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3 years ago

The radius of a circle is 6 miles. What is the circle's area? Use 3,14 for pi

Mathematics

1 answer:

ICE Princess25 [194]3 years ago

4 0

Answer: 28.6 miles

Step-by-step explanation:

A = pi r^2

A = 3.14 (3)^2

Now multiply 3.14(3)^3

Your answer is 28.26

* Radius is 1/2 of the diameter.

I believe this is right, but im not sure.

Hope it helps :)

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2(3,980)

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3 years ago

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2 years ago

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3 years ago

Let f(x)= 100 / −10+ e^ −0.1x . What is f(−6) ?

bija089 [108]

The value of f(-6) is -12.2

Explanation:

Given that the function $f(x)=\frac{100}{-10+e^{-0.1\left(x\right)}}$

We need to determine the value of f(-6)

The value of f(-6) can be determined by substituting the value for $x=-6$ in the function and simplify the function.

Hence, let us substitute $x=-6$ in the function, we get,

$f(-6)=\frac{100}{-10+e^{-0.1\left(-6\right)}}$

Let us apply the rule $-\left(-a\right)=a$ , we get,

$f(-6)=\frac{100}{-10+e^{0.1\left(6\right)}}$

Multiplying the numbers, we get,

$f(-6)=\frac{100}{-10+e^{0.6}}$

The value of $e^{0.6}=1.822$

Substituting the value of $e^{0.6}=1.822$ , we get,

$f(-6)=\frac{100}{-10+1.822}$

Subtracting the denominator, we have,

$f(-6)=\frac{100}{-8.178}$

Dividing, we have,

$f(-6)=-12.228$

Rounding off to the nearest tenth, we have,

$f(-6)=-12.2$

Thus, the value of f(-6) is -12.2

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2 years ago

25 POINTS AND BRAINLIEST IF ANSWERED CORRECTLY!

vesna_86 [32]

X=-1 hope this helped!

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3 years ago

Read 2 more answers