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Irina-Kira [14]

3 years ago

6

If r=8 and h=4, what is the volume of the cylinder shown above

1 answer:

Inessa05 [86]3 years ago

4 0

Lets get started :)

The Volume formula of a Cylinder is
V = $\pi$ r²h
(r = radius, h = height)

The radius given is 8 and the height is 4, We can plug in the known values

V = $\pi$ (8)²(4)
= $\pi$ 256
= 256 $\pi$ units³ (You can leave the answer in this form)
≈ 804.2 units³ (approximately)

Units³ because it is a volume (3D shape)

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For two functions, a(x) and b(x), a statement is made that a(x) = b(x) at x = 2. What is definitely true about x = 2? (2 points)

Irina-Kira [14]

The statement that is definitely true about x = 2 is Both a(x) and b(x) have the same output value at x = 2.

<h3>How to find the statement that is true about the functions a(x) = b(x) at x = 2?</h3>

If we have two functions a(x) and b(x), a statement is made that a(x) = b(x) at x = a, this implies that the values of the functions a(x) and b(x) are equal at x = a.

Given that the two functions a(x) and b(x), a statement is made that a(x) = b(x) at x = 2.

Then the statement that is definitely true about x = 2 is Both a(x) and b(x) have the same output value at x = 2.

So, the statement that is definitely true about x = 2 is Both a(x) and b(x) have the same output value at x = 2.

Learn more about functions here:

brainly.com/question/10439235

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8 0

2 years ago

Alex

Answer:

Step-by-step explanation:

tan49=h/17

h=17tan49

h=19.6 m

5 0

3 years ago

Solve 9x^2- 17x- 85 = 0 Give your solutions correct to 3 significant figures.

dybincka [34]

Answer:

$x =\frac{17}{18} +\frac{1}{18} \sqrt{3349}$ OR $x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

$x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}$

$x =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}$

$x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

4 0

2 years ago

Simplify:<br><br>7j-6k-5j+4k<br><br>also what is 30% of 520

alukav5142 [94]

The first one simplified is 2j-2k 30% of 520 is 156

7 0

4 years ago

Find all of the factors of 72. 1, 2, 3, 4, 6, 8, 9 1, 2, 3, 4, 8, 12, 16, 24, 36, 72 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36 1, 2,

Andrew [12]

Answer:

Find all of the factors of 72

1,2,3,4,6,8,9,12,18,24,36,72

Step-by-step explanation:

3 0

4 years ago