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3 years ago

Identify the function that is exponential

Mathematics

1 answer:

vlabodo [156]3 years ago

4 0

Answer:

$y=3x^{8}$

Step-by-step explanation:

Exponention functions are of the form $f(x)=ab^{x}$ , where a & b are POSITIVE REAL numbers.

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Which algebraic expression is equivalent to the expression below?

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Using the formula a(b+c) = ab + ac, then 7(2x-6) = 14x - 42. The answer is D.

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3 years ago

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Alika [10]

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2 years ago

What is the measure of

Anestetic [448]

It’s either 100 or 130

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2 years ago

Is the square root of 7 greater or less then 14/5

Leto [7]

Answer:

less then

Step-by-step explanation:

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3 years ago

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Step2247 [10]

Answer:

$A = 297\pi$

Step-by-step explanation:

To solve this problem we need to be familiar with the formula for the surface area of a cone:

$A = \pi r(r + \sqrt{h^2+r^2})$

We are given the length of a side and the diameter, to calculate the radius divide the diameter in half:

$r = \frac{d}{2}\\r = \frac{18}{2}\\r = 9 cm$

To calculate the height of the cone, we must use the Pythagorean Theorem:

$C^2 = A^2 + B^2$

We can treat the side length as the hypotenuse $C$ , the radius as the base $A$ , and solve for height $B$ . Set the expression up like this:

$C^2 = A^2 + B^2\\24^2 = 9^2 + B^2\\B^2 = 24^2 - 9^2\\B = \sqrt{24^2 - 9^2}\\B = \sqrt{576 - 81}\\B = \sqrt{495}\\B \approx 22.25$

Now we can plug into our original formula:

$A = \pi r(r + \sqrt{h^2+r^2})\\A = \pi 9(9+\sqrt{\sqrt{495}^2+9^2}\\A = \pi 9(9+\sqrt{495 + 81}\\A = \pi 9(9+\sqrt{576})\\A = \pi 9(9 + 24)\\A = \pi 9(33)\\A = 297\pi$

5 0

2 years ago