3 years ago

Select all input values for which f(x) = 3.

Mathematics

1 answer:

schepotkina [342]3 years ago

8 0

I have this to bro I’m looking for the answer key

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Give the equation for a circle with the given center and radius.Center at (-10, -4), radius = 5A. (x−10)^2+(y−4)^2=25B. (x−4)^2+

BaLLatris [955]

$D)(x+10)^2+(y+4)^2=5^2=25$

Explanation

Step 1

We know that the general equation for a circle is

$\begin{gathered} (x-h)^2+(y-k)^2=r^2 \\ \end{gathered}$

where

(h,k) is the center of the circel

and r is the radius

then, all we need to do is replace

Let

$\begin{gathered} \text{center}\Rightarrow(h,k)\Rightarrow(-10,-4) \\ \text{radius}\Rightarrow r\Rightarrow5 \end{gathered}$

replace the values

$\begin{gathered} (x-h)^2+(y-k)^2=r^2 \\ (x-(-10))^2+(y-(-4))^2=5^2 \\ (x+10)^2+(y+4)^2=5^2=25 \end{gathered}$

therefore, the answer is

$D)(x+10)^2+(y+4)^2=5^2=25$

I hope this helps you

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2 years ago

A polygon has the following coordinates: A(-4,-3), B(4,-3), C(4,-7), D(-4,-7). Find the length of BC.

KIM [24]

Answer:

Step-by-step explanation:

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4 years ago

A hemisphere has a diameter of 26 centimeters. What is the volume of a sphere with the same radius?

salantis [7]

$r= \frac{d}{2}= \frac{26}{2} \;\Rightarrow r=13\,cm \\ \\ 
V= \frac{4}{3} \pi r^3 \\ \\ 
V= \frac{4}{3} \pi \,(13)^3 \\ \\ 
V= \dfrac{4\cdot 2197}{3} \pi \\ \\ 
V= \frac{8788}{3} \pi\approx 9202,77\,cm^3$

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3 years ago