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Gnesinka [82]
2 years ago
13

Tayla purchased a large box of comic books for $300. She gave 15 of the comic books to her brother and then sold the rest on an

Internet website for $330, making a profit of $1.50 on each one. How many comic books were in the box
Mathematics
1 answer:
weeeeeb [17]2 years ago
3 0

Answer:

Number of comic books is 75.

Original price of each comic book is 4$.

Step-by-step explanation:

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These two polygons are similar.
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Answer:

\huge\boxed{z=3}

Step-by-step explanation:

If two polygons are similar, then corresponding sides are in proportion.

The corresponding sides:

4 → x

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2 → 6

z → 9

therefore:

\dfrac{z}{9}=\dfrac{2}{6}         <em>cross multiply</em>

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3 years ago
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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11 months ago
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Answer:

30112.50. 15x22x91.20+26.50

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2 years ago
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