Mathematics

Help how would I graph this quadratic function: G(x) = x^2 + 12x + 32

Note the equation can be written as (x + 6)^2 - 4 So this will b a parabola, facing up, whose lowest point will be at x = -6, y = -4 Then plot the points when x = -5 and -7, both of which will have y

Find the missing variable in each of the following (grade 9 math)

1.r ------ 2.7 =2.8-------16.8 ????-That means r/14=16/128 that implies r/14=1/8 that equals r=14/8=7/4

Finding an eigenvector (linear algebra)

A=41 , -30-7with eigenvalue = -2 the answer is = 1 , -6 I am following the directions but I am not getting this!! Can someone please help!-λI - A = (λ - 4) (-1) (30) (λ + 7) When the eigenvalue λ

A square tile has an area of 144 square inches. What is the length of one side of the tile

The area of a square is given by multiplying sides of equal length: if each side is length x, the area is x^2 Therefore x^2 = 144 and x = Square root of 144 which is 12

Help with math homework

This will probably be an easy one for you business minded people, but Ive been sitting here staring at it for what feels like hours and cant figure it out. I would really appreciate if someone would e

3 math questions , 10 POINTS♥

1.y=5/x a) x = 0, y = 0; b)x = 4, y = 1; c)x = 0, y = 4; d)x = 0, y = 0; 2.f(x)=8/x-4 a)x = 4, y = 0; b)x = 0, y = 4; c)x = 4, y = 0; d)x = 0, y = –4; 3.y=1/x+4 a)x = 0, y = 0; b)x = 0, y =

Hard math problems please help

1. A receptionist worked 38 hours this week. Find the receptionists gross pay if she earns $5.50 per hour. 2. A mechanic earns 15.00 an hour for 40 hours and receives time and a half for overtime. L

Helphelphelp, Factoring Trinomials

1) a^2b^2 + ab - 6 2) a^2b^2 + 5ab + 6 3) m^2 - mv - 56v^2 4) j^2 - 9jk - 10k^2 PLEEASE PLEASE HELPP ME. :b i dont get it :o can someone please help explain? if your god at this EASY 10 POINTS ,

Probability (hard college level) Question

You have been called for jury duty in a town where there are two taxi companies, Green Cabs Inc and Blue Taxi Ltd. Blue Taxi uses cars painted blue; Green Cabs uses cars painted green. Green Cabs domi

Find the sum of the series Σ (2^(n+1)) / (5^n))

[from n=0 to infinity]-Note that after some manipulations, the series turns out be a geometric series. oo Σ 2^(n+1) / 5^n. n=0 oo Σ (2^n * 2) / 5^n n=0 ..oo 2 Σ (2/5)^n .n=0 We have a geometric s

What method should I use to solve this proportion problem

Here is the problem: In an election, 40% of the Democrats and 92.5% of the Republicans voted yes. Of all the Democrats and Republicans, 68% voted yes. Find the ratio of Democrats to Republicans. I c

Please solve and EXPLAIN how to reach the final answer!

If the sum of the sides of a right triangle is 49 inches and the hypoteneuse is 41 inches, find the two sides.-Let x and y denote the two legs. Since the sum of the legs is 49, we have: x + y = 49. .

Why does my Graphing Calculator come up with an incorrect result

Calculator involved: TI-83 Plus by Texas Instruments. When I enter sin(45) I get .8509035245 every time When I enter 45sin on the computers calculator I get 0.707 Everywhere I look on the internet th

I need the angle of degrees on a triangle. I suspect it is a simple trigonometric function.

A triangle, A,B as the base is 28 feet, A,C to the apex is 4 feet, angle A is a right angle, what is the angle C in degrees. I suspect it is simple, but I seemed to have skipped over trig.-4 ft is the

Help me with this math problem please.(kinda easy)

Three men at 6:00am started to dig two holes. One of them, working alone, completed his hole 3x3x3, in one hour. The other two men, Each working at the same speed as the first, made their 9x9x9. How l