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Harrizon [31]
3 years ago
9

A woman has a ladder that is 13 feet long. If she sets the

Mathematics
1 answer:
liq [111]3 years ago
8 0

Answer:

8 is the answer

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A small aircraft flies a 2160-mi round trip in a 45 mi/h wind. Find the average rate of speed for the trip if the aircraft can f
jok3333 [9.3K]

9514 1404 393

Answer:

  216 mi/h

Step-by-step explanation:

The time for the trip with the wind is ...

  (1080 mi)/(225 +45 mi/h) = 4 h

The time for the trip against the wind is ...

  (1080 mi)/(225 -45 mi/h) = 6 h

The average speed for the entire round trip is ...

  (2160 mi)/(4 +6 h) = 216 mi/h

8 0
3 years ago
Order the values least to greatest
Paul [167]

Answer:

9.013, 9.13, 9.1342, 9.2

8 0
3 years ago
Which equation has a solution of 26?
lys-0071 [83]

Answer:

x=−  2/3     =−0.667

x=4

Step-by-step explanation:

3 0
3 years ago
Help Me PLEASESESESESES!
navik [9.2K]

Answer:

5375 should be it

Step-by-step explanation:

4 0
3 years ago
Pls help
KATRIN_1 [288]

Answer:

169.04 in² (nearest hundredth)

Step-by-step explanation:

Surface area of a cone = \pir² + \pirl

(where r = radius of the base and l = slant height)

Given slant height l = 10 and surface area = 188.5

Surface area  = \pir² + \pirl

188.5 = \pir² + 10\pir

\pir² + 10\pir - 188.5 = 0

r = \frac{-10\pi +\sqrt{(10\pi )^2-(4\times\pi \times-188.5)} }{2\pi } = 4.219621117...

Volume of a cone = (1/3)\pir²h

(where r = radius of the base and h = height)

We need to find an expression for h in terms of l using Pythagoras' Theorem a² + b² = c², where a = radius, b = height and c = slant height

r² + h² = l²

h² = l² - r²

h = √(l² - r²)

Therefore, substituting found expression for h:

volume of a cone = (1/3)\pir²√(l² - r²)

Given slant height l = 10 and r = 4.219621117...

volume = 169.0431969... = 169.04 in² (nearest hundredth)

5 0
2 years ago
Read 2 more answers
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