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The dot product of u with itself is 12. What is the magnitude of u?
A 24 B 12 C 2sqrt6 D 2sqrt3 How would you solve this, what is
4 answers
asked by
Kakashi
1,761 views
What is a simplified form of the expression cos^3(theta) + cos(theta)/csc^2(theta)
5 answers
asked by
john
1,361 views
find the magnitude and direction angle of the vector v, v=-2i+5j
please help i have no idea how to do this. could you show me
3 answers
asked by
Nate
2,203 views
For what values of t will t-2, 2t-6, and 4t-8, in this order, form an arithmetic sequence?
Could someone at least start me off?
4 answers
asked by
Kl
1,088 views
Naturalists findthat the populations of some kinds of predatory animals vary periodically. Assume that the population of foxes
4 answers
asked by
Joe
4,693 views
The symbol nCr, rea "n choose r" or "the number of combinations of n things taken r at a time" is the number:
n! ----- r!(n-r)!
3 answers
asked by
Emma B
548 views
Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in
6 answers
asked by
Em
3,800 views
Alice throws a ball straight up with an initial speed of 40 feet per second from a height of 5 feet?
a) Find parametric equations
3 answers
asked by
Rebekah
2,633 views
The annual sales of Crimson Pharmacy are expected to be given by S = 2.4 + 0.3t million dollars t years from now, whereas the
3 answers
asked by
Terry
1,914 views
A private plane is traveling due east at a rate of 150 mph. A south wind is blowing 50 mph. What is the actual velocity of the
6 answers
asked by
Kakashi
1,732 views
#3.) The following states about f(x) are true:
•
1 answer
asked by
Wavikz
247 views
solve the quation.
t/3+t/5=1.
1 answer
asked by
Maggie
376 views
simplify the expression x-4 when x is less than 4
1 answer
asked by
Samantha
283 views
Without actually graphing it, show that the graph of the equation x^3+y=x is symmetric with respect to the origin.
1 answer
asked by
Samantha
338 views
the domain of g(x)=x^3-2x-1
1 answer
asked by
Crystal
225 views
If the equation is y = -x^2 + 6/2
Would it become y = x^2 + 3? Or would it be y = x^2/2 + 3? Thanks.
1 answer
asked by
Mike
220 views
|2t-3| = |2t| - |3t|
( || = Absolute Value) I squared both sides to get... (4t^2)-12t+9 = t^2 Factored to... (t-1)(t-3) = 0 My
1 answer
asked by
mw
379 views
For the sequence, write an explicit formula for the nth term.
1/5, 2/7, 3/9, 4/11... I don't know how to start. I have other
3 answers
asked by
mw
1,580 views
How do I do this?...
Sq Rt[(9*Sq Rt(3x^2))]
1 answer
asked by
MW
304 views
Write as a series and express as a rational number:
1. 5.36363636.... 2. 0.0123123.... Use this series and find S1,S2,S3,S4,Sn,
5 answers
asked by
Masha
583 views
Find the geometric sequence with
t(5)= -2 and t(7)= -8 find a How do I do this?
1 answer
asked by
MW
348 views
Can someone help me understand how to do this:
I need to find two solutions to the problem (x-2)^2 + (y+3)^2 = 9
3 answers
asked by
Anonymous
228 views
Simplify
(n+1)!/(n-1)! Help please?
1 answer
asked by
MW
332 views
lim x approaches 0
[1/x *((1/(sqrt(1+x))-1)] It will be easier to understand if you write it out.. How would I algebraically do
1 answer
asked by
MW
386 views
From 2 points 400 yards apart on the bank of a straight river flowing due south, the bearings of a point on the opposite bank
3 answers
asked by
MW
742 views
In triangle ABC, b=14, c=15, and cos a= 3/5.
Find a)side a b) Sin B Help please?
4 answers
asked by
MW
373 views
To find the number of factors of a number, you get the prime factors and add one to each exponent, then multiply all the
2 answers
asked by
MW
570 views
I need to graph the function,
y = log(root 3)2x I did...now I need to graph the inverse. What is that?
4 answers
asked by
MW
893 views
Determine whether the relation is a function. [(-4,6),(-1,3),(3,3),(8,-9)]
2 answers
asked by
Hannah
605 views
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.
f(x)=-3x^3-3x^2-2x+1 ?????????????
4 answers
asked by
Megan
2,756 views
Solve the equation on the interval [0,2pi).
cos2x=(*2/2)
1 answer
asked by
Megan
450 views
Solve the equation on the interval [0,2pi).
cos2x=(*2/2)
1 answer
asked by
Megan
424 views
Does this:
sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what
4 answers
asked by
muffy
432 views
I have no idea how to do this problem I thought you would have to do something with the diagonals but not sure...
The parallel
2 answers
asked by
Pre Calc
497 views
I already asked this question and had some help, but I am still confused on a piece of it. I'm not sure what differentiate is.
I
3 answers
asked by
MUFFY
668 views
My question is I^793
I think the answer is just I because it is the only number that can go into it. Is that correct?
3 answers
asked by
Muffy
296 views
in a 9 digit integer, each of the digits 1,2,3,4,5,6,7,8,and 9 appears exactly once. Find the probability that the integer is
1 answer
asked by
Ryan
419 views
use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator.
sec ( - pi/18) *
4 answers
asked by
Pre Calc
1,839 views
I don't see how to do this without a calculator
sin ( - pi/12) csc ( (25 pi)/12)
2 answers
asked by
Pre Calc
680 views
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
2 answers
asked by
Pre Calc
509 views
I am familiar with this type of problem but can't seem to get the right answer.
Use the given zero to find the remaining zeros of
2 answers
asked by
Zach
552 views
Write a quartic function that has roots that are 3+5i, -4 and 7 and
f(-3)=53. I have tried it a bunch of times and can't seem to
6 answers
asked by
Zach
404 views
please
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7
1 answer
asked by
Jo
244 views
I do not see why I got two different equations for my answer
A weight attached to the end of along spring is bounicng up and
2 answers
asked by
Joe
546 views
for how many integers x is the value of -6/(x+1) an integer?
6 answers
asked by
jake
332 views
sin^2(x) - cos^2(x) = 1 + cos(x)
the answer is equal to or greater than 0 and less than 2 pi
1 answer
asked by
Tanya
384 views
To determine the height of the Louisiana-Pacific (LP) Tower, the tallest building in Conroe, Texas, a surveyor stands at a point
4 answers
asked by
Phillip
1,376 views
1) How do you analyze this function:
11x-2y=0 2) Find the equations of the lines to the line whose equation is y-7 -3 ---- =
1 answer
asked by
Reema
426 views
x^2+y=9, x-y+3=0. Need to solve using substitution method.
1 answer
asked by
Keith
313 views
x^2+y=9, x-y+3=0. Need to solve using substitution method.
3 answers
asked by
Keith
869 views
7x^3-24x^2-19x+12
-----------------=f(x) 2x^3-4x^2-40x+80 -Determine all zeros of f(x)
1 answer
asked by
Connor
434 views
7x^3-24x^2-19x+12
-----------------=f(x) 2x^3-4x^2-40x+80 Determine all values of x for which f is not defined.
3 answers
asked by
Connor
379 views
Determine K and solve the equation x^3-kx^2+3x+54=0, if one of its zeros is triple of another.
2 answers
asked by
Connor
524 views
Complete the square to find the center and the radius of the circle:
3x^2+3y^2-12x+24y+15=0
5 answers
asked by
Connor
833 views
Solve for x:
|4x+6|-|2x-1|<5
1 answer
asked by
Katie S
321 views
x^2+y^2=625
Verify that (-24,7) lies on the circle.
1 answer
asked by
Katie S
338 views
x^2+y^2=625
Find an equation of the line that is tangent to the circle at this point.
1 answer
asked by
Katie S
360 views
Complete the square to find the center and the radius of the circle.
3x^2+3y^2-12x+24y+15=0
2 answers
asked by
Katie S
481 views
Simplify:
n!-(n-1)! --------- (n-1)!
1 answer
asked by
Katie S
303 views
Given the sum of all the edges of the rectangular solid at the right is 76cm, the area of all of its faces is 228 cm^2, and its
1 answer
asked by
Emma M
386 views
Given the sum of all the edges of the rectangular solid at the right is 76cm, the area of all of its faces is 228 cm^2, and its
1 answer
asked by
Emma M
487 views
A certain key is cut for a lock with six tumblers, each of which has five depths and no two consecutive tumblers can be the same
2 answers
asked by
Emma M
716 views
Determine K:
a:12! b:65!+64!+63!=k^2*963! -- =k 10! c:(k+5)!=(k^2+196)(k+3)!
1 answer
asked by
Lauren
304 views
Solve for A and B if:
1 A B ----- = --- + --- k(k+1) k k+1
3 answers
asked by
Lauren
768 views
How many triangle are determind by the vertices of a hexagon, heptagon, octagon, and n-gon?
1 answer
asked by
Jeff
346 views
From a committee of 6 people how many sub-committees of 3 can be formed, and with 7 people and with 8 people and with n people?
2 answers
asked by
Jeff
881 views
Derive the equation of the locus of all points that are equidistant from the point F(-3,4) and the line y=-2. Leave your answer
2 answers
asked by
Asher
1,264 views
How to solve the equation:
36x-15y+50z=-10 2x+25y=40 54x-5y+30z=-160
2 answers
asked by
Jerry
477 views
If f(x) = 2x − 1 and g(x) = x^2 + 5, find (f of g)(−3) and (g of f)(2).
Can anyone help ?
1 answer
asked by
Alex
240 views
can the domain be (-∞, ∞) if there is a verbal in the denominator?
1 answer
asked by
Heather
228 views
7. The Sandusky Little League uses a baseball throwing machine to help train 10-year old players to catch high pop-ups. It
4 answers
asked by
Anonymous
1,892 views
Simplify and show work step by step
cos²θ + sin² = ???
1 answer
asked by
Huh
437 views
Determine how many orders of magnitude the quantities differ.
A canary weighing 20 g and a hen weighing 2 kg. I want to say 1 but
2 answers
asked by
Courtney
1,228 views
f(x,y)=ln(5x^2-7y^3)
Find ALL 2nd derivatives. fxx,fxy,fyx,fyy
1 answer
asked by
Sara
361 views
The half-Life of radioactive earthium is 2651 years. Find how many years it will take 100 grams of earthium to decay to 10
1 answer
asked by
Alex
358 views
A swimming pool can be filled by a vent in 10 hours. When the pool is filled, it can be emptied bya drain pipe in 20 hours. The
2 answers
asked by
Emily
510 views
√(x+2) -7 =√(x+9)
1 answer
asked by
Dan
233 views
Dr. Black is standing 15 feet away from the street lamp. The lamp is making his shadow 8 feet long. The angle of elevation from
5 answers
asked by
Anonymous
1,406 views
Solve the non-linear inequality:
x^3-5x^2-14x<0
3 answers
asked by
Giselle
432 views
Solve the non-linear inequality:
x^3-5x^2-14x<0
1 answer
asked by
Giselle
348 views
from the top of a 250 ft lighthouse the angle of depression to a ship in the ocean is 18 degrees. how far is the ship from the
4 answers
asked by
Tricia
2,118 views
tan(x)=5 sin(x) for interval -π < x < π
A) 0, 1.571 B) -1.571, 0, 1.571 C) -1.369, 0, 1.369 D) 0, 1.369
6 answers
asked by
Abby
2,106 views
ln (x^2 +x-12)=3ln2
1 answer
asked by
Meredith
285 views
Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in
1 answer
asked by
Em
400 views
the graph f(x)=cos x
Which gives the graph of g(x)=-2cos[3(x+(pi/3))]-5 write the equation of g(x) in terms of f(x). Is the
1 answer
asked by
Rita
312 views
Verify the following identity: sin(x)*cos(x)*(cot(x)+tan(x))=1
show work
2 answers
asked by
Justin
491 views
an open box is to be formed by cutting squares from a square sheet of metal that is 10 cm on a side and then folding up the
3 answers
asked by
Rusty Wallace
948 views
tan(tan-1 7.4)=?
3 answers
asked by
Jacob
287 views
sec(cos-1 (4/5))=?
3 answers
asked by
Jacob
810 views
Find the volume of the solid formed by revolving the region bounded by y = 16 - x^2 and y = 0 about the x-axis .
1 answer
asked by
Beth
408 views
evaluate the trigonometric function of the given quadrantal angle.
tan 1400° cos 9π cos 13π/2 sin (-17π)
2 answers
asked by
JOHN
859 views
A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if she
does her repairs in only 0.2
2 answers
asked by
Maddie
617 views
From an observation point A, a forest ranger sights a fire in the direction S32°20'W (see the figure). From a point B, 5 miles
3 answers
asked by
Anonymous
2,613 views
How do you find cot(225degrees) using the unit circle?
3 answers
asked by
Gaby
1,227 views
How to prove tan4x = 1-8 sin squared of cos squared of x
1 answer
asked by
John
369 views
how much money should i invest at 8.2% compounded continuously if i wish to have $100,000 in 5 years?
1 answer
asked by
Alyssa
389 views
1. Describe the linear programming situation for this system of inequalities.
x<(or equal too)1 y>(or equal too)0 3x + y<(or
3 answers
asked by
Carl
664 views
$1 is invested into an account that has a APR of 8% compounded quarterly. How long will it take for my money to double? To
1 answer
asked by
Haley James
326 views
simon goes to the playground to play on the swings. The length of each swing is 1.75m. What is the distance travelled on one
2 answers
asked by
Dano
526 views
A plane (A) heading south at 120 mph and a plane (B) heading west at 600 mph are rlying tword the same point at the same
2 answers
asked by
Rebekah
521 views
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