Pre- Calculus

21,305 results, page 28

pre algebra with pizzazz 239

why didn't the circus managers want their human cannonball to quit?

History

What language was spoken/written by the venerable bede/ pre Beowulf period?

Pre- Algebra

Solve x - 5/9 <_ - 2. Write your solution using set builder notation.

Pre-Algebra

Ok so im in 7th grade and can somone help me with pizzazz worksheet #40? Pretty please?

Pre- Algebra

Can you graph these equations for me so that I can figure out how to do them? 1). Y=4x-3 2). 4x-5=2x-y 3). Y=1x1+4 4). X+5=2x-7 Can you explain your work?

pre-algebra

explain the following:(a+b)^2 =//a^2 +b^2. Give a numerical example to illistrate this please.

pre-algebra

when rounding to the nearest cent does it have to be to right or left or does it matter?

Pre-cal

How do I find the reference angle in radicals given the value of cosecant 5 pi/6?

Pre-Calc

find the exact value of sin(-15pi/6) and cot(-7pi/6)

Pre-Cal (polynomials)

How does the degree of a polynomial function affect the end behavior?

pre-calc

cosx= -8/17, 180<x<270 find sin x/2= cos x/2= tan x/2=

pre-calc

find the exact value of the given expression. Thank you! tan(1/2cos^-1(9/10)

pre-ap chem

what is thew approximate bond angle around the N atom in HNO2?

pre algebra homework check

Find the sum or difference. 4s^2-11s+s^2-6s+21 Is it 5s^2-17s+21?

Math applied/pre-cal

(-8/5)^7/4*(-8/5)^1/4=64/25 Not sure how get this answer . Could please show me the steps.

Math Pre-Algebra

help!! does anyone know how to write an expression to represent the number of minutes in x hours

pre algebra

i need help for some problomes on my math homework which is [3x]2 [two is for exponent]

Pre Algebra

simplify the following expression x+4(y+8x) Write the property that justifies each step

pre-calc

How do I find all the real zeros of the polynomial function of these 3 ? ): 1) g(t) = 1/2t^4-1/2 2) g(t) = t^5-6t^3+9t 3) f(x) = 5x^4+15x^2+10

pre-algebra

why there's no # 54-72 on pg. 214 on the 7th grade math textbook??? if you can't tel why it's ok and thanks by the way

Pre-Cal.

Solve the following inequality . Write your solution in interval notations. x+3/x-3<0.

pre cal

If (a, b) is a point on the unit circle that corresponds to the angle t, then tan(t) equals:

Pre calc

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

Pre-cal

find all solutions of equation in [0, 2pi) 2 (sec x)^2 + (tan x)^2 -3 = 0

pre algebra

how many ways can you make 45 cents with pennies ,dimes, nickels, and quarters?

pre-algebra

describe and correct the error in multiplying -5 and -12, then divide by -4. X -5(-12) -60 ______ = _____ =15 -4 -4

7th grade pre-algebra

The problem is a(a-c)=23. Solve for c if both a and c are positive numbers. Thanks

math pre-algebra

a paved brick is 3x , 2x+2 , 5x-3 , 2x+2 find the perimeter of five bricks

Pre-Algebra

I think I understand how you do scientific notation. But how do you solve a problem like 2.5 x 10^7?

pre-algebra

find the two ordered pairs that you can use to graph the equation y=-1/3x-2

pre-calculas

Use "completing the square" to find the zeros of the polynomial. =2x squared + 6x + 5 = 0

math pre algebra

i need help with linear functions with ways to remeber them easier

Pre-Calc

Eliminate the parameter x = abs(t-3) and y = t + 3...how do you undo the absolute value in order to get y=?

Pre-calc/Trig...

which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3

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-calc

Perform the operation and write the result in standard form. ___16___ 2x+2

Pre algebra

What are the actual dimensions of the sofa in inches? 90 x 45 90 x 36 75 x 25 80 x 30 I think its the second choice

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...

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 ...

Calculus

A certain calculus student hit Mrs. Evans in the head with a snowball. If the snowball is melting at the rate of 10 cubic feet per minute, at what rate is the radius of the snowball changing when the snowball is 1 foot in radius?

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, ...

math

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is not a mathematics major

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.

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