Mathematics

Mathh help urgent please help and explain

1.) for P(x)=3x^3 + 6x^2 - 5x + 4 determine P(-1)-to find P(-1), all you do is plug -1 in for all the xs in the equation. Thus: P(-1) = 3(-1)^3 + 6(-1)^2- 5(-1) + 4 P(-1) = 3(-1) + 6(1) -5(-1) + 4 P(-

MATH/ALGEBRA HOMEWORK HELP??? PLZ HELP 10 POINTS BEST ANSWER GRADE 8 MATH

MATH/ALGEBRA HOMEWORK HELP???? 10 POINTS BEST ANSWER.? Okay so Im a little stuck on math homework this week and its about: scientific notations and standard notations???? I have a math book for refer

What is 10 to the power of 19

i know the answer i swear-10^3=1000 10^19= 1 with 19 zeros.-10 to the power of 19 =10^19 =10000000000000000000

How do I take the integral of 1/[x^2+x] with respect to x

Ive tried integration by parts, but I keep ending up with 0=0 at the end. I know the answer is ln(x)-ln(x+1)+C, but I need to know how to reach this. I saw that wolfram used a hyperbolic tangent funct

Calculation: What's 338 x 5

1690-Why dont you just do it out on paper, stop being lazy, and if you really have to use a calculator.-1690-1690.

(8x^3+2x^2-7x+2)÷(2x-1)??? 10 POINTS

A. 4x^2+3x+2 B. 4x^2+6x-1 C. 4x^2-3x-2 D. 4x^2+3x-2-long division of polynomials... ..........4x^2 + 3x - 2 ........._________________ 2x - 1 |8x^3 + 2x^2 - 7x + 2 .........8x^3 - 4x^2 ...........

What is 3 to the power of 2 times 3 to the power of 4

Algebra question .Is the answer 3 to the power 6?-Yes if the base is the same then you just add the exponents together-(3^2)(3^4) = 3^(2 + 4) = 3^6 =729 This is simply a rule in Algebra so yes, yo

Trigonometric functions

f ( θ )= 8sin^(4) θ - 2sin^(2) θ - 2 1. Show that f (θ) = cos4 θ - 3cos 2 θ-8 sin⁴(x) - 2 sin²(x) - 2 = = 1 - 8 sin²(x) + 8 sin⁴(x) - 3 + 6 sin²(x) = = 1 - 8 sin²(x) + 8 sin⁴(x) - 3[1 - 2 sin²(x)] =

Volume in Cemistry Best Answer, Im a little lost

Determine the thickness (in cm) of a rectangular piece of aluminum foil that is 17.0 inches long and 3.0 inches wide, with a mass of 2.21 grams. Its density is 2.70 g/cm^3-d = m / V V = m / d V = 2.2

Need help with this combination problem!

Assume that the committee consists of 7 Republicans and 6 Democrats.A subcommittee consisting of 5 people is to be selected. (1) How many such subcommittees are possible if each subcommittee must con

What is the answer and process to this equation

4y-1/3 + 5y-8/2 = 12y+6/6 I believe 『y = 62/11』 but according to my text book 『y = 32/11』-(4y - 1) / 3 + (5y - 8) / 2 = (12y + 6) / 6 6[(4y - 1) / 3] + 6[(5y - 8) / 2] = 6[(12y + 6) / 6] 2(4y - 1) +

Help with probability? Explain

A fair six sided die is tossed seven times in a row. a. What is the probability that a 4 comes up exactly four times b. What is the probability that a 4 comes up an even number of times c. What is

Calculus/Optimization questions? * BEST ANSWER POINTS

1. Three sides of a trapezoid are 10 cm each. What is the length of the fourth side such that the area will be a maximum? 2. A rectangular field is to have an area of 100m^2. It will be enclosed by f

Integrate: x*3^x^2dx

I am assuming you want to integrate: ∫ x*3^(x^2) dx. Start out by substituting: u = x^2 ==> du = 2x dx. Then, we have: ∫ x*3^(x^2) dx = 1/2 ∫ 3^(x^2) (2x dx), by re-writing = 1/2 ∫ 3^u du, by applyi

A calculus "getting the content" question

kay, well i kinda get the idea of what youre supposed to do, but its just out of reach. can you explain? Use the disk method to verify that the volume of a right circular cone is 1/3pi*r^2*h, where r