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The x-intercepts are marked with points located at (5,0) and (-6,0), while the y-intercept is marked with point located at
4 answers
asked by
jc
1,679 views
Hi. Can someone please help me with this problem?
A rectangular block of metal weighs 3 oz. How many lbs will a similar block of
5 answers
asked by
Charlotte
949 views
Let F = (0,9) be the focus and the line y = 1 be the directrix. Plot several points P that are three times as far from the focus
3 answers
asked by
jamie
912 views
A $5000 investment earns 7.2% annual interest, and an $8000 investment earns 5.4%, both compounded annually. How long will it
4 answers
asked by
charlotte
3,803 views
what is the value of cot 2π/5?
how do i find the answer?
4 answers
asked by
a
2,994 views
find two functions f and g such that (f+g)(x) = 5 and domain of f + g is [0, infinity)
4 answers
asked by
m
939 views
tan(θ + ϕ);
cos(θ) = − 1/3 θ in Quadrant III, sin(ϕ) = 1/4 ϕ in Quadrant II evaluate the expression
5 answers
asked by
help!
5,760 views
Aisha and Tatia awoke in their apartment one morning to find a broken water pipe had been leaking, making a growing circular
3 answers
asked by
Nikko
183 views
The wheels of a car have a radius of 11 inches and are rotating at 600 revolutions per minute, find the speed of car in mileage
3 answers
asked by
Andy G
2,489 views
what is the cofunction and reciprocal of the cosecant?
4 answers
asked by
yani
950 views
Points A, B, and C are on the circumference of a circle with radius 2 such that angle BAC = 45 degrees and angle ACB = 60
3 answers
asked by
katie
978 views
A rectangular box with a volume of 40ft^3 has a square base. Create an equation for the surface area of the box in terms of x
3 answers
asked by
Anonymous
1,275 views
Starting with the graph of
f(x)=3^x , write the equation of the graph that results from (a) shifting f(x) 1 units downward. y=
4 answers
asked by
Taylor
3,275 views
Using the "completing the square" technique, the maximum value of the function f(x)=sin^2(2x)-2cos^2x is
1 answer
asked by
Anonymous
95 views
3x to the third power<24x
If this is 3x<sup>3</sup> < 24x then divide by 3x on each side x<sup>2</sup> < 8 x < sqrt8
1 answer
asked by
Tricia
406 views
If g(x = log subscript 7 x then what is the value of g(1/49)? I believe it's 1/2 but I'm not sure.
no recall that log 1/49
1 answer
asked by
emma
306 views
So if f(x) = log subscript 5 x then the value of 125 is -3 and the value of 1/25 is -2. Right?
1 answer
asked by
Hannah
293 views
I'm terrible at pre calc, could someone tell me if the solution set for log subscript 2 x + log sub 2 (x-1)=1 is the solution
1 answer
asked by
eragon
831 views
Evaluate (sin45 degrees)(cos30 degrees) / sec45 degrees
a)5 b)7/3 c)1/2 d)7/2 My best guess is 1/2 but I'm not sure if I did the
1 answer
asked by
raven31791
440 views
the graph of a cubic function has a local min at (5,-3) and a point of symmetry at (0,4). At what point does a local maximum
1 answer
asked by
Kate
452 views
simplify:
(x^-2 - y^-2) / (x^-1 - y^-1) i know you have to get rid of the negative powers, but i cant figure out how, any help?
5 answers
asked by
Devon
363 views
factor:
(x-1)^1/2 - x(x-1)^-1/2 ive tried multiple different ways to firgure it out, but i cant seem to get too far in my work, i
1 answer
asked by
lindsay
297 views
Hi. Can someone help me with this?
Simplify: (sin^2x)(cos^2x)+(sin^4x) The answer is sin^2x, but I have no idea how to get there!
4 answers
asked by
Andrea
374 views
Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta
3 answers
asked by
Kristen
1,903 views
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
3 answers
asked by
Kristen
1,160 views
Solve sinx+cosx=0
Thanks!
3 answers
asked by
Andrea
447 views
verify the identity
((cosxcotx)/(1-sinx))-1=cscx
1 answer
asked by
billy bob j
428 views
what is the domain and range of -4 + 3^(x+2)
5 answers
asked by
Jack
296 views
does anyone know the general form equation of a circle with a center (4,5) that passes through (-1,2)
...and just checking, would
4 answers
asked by
Melissa
413 views
how do u solve for this?
sqrt(-10i+12)
1 answer
asked by
Samya
253 views
If it says is (some equation) divisble by -a can you just pug in -a for x and see fi you get zero?
1 answer
asked by
Vi
268 views
The question is: is (root(x2+2))/x=f(x) even or odd?
I got that it was odd because f(-x)=-f(x) but on the graph it does not look
5 answers
asked by
Alex
317 views
what is the coterminal of 150 how do u figure this out??
how do u so true/false: sin120cos120=sin240? is the expression
1 answer
asked by
lorane
978 views
how do u do
evaluateL cos135
1 answer
asked by
nadine
390 views
a 21-speed bike has varying top speeds dependent on the gear it's in. the bike's tire diameter is 26 inches. the bike can pedal
4 answers
asked by
syd
1,048 views
a 21-speed bike has varying top speeds dependent on the gear it's in. the bike's tire diameter is 26 inches. the bike can pedal
2 answers
asked by
syd
556 views
given e^x=1+x+x^2/2!+x^3/3!+... how do you prove that lim((e^(h)-1)/h)=1 as x->0
4 answers
asked by
sam
358 views
The table shows the closing value of a stock index for one week in March, 2004.
a. Using the day as the x-value and the closing
3 answers
asked by
bennett
934 views
How do you graph
abs(y)=x
4 answers
asked by
annemarie
1,078 views
Determine whether the equation is linear in x.
5-3x=0 5=10/2 x+3=x-5
3 answers
asked by
kate
455 views
express the complex number in standard form(that is like a+bi)
1/2+i 2+i/2-i
5 answers
asked by
kim
375 views
1. Solve |2x + 5|< 9
3 answers
asked by
kim
253 views
find all the local maxima and minima (the y-values) and the values of x where they occur.
g(x)=x^3-4x+1
9 answers
asked by
john
481 views
How do i verify:
cotx = (sin2x)/(1-cos2x)
2 answers
asked by
jill
668 views
Assume that this year, n = 1, the average annual salary for women in the United States is $25,000 and that it is increasing by
1 answer
asked by
anna
505 views
Let f(x) be linear
f(16)=-5 f(20)= -17 Find f(x) Calculate f(12)
1 answer
asked by
Reema
308 views
Write a formula for converting a measure of degrees in degrees, minutes, and seconds to a decimal number of degrees. The formula
2 answers
asked by
Anonymous
1,038 views
According to an article by Thomas H. McMahon in the July 1975 issue of Scientific American, a tree’s height varies
1 answer
asked by
Anonymous
438 views
Using the formula T= 15(x+y/60+z/3600), give the equivalent degree for 3:30 am
2 answers
asked by
Anonymous
766 views
Without further study, you forget things as time passes. A model of human memory gives the percentage, p, of acquired knowledge
3 answers
asked by
Anonymous
1,499 views
Solve log subscript4 112 = x.
1 answer
asked by
Anonymous
366 views
The depletion of the Earth's ozone layer has created concern among some health experts. They believe that dramatic increases in
2 answers
asked by
Anonymous
553 views
A certain drug has a half-life of 2 hours in the bloodstream. The label says to take the drug every six hours. About how much of
2 answers
asked by
Anonymous
917 views
A shoe manufacturer markets a new athletic shoe in a community of 500,000 people. The marketing representative convinces 35% of
3 answers
asked by
Anonymous
899 views
It's estimated that 9,300 deaths occurred from skin cancer at the end of year 2000 and that 200,000 deaths from skin cancer
1 answer
asked by
Anonymous
714 views
To approximate unemployment for the years following 1990, an economist used the function f(x) = -0.26x^2 + 1.2x + 5.7, where x
2 answers
asked by
Anonymous
778 views
(3x)^2/(27^x2)=1 I have to find the solution
5 answers
asked by
pauly
402 views
log3 2 +log3 X +log3 (2x-3)=log3 X + log3 (x+1) + log3 (x-1) - log3 (x^2-1)
1 answer
asked by
sarah
347 views
find where f(x)<0 and f(x)>0
f(x)=xlnx-2x
4 answers
asked by
emily
389 views
(4^x2)^2 mulipled by 1/(4^5x)=64
1 answer
asked by
sarah
306 views
find the zeros of the function:
f(x)=x^3+2x^2-109x-110 I think I need to factor but everytime I do, it doesn't look right.
2 answers
asked by
kate
538 views
If a savings fund pays interest at a rate of 10% per year compounded semiannually, how much money invested now will amount to
1 answer
asked by
Anna
404 views
Find the indicated partial sum of the series.
infinity E 3(1/2)^i i=1 third partial sum
1 answer
asked by
bbbb
396 views
find domain of f(x) = 15/sqrt(x+6)
3 answers
asked by
mo
462 views
f(x)=Log1/3^(9x)find the domain and range.
1 answer
asked by
madison
455 views
Is sine an even or odd function?
2 answers
asked by
lauren
464 views
Find sec x if sin x = -0.6 and cos x = 0.8.
2 answers
asked by
anna
910 views
If is vector a ia 7 units long, the magnitude of vector b is 10 units and the cosine of the angle between the two vectors is
1 answer
asked by
anna
449 views
Find the exact values of the six trigonometric functions of theta if the terminal side of theta in standard position contains
1 answer
asked by
Anonymous
439 views
in many parts of the coutry the average temp of a particular area may be modeled by a sin usoidal function. According to NCDC
1 answer
asked by
bandit55751
460 views
cos(θ)=-((3)/(7)) where pi<theta <3pi/2 find value sin2 theta
3 answers
asked by
bandit55751
490 views
Find the vector v with the given magnitude and the same direction as u. ||v||=7, u=3i+4j
4 answers
asked by
Christine
1,538 views
How do I calculate the number of images in a particular iteration for a transformation?
1 answer
asked by
Carly
302 views
find an equation of the tangent line to the parabola at the given point..show work
y=(-2)x^2 (-1,-2)
3 answers
asked by
Christine
429 views
Find the equation of the parabola:
x^(2)+4x = y-8
1 answer
asked by
Haley
240 views
solve the system of equations:
x^(2)+y^(2) = 12 xy = -4
1 answer
asked by
Haley
309 views
What are parametric equations?
How would you find the rectangular eq's when given parametric eq's? and how would you find
1 answer
asked by
Haley
1,090 views
express the roots of unity in standard form a+bi.
1.) cube roots of unity 2.) fourth roots of unity 3.) sixth roots of unity 4.)
2 answers
asked by
Yoshi
810 views
How do you solve log5 sqrt125?
2 answers
asked by
Ashley
502 views
find the domain and range of the following as an inequality and interval notation.
y=sqrtx-3 2: y=3x+5 3: y= 2/x-7 4; y=2+sqrt x
3 answers
asked by
anon
791 views
I am really struggling with a bunch of problems. Any help with any of the following would be greatly appreciated. Thanks
1. ln
1 answer
asked by
allison
592 views
f(x)=4x^2-8x+9
find the vertex the maximum the minimum the range and the intervals where it increases and decreases
2 answers
asked by
pre calc
519 views
A is accumulated amount investing after p principal for t years at and interest rate of r compounded anually k is times per
3 answers
asked by
kevin
1,573 views
How would you find the inverse of these two functions: f(x)=4/(x-4)^2 and
f(x)=x^2-8x+16 could you please show me step by step i
4 answers
asked by
Diana
355 views
convert into equation with 0 on right hand side
sq route (x+6) = 6-2 sq route (5-x)
1 answer
asked by
m
282 views
1)Find the polar equation of y=5
2) Find the rectangular equation of r=3
1 answer
asked by
Anonymous
311 views
Use Sigma Notation to write the sum
[10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]
1 answer
asked by
Alex
346 views
Write the partial fraction decomposition of the rational expression.
6x^2+1/x^2(x-1)^2
3 answers
asked by
Robert
512 views
Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence.
6.1,
4 answers
asked by
Alex
559 views
Suppose that z1=6-8i. Find:
A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2,
2 answers
asked by
Joshua
534 views
1. Find (-1+i)^1/3
2. Express 2(cos5pi/3 + isin5pi/3) in regular form. would this be correct: 1-√3i? 3. Find (2+4i)^3 in
3 answers
asked by
95
399 views
solve x/x^2-4 - 1/x+2=2
1 answer
asked by
95
219 views
write 196x^2-256y^2+17=12561 in standard form, show work.
5 answers
asked by
95
370 views
Rewrite 3y^2 + 6y + 108x - 969=0 in standard form, show work.
1 answer
asked by
95
344 views
Parabola:
Rewrite 3y^2 + 6y + 108x - 969=0 in standard form, show work.
3 answers
asked by
95
437 views
What is the transverse axis of the following equation?
25x^2+250x-36y^2-576y=2579
3 answers
asked by
95
457 views
Hyperbola:
25x^2+250x-36y^2-576y=2579 in standard form
1 answer
asked by
95
328 views
What is the directrix and focus of the equation 1/16(y+4)^2=x-3
1 answer
asked by
95
309 views
what is the directrix and focus of the equation 1/16(y+4)^2=x-3
1 answer
asked by
95
250 views
what is the directrix and focus of the equation 1/16(y+4)^2=x-3
2 answers
asked by
95
646 views
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