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olya-2409 [2.1K]
3 years ago
10

What is the distance between points P begin ordered triple (-2,1,3) end ordered triple and Q begin ordered triple -(1,4,-2) end

ordered triple to the nearest tenth?
Answer is 5.9
I need to know why the answer is rational (meaning why is it correct)
Mathematics
1 answer:
Gnom [1K]3 years ago
4 0
Because its a function

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How to to right a*a*c*c using exponents
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Answer:

a*a*c*c=a^2×c^2

Step-by-step explanation:

Thanks!!!!!!!

5 0
3 years ago
Using the quadratic formula, what is the solution to 2x^2-5x-6=0 ?
Alex17521 [72]
\bf \textit{quadratic formula}\\

\begin{array}{lcclll}
2x^2&-5x&-6&=0\\
\uparrow &\uparrow &\uparrow \\
a&b&c
\end{array}
\qquad \qquad 
x= \cfrac{ - {{ b}} \pm \sqrt { {{ b}}^2 -4{{ a}}{{ c}}}}{2{{ a}}}\\\\
-----------------------------\\\\
x=\cfrac{-(-5)\pm\sqrt{(-5)^2-4(2)(-6)}}{2(2)}\implies x=\cfrac{5\pm\sqrt{25+48}}{4}
\\\\\\
x=\cfrac{5\pm\sqrt{73}}{4}\implies x=
\begin{cases}
\cfrac{5+\sqrt{73}}{4}\\\\
\cfrac{5-\sqrt{73}}{4}
\end{cases}
4 0
3 years ago
Grab the image of the rectangle DEFG reflection across the line x= 3​
zubka84 [21]

Answers:

  • D ' at (9, -9)
  • E ' at (5, -9)
  • F ' at (5, -2)
  • G ' at (9, -2)

Refer to the diagram below

========================================

Explanation:

For points D,E,F,G we will follow these steps

  1. Shift everything 3 units to the left so that the vertical line x = 3 will move on top of the y axis (which is the vertical line x = 0).
  2. Reflect across the y axis using the rule (x,y) \to (-x,y). Here we have the x coordinate flip in sign from positive to negative, or vice versa. The y coordinate stays the same.
  3. Shift everything 3 units to the right so we effectively undo the first step. This places the points in the proper final position.

Let's go through an example:

Point D is located at (-3, -9). Apply the three steps mentioned above.

  1. Shift point D three units to the left to arrive at (-6, -9)
  2. Reflect over the y axis to go from (-6, -9) to (6, -9)
  3. Lastly, shift 3 units to the right to move to (9, -9) which is the location of D'

In short, D(-3,-9) reflects over the line x = 3 to land on D ' (9, -9)

The other points E, F, G will follow the same steps to get the answers you see at the top.

The diagram below visually summarizes everything.

-------------

Side notes:

  • The distance from D to the line of reflection is the same as the distance from D' to the line of reflection. Put another way, the line of reflection bisects segment DD'. Points E,F,G follow the same property.
  • Going from D to E to F to G has us go counterclockwise. Going from D' to E' to F' to G' has us go clockwise. Any reflection transformation will flip the orientation.

3 0
3 years ago
I will give brainliest <br> Thank you (:
bekas [8.4K]

Answer:

non-unifrom

Step-by-step explanation:

8 0
1 year ago
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Find the probability of this event. Enter the answer as a fraction in simplest form, as a
sashaice [31]

Answer:

I think it is  The probability expressed as a fraction is i hope this help if it don't sorry i am new

Step-by-step explanation:

5 0
3 years ago
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