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Vedmedyk [2.9K]
3 years ago
12

3. One morning, the elevator in Emilio's apartment building was out of order. When he walked down the stairs from

Mathematics
1 answer:
Ksju [112]3 years ago
8 0

Answer:

Number of steps per floor= 18 steps

Step-by-step explanation:

he counted 252 steps. Emilio lives on the 14th floor.

The number of steps between the ground floor and the fourteenth floor.

Let's bear in mind that there 14 floors .

Number of steps per floor= total steps/floor

Number of steps per floor= 252/14

Number of steps per floor= 18 steps

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A ship at position (1, 0) on a nautical chart (with north in the positive y direction) sights a rock at position (7, 5). What an
Romashka-Z-Leto [24]

Answer:

0.69473828 radians east of north.

Step-by-step explanation:

Interpreting the information given on a Cartesian plane, the position of the ship will be (1,0) and that of the rock will be (7,5). Connecting the point (1,0) and (7,5) with a line and dropping a perpendicular line from point (7,5) to the x-axis to intersect the x-axis at (7,0), will form a right-triangle with base length 6 units and a height of 5 units.

<u>Finding the base length from points (1,0) and (7,0)</u>

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(7-1)²

d= √6²

d=6 units

<u>Finding the height from points (7,5) and (7,0)</u>

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(7-7)² + (0-5)²

d=√-5²

d=√25

d=5 units

So you now have a right triangle with base length 6 units and height 5 units.

To get the bearing of rock from ship position you apply the formula for tangent of an angle

Tan Ф = length of opposite side/length of adjustment side

TanФ=5/6

Tan Ф =0.83333333333

Tan⁻¹ (0.83333333333) =0.69473828 radians east of north.

3 0
3 years ago
Pls help im stuckkk ahhh
tangare [24]
B ^ 2, as its a tenth
6 0
3 years ago
Read 2 more answers
What is the value of exppresion if m=3 and n=2 (2m)3 +3(6-n)n?
shtirl [24]

Answer:

102

Step-by-step explanation:

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Answer:

y=5x and y=40 when x=8

4 0
2 years ago
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Help me and fast please
iogann1982 [59]

Answer: the answer is C

Step-by-step explanation: we know this because a straight line is 180 degrees.  So given 140 degrees we know that g= 40.

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3 years ago
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