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masha68 [24]
3 years ago
14

Which of the following probabilities is equal to approximately 0.2957? Use the portion of the standard normal table below to

Mathematics
2 answers:
devlian [24]3 years ago
6 0

Answer: It is C on edginuity.

Step-by-step explanation:

got it right

tankabanditka [31]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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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
What is the range of the function f(x)=2x+4f⁢(x)=2x+4 when the domain is {-2, 0, 3}?
salantis [7]
D. All real numbers is the answers
4 0
3 years ago
Simplify the expression by combing all like terms x +2 + x + 2 + x
sergeinik [125]

Answer:

4 + 3x

Step-by-step explanation:

2 + 2 = 4

Add the three x's together and you get 3x!

Hope this helps! ^^

5 0
3 years ago
Read 2 more answers
Geometry question for my practice assignment
Tcecarenko [31]
5/3

Csc is equal to 1/sin

Sin= opposite/hypotenuse

So just take the inverse of what sine would be

Sin= 3/5

So Csc=5/3 :)
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3 years ago
7. Sarah draws a card from a standard deck, throws the card away, and then draws another card.
VashaNatasha [74]

Answer:

dependent

Step-by-step explanation:

7 0
3 years ago
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