1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nadusha1986 [10]
4 years ago
11

a regular pentagon-based pyramid has 5 faces which are equilateral triangles the perimeter of it's net is 70cm what is the perim

eter of the base?
Mathematics
1 answer:
netineya [11]4 years ago
3 0

Answer:

35cm

Step-by-step explanation:

The net of a regular pentagon has 10 sides.

Since each of the faces are equilateral triangles, the side lengths are equal.

Therefore:

Length of each side of the net = 70/10 =7cm

Therefore, the base is a regular pentagon of side length 7cm.

The perimeter of the base of the pyramid = 5 X 7

=35cm

The perimeter of the base of the pyramid is 35cm.

You might be interested in
What does, - 0.3 x (- 0.27)
Liula [17]
<h2>Correct Answer is '</h2><h2>                                 '</h2><h2>                                  '</h2><h2>                                 V</h2>

<em>                                                 0.081</em>

<h3><em></em></h3>
7 0
3 years ago
PLEASE HELP!!!!!!!!!
pychu [463]
We let
x as the bushels of apples used to make apple cider
y as the bushels of apples used to make apple juice

The system of equations is
x + y = 18
20x + 15y = 330

Solving for x and y
x = 12
y = 6

12 bushels of apples are needed to produce apple cider
6 bushels of apples are needed to produce apple juice<span />
8 0
3 years ago
5) The school that Lexy goes to is selling tickets to the annual talent show. On the first day
Juli2301 [7.4K]

Answer:

Adult ticket is $6

Student ticket is $4, as you said.

Step-by-step explanation:

We'll call adult tickets x and student tix y.

14x + 11y = 128

14x + y = 88

First, solve the second equation for y in terms of x:

y = 88- 14x

Then substitute that for y into the first equation:

14x + 11(88-14x) = 128

14x + 968 - 154x = 128

-140x = -840

x = 6  The adult ticket is $6, like you said.

Now take that and solve for y:

y = 88 - 14(6)

y = 88 - 84

y = 4 The student ticket is $4, as you said.

Hope this helps. Feel free to ask questions so you can understand.

8 0
3 years ago
if a birds elevation is 28 meters above the surface and a fish is -12 meters below how far apart are they
timama [110]
They are 40 meters apart
3 0
4 years ago
Read 2 more answers
What is the value of y in the equation 2 + y = −3?
Mashcka [7]
To figure this out just subtract -3 from 2
-3 - 2 = -5
------------------------------------------
Y = -5
To make sure plug it in
-----------------------------------------
2 + (-5) = -3
Y = -5 is True
4 0
4 years ago
Other questions:
  • 3 less than "x"is equal to 13
    11·2 answers
  • HURRY<br><br>In the figure, j∥k and m∠2 = 117°.<br><br><br>What is the m∠3 ?
    10·1 answer
  • An experiment consists of selecting one of two urns and then removing a marble from the urn. Urn I contains 19 violet marbles an
    7·1 answer
  • Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$ Find $r^2 + s^2.$ Pls help.
    8·1 answer
  • 1/6+1/2 simplest form
    14·1 answer
  • PLEASSSE HELP ASAP
    5·2 answers
  • What is the area of a circle with the radius of 3 inches
    9·1 answer
  • 1. What is the simple interest on $4,500 for 2 and a half years at 4% per year?
    11·2 answers
  • X ≤ 8<br><br><br> x &gt; 8<br><br><br> x &lt; 8<br><br><br> x ≥ 8
    12·1 answer
  • If 4 : 9 is equivalent to (5x+13) : 63, then what is the value of x?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!