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____ [38]
3 years ago
7

How much fabric is needed to make a tent in the shape of a triangular prism with the following measures?

Mathematics
2 answers:
makvit [3.9K]3 years ago
5 1

Answer:

The fabric needs 196.4 ft²

Step-by-step explanation:

∵ The tent formed formed from 4 faces

 two equilateral triangles with side length 7 ft

 two rectangles with dimensions 11 ft and 7 ft

∵ Area equilateral Δ = 1/4 S²√3

∵ Area rectangle = L × W

∴ The area of the prism = 2 × 1/4 × (7)²√3 + 2 × 7 × 11

                                       = 196.4 ft²

Note:

If you find the area of the triangle by the rule 1/2 × base × height

∴ Area Δ = 1/2 × (7) × 6 = 21 ft²

∴ Area tent = 2 × 21 + 2 × 77 = 196 ft²

Two answer very closed

ycow [4]3 years ago
4 0

Answer:

273 ft^2 (apparently you have to cover the ground)

Step-by-step explanation:

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2.4m log is cut into lengths into the ratio 7 : 5. Find the longer length in cm.
sergeinik [125]

Answer:

140 centimeters.

Step-by-step explanation:

Hello!

A 2.4 meter log is split into the ratio 7:5. Each unit part is one x-increment, so the log is split into 7 x-increments and 5 x-increments.

Find the longer length:

  • 2.4 into 7:5
  • 2.4 = 7x + 5x
  • 2.4 = 12x
  • x = 2.4/12
  • x = 0.2

Now, we must find the longer length, 7x.

  • 7x
  • 7(0.2)
  • 1.4

The longer length is 1.4 meters, but we want it in cm.

There are 100 centimeters in a meter.

  • 1.4 meters = 1.4 * 100
  • 1.4 meters = 140 centimeters

The longer length is 140 centimeters.

7 0
2 years ago
A scale drawing of a room is shown below. In the drawing, the room is 73 inches long and
Wewaii [24]

Answer:

The answer is 365

Step-by-step explanation:

just do 73 times 5 and you get your answer

5 0
3 years ago
Will Give brainliest!
Varvara68 [4.7K]

Answer:

It’s been a while.... I was send somewhere bad....

How are you

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And I’m sorry so sorry

7 0
3 years ago
If x+12 is a factor of a polynomial, what would it tell you about the polynomial ​
telo118 [61]

Answer:

That is has root -12 meaning if you replace x with -12 you get 0.

5 0
3 years ago
Read 2 more answers
5!=5*4*3*2*1;6!=6*5*4*3*2*1 What is the value of 4^4/4!
german

Answer:

\frac{32}{3}

Step-by-step explanation:

If 5! is equal to 5 × 4 × 3 × 2 × 1 and 6! is equal to 6 × 5 × 4 × 3 × 2 × 1, then 4! is equal to 4 × 3 × 2 × 1. Thus, 4! = 4 × 3 × 2 × 1, which can simplify to 24. 4! = 24.

4^{4} is basically 4 × 4 × 4 × 4, which can simplify to 256.

So,  \frac{4^{4}}{4!} = \frac{256}{24}.  \frac{256}{24} can simplify to \frac{32}{3}. Therefore,  \frac{4^{4}}{4!} = \frac{32}{3}.

3 0
3 years ago
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