 km [S5°E] of Barrie. If the wind is blowing from
4 answers
asked by
Derek
1,519 views
Determine vector, parametric and, if possible, symmetric equations for the line through Q(2, -1, 3) and the mid-point of the
2 answers
asked by
Derek
550 views
If the Queen Bee leaves the hive and travels 210 m [N32°E] and then 37 m [S51°W], how far and in what direction is the bee
5 answers
asked by
Sarah
1,791 views
Using calculus: If you invest $5000 compounded continuously at 4% p.a. how much will this investment be worth in 5 years? I am
4 answers
asked by
Derek
774 views
What is the derivative of this: not sure because of the pi....
f(x)=x^pi Thanls.
1 answer
asked by
Derek
260 views
How do I deal with square roots and derivatives? Like: f(x)= Sqrtx....the derivative. find
2 answers
asked by
Derek
690 views
Let h(x)=16-4x-(x^3)
Find g(96). My work: 96= 16-4x-(x^3) (-x^3)-4x-80=0 Using the rational roots theorm, I found that x=-4 so
1 answer
asked by
Joshua
400 views
find the derivative of 3x^4-5x+3/x^4+1
i know that the derivative of the numeratoor would be 12x^3-5 but i'm not sure if its
3 answers
asked by
Nancy
1,049 views
Calculate the following:
a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x<1 1,
3 answers
asked by
CMM
547 views
A ladder 25ft long is leaning against the wall of a house. The ladder is pulled away from the wall at a rate of 2 ft per second.
3 answers
asked by
Preston
2,492 views
Use a linear approximation (or differentials) to estimate the given number.
Tan 44 degrees Please help.
3 answers
asked by
Chelsea
2,162 views
Find the minimum cost of producing 20,000 units of a product, where x is the number of units of labor (at$48 per unit) and y is
2 answers
asked by
Nancy
862 views
a)If f(x)= x/(x+2), 1 less than or equal to x less than or equal to 4, find the left and right sums for n= 10, 30, and 50.
b)Illu
3 answers
asked by
CMM
450 views
Evaluate the definite integral.
S b= sqrt(Pi) a= 0 xcos(x^2)dx I'm not sure if this is right? u= x^2 du= 2xdx du/2= xdx S
7 answers
asked by
CMM
475 views
Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly.
S= integral symbol S x^3*sqrt(x^2
2 answers
asked by
CMM
521 views
Solve the initial value problem explicity:
y'= 5xe^(-y), y(1)=1
2 answers
asked by
Tania
503 views
Differentiate.
y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln y = x ln(cos x) (dy/dx)/(y)= ln(cos x) (dy/dx)= y ln(cos
1 answer
asked by
Chelsea
1,176 views
Find the value of the definite integral using sums, not antiderivatives:
int= integral sign int((x + 2)/(x^(3/2)),x= 16..25)dx
1 answer
asked by
CM
399 views
1000 yds of fence
x 1000-x 1. Show that the area function to be maximized is A(x) = ( pi + 4 / 16pi) x^2-125x+62500 2. Show that
1 answer
asked by
Al
380 views
A dog kennel owner needs to build a dog run (rectangular area) adjacent to a kennel cage (so that it is in the shape of a
1 answer
asked by
John
1,001 views
The upper right-hand corner of a piece of paper, 12 in. by 8 in., as in the figure, is folded over to the bottom edge. How would
3 answers
asked by
Jamie
1,693 views
Find the angle between the vectors ⃗⃗u (-1,4,2 ) and ⃗v (-2,5,1 )
1 answer
asked by
Emily
314 views
Determine the value and value for each of the following:
a) 2(3,y )-5(x,2)= (6,-4 )
1 answer
asked by
Emily
226 views
A rectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling
4 answers
asked by
kayso
7,725 views