Pre Calculus
21,880 results, page 26

PreAlgebra
13  t = t + 7 (13  t)  13 = (t +7) 13 t = t  6 t + t = (t  6) + t 0 = 6 This makes no sense to me.. What is the answer to the problem 13  t = t + 7 
Pre Calc
Solve the nonlinear inequality: x^35x^214x<0 
PreCalc
Prove: 2  sec^x / 1+ tan ^x = cos 2x 
Math(precalc)
what are all the real zeros for 1x^5+2x^4+4x^3+19x^2+9x5? 
pre cal
what are the real and imaginary zeros of the equation 2x^3 + 5x^2  3x + 7 
Pre Calc
Can someone help me understand how to do this: I need to find two solutions to the problem (x2)^2 + (y+3)^2 = 9 
pre cal
Choose the point on the terminal side of 45° 
PreCalc/Trig
is the integer n odd or even, explain 
pre calc
cos2x=cosx in interval of [0,2pie] 
pre algebra
12. State whether the number 97 is prime, composite, or neither. 
precalc
cos x+sec x=2 if you could please show all work 
Prealgebra
What is the answer to negative 4 to the fourth power? 
High School, Pre Algebra
1 3/7* (3 2/3) A. 3 2/7 B. 5 5/21 C. 11 D. 5 5/21 I got A , but then I tried figuring it out again and I think the denominator is 21 
precal
solve for all values in [0,2pie) 2sin^2x1=0 
prealgebra
can you please help me find the common denominater to this problem? n+2/3=1/9 
pre algebra
32yd/min equal how many in/sec 
Prealgebra
Find the equation of a line that contains (2, 2) and is perpendicular to y= x+3 
PreAlgebra
What is the formula to find the area of a circle? May I have an example? 
Pre Calc
x^2+y^2=625 Verify that (24,7) lies on the circle. 
precalc
How do you solve this inequality? 2x over 4 minus 5x+1 over 3 is greater than 3 
PreAlgebra
Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 15 20 25 30 15 IS MY ANSWER 
Social Studies
How democratic was the prewar South? 
PreChemistry
What is the chemical name thing for salt? Anyone? Bueller? 
pre alg
25a^2 b^5 c^8 / 40 a^5 c^9this problem i come up with 5/8a7b5c..is this correct? 
Social Studies
How democratic was the prewar South? 
Pre ALGEBRA
what are the next three terms in the sequence 6, 5, 16, 27? A)38,49,60 B)37,47,57 C)36,45,54 D)36,46,57 i think its a Am i right Somebody help me please DAMON,MS.SUE, SOMEBODY PLEASE HELP ME 
mathpre al
what are lateral faces on a square pyramids? 
prealgebra
If a and b are any real numbers, is the statement a x b = b x a always true? Why or why not? 
pre alg
if the slope of a line is 8/4, do we simplify it to 2? or does it stay at 8/4? 
precalc
We use the same polynomials as in the first question. Suppose that 3x^3 + 2x + 1 = (ax^2 + bx + c)(x+2) + d. Then b is equal to: 
PREALGEBRA
Solve the equation. 3x + 7x =120 It will help if you explain it too. Thanks! 
PreCollege Algebra
multiply the polynomial (x1)(2x squared  x 3) 
Pre Algebra
What is the unit rate if the question is $3.29 for 12 cans? 
pre alg.
26 centimenters per sec. = _ meters per min. 
PreCalc
Please help stuck on this one question Find (fog)(2) and (f+g)(2) when f(x)= 1/x and g(x)=4x+9 
Precalc
how many solutions are there to csc^2x=25 (0≤x<2π) 
PreCalc
cosx/(1+secx) Please help me simplify this expression. 
pre calc
theta=sin^1 (5/13) ; (x,y)=(3,1) how do u find the coordinates of x' and y'?? 
PreAlgebra
what is the equation in slopeintercept form of 7x+2y=10 
Pre Algebra
9+5k=45+2k I don't even know where to begin with this. Can someone give me some direction please. 
Pre Calc
Solve the nonlinear inequality: x^35x^214x<0 
Math
Hi, I have to do a project on the Shell Method in my Geometry class. I have been trying to find information on that topic, but have no luck... can someone point me to the right direction as of what keyword to search for, or is there any sites or books or video that have such ... 
PreCalculus
The monthly revenue acheived by selling x boxes of candy is calculated to be x(50.05x)dollars. The wholesale cost of each box of candy is $1.50. How many boxes must be sold each month to achieve a profit of at least $60. Can someone please let me know how to set up this ... 
math: precalculus
List the transformations that will change the graph of g(x)=lnx into the graph of the given function h(x)=log(x+3)8 a) Horizontally shift the graph to the right by 3; then vertically shift downward by 8. b) Horizontally shift the graph to the left by 8; then vertically shift ... 
PreCalculus
Hello! Can someone check and see if these answers are correct? Thanks! 1.) If a line with slope of 1/2 is perpendicular to another line, then the slope of the other line is 2. TRUE or FALSE? (I choose True) 2.) If Segment QR  Segment TU and the slope of Segment TU is 3, ... 
precalculus
A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)? _______radians per minute B.) A Ferris wheel has a radius of 39 feet and travels 5.6 feet every second. What is the speed ... 
calculus
Find any relative extrema and any points of inflection if they exist of f(x)=x^2+ ln x^2 showing calculus. Please show work in detail so I can follow. Thanks. The answer is no relative max or min and the points of inflection are (1,1) and (1,1) but I'm having trouble getting ... 
PreCalculus
A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to two digits each ... 
PreCalculus
A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to two digits each ... 
Calculus 2
Calculus work problem. John bought the following corner lot. Two sides are bounded by 2 roads the back is bounded by a stream that follows the curve y = x^3 + 8. He wants to build a house in the center of the lot. Where will that be? Please show all work 
AP Calculus
HELP! I'm in calculus class and they keep talking about Taylor series. I don't understand what's going on. Please explain what is Taylor series and what is Mclaurin series and how they are similar and how they are different. 
PreCalculus Help? Vectors?
How does multiplying a vector by a scalar value of pi/4 change the vector? A.) The vector will change direction and increase in magnitude. B.) The vector will change direction and decrease in magnitude. C.) The vector will not change direction but will increase in magnitude. ... 
Math (Precalculus)
An artist is creating a mosaic that cannot be larger than the space allotted which is 4 feet tall and 6 feet wide. The mosaic must be at least 3 feet tall and 5 feet wide. The tiles in the mosaic have words written on them and the artist ants the words to all be horizontal in ... 
Pre algebra
what is the difference between an irrational number and a integer? PLZ HELP ME!!! 
Precalc
Solve these equations for x by factoring: 1) x(x4)=12 2) 2x^3+50x=20x^2 3) 2x^2+x6=0 Thank you for all your help!!!! 
pre cal
This is like the preceding problem, except that your answers may be negative x^2+7/3x+ =(x+ )^2. x^2−5/7x+ =(x+ )^2. x^2+2/3x+ =(x+ )^2. 
pre calc
find the equation of the left half of the parabola: (x+5)^2=4y+2 
precal
Find Zeros: F(x)=12x^3107x^215x+24? 
pre calc
show that the statements are true for all natural numbers 1^3 +2^3 +5^3+....+(2n+3)^3 =n^2(2n^2 1) 
PreAlgebra
Explain how to model the multiplication of –6 and 3 on a number line. 
Pre algebra
1. Find The surface area of a sphere with the radius of 8 cm. Please help. 
Math/pre algebra
What are the answers to why is a hill like a lazy dog? 
PreAlgebra B
5  4,5,5,6,6,6,7,8,8,9 6  0,0,1,1,2,2,2,3,4,4,4,5,6,7 7  0,1,1,1 How do you find the mean of this stemandleaf plot? Please answer!! 
pre algebra
solve equation.. i continually keep getting this problem wrong x/3=x/52 
PreAlgebra
Associative property I think. 2. (2.25 • 23) • 4 2.25x23=51.75 4x51.75=207 
PreAlgebra with PIZZAZZ
First, what is the code for What should you say when you meet an angel? Second, what are the answers to it for 914? 
pre cal
what are the amplitude and period of the sinusoid y=6cosx+7sinx? 
Pre Calc
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? 
PreAlgebra
Find any numbers for which each rational expressionis undefined. 9y^5+y^3/9 
Pre algebra
Find the constant of variation if y varies directly as x, and y=17 when x=34 
Precal
Given that P=(1,8) and Q=(2,1), find the component form and magnitude of the vector 3 PQ. 
PreAlgebra
Which equation models the linear relationship in the table below? x y 4 10 1 5 6 20 
pre algebra
i am having trouble understanding how to do this math problem 4/3x=160 
pre algebra
Write a rule for the linear function in the table. x f(x) 1 3 2 2 3 1 4 0 A. f(x) = 4x B. f(x) = x – 4 C. f(x) = x + 4 D. f(x) = 4 – x 
prealgebra
describe a situation in which you would use a percent greater than 100% 
Pre algebra
Find the constant of variation when y varies inversely as x, and y=8 when x=5 
Precal
How do I find the reference angle in radicals given the value of cosecant 5 pi/6? 
precalcus
In the following function determine the domain, range, and asymptotes. f(x)= 5*(1/3)^x 
PreAlgebra, How do i do this?
How do you find the surface area of the rectangular prism? 
Math Pre.Alg
What is $33,800 at 3.5% compounded semiannually for 5 years? 
Math (PreCal)
The infinite series S = 1/5 + 3/5^3 + 5/5^5 + 7/5^7 + 9/5^9 + ... converges. Find S. 
prealgebra
how do you multiply and divide inequalities and work the problem out??? 
Honors pre algebra
What is the mixed number form of 4.1 with a repeating 66? 
PreAlgebra
What association would you expect if graphing height and weight? 
pre cal
The equation 2^2x−5×2^x+6=0 has two solutions. The smaller is ? and the larger is ?. 
prealgebra
determine which numbers in each set are solutions to the corresponding equations. 3n=45; {15, 30, 45} 
Math Pre.Alg
What is $33,800 at 3.5% compounded semiannually for 5 years? 
preap physics
how do i find the vertical and horizontal components of velocity? 
preap physics
how do i find the vertical and horizontal components of velocity? 
Pre cal
3Square root of 2 cosine theta equals 1 
pre calc
2x^2+4x5 Rewrite quadratic function in standard form. 
Precalc/Trig...
which of the following are quadratic functions? check all that apply 1. y=2x^23x+7 2. y=3x4 3. y=(5x3x^2)/4+1 4. y=xx^3 
precalc
find the inverse of the function f(x) = x^2 − 6x, x ≥ 3 
PreCalc
Determine the solution. x^2=xalgebraically I have no idea how to proceed with this. Can you please help? 
PRE CALC
please help me solve this partialfraction decomposition! 12x57/(x3)(x10) 
PreCalc
Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13 
PreCal
what are the angles on the unit circle for the function tan x = 1? 
pre cal
f(x)= log2 (x1).The vertical asymptote of the function f(x) has equation:? 
Physics
During the preindustrial era, what were the Carbon Dioxide levels like? 
prealgebra
if the scale is 3 in. = 50 mi. what is the actual distance if the line segment was 6 in.