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GrogVix [38]
2 years ago
9

3 over 14 equals x over 42

Mathematics
1 answer:
Eva8 [605]2 years ago
4 0

Answer:

9

Step-by-step explanation:

   3

3    x

   =

14   42

   3

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5. A yacht is cruising at 20 knots at bearing of 185° when a 15 knot wind starts to blow at a bearing of 290°. Find the directio
kicyunya [14]

Answer:

<em>Direction of the boat is 43.05° and the speed is 21.66 knot</em>

<em></em>

Step-by-step explanation:

yacht speed = 20 knots

yacht bearing = 185° = 85°  below the negative horizontal x-axis

wind speed = 15 knots

wind bearing = 290° = 20° above the negative horizontal x-axis

we find the x and y components of the boat velocities

for yacht,

x component = -20 cos 85° = -1.74 knots

y component = -20 sin 85° = -19.92 knots

for the wind,

x component = -15 cos 20° = -14.09 knots

y component = 15 sin 20° = 5.13 knots

total x component  Vx = -1.74 + (-14.09) = -15.83 knots

total y component Vy =  -19.92 + 5.13 = -14.79 knots

Resultant speed of the boat = \sqrt{Vx^{2} + Vy^{2}  }

==> \sqrt{15.83^{2} + 14.79^{2}  } = <em>21.66 knot</em>

<em></em>

direction of boat = tan^{-1} \frac{Vy}{Vx}

==> tan^{-1} \frac{14.79}{15.83} = <em>43.05°</em>

3 0
3 years ago
Click to select the figure in the image that would portray the rotation of the given pre image and the rotation arrow. The first
sashaice [31]

Answer:

its a

Step-by-step explanation:

7 0
3 years ago
Please help i will give brainliest
RideAnS [48]
The answer would be C because it’s the only fraction that does not equal 0.4
8 0
3 years ago
Find the slope given the two points. (2, -6) and (2, 3)
kifflom [539]

Answer: Undefined

The x coordinates are the same, so a vertical line forms. All vertical lines have undefined slopes.

We can see it through the slope formula

m = (y2-y1)/(x2-x1)

m = (3-(-6))/(2-2)

m = (3+6)/(2-2)

m = 9/0

We cannot divide by zero, so the result is undefined.

5 0
2 years ago
Read 2 more answers
Why is the answer to 12x12 the same as 6x24?
allochka39001 [22]
Both sets of numbers have the same factors:

12 × 12:

= (2× 2× 3) × (2 × 2 × 3)

= 2^4 × 3^2

6 × 24

= (2 × 3) × (2 ×2 × 2 × 3)

= 2^4 × 3^2


4 0
2 years ago
Read 2 more answers
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