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3 years ago

What is the least amount of fabric needed to make the tent

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

7 0

The bottom lateral side has area of 6*7 = 42 square feet
The two lateral sides facing up at a slant have area of 5*7 = 35 sq ft each
So the total lateral surface area is: 42+35+35 = 112 square feet

The front and back base faces of the prism have area of 6*4/2 = 24/2 = 12 sq ft
The total base area is 2*12 = 24 sq ft

Overall, the total surface area of this entire prism is 24+112 = 136 sq ft
which is the minimum amount of material needed

Answer: 136 square feet

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Answer:

five , seven

Step-by-step explanation:

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3 years ago

Find the approximate perimeter of ABC plotted below.

maksim [4K]

Answer:

B. 21.2

Step-by-step explanation:

Perimeter of ∆ABC = AB + BC + AC

A(-4, 1)

B(-2, 3)

C(3, -4)

✔️Distance between A(-4, 1) and B(-2, 3):

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AB = \sqrt{(-2 - (-4))^2 + (3 - 1)^2} = \sqrt{(2)^2 + (2)^2)}$

$AB = \sqrt{4 + 4}$

$AB = \sqrt{16}$

AB = 4 units

✔️Distance between B(-2, 3) and C(3, -4):

$BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$BC = \sqrt{(3 - (-2))^2 + (-4 - 3)^2} = \sqrt{(5)^2 + (-7)^2)}$

$BC = \sqrt{25 + 49}$

$BC = \sqrt{74}$

BC = 8.6 units (nearest tenth)

✔️Distance between A(-4, 1) and C(3, -4):

$AC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AC = \sqrt{(3 - (-4))^2 + (-4 - 1)^2} = \sqrt{(7)^2 + (-5)^2)}$

$AC = \sqrt{47 + 25}$

$AC = \sqrt{74}$

AC = 8.6 units (nearest tenth)

Perimeter of ∆ABC = 4 + 8.6 + 8.6 = 21.2 units

8 0

3 years ago

Please solve the equation _4(4n+2)=4

MrRissso [65]

16n+8=4
16n=4-8
16n=-4
n=-4/16
n=-1/4.

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3 years ago

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prisoha [69]

First we need to find the total amount of servings needed.

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Now we can find the amount of pans needed

24 servings/8 servings (1 pan)
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She needs at least 3 pans

5 0

3 years ago

Factor the expression: -3r - 15

iren2701 [21]

Answer:

-3(r+5)

Step-by-step explanation:

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