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3 years ago

HELPPP A GIRL OUTTT 10 POINTS!!!!!!!!

Mathematics

1 answer:

Katena32 [7]3 years ago

8 0

(x+5)² + (y - 6)² = 16

(x - h)² + (y - k)²= r² is circel centered at (h,k) with radius r.

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There are 39 chips number from 1 to 39 placed in a barrel one chip is randomly pulled from the barrel what is the probability th

Alex Ar [27]

P (number on chip is 18 or higher) = 22/39

7 0

2 years ago

Simplify the expression

ollegr [7]

Answer:

Step-by-step explanation:

$\dfrac{x^2-8x+12}{x^2-7x+10}\\\\x^2-7x+10\ne0\ \iff\ x=\frac{7\pm\sqrt{49-40}}{2}\ne0\ \iff\ x\ne5\ \wedge\ x\ne2\\\\\\\dfrac{x^2-8x+12}{x^2-7x+10}=\dfrac{x^2-2x-6x+12}{x^2-2x-5x+10}=\dfrac{x(x-2)-6(x-2)}{x(x-2)-5(x-2)}=\\\\\\ =\dfrac{(x-2)(x-6)}{(x-2)(x-5)}=\dfrac{x-6}{x-5}\\\\\\f(x)=x-6\\\\g(x)=x-5$

4 0

3 years ago

If T: (x, y) → (x + 6, y + 4), then T-1: (x,y) → _____.

alexgriva [62]

T is a linear transformation from R²→R² with basis {(1,0),(0,1)}
T: (x,y)→(x+6,y+4)

A function from one vector space to another that preserves the underlying (linear) structure of each vector space is called a linear transformation.

Then the vector (1,0) goes to (1+6,4)=(7,4)=7(1,0)+4(0,1)

and the vector (0,1) goes to (6,1+4)=(6,5)=6(1,0)+5(0,1)

So, the matrix of the transformation is

$\left[\begin{array}{ccc}7&6\\4&5\end{array}\right]$

The inverse of the matrix is

$\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]$

So, the Inverse Transformation is given by

$T^{-1}(x,y)=\left[\begin{array}{ccc}\frac{5}{11}&\frac{-6}{11}\\ \\\frac{-4}{11}&\frac{7}{11}\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =(\frac{5x-6y}{11}, \frac{-4x+7y}{11})$

So, no option is correct. And the answer is

$T^{-1}(x,y)=(\frac{5x-6y}{11}, \frac{-4x+7y}{11})$

Learn more about linear transformations here-

brainly.com/question/13005179

#SPJ10

5 0

2 years ago

PLEASE SOMEONE HELP ME!!! I'm stuck on this problem!!! (THE DIRECTION IS ---"Find the area of the figure")

svetlana [45]

A = 3,953 in²

You find the area of the whole triangle:
1/2bh = 1/2(63+31)(63+62) = 5875

Then subtract the missing rectangle:
lw = (62)(31) = 1922

5875 - 1922 = 3953 inches

Since you're multiplying inches by inches, it's inches².

5 0

3 years ago

Read 2 more answers

What does h(40)=1400 mean in terms of the problem

bearhunter [10]

the correct answer is 40 is under hours of training and 1400 is under monthly pay

8 0

3 years ago