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AnnyKZ [126]
3 years ago
6

Complete the following statement ( round your answer to the nearest hundredth) f(7)=

Mathematics
2 answers:
andrey2020 [161]3 years ago
7 0

Answer:

- 1.67

Step-by-step explanation:

To evaluate f(7) substitute x = 7 into the expression

f(7) = \frac{3}{7+2} - \sqrt{7-3}

     = \frac{3}{9} - \sqrt{4}

     = \frac{1}{3} - 2

     = \frac{1}{3} - \frac{6}{3}

     = - \frac{5}{3} ≈ - 1.67

Elenna [48]3 years ago
5 0

Okay so in this question it says to solve f(7). This means to plug in the 7 every where you see an x, so that it looks like this: \frac{3}{7+2} -\sqrt{7-3}Then you'll solve it like a normal equation.

Hope this helped! Let me know if there is anything I need to clarify or explain more in depth!

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2.5 x 10^{-8}x 9 x 10^{-10}= 22.5 x 10^{-18}= 2.25x 10^{-17}

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Find the equation of the line that
sladkih [1.3K]

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

\blue{\textsf{\textbf{Question:-}}}

What is the equation of the line parallel to y=-5x-9 and contains the point (-3, -3)?

\blue{\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

First of all, parallel lines have the exact same slope.

So we know the slope of the line:- -5.

(enter -5, It's the number that belongs in the green box)

How about the y-intercept?

Well, since we're given the slope and a point that the line intersects, we can write the line's equation in point-slope form:-

y-y1=m(x-x1)

y-(-3)=-5(x-(-3)

y+3=-5(x+3)

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y=-5x-18

<h3>Good luck.</h3>

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

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