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3 years ago

Please answer the question on the screenshot.

Mathematics

2 answers:

sergejj [24]3 years ago

4 0

Answer:

Step-by-step explanation:

valentinak56 [21]3 years ago

3 0

Answer:

less than, less than, greater than (from top to bottom)

Step-by-step explanation:

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What is the area of a circle whose radius is 4 ft?

ExtremeBDS [4]

Answer:

16π ft²

Step-by-step explanation:

The formula is [ A = πr² ]

A = π(4)²

A = 16π

Best of Luck!

6 0

3 years ago

The answer pls read it's about triangles and geometry!!!

klemol [59]

The answer should be c

7 0

3 years ago

A safety regulation states that the maximum angle of elevation for a rescue ladder is 72°. A fire department's longest ladder is

Julli [10]

Answer:

The maximum safe rescue height is 104.6 feet above the height of the ground.

Step-by-step explanation:

Consider a triangle ABC where C is the point where the rescue ladder is standing and AB be the building and Ladder making an angle of 72° as shown.

We have to find the height of the building.

Let x be the height of building

Using Trigonometric ratio,

$\sin C=\frac{\text{Perpendicular}}{\text{Hypotenuse}}$

$\sin 72^{\circ}=\frac{AB}{BC}$

$\sin 72^{\circ}=\frac{x}{110}$

$x=110 \times \sin 72^{\circ}$

$x=104.6$

So, the maximum safe rescue height is 104.6 feet above the height of

the ground.

5 0

3 years ago

Read 2 more answers

Simplify 3^2 * 3^(-5). Express your answer as a fraction

murzikaleks [220]

Answer:

1 /27

1 over 27

Step-by-step explanation:

brainliest please?

3 0

2 years ago

If you run 4 1/2 miles in three quarter of an hour, how many miles would you run in two thirds

olga_2 [115]

Answer:4

Step-by-step explanation: each quarter of an hour is 1.5 miles they both can go into 12 so if you multiply 2*4 and 3*4 you get 8/12 and if you multiply 3*3 and 4*3 you get 9/12 then you subtract 9/12 by 8/12 to get so 1/12=1/2 miles so you would subtract 4 1/2 by 1/2 to get 4

7 0

2 years ago