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Ad libitum [116K]
2 years ago
14

A model ship is built to a scale of 1 centimetre : 5 meters. The length of the model is 30 centimetres. What is the actual lengt

h of the ship?
Mathematics
2 answers:
VladimirAG [237]2 years ago
8 0

Answer:

150 meters

Step-by-step explanation:

So 1 centimetre is 5 meters, meaning 2 centimetres would be 10 meters.

30 × 1 = 30

30 × 5 = 150

Have a good day :)

mars1129 [50]2 years ago
6 0
Length of model ship is 30 centimeters, Actual length of ship is 30×5=150 meters.
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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.

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3 years ago
Ron has 20 apples he used two fifthsof the apple to make pies.how many apples did Ron us for pies?
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50 apples. Ron used 50 apples
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Help plz I have a terrible teacher and we don't learn anything
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C*h=area/2
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3 0
3 years ago
Can anyone help? It’s not 14, I’ll give Brainly + 15 pts
Julli [10]

Short side length = x

Medium side = x + 7

Long side = 5x

Total 49, so

x + x + 7 + 5x = 49

If you combine like terms:

7x + 7 = 49

Subtract 7 from both sides

7x = 42

Divide both sides by 7

x = 6 inches.

8 0
3 years ago
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