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vodomira [7]
2 years ago
7

Set of all numbers greater or equal to -8 but less than 9

Mathematics
1 answer:
Sedaia [141]2 years ago
7 0

Answer:

Could you give more detail?

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Select the correct answer from each drop-down menu. Javier purchased a digital camera for $384. The value of the camera deprecia
Eva8 [605]

Answer:

it will take 3 yrs for the value of camera to reach $162.

Step-by-step explanation:

<u>Pd</u><u> </u><u>=</u><u> </u><u>P</u><u>(</u><u>1</u><u>-</u><u>R</u><u>/</u><u>1</u><u>0</u><u>0</u><u>)</u><u>^</u><u>T</u>

<u>1</u><u>6</u><u>2</u><u> </u><u>=</u><u> </u><u>3</u><u>8</u><u>4</u><u>(</u><u>1</u><u>-</u><u>2</u><u>5</u><u>/</u><u>1</u><u>0</u><u>0</u><u>)</u><u>^</u><u>T</u>

<u>1</u><u>6</u><u>2</u><u>/</u><u>3</u><u>8</u><u>4</u><u> </u><u> </u><u>=</u><u> </u><u> </u><u>(</u><u>3</u><u>/</u><u>4</u><u>)</u><u>^</u><u>T</u>

<u>2</u><u>7</u><u>/</u><u>6</u><u>4</u><u> </u><u> </u><u>=</u><u> </u><u> </u><u>(</u><u>3</u><u>/</u><u>4</u><u>)</u><u>^</u><u>T</u>

<u>(</u><u>3</u><u>/</u><u>4</u><u>)</u><u>^</u><u>3</u><u> </u><u>=</u><u> </u><u> </u><u>(</u><u>3</u><u>/</u><u>4</u><u>)</u><u>^</u><u>T</u>

<u>T</u><u> </u><u>=</u><u> </u><u>3</u>

3 0
2 years ago
Which statement is true
Vsevolod [243]
D is true!!

Hope this helped:)
6 0
3 years ago
By using (17,-13) (17,8) what is the slope
uysha [10]
Y2-y1/x2-x1

8-[-13]/17-17

21/0

this is called undefined because its denominator is zero.
4 0
3 years ago
Find the domain of f(x)=x-9/x squared-81
vagabundo [1.1K]

f(x)=\dfrac{x-9}{x^2-81}\\\\\text{The domain:}\\\\x^2-81\neq0\qquad\text{add 81 to both sides}\\\\x^2\neq81\to x\neq\pm\sqrt{81}\\\\x\neq-9\ \wedge\ x\neq9\\\\Answer:\ \boxed{\text{All real numbers except -9 and 9}}\to\boxed{x\in\mathbb{R}-\{-9,\ 9\}}

7 0
3 years ago
Find the general solution of x'1 = 3x1 - x2 + et, x'2 = x1.
Ann [662]
Note that if {x_2}'=x_1, then {x_2}''={x_1}', and so we can collapse the system of ODEs into a linear ODE:

{x_2}''=3{x_2}'-x_2+e^t
{x_2}''-3{x_2}'+x_2=e^t

which is a pretty standard linear ODE with constant coefficients. We have characteristic equation

r^2-3r+1=\left(r-\dfrac{3+\sqrt5}2\right)\left(r+\dfrac{3+\sqrt5}2\right)=0

so that the characteristic solution is

{x_2}_C=C_1e^{(3+\sqrt5)/2\,t}+C_2e^{-(3+\sqrt5)/2\,t}

Now let's suppose the particular solution is {x_2}_p=ae^t. Then

{x_2}_p={{x_2}_p}'={{x_2}_p}''=ae^t

and so

ae^t-3ae^t+ae^t=-ae^t=e^t\implies a=-1

Thus the general solution for x_2 is

x_2=C_1e^{(3+\sqrt5)/2\,t}+C_2e^{-(3+\sqrt5)/2\,t}-e^t

and you can find the solution x_1 by simply differentiating x_2.
7 0
3 years ago
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