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2 years ago

The volume of a cylinder is 3,166.7 cm2. The radius of the base of the cylinder is 6 cm. What is the height of the cylinder?

Mathematics

1 answer:

mart [117]2 years ago

4 0

Answer:

the height of the cylinder is 28cm

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Find the midpoint of points A(8,-7) and B(3,-1) graphically

sukhopar [10]

Answer: (5.5, -4)

Step-by-step explanation:

You can use the midpoint formula to find the midpoint of point A and point B.

$M(\frac{x_{1}+x_{2} }{2}, \frac{y_{1} + y_{2} }{2})$

x₁ = 8

x₂ = 3

y₁ = -7

y₂ = -1

$M(\frac{x_{1}+x_{2} }{2}, \frac{y_{1} + y_{2} }{2})$

$M(\frac{8+3 }{2}, \frac{-7 +-1}{2} )$

$M(\frac{8+3 }{2}, \frac{-7 -1}{2} )$

$M(\frac{11 }{2}, \frac{-8}{2} )$

$M(5.5, -4 )$

Midpoint = (5.5, -4)

Hope this helps!

3 0

2 years ago

19. A quadratic equation is shown below.

victus00 [196]

Answer:

$\{\sqrt b, -\sqrt b\}$

Step-by-step explanation:

Given

$a^2 - b = 0$

Required

Determine the solution

Since b is a perfect square, the equation can be expressed as:

$a^2 - (\sqrt b)^2 = 0$

Apply difference of two squares:

$(a - \sqrt b)(a + \sqrt b) = 0$

Split:

$(a - \sqrt b)= 0 \ or\ (a + \sqrt b) = 0$

Remove brackets:

$a - \sqrt b= 0 \ or\ a + \sqrt b = 0$

Make a the subject in both equations

$a =\sqrt b \ or\ a =-\sqrt b$

The solution can be represented as:

$\{\sqrt b, -\sqrt b\}$

6 0

2 years ago

Whats 100000000000000000000-1000000000000000000000000

Ghella [55]

Answer: -9.999e+23

I don't know what you're up to.

7 0

3 years ago

Khan Academy btw

Irina-Kira [14]

Answer:

B and D

Step-by-step explanation:

$\frac{2^{5} }{6^{5} } = (\frac{1}{3} )^{5}$

$\frac{2^{5} }{6^{5} } = 2^{5}*6^{-5}$

3 0

2 years ago

At Jefferson middle school 82 students were asked which sport they plan to participate in for the upcoming year. 20 students pla

worty [1.4K]

Answer:

2 kids plan to do cross country

Step-by-step explanation:

8 0

2 years ago