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Ray Of Light [21]
3 years ago
5

On a drawing of a model airplane, the scale used is 1 in.:3 ft. How many feet would 4.5 inches represent?

Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0

Answer:

A. 13.5ft

Step-by-step explanation:

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A triangle has side lengths of 14, 23, and 27. Is it a right angle ?
shusha [124]

Answer:

No, it is not

Step-by-step explanation:

Here, we want to check if the lenghts given is that of a right angle triangle

For a right angle triangle, the square of the hypotenuse is equal to the sum of the squares of the two other sides

The hypotenuse represents the longest side

So 27^2 = 14^2 + 23^2

The difference between these is 4, and as such the triangle is not a right angled

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Surface area of a equilateral by hand
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surface area of a equilateral by hand a 140.4 cm and 9cm

4 0
3 years ago
H + 9.7 = -9.7 what is this answer
Zolol [24]
Hello!

h = -9.7 - 9.7

h = -19.4
Enjoy.
8 0
3 years ago
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It’s not C and I suck at math can someone plz help me on this plz and thx
Fittoniya [83]

Answer:

a

Step-by-step explanation:

The volume (V) of a cone is calculated as

V = πr²h ( r is the base radius and h the perpendicular height )

To calculate the height h use the right triangle formed by the radius and the inclined side.

Given diameter = 22, then r = 22 ÷ 2 = 11 cm

Using Pythagoras' identity on the right triangle, then

h² + 11² = 61² , that is

h² + 121 = 3721 ( subtract 121 from both sides )

h² = 3600 ( take the square root of both sides )

h = \sqrt{3600} = 60

Thus

V = π × 11² × 60

   = 3.14 × 121 × 60 ≈ 22796.4 cm³ → a

7 0
3 years ago
The 2nd one is right just did the test
Vikki [24]

Answer:

ok lol

Step-by-step explanation:

4 0
3 years ago
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