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3 years ago

10

I’m not sure if i am correct with my answer. Can Someone help or confirm which answer it is or if i’m correct or not? :)

1 answer:

Alex3 years ago

8 0

Hi! i think it’s the last one (270 degrees counterclockwise and 1 unit to the right)

if it was 180 degree, the shape would be in quadrant II, not quadrant III

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I want to know the answer to this . I don’t really get it . so how would I get the answer ?

Lapatulllka [165]

Answer:

0.444... (or 44.44...%)

Step-by-step explanation:

The experimental probability is the probability of an event actually happening. The experimental probability of a man having a beard here is 44.444...% (8/18).

8 0

3 years ago

Find four consecutive integers whose sum is 114

bija089 [108]

Answer:

the sum of 27,28,29,30 is 114

Step-by-step explanation:

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3 years ago

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Pyramid A has a triangular base where each side measures 4 units and a volume of 36 cubic units. Pyramid B has the same height,

omeli [17]

Answer:

The volume of pyramid B is 81 cubic units

Step-by-step explanation:

Given

<u>Pyramid A</u>

$s = 4$ -- base sides

$V = 36$ -- Volume

<u>Pyramid B</u>

$s = 6$ --- base sides

Required

Determine the volume of pyramid B <em>[Missing from the question]</em>

From the question, we understand that both pyramids are equilateral triangular pyramids.

The volume is calculated as:

$V = \frac{1}{3} * B * h$

Where B represents the area of the base equilateral triangle, and it is calculated as:

$B = \frac{1}{2} * s^2 * sin(60)$

Where s represents the side lengths

First, we calculate the height of pyramid A

For Pyramid A, the base area is:

$B = \frac{1}{2} * s^2 * sin(60)$

$B = \frac{1}{2} * 4^2 * \frac{\sqrt 3}{2}$

$B = \frac{1}{2} * 16 * \frac{\sqrt 3}{2}$

$B = 4\sqrt 3$

The height is calculated from:

$V = \frac{1}{3} * B * h$

This gives:

$36 = \frac{1}{3} * 4\sqrt 3 * h$

Make h the subject

$h = \frac{3 * 36}{4\sqrt 3}$

$h = \frac{3 * 9}{\sqrt 3}$

$h = \frac{27}{\sqrt 3}$

To calculate the volume of pyramid B, we make use of:

$V = \frac{1}{3} * B * h$

Since the heights of both pyramids are the same, we can make use of:

$h = \frac{27}{\sqrt 3}$

The base area B, is then calculated as:

$B = \frac{1}{2} * s^2 * sin(60)$

Where

$s = 6$

So:

$B = \frac{1}{2} * 6^2 * sin(60)$

$B = \frac{1}{2} * 36 * \frac{\sqrt 3}{2}$

$B = 9\sqrt 3$

So:

$V = \frac{1}{3} * B * h$

Where

$B = 9\sqrt 3$ and $h = \frac{27}{\sqrt 3}$

$V = \frac{1}{3} * 9\sqrt 3 * \frac{27}{\sqrt 3}$

$V = \frac{1}{3} * 9 * 27$

$V = 81$

6 0

3 years ago

Read 2 more answers

tom was using wire of the following thicknesses .33mm , .275mm, .25mm, .3mm for some electrical work. order the wire from thicke

Lena [83]

Thickest to thinnest....
0.33m , 0.3mm, 0.275mm, 0.25mm

5 0

3 years ago

Omials<br> GCF of 96x5 and 64x2?

Agata [3.3K]

32
the greatest common factor of 480 and 128 is 32
480 / 32 = 15
128 / 32 = 4

3 0

3 years ago