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A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously
5 answers
asked by
John
8,897 views
Write the equation in standard form of the circle which passes through (-2, 16) and has x-intercepts -2 and -32.
4 answers
asked by
Anonymous
1,517 views
Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 69 grams, how much will
5 answers
asked by
Anonymous
5,278 views
Find a formula for the exponential function passing through the points (-3,5/27) and (1,15).
f(x)=
5 answers
asked by
James
3,073 views
A page that is x inches wide and y inches high contains 30 square inches of print. The top and bottom margins are 2 inches deep,
4 answers
asked by
Andy G
7,682 views
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 1 mg.
What was
4 answers
asked by
Taylor
5,494 views
Please help me with this word problem, I can't seem to figure it out.
Both Derek and Sam are 5ft 10in tall. Derek looks at a 10ft
4 answers
asked by
Gaby
4,722 views
You are taking a road trip in a car without A/C. The temperture in the car is 93 degrees F. You buy a cold pop at a gas station.
4 answers
asked by
Anonymous
4,171 views
The Greek mathematician Eratosthenes (ca. 276-195 B.C.) measured the circumference of the earth from the following observations.
4 answers
asked by
Jessica
8,453 views
The cable in the center portion of a bridge is supported by five pillars to form a parabola. The center support is 10 ft high,
4 answers
asked by
Tori
1,095 views
How do I solve this via partial fraction decomposition?
(x^2+9)/(x^4-2x^2-8)
4 answers
asked by
Micki
928 views
The game commission introduces 100 deer into newly acquired state game lands. the population N of the herd is modeled by
4 answers
asked by
Andy G
5,025 views
How do I write sin(arcsinx + arccosx) as an algebraic expression?
7 answers
asked by
Anonymous
5,954 views
Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7
4 answers
asked by
Anonymous
1,291 views
sin(2θ)=1/2
Find all solutions in the interval [0, 2π). (Enter your answers as a comma-separated list.) k = any integer What I
5 answers
asked by
Amber
4,539 views
A chemist has three different acid solutions. The first acid solution contains
25 % acid, the second contains 35 % and the third
4 answers
asked by
Jane
1,617 views
Workers are designing a TV receiving dish in the shape of a paraboloid of a revolution, the factory sent them a paraboloid that
3 answers
asked by
sam
435 views
The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans
4 answers
asked by
Cody
1,697 views
A pilot of an airplane flying at 12,000 feet sights a water tower. The angle of depression to the base of the tower is 25°.
3 answers
asked by
Peter
1,806 views
An open box with a volume of 1500cm^3 is to be constructed by taking a piece of cardboard of 20 cm by 40 cm, cutting squares of
5 answers
asked by
Andy G
2,829 views
1.) Describe how the graphs of f(x) = |2x| and g(x) = -|2x| are related.
a.) All of these. b.) The graph of g(x) is a reflection
4 answers
asked by
Brooke
2,356 views
1.) Suppose that y varies directly as x. If y is 5 when x is 30, the constant of variation is 150. True Or False
2.) If w varies
3 answers
asked by
Anna
1,580 views
A point on the terminal side of an angel theta is given. Find the exact value of the indicated trigometric function
(-1/5,1/2 )
4 answers
asked by
kimberly
1,855 views
Find the point (x, y) on the unit circle that corresponds to the real number n.
n = 5pi/3 (x, y) = ? Is it (1/2, -sqrt3/2)?
4 answers
asked by
Anonymous
2,665 views
How do you do this?
A farmer has 336 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens
6 answers
asked by
Anonymous
3,188 views
The wattage rating of an appliance W varies jointly as the square of the current I and the resistance R. If the wattage is 1.5
3 answers
asked by
Jackie
1,108 views
Find the area of a regular 36-sided polygon inscribed in a circle of radius 20
4 answers
asked by
Hani
109 views
Consider a triangle ABC. C is a right angle, and side a is opposite angle A, side b is opposite angle B, and side c is the
1 answer
asked by
Chris
746 views
Trigonometric Identities
Prove: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx +
1 answer
asked by
Dave
1,324 views
Does y=1/x have an inverse? It is a one-to-one function, so it should be the inverse equation is the same???
yes, the inverse is
1 answer
asked by
Belinda
774 views
How do I solve this? My work has led me to a dead end.
tan(45-x) + cot(45-x) =4 my work: (tan45 - tanx)/(1+ tan45tanx) + (cot45 -
1 answer
asked by
Jess
606 views
I need to figure out how to solve the equation x-squared y-squared+xy=1 i have no clue. I would appreciate any help!
did you mean
1 answer
asked by
Jill-
446 views
I have one more question I don't understand. It's a multiple choice question. I need to pick which of the following describes
1 answer
asked by
sarah
528 views
Hi, I need help writing
log(x^2-9)-log(x^2+7x+12) as a single logarithm. Thankyou! since there is a subtraction sign in between
1 answer
asked by
Ashley
535 views
I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for
1 answer
asked by
Sarah
378 views
Could somebody please check this for me?
Dtermine whether the graph of each equation is symmetric with respect to the origin, the
3 answers
asked by
Natalie
570 views
Establish the identity.
sinx + cosx/sinx - cosx = 1+2sinxcosx/2sin^2x-1
3 answers
asked by
Brittany
1,896 views
To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3|. Give several possibilities for the
2 answers
asked by
Anonymous
946 views
I am having a great deal of difficulty with this problem.
An open box is formed by cutting squares out of a piece of cardboard
4 answers
asked by
Ashley
1,011 views
The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 20 feet is
4 answers
asked by
MUFFY Question has been fixed
904 views
An open box is formed by cutting squares out of a piece of cardboard that is 22 ft by 27 ft and folding up the flaps.
What size
4 answers
asked by
MUFFY
792 views
A pizzeria sells a rectangular 18 X 24 inch pizza for the same price that it sells its large 24" diameter pizza. If both pizzas
4 answers
asked by
MUFFY
1,885 views
Determine the solution.
x^2=|x|algebraically I have no idea how to proceed with this. Can you please help?
6 answers
asked by
MUFFY
309 views
Determine the center and the radius of the following circle:
x^2+y^2+6x-4y-5=0 I got for the radius 3(sqrt2) I got for the center
2 answers
asked by
MUFFY
821 views
Here I am again stuck with another geometry type question. Here goes:
A rectangle is inscribed between the x-axis and the
6 answers
asked by
MUFFY
1,050 views
Write the statement as a power function equation. Use k for constant of variation if one is not given.
a. Charles's law states
1 answer
asked by
Muffy
615 views
Gold weighs 19.3 grams per cubic centimeter (cc), and silver weighs 10.5 grams per cc.
A. Write a formula for the weight of one
1 answer
asked by
Tritanianna
499 views
Starkist tuna company will package tuna fish in 2-L cans. Find the radius and the height of the cans if the cans have a surface
9 answers
asked by
Zach
771 views
Describe the conditions necessary for the two circles, where circle a has a larger radius than circle b, to have no points of
1 answer
asked by
Anonymous
470 views
Show that cos(pi - θ) = -cos θ
for every angle θ
1 answer
asked by
Frankie
358 views
Hello, I am not sure how to go about solving this equation:
The total electrical resistance R of two resistors connected in
3 answers
asked by
Jon
827 views
f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14
1 answer
asked by
Channing
270 views
medication duration using the function of e through time lapse
problem D(h)=8e(up carrot)-0.31(h) find med level at 1 hour- no
3 answers
asked by
BecKi
922 views
Tee Ball is similar to baseball, but the field is a diamond 40 ft square. The pitchers mound is positioned 25 ft from homeplate.
2 answers
asked by
Kali
984 views
Find f(a) where a is in the domain of f.
f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug
3 answers
asked by
Chris
342 views
Write an algebraic expression that is equivalent to the expression (Sketch right triangle)
sec[arcsin(x-1)]
3 answers
asked by
LaTidra
1,432 views
A rectangular package to be sent by a delivery service can have a maximum combined length and girth (perimeter of a cross
6 answers
asked by
Hannah
7,068 views
300=5000^e*.3x
1 answer
asked by
Linda
288 views
I have two questions how do you solve cos x=sqrt2-cosx on the interval of [0,2pi) and how do you verify
3 answers
asked by
Daniel
530 views
Amount after time t A (t) = yobt
Where: yo = starting amount b = growth constant (percent remaining) t = number of time units It
2 answers
asked by
Ann
519 views
I am seeking help with this problem Please...Thank you!
Find the point on the line y=x+3 in the xy-plane that is closest to the
1 answer
asked by
Roy
396 views
Can someone please be kind and show me the steps on this? Thanks
Find the equation of the circle centered at the origin in the
3 answers
asked by
Ann
394 views
Seeking step by step help with this question...Thank you much.
Let f(x) =|9x|. For the area above the x-axis and between the
2 answers
asked by
Amy
495 views
Can anyone help with the following problem please...Thank u so much
Let f(x) =|9x|. For the area above the x-axis and between the
4 answers
asked by
Amy
591 views
I am stuck solving this problem, any help please..Many thanks
find all numbers x that satisfy the given equation ln(2x) -------
3 answers
asked by
Roy
556 views
Can someone show me how to do this please. I am stuck.
find a number x such that e^2x – 12e^x =13
5 answers
asked by
Roy
390 views
Solve the equation.
(tan^2)3x=3
2 answers
asked by
Ash
813 views
Make into one log function:
2logx-log4-log3+logx
1 answer
asked by
matt
384 views
√(X+10) + √(X-6) = 8
Help would be greatly appreciated! Thanks!
3 answers
asked by
Laura
425 views
y=cos^-1(6pi/7)
Is the answer undefined? Thanks for your help.
1 answer
asked by
Johanna
357 views
the equation of lin n is 8x - 14y + 3 = 0. what is k if he graphs of n and kx - 7y + 10 = 0 are perpendicular?
1 answer
asked by
Iasia
390 views
1/x-3 +1 Use a graphing utility to obtain the graph of the function. Give the domain of the function and identify any vertical
1 answer
asked by
Addy
438 views
2-2
2 answers
asked by
Chelsey
636 views
Use the fundamental identities and appropriate algebraic operations to simplify the expression.
cosx / (1+sinx) Answer: secx Can
2 answers
asked by
Lizette
853 views
A mirror is in the shape of a paraboloid. If a light source is 6 feet from the base along the axis of symmetry and the opening
1 answer
asked by
Madison
338 views
A hall 200 feet in length is to be designed as an ellipse if the foci are 35 feet from the center. How high will the ceiling be
1 answer
asked by
Madison
643 views
Can you someone please help me with this question??? Simplify cot(x + pi)
2 answers
asked by
Emily
611 views
How do I solve this equation?
x+5 = sqrt(x+5)
1 answer
asked by
AvgJoe
300 views
How would I solve:
X^(4/3)+X^(2/3)=28
3 answers
asked by
Maddy
374 views
Vector v is (4√3,√3).
Find the angle between v and i.
1 answer
asked by
John
290 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115
Find z2^6
1 answer
asked by
Peter
432 views
Find
[4(cos115+isin115)]^6
1 answer
asked by
Ben
308 views
Find the vertex, value of p, axis of symmetry, focus, and directrix for x – 4 = (-1/6)(y + 2)^2
1 answer
asked by
Brian
408 views
cot 19.8 degrees
1 answer
asked by
Betsy
354 views
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are
3 answers
asked by
Sheila
497 views
I'm so stuck-this stuff is so far above me right now-Please help
(3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that
1 answer
asked by
Jonah
324 views
I'm so stuck-this stuff is so far above me right now-Please help where do I even start? Any hint would be so helpful-
(3x^3-5^2+6
3 answers
asked by
Jonah
504 views
Find the area of the region between the graph of y=1/x, the x-axis, and the vertical lines x = 1 and x = 4.
2 answers
asked by
Lena
1,035 views
x<log(lower number=6)144
I know you would do log144/log6, but I'm not sure if the sign is switched or not.
1 answer
asked by
Lena
325 views
Find three examples of the Fibonacci sequence in nature. Write a paragraph for each example. For each example, address the
5 answers
asked by
Anonymous
1,665 views
I know about Descartes Rule but I don't really get how to figure this out-Please check my answers-
I don't get this one find
3 answers
asked by
Jaclyn
798 views
Please help me with this problem-I'm stuck
(x-2)/(x+2) = (x+10)/x I'm not even sure where to start-Thanks for any help you can
3 answers
asked by
Josh
347 views
Please check answer and help with one of them:
1. check please car in an accident speed of car is the s, d is length of skid=30
1 answer
asked by
Ellie
362 views
Please check answer and help with one of them:
1. check please car in an accident speed of car is the s, d is length of skid=30
6 answers
asked by
Elllie
390 views
Determine whether the function is even, odd, or neither.
f(x)= 7x^(3/4) How do you do this with a fraction?
1 answer
asked by
Cade
469 views
Can anyone direct me to learn more about polar coordinates. I'm in online college course and really am confused. In high school,
2 answers
asked by
Thomas
576 views
Can someone explain how to graph polar coordinates on a TI-84 Plus calculator-I can't find the directions anywhere
Thank you
3 answers
asked by
Thomas
343 views
Ana Colon asks her broker to divide her 401K investment of $2000 among the International Fund, the Fixed Assets Fund, and the
2 answers
asked by
Pauline
547 views
Please check my answers;
1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0 degree)I think it is
1 answer
asked by
Jonathan
965 views
Please check my answers;This are polar coordinates we're studying-I'm almost positive the first two are correct.
1.Which of the
2 answers
asked by
Jonathan
578 views
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