Pre- Calculus

21,138 results, page 28

Pre-Calc/Trig

y=-x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x-4)

Trig/Pre-Calc

Solve the polynomial equation. 15x^3-119x^2-10x+16=0

Pre-calc/Trig

For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= -1/24x^2

pre-algebra

The scale factor for a blueprint is 7cm= ___m Model 40.4 cm actual 80.6m

Pre ALGEBRA

HELP PLS MS SUE. Find the surface area of a sphere with a radius of 8 cm.

pre-cal

find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24

pre algebra HELP

Can someone help me with this? I have to use order of operation with it to -12/3x(-8+(-4^2) -6)+2 My answer: -6 Is this correct???

Pre-Algebra

how do I solve... 6/x + 3/ (I'm studying adding and subtracting mixed/improper fractions)

Pre-Algebra

Please check....... convert to slope intercept form y-27=4x 16-2y=22 8x+11-4-27 -11/-11 8x=4x+38 +4x 4x 12/12x=38/12 = 1 1/3

Pre Algebra Test

Which quadric rule represents the data in the table below? A. y=-2x^2+5 B. y=-x^2+5 C. y=x^2-5 D. y=x^2+5

Pre cal 11

What the r the factors of this expression. 4(5b-3)^2+10(5b-3)-6. plz explain all steps to this answer and thanks :)

pre cal

HELP! what type of equation does the rectangular form y=4(square root of 2x/3)-1 describe???

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 cal

Solve the following inequality. Write the answer in interval notation. x^4>4x^2

pre calc

Give the coordinates of the circle's center and its radius. (x−1)^2 +(y+8)^2 =16 a. (-1,8); r=4 b. (1,-8); r=16 c. (1,-8); r=4 d. (-1,8); r=16 e. none of these

pre-calc

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:

Pre calc

Evaluate the expression given that cosine a=4/5 with 0<a<pi/2 and sin b=-15/17 with 3pi/2< b<2pi

Pre Algebra

A baker can prepare 2 1/2 dozen cupcakes in 1/4 hour. what is the unit rate?

Social Studies Pretest

Plz help on this pre test. Its unit 3 lesson 1 anyone know the answers

Pre-Calculus

A local salesman receives a base salary of 675 monthly. He Also receives a commission of 11% on all sales over 1900. How Much would he have to sell in a month if he needed to have a monthly income of 3000? My Work: 1900*.11=209 3000-675=2325 2325/209=11.12440191 1900*11....

pre calculus

You have a $50 coupon from the manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell phone is offering a 20% discount on all cell phones. Let x represent the regular price of the cell phone. (a) Suppose only the 20% discount applies. ...

Calculus Graph help!!!

I need help with a calulus graph and figuring out its equation but it wont let me post the picture of the graphs here. so will someone who understands Calculus and their graphs super well please email me k m k underscore horse lover at hot mail dot com. no spaces and an actual...

Pre-calculus (trigonmetry)

The Bermuda Triangle is an unmarked area in the Atlantic Ocean where there have been reports of unexplained disappearances of boats and planes and problems with radio communications. The triangle is an isosceles triangle with vertices at Miami, Florida, San Juan, Puerto Rico, ...

Discrete Math

There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II, 32 students taking ...

Pre Algebra

How do you subtract and add mixed numbers? Give an example of a problem so that I can show you.

pre-algebra

Solve the inequality- -7z<21 See my answers to Jill and Sarah. I hope this helps. Thanks for asking.

pre.al.

find the measure of an angle if the sum of the measures of its complement and supplement is 162 degrees.

pre-cal

can anyone please explain to me how to simplify this exponential expression??I got no idea...THANKS A LOT! [(-8x^6)/(y^-6)]^2/3

Pre Algebra

How can I find the area of the shape when it has three units? Heres how it looks: Thanks to who helps :)

pre-algebra

I need to know how to find the mean,mode,median and range of a set of numbers

Pre-Algebra

Find the differences between the following values: a) 217 and -198 b) 1 2/3 and 3/4 c) $o.59 and $1.25 What am I suppose to do?

Pre-Algebra

How do you find an equation if you only a have a graph. Like, its already graphed??

Pre calc

How do you write a quadratic equation in standard form for a given set of zeros?

Pre-Algebra 7th Grade

how do I simplify the following expressions by collecting like terms? x+2+x= x+x+x+4+8+x= 2x-9+x

Pre-Algebra

In a-c, explain what would happen to a figure if you transformed it using the given rule. a. (3x, 6y) b. (x+2, y+1) c. (2x, 2y +5)

pre-algebra

write the expression using only positive exponents 1.13^6 2.8^-9 3.xy^0 4.6g^-5 how do you do this? please and thankyou

pre-algerbra

what is the simplest form 8/22 16/24,9/21/,20h/24h using product of prime factors.

Pre Cal.

If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct?

7th pre-algebra

I need help understanding how to slove two step equations. Example -10 - k=-36

pre algebra

solve and check the following equation:I have no idea as to how to answer this. 69g-60=5g-2-g

Pre Cal.

Find the area between each curve and the x-axis for the given interval. a. y=x^4+5 from x=0 to x=5 650 b. y=3x^2+5x-1 from x=1 to x=4 97.5 c. y=4x-x^3 from x=0 to x=2 4

Pre- algebra Math 6 th grade Gifted

what is the sum of the numbers 1 to 1000? ans:500500

pre calc

Find two functions defined implicitly by the given relations: (a) 3x² - y² = 25 (b) y² = x

Pre-Cal

Find the maximum value of f(x) = -2x^2 + 12x - 14 Do i have to set this equal to o to solve?

Pre-Cal

Use the law of cosines to find the angle of Q between the given vectors. v=3i + j w=2i - j

pre aglebra

find the distances between the points H(15,-3) and G(-10,-1). round to the nearest tenth,if necessary.

pre algebra

express 56 novels out of 168 books as a fraction in simplest form

pre algebra

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

Pre Calc

Complete the square to find the center and the radius of the circle: 3x^2+3y^2-12x+24y+15=0

Pre calc

Find the Domain of the function: f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15

Pre Calc

Complete the square to find the center and the radius of the circle. 3x^2+3y^2-12x+24y+15=0

pre calc - polynomials & factoring

perform the opertaion and write the result in standard form... (2x^2 + 1) - (x^2 - 2x + 1)

Pre-calc

how many radians are displaced by the minute hand of a clock between 1:00 pm and 6:45 pm of the same day

PRE CALC PLEASE HELP!!!!!!!!

find the solutions of the equation that are in the interval [0,2pi) 2-cos^2x=4sin^2(1/2x)

Pre-Calc

Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13

Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .

Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .

Pre Calc

f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy

pre-cal **need help for test in the morning

Find zeros: f(x)=12x^(3)-107x^(2)-15x+24

pre algebra-math

two fractions equivalent to the given factor: 1) 18/21 2)3/17 thank you so much if u helped me

pre algebra

Write a rule that expresses the number of quarts q of a liquid as a function of each of the following

pre algebra

I am in college the question is: Find the opposite of the given signed number 0.095.

Pre-Calc

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.

Pre-algebra

State a definition of a polynomial in the x. Give an example of a monomial, a binomial and a trinomial. Thank you.

pre-calc

True or false: Perpendicular lines have slopes that are reciprocals of one another.

Math

How would I draw an age appropriate graphic organizer on snow for a Pre K classroom?

pre cal

Given triangle ABC, A = 120, a = 8, b = 3; determine B to the nearest whole degree

English Comp

I need help on how to write a compare and contrast essay on the topic of pre-school

Pre-Calc/Math

Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x)

pre algebra

Determine the radius of the circle given its area. Use 3.14 for π. A=3.7994 ft^2

interior decoration

What is pre-shopping? A cold call is a ? The primary purpose of qualifying clients is to?

Math ( Pre Calc)

Find all real and imaginary roots of the polynomial equation 3x^4-x^3+4x^2-2x-4=0

pre-cal-please help

find the mid point of the line segment joining the points P1 and P2. P1 = (3,5) P2 = (-4,7)

Pre-Calc

I have to solve these using matrices by hand. Can someone please help me? 2x-3y-2z=4 (1/4)x-(2/5)y+(3/4)z=(-1/3) -2x+1.3y-3z=5 Thank you so much! :)

Pre-Algebra

Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)

pre calc

How long would it take from 3000 to get to 8000 at 8% interest at compounded quarterly?

pre algerbra

Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7

Pre calc

Write the equation in standard parabola form? x^2+ 4xy +4y^2 +5root5 y+ 5 = 0 Thanks so much!

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(t)= t-3/t+6 , g(t)= 1/(x+6)^2

pre cal

how do you determine the the quadratic function if the problem gives you a graph with the line has points of (-3,5) and (0,-4)?

pre-calculas

find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3

Pre Calc

Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.

Pre alegabra

There are 14 nickels, 10 dimes, 6 quarters, and 22 pennies, what's the probability I will pick a dime from the jar?

pre cal

f as a function of x is equal to the square root of quantity x plus two; g(x) = 8x - 6 Find f(g(x)).

pre cal

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = x2 - 3 and g(x) = square root of quantity three plus x

Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x

Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x

Pre-Calc/Trig...

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1

Pre-Calc/Trig...

Help me please. Solve the equation: (x-3)(x+2)=0 Enter the solution with the lowest value.

Pre-Calc/Trig

Describe the end behavior for function by writing a limit expression. f(x)=2x^5-x+7

math

what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz

pre-algebra

how do you rewrite rational numbers -0.56, -2.3,2.11, I do know where to start I'm a mom trying to help my son with his homework

Pre-Calc/Trig

write an equation of the conic section: a hyperbola with vertices (0,-6) and (0,6) and asymptotes y=(3/4)x and y=(-3/4)x

algebra

I an taking a pre test and I can't figure this question out at all--- 56x^7+21x^4+63^3

Pre-Cal

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = (x-7)/(x+3) and g(x) = (-3x-7)/(x-1) I got to the point where f(g(x)) is plugged in but how would I simplify it? (((-3x-7)/(x-1))-7)/(((-3x-7)/(x-1)+3)

pre algebra

2. 2x^2+8-4x+3x-6x^2+7 a. -8x^2-7x+15 b. -4x^2-x+15 c. 4x^2+x+15 d. 8x^2+7x+15 3. 4x^2+8x-11x+6-5x^2+2 a. -x^2-3x+8 b. -x^2+3x+8 c. x^2-3x+8 d. x^2+3x+8 can u please help me out with these questions steve or damon or ms sue. pls help me

Physics

a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job

Pre Calculas

Need help Give an example of an exponential function that goes through the point (0,4) .

Pre-Calc

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?

Pre-Cal

Sin^2xcosx+4sinxcosx+3cosx=0 I'm not even sure where to start. Help please

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