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Valentin [98]
3 years ago
13

How to do this problem

Mathematics
1 answer:
tatyana61 [14]3 years ago
6 0
A) 3. 50+15+15+15= 95.
b) 4. 25+25+25+25= 100.
c) 7. 50+15+15+15+15+15+15+15= 155.
d) 6. 25+25+25+25+25+25= 150.
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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

#SPJ1

6 0
1 year ago
10. Y is the midpoint between points X and Z. If Y has a coordinate of (6,4) and Z has a coordinate of
inysia [295]

Answer 10:

<em>X </em>= (5,0)

Answer 11:

<em>AB</em> = 11.18

Answer 12:

<em>N/A</em>

Step-by-step explanation:

3 0
3 years ago
A student is 90 cm tall and growing at a rate of 3 cm per month. At this rate, in how many months will the student grow to a hei
Zolol [24]

Answer:

14 months

Step-by-step explanation:

14x3=42

42+90= 132

6 0
2 years ago
Ben, Shaneeka, and Phil live on the same street. Ben lives 6/11 mile north of Phil, and 1/3 mile north of Shaneeka. How far does
Norma-Jean [14]

Answer:

Shaneeka live from Phil 7/33 mile far.

Step-by-step explanation:

Given:

Ben lives 6/11 mile north of Phil, and 1/3 mile north of Shaneeka.

Now, to get how far does Shaneeka live from Phil.

So, by subtracting the distance from  6/11 mile north where Ben lives from Phil to  1/3 mile north where Ben lives from Shaneeka:

\frac{6}{11} -\frac{1}{3}

=\frac{6\times 3 -1\times 11}{33}

=\frac{18-11}{33}

=\frac{7}{33}

Therefore, Shaneeka live from Phil 7/33 mile far.

7 0
3 years ago
rosy has 16 pencils and 24 erasers. she is putting together packets that will have an equal number of pencils and erasers in eac
faust18 [17]

Answer:48

Step-by-step explanation: you were indirectly asked for the L.C. M of 16 and 24

4 0
3 years ago
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