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3 years ago

What is the qoutient of 0.1 and 20

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

Step-by-step explanation:

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The volume of this regular pentagonal pyramid is 82.5 cubic meters. What is the height of the pyramid?

a_sh-v [17]

the height of the pentagonal pyramid is 5. 70 meters

<h3>Volume of a regular pentagonal pyramid</h3>

The formula for determining the volume of a regular pentagonal pyramid is given as;

V=5/12tan(54°)ha^2

Where

a is the base edge
h is the height

We have the volume to be;

volume = 82. 5 cubic centers

height = h

a = 5m

Substitute the values

$82. 5 = \frac{5}{12}$ × $tan 54$ × $h$ × $5^2$

$82. 5 = 0. 42$ × $1. 3764$ × $25$ × $h$

Make 'h' subject of formula

$h = \frac{82. 5}{14. 45}$

h = 5. 70 meters

The height of the pentagonal pyramid is 5. 70 meters

Thus, the height of the pentagonal pyramid is 5. 70 meters

Learn more about a pentagonal pyramid here:

brainly.com/question/16315924

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6 0

1 year ago

I need this help with this problem x^2+4x-5=0 using the “completing the square” method step by step

Hatshy [7]

Answer:

X=125/64

Step-by-step explanation:

x^2+4 x-5=0

x^2+4x=5

4x^3=5

x^3=5/4

x=5^3/4^3

x=125/64

4 0

3 years ago

The local home improvement store wants to increase their inventory. Last year 40 lawn mowers cost them $4,776.

hoa [83]

40 mowers = $4,776

Multiply the above equation by 3
120 mowers = $14,328

7 0

3 years ago

Read 2 more answers

What is this math problem x²+9×+14=0

WINSTONCH [101]

$x^2+9x+14=0\\\\ x_{1}=\frac{-b-\sqrt{b^2-4ac} }{2a}=\frac{-9-\sqrt{9^2-4*1*14 } }{2 }=\frac{-9-\sqrt{81-56 } }{2 }= \frac{-9-\sqrt{25 } }{2 }=\\\\=\frac{-9-5 }{2 }=\frac{-14 }{2 }= -7\\\\ x_{2}=\frac{-b+\sqrt{b^2-4ac} }{2a}=\frac{-9+\sqrt{9^2-4*1*14 } }{2 }= \frac{-9+5 }{2 }=\frac{- 4 }{2 }= -2$

5 0

4 years ago

I put C but again I’m not really sure it’s the correct answer.

egoroff_w [7]

Answer:

Step-by-step explanation:

7 0

3 years ago