Pre- Calculus

21,138 results, page 30

Math (pre-celc 12)

Find x: 2(5)^x=3^(x+1) I'm not sure what to do with the 2. I think I need to write the equation as log5^2x=log3^(x+1), but I don't know. Thanks

Pre-Algebra

Use the Associative Property of Addition to find the total of 1, 10, and 18 in two different ways. A. 1 + 10 + 18 = 11 + 18 = 29; 10 + 18 + 1 = 28 + 1 = 29 B. 1 + 10 + 18 = 11 + 18 = 29; 18 + 10 + 1 = 28 + 1 = 29 C. (1 + 10) + 18 = 11 + 18 = 29; 1 + (10 + 18) = 1 + 28 = 29 D...

Pre-calc

Determine the ordered pair that lies on the unit circle corresponding to csc(5π/6). Thank you.

Pre-algebra

a coin is tossed and a number cube is rolled. What is the probability of tossing heads and rolling a 3 or a 5

pre-calc

Solve for t if 0<t<2pi Note: both are less than or equal to . Please help!! I am not sure what I should do.

pre algebra PLZZZ help

Why do you have to use estimation to find the number of triangles you need for the string?

Pre Algebra

Translate the word phrase into a variable expression: the sum of 16 and 4 times a number

Pre-calc

Calculate the period of sin(x), tan(x), sin2(x) and tan2(x). Please explain throughly.

pre calc

-1less or equal to x less then 4, state raltion represented by y=[2x]+1 by listing ordered pairs

Pre-Algebra

List three different ways to write 511 as the product of two powers

Pre Algebra

What is the solution to -55+q=7? P.S if you happen to Have any more answers to the other questions that is greatly appreciated

pre-calculus honors

Generate a function that models the situation. Consider the type of function described—it is not linear! A shipping company charges $4 for the first pound and $3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...

Pre-Calculus

I posted this question about an hour ago, got a response but still confused. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers ...

Calcuslus-Calculus-Calculus

A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer channging when the ...

Maths (Calculus)

A current i = 50sin 100πt mA flows in an electrical circuit. Determine, using integral calculus, its a) Mean Value b) RMS Value each correct to 2 decimal places over the range t = 0 to t = 10 ms I need to do this two way so I was thinking of using the trapezoidal rule and...

biology

List 5 functions of protein in the body. Thanks in advance. Since this is not my area of expertise, I searched Google under the key words "protein functions" to get these possible sources: http://en.wikipedia.org/wiki/Protein (Broken Link Removed) http://www.faqs.org/nutrition...

Algebra/Pre-calculus (Quadratic Equations)

A theatre company allows a group of 10 people to buy theatre tickets at a price of $28 per person. For each person in excess of 10, the price is decreased by $2 per person for everyone down to a minimum of $10 per person. What number of people will produce the maximum revenue ...

calculus-add

(2y-1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks 2) (a)find the general solution of the equation (x-2)dy/dx+3y(x-1)/(x+1)=1 b)given the boundary condition y=5 when x=-1,find the particular solution of the condition given in (a) a little help would do thanks i ...

pre calc

Is there any complex numer that is equal to its conjugate? a+bi=a-bi????? precalc 11th grade a+bi=a-bi ---> 2 bi = 0 ---> b = 0 So, the imaginary part has to be zero.

Pre Cal

How Much must be invested now, at 3.75% interest, compounded monthly to have $37,500 in 22 years? thanks

Pre Algebra 7th Grade

How do I simplify the following expressions by collecting like terms? 2x-9+x=? 6x-4j+3y=? 4x+15+2x-x+9+? j-k-j+3k= 5r+3r+4rt= 7yz+yz=

pre- algebra

Use the digits 1-9 in order. Insert operation signs and grouping symols to get a value of 100.

pre cal HELP

lim (x+x^2)/3x x->0 i need to factor it first then find the limit and the answer is 1/3. I just don't know how to work it out.

math, pre-statistics

Two dice are rolled. What is the probability that result is not doubles?(Round to the nearest thousandth)

Pre-Cal.

Which of the following results in the graph of f(x)=x^2 being expanded vertically by a factor of 3 and? reflected over the x-axis? a. f(x)=1/3x^2 b. f(x)= -3x^2 c. f(x)= -1/x^2 +3 d. f(x)= -1/3 x^2

pre calc need help

Find the indicated function value. Do not use a calculator. tan 180 degrees

Pre-Algebra

Need help with this- If the surface area of a sphere is 64pi what would be it's radius and volume? formula:: V= 4/3*pi*r^3 [i think] Thanks -MC

random

is there a good website where i can purchase educational or any sort of videos for pre-k and kindergarten kids to watch ? please help me thanks

10th grade Pre APworld history

WHAT TYPE OF GOVERNMENT DID SHANG HAVE DURING 8000 B.C.E-600 C.E

Pre-Cal

Solve 5sinx=-4cosx for 0 less than or equal to x <2pi answers to nearest hunderth of a radian

Pre-Cal

1)(1-cos^2x)(csc x) ? Is this equal to sec x? 2) Expand: log7 3 sqrt x / x^2y 3) Find and simplify: f(g) F(x) = x^2 + 2x g(x) = 2x x^2 + 2x(2x) = x^2 + 4x Is this correct?

Pre-Cal

Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing I really do not know how to find these

help plz

2}select the best definition for the word senile. a.pre-eminent b.priority c.old age d.clear

computers

Write an algorithm, in English, to solve the following problem. Be sure to include pre- and post-conditions!

pre-Algebra

The Downtown Theater has 1 ticket window. In how many ways can 3 people line up to buy tickets? _____

pre Algebra

Sam traveled 570 miles in 8.5 hours. Find the unit rate to the nearest hundredth.

pre algebra

find the volume of each solid. if necessary round to the nearest tenth. cube: side 8.5inches

pre algebra

two number cubes are rollede. what are the odds of getting s sum less than 7? is the answer 15 correct ?

Pre Calc Trig

Verify the following: tan( a + p/2) = -cot a a= alpha and p= pie since I do not have that button.

pre calc

Determine between which consecutive integers one or more real zeros of f(x) = –x3 + 2x2 – x – 5 are located

8th grade pre-algebra

how to use a grid and lenghts of line segments to give a geometric argument

Pre-Calc

I am stuck solving this problem, any help please..Many thanks find all numbers x that satisfy the given equation ln(2x) ------- =2 ln(3x)

Pre Algebra

I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years

Pre Algebra

I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years

teaching

hello. i need help starting a pre-iep outline. i have never seen one before. thank you.

pre algebra

Two 6-sided dice are rolled. Find the odds of rolling s sum that is a prime number

CRYSTAL VIOLET HYDROXYLATION REACTION

does anyone have the spartan pre-lab images/info they'd like to share? :)

pre calc

find exact solution algebraically and check it by substituting into the original equation. 2(10^-x/3)=20 logtiny4(x-5)=-1

pre-algebra

Given the linear equation y=-5x-2. Find the y-coordinates of the points (-1), (-2), and (1). Please show all of your work.

Pre-Calc

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.

Pre-Calc

Can someone explain how to graph polar coordinates on a TI-84 Plus calculator-I can't find the directions anywhere Thank you

pre cal

Find f of g of h and state the exact domain. f(x) = sqrt x g(x)= e^x - 13e^x/2 + 42 h(x) = 2x I need help on this one bad! Please help!

pre-algebra

When a baseball is hit it comes in contact with the bat for 0.001 seconds.Write that as a negative exponet?

Early Child Educationand After-School Day Care

Whi are pre-primer programs desinged for?

Pre-Calc

Solve the multiple angle equation in the interval (0, 2ð) tan2x=-1 Do i have to divide the 2 to the other side?

pre algebra

Find the amount of simple interest earned in 3 years. Principal: $460 Annual rate: 3.5%

Pre-Algebra(7th Grade)

I don't know how to do area on a shape if it has missing numbers.. .also i need help on division with decimals...

Pre Algebra

If you have 256 ft of fence for your yard. The lenth is 12 feet longer than twice the width. What are the dimensions?

Pre-Cal.

use the complex zeros to give fully factored form, the first factor needs a x in it : (-3) (-2i)(x+2i)

Math (College Pre-Cal)

For given functions f and g find formulas for a)f o g and b)g o f. Simplify results as much as possible. f(x)= x+7/x-13 , g(x)= 1/x+1

Pre-Cal

If I have -30degrees in the 4th quarter of a graph, how do i figure out the positive equivalent of that angle?

Pre cal

determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out

Pre-Calc

How would you go about finding all the solutions of the equation. I just don't know where to start. 2cos2theta-root3=0

pre cal

For a normal curve, what percentage of values falls beyond two standard deviations from the mean?

Pre-cal

Simplify: A) log(x+1)+3logx B) 2log4np-3log4p C) 2ln(3x)+ln(5x)-ln6xy D) 22log10+log1000-log1

Pre-Calc/Trig

Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40

pre calc

Use the derivative of f(x) = 6x7 + 7x6 to determine any points on the graph of f(x) at which the tangent line is horizontal.

Pre-Calc/Trig

Go over this with me please, I forgot how to do it. Solve the polynomial equation. 15x^3-119x^2-10x+16=0

Pre-Calc

Through how many radians does a circle of radius 1 foot rotate if it rolls 10 feet down the road?

pre-calc

Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

pre-calc

Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

pre cal

Can you simplify (2x^-4 y^-1 times 2y^4 z^-1)^-2/ 2yx^3 z^0 I got the numerator to be 16x^16 y^17 z and then divided by the denominator to get 8x^13y^16z

Pre-algebra

Explain why the point-slope formula cannot be used to find the equation of a line that is parallel to y-axis?

8th Grade Pre-algebra

3. Select all of the numbers that are correctly written in scienctific notaton A)42 x 10^5 B) 1.1 x 10^4 C) 7.0 x 20^4 D) 6.01 x 10^-4 E) 18.0 x 10^3 4. Simply (2.0 x 10^4)(3.0 x 10^3) A)6.0 x 10^7 B) 6.0 x 10^12 C) 6.0 x 10^5 D) 6.0 x 10^43 5. (7.0 x 10^6)+(2.0 x 10^6) A)9.0 ...

Pre-Calc

Solve for 0 <= x < 2pi. csc^2 (x) = 4 I know one answer is pi/6. Would the others be 5pi/6, 7pi/6, and 11pi/6?

Pre-Calc Question

I may be missing something obvious here, but why is an expression such as sqrt-4 always simplified as 2i and not -2i?

Pre-algebra

PLEASE SHOW ALL STEPS 15-(4m-5)=32 I am just so pleased with this website I love it soooooooooooo much

penn foster child care

A pre schooler should drink ____________ ounces of milk each day

Geometry

Triangle XYZ is the pre-image with vertex X(-6,-4). Given the algebraic rule for the composition,t(3,5) R(270 ,cc) , what are the coordinates of X’?

Pre algebra

Write each of the following expressions without using absolute value. |x−y|, if x<y I reall don't get this please help

Math

And which situation what do you need a percent less someone to solve a problem? 7th Grade Pre Algebra

pre cal

Find the sin(Θ) of an angle in standard position if the terminal side passes through the point (4, -8).

Pre Cal

Given: b = 600, B = 11°, C = 75° in triangle ABC; find a. (Round the answer to the nearest whole number.) a =

Pre calc

Solve the given equation cos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you

pre-algebra 1

Write 6.92 x 10 -8 in standard notation. A. 0.000000692 B. 0.0000000692 C. 0.0000000069 D. 0.00000692 Please help, i have no clue!!!

pre algebra 1

Write a rule for the linear function in the table. x f/x 1 -7 2 -10 3 -13 4 -16 A. f(x) = -1/3x – 4 B. f(x) = 3x + 4 C. f(x) = –3x – 4 D. f(x) = x – 7 have no clue, would like some help

math-calculus

30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i not sure what to do? i use the quadratic formula? math-calculus - Steve, Saturday, January 7, 2012 at 3:38pm First, you have to simplify properly: 30/(x^2-25) = 3/(x-5) - 2/(x+5) 30 = 3(x+5) - 2(x-5) You were ok ...

pre - CALCULUS

The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 − (10.45+10√𝑣...

pre-algebra

ok Relation between two quantities expressed as the quotient of one divided by the other? please help this is puzzling

preschool

how painting will support the communication and intellectual development of the children in pre school setting. need some help thank you.lisa

Pre Cal

Let the line X-2Y=15 and the circle with equation X^2+Y^2=50 intersect at the points A and B. Algebraically find the coordinates of A and B using the information given.

Pre Calc

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 this? (The answer is -1/2) Help please?

Math - Pre Algebra

$1280 at 13% compound annually for 3 years Use the formula: B= p(1+r)n Please help me I need the answer for tommorow

Pre-Algebra

Can someone show me how to turn this into an equation? I mean like 'y=x-z' -2x+ y > or equal to 2 Did I say what I needed to get right? -MC

Pre-Algebra[URGENT]

How would I solve this? Change 18.35 into a mixed number. Reduce your answer to lowest terms Thanks -MC

pre calcalus

a circle with 4 inch radius, find length of arc when intercepted by central angle of 240 degrees

Pre Cal

Find the manitude of each vetcor, and write each vector as the sum of the unit vectors. Choose either one (2,6) or (4,-5) Thank you

pre calc

1. For the following functions listed below: (a) f(x) = -2cosx f(x) = 0.25sinx (b) f(x) = -3sin(2x+3)+7 f(x) = sinx + 4 Find : (i) the amplitude (ii) the period

Pre-Cal

Find cos(2x) if sin = 7/25 and x lies in quadrant 1 My answer was 336/625 but this was wrong. I do not know how to figure this out.

Pre-Cal(Please help)

1)(1-cos^2x)(csc x) ? Is this equal to sec x? 2) Expand: log7 3 sqrt x / x^2y 3) Find and simplify: f(g) F(x) = x^2 + 2x g(x) = 2x x^2 + 2x(2x) = x^2 + 4x Is this correct?

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